// Copyright 2015 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "components/exo/wayland/server.h" #include #include #include #include #include #include #include // Note: core wayland headers need to be included before protocol headers. #include // NOLINT #include // NOLINT #include // NOLINT #include // NOLINT #include // NOLINT #include // NOLINT #include // NOLINT #include // NOLINT #include #include #include #include #include #include "ash/common/shell_observer.h" #include "ash/public/cpp/shell_window_ids.h" #include "ash/shell.h" #include "base/bind.h" #include "base/cancelable_callback.h" #include "base/files/file_path.h" #include "base/macros.h" #include "base/memory/free_deleter.h" #include "base/memory/ptr_util.h" #include "base/memory/weak_ptr.h" #include "base/strings/stringprintf.h" #include "base/strings/utf_string_conversions.h" #include "base/threading/thread.h" #include "base/threading/thread_task_runner_handle.h" #include "components/exo/buffer.h" #include "components/exo/display.h" #include "components/exo/gamepad.h" #include "components/exo/gamepad_delegate.h" #include "components/exo/keyboard.h" #include "components/exo/keyboard_delegate.h" #include "components/exo/notification_surface.h" #include "components/exo/notification_surface_manager.h" #include "components/exo/pointer.h" #include "components/exo/pointer_delegate.h" #include "components/exo/shared_memory.h" #include "components/exo/shell_surface.h" #include "components/exo/sub_surface.h" #include "components/exo/surface.h" #include "components/exo/surface_property.h" #include "components/exo/touch.h" #include "components/exo/touch_delegate.h" #include "components/exo/touch_stylus_delegate.h" #include "components/exo/wm_helper.h" #include "ipc/unix_domain_socket_util.h" #include "third_party/skia/include/core/SkRegion.h" #include "ui/aura/window_property.h" #include "ui/base/hit_test.h" #include "ui/compositor/compositor_vsync_manager.h" #include "ui/display/display_observer.h" #include "ui/display/manager/managed_display_info.h" #include "ui/display/screen.h" #include "ui/events/keycodes/dom/keycode_converter.h" #include "ui/gfx/buffer_format_util.h" #include "ui/gfx/buffer_types.h" #include "ui/views/widget/widget.h" #include "ui/views/widget/widget_observer.h" #if defined(USE_OZONE) #include #include #include #endif #if defined(USE_XKBCOMMON) #include #include "ui/events/keycodes/scoped_xkb.h" // nogncheck #endif DECLARE_SURFACE_PROPERTY_TYPE(wl_resource*); DECLARE_SURFACE_PROPERTY_TYPE(bool); namespace exo { namespace wayland { namespace { // We don't send configure immediately after tablet mode switch // because layout can change due to orientation lock state or accelerometer. const int kConfigureDelayAfterLayoutSwitchMs = 300; // Default wayland socket name. const base::FilePath::CharType kSocketName[] = FILE_PATH_LITERAL("wayland-0"); // Group used for wayland socket. const char kWaylandSocketGroup[] = "wayland"; template T* GetUserDataAs(wl_resource* resource) { return static_cast(wl_resource_get_user_data(resource)); } template std::unique_ptr TakeUserDataAs(wl_resource* resource) { std::unique_ptr user_data = base::WrapUnique(GetUserDataAs(resource)); wl_resource_set_user_data(resource, nullptr); return user_data; } template void DestroyUserData(wl_resource* resource) { TakeUserDataAs(resource); } template void SetImplementation(wl_resource* resource, const void* implementation, std::unique_ptr user_data) { wl_resource_set_implementation(resource, implementation, user_data.release(), DestroyUserData); } // Convert a timestamp to a time value that can be used when interfacing // with wayland. Note that we cast a int64_t value to uint32_t which can // potentially overflow. uint32_t TimeTicksToMilliseconds(base::TimeTicks ticks) { return (ticks - base::TimeTicks()).InMilliseconds(); } uint32_t NowInMilliseconds() { return TimeTicksToMilliseconds(base::TimeTicks::Now()); } // A property key containing the surface resource that is associated with // window. If unset, no surface resource is associated with window. DEFINE_SURFACE_PROPERTY_KEY(wl_resource*, kSurfaceResourceKey, nullptr); // A property key containing a boolean set to true if a viewport is associated // with window. DEFINE_SURFACE_PROPERTY_KEY(bool, kSurfaceHasViewportKey, false); // A property key containing a boolean set to true if a security object is // associated with window. DEFINE_SURFACE_PROPERTY_KEY(bool, kSurfaceHasSecurityKey, false); // A property key containing a boolean set to true if a blending object is // associated with window. DEFINE_SURFACE_PROPERTY_KEY(bool, kSurfaceHasBlendingKey, false); wl_resource* GetSurfaceResource(Surface* surface) { return surface->GetProperty(kSurfaceResourceKey); } //////////////////////////////////////////////////////////////////////////////// // wl_buffer_interface: void buffer_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct wl_buffer_interface buffer_implementation = {buffer_destroy}; void HandleBufferReleaseCallback(wl_resource* resource) { wl_buffer_send_release(resource); wl_client_flush(wl_resource_get_client(resource)); } //////////////////////////////////////////////////////////////////////////////// // wl_surface_interface: void surface_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void surface_attach(wl_client* client, wl_resource* resource, wl_resource* buffer, int32_t x, int32_t y) { // TODO(reveman): Implement buffer offset support. DLOG_IF(WARNING, x || y) << "Unsupported buffer offset: " << gfx::Point(x, y).ToString(); GetUserDataAs(resource) ->Attach(buffer ? GetUserDataAs(buffer) : nullptr); } void surface_damage(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource)->Damage(gfx::Rect(x, y, width, height)); } void HandleSurfaceFrameCallback(wl_resource* resource, base::TimeTicks frame_time) { if (!frame_time.is_null()) { wl_callback_send_done(resource, TimeTicksToMilliseconds(frame_time)); // TODO(reveman): Remove this potentially blocking flush and instead watch // the file descriptor to be ready for write without blocking. wl_client_flush(wl_resource_get_client(resource)); } wl_resource_destroy(resource); } void surface_frame(wl_client* client, wl_resource* resource, uint32_t callback) { wl_resource* callback_resource = wl_resource_create(client, &wl_callback_interface, 1, callback); // base::Unretained is safe as the resource owns the callback. std::unique_ptr> cancelable_callback( new base::CancelableCallback(base::Bind( &HandleSurfaceFrameCallback, base::Unretained(callback_resource)))); GetUserDataAs(resource) ->RequestFrameCallback(cancelable_callback->callback()); SetImplementation(callback_resource, nullptr, std::move(cancelable_callback)); } void surface_set_opaque_region(wl_client* client, wl_resource* resource, wl_resource* region_resource) { GetUserDataAs(resource)->SetOpaqueRegion( region_resource ? *GetUserDataAs(region_resource) : SkRegion(SkIRect::MakeEmpty())); } void surface_set_input_region(wl_client* client, wl_resource* resource, wl_resource* region_resource) { GetUserDataAs(resource)->SetInputRegion( region_resource ? *GetUserDataAs(region_resource) : SkRegion(SkIRect::MakeLargest())); } void surface_commit(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Commit(); } void surface_set_buffer_transform(wl_client* client, wl_resource* resource, int transform) { NOTIMPLEMENTED(); } void surface_set_buffer_scale(wl_client* client, wl_resource* resource, int32_t scale) { if (scale < 1) { wl_resource_post_error(resource, WL_SURFACE_ERROR_INVALID_SCALE, "buffer scale must be at least one " "('%d' specified)", scale); return; } GetUserDataAs(resource)->SetBufferScale(scale); } const struct wl_surface_interface surface_implementation = { surface_destroy, surface_attach, surface_damage, surface_frame, surface_set_opaque_region, surface_set_input_region, surface_commit, surface_set_buffer_transform, surface_set_buffer_scale}; //////////////////////////////////////////////////////////////////////////////// // wl_region_interface: void region_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void region_add(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource) ->op(SkIRect::MakeXYWH(x, y, width, height), SkRegion::kUnion_Op); } static void region_subtract(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource) ->op(SkIRect::MakeXYWH(x, y, width, height), SkRegion::kDifference_Op); } const struct wl_region_interface region_implementation = { region_destroy, region_add, region_subtract}; //////////////////////////////////////////////////////////////////////////////// // wl_compositor_interface: void compositor_create_surface(wl_client* client, wl_resource* resource, uint32_t id) { std::unique_ptr surface = GetUserDataAs(resource)->CreateSurface(); wl_resource* surface_resource = wl_resource_create( client, &wl_surface_interface, wl_resource_get_version(resource), id); // Set the surface resource property for type-checking downcast support. surface->SetProperty(kSurfaceResourceKey, surface_resource); SetImplementation(surface_resource, &surface_implementation, std::move(surface)); } void compositor_create_region(wl_client* client, wl_resource* resource, uint32_t id) { wl_resource* region_resource = wl_resource_create(client, &wl_region_interface, 1, id); SetImplementation(region_resource, ®ion_implementation, base::WrapUnique(new SkRegion)); } const struct wl_compositor_interface compositor_implementation = { compositor_create_surface, compositor_create_region}; const uint32_t compositor_version = 3; void bind_compositor(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wl_compositor_interface, std::min(version, compositor_version), id); wl_resource_set_implementation(resource, &compositor_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // wl_shm_pool_interface: const struct shm_supported_format { uint32_t shm_format; gfx::BufferFormat buffer_format; } shm_supported_formats[] = { {WL_SHM_FORMAT_XBGR8888, gfx::BufferFormat::RGBX_8888}, {WL_SHM_FORMAT_ABGR8888, gfx::BufferFormat::RGBA_8888}, {WL_SHM_FORMAT_XRGB8888, gfx::BufferFormat::BGRX_8888}, {WL_SHM_FORMAT_ARGB8888, gfx::BufferFormat::BGRA_8888}}; void shm_pool_create_buffer(wl_client* client, wl_resource* resource, uint32_t id, int32_t offset, int32_t width, int32_t height, int32_t stride, uint32_t format) { const auto* supported_format = std::find_if(shm_supported_formats, shm_supported_formats + arraysize(shm_supported_formats), [format](const shm_supported_format& supported_format) { return supported_format.shm_format == format; }); if (supported_format == (shm_supported_formats + arraysize(shm_supported_formats))) { wl_resource_post_error(resource, WL_SHM_ERROR_INVALID_FORMAT, "invalid format 0x%x", format); return; } if (offset < 0) { wl_resource_post_error(resource, WL_SHM_ERROR_INVALID_FORMAT, "invalid offset %d", offset); return; } std::unique_ptr buffer = GetUserDataAs(resource)->CreateBuffer( gfx::Size(width, height), supported_format->buffer_format, offset, stride); if (!buffer) { wl_resource_post_no_memory(resource); return; } wl_resource* buffer_resource = wl_resource_create(client, &wl_buffer_interface, 1, id); buffer->set_release_callback(base::Bind(&HandleBufferReleaseCallback, base::Unretained(buffer_resource))); SetImplementation(buffer_resource, &buffer_implementation, std::move(buffer)); } void shm_pool_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void shm_pool_resize(wl_client* client, wl_resource* resource, int32_t size) { // Nothing to do here. } const struct wl_shm_pool_interface shm_pool_implementation = { shm_pool_create_buffer, shm_pool_destroy, shm_pool_resize}; //////////////////////////////////////////////////////////////////////////////// // wl_shm_interface: void shm_create_pool(wl_client* client, wl_resource* resource, uint32_t id, int fd, int32_t size) { std::unique_ptr shared_memory = GetUserDataAs(resource)->CreateSharedMemory( base::FileDescriptor(fd, true), size); if (!shared_memory) { wl_resource_post_no_memory(resource); return; } wl_resource* shm_pool_resource = wl_resource_create(client, &wl_shm_pool_interface, 1, id); SetImplementation(shm_pool_resource, &shm_pool_implementation, std::move(shared_memory)); } const struct wl_shm_interface shm_implementation = {shm_create_pool}; void bind_shm(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wl_shm_interface, 1, id); wl_resource_set_implementation(resource, &shm_implementation, data, nullptr); for (const auto& supported_format : shm_supported_formats) wl_shm_send_format(resource, supported_format.shm_format); } #if defined(USE_OZONE) //////////////////////////////////////////////////////////////////////////////// // wl_drm_interface: const struct drm_supported_format { uint32_t drm_format; gfx::BufferFormat buffer_format; } drm_supported_formats[] = { {WL_DRM_FORMAT_RGB565, gfx::BufferFormat::BGR_565}, {WL_DRM_FORMAT_XBGR8888, gfx::BufferFormat::RGBX_8888}, {WL_DRM_FORMAT_ABGR8888, gfx::BufferFormat::RGBA_8888}, {WL_DRM_FORMAT_XRGB8888, gfx::BufferFormat::BGRX_8888}, {WL_DRM_FORMAT_ARGB8888, gfx::BufferFormat::BGRA_8888}, {WL_DRM_FORMAT_NV12, gfx::BufferFormat::YUV_420_BIPLANAR}, {WL_DRM_FORMAT_YVU420, gfx::BufferFormat::YVU_420}}; void drm_authenticate(wl_client* client, wl_resource* resource, uint32_t id) { wl_drm_send_authenticated(resource); } void drm_create_buffer(wl_client* client, wl_resource* resource, uint32_t id, uint32_t name, int32_t width, int32_t height, uint32_t stride, uint32_t format) { wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_NAME, "GEM names are not supported"); } void drm_create_planar_buffer(wl_client* client, wl_resource* resource, uint32_t id, uint32_t name, int32_t width, int32_t height, uint32_t format, int32_t offset0, int32_t stride0, int32_t offset1, int32_t stride1, int32_t offset2, int32_t stride3) { wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_NAME, "GEM names are not supported"); } void drm_create_prime_buffer(wl_client* client, wl_resource* resource, uint32_t id, int32_t name, int32_t width, int32_t height, uint32_t format, int32_t offset0, int32_t stride0, int32_t offset1, int32_t stride1, int32_t offset2, int32_t stride2) { const auto* supported_format = std::find_if(drm_supported_formats, drm_supported_formats + arraysize(drm_supported_formats), [format](const drm_supported_format& supported_format) { return supported_format.drm_format == format; }); if (supported_format == (drm_supported_formats + arraysize(drm_supported_formats))) { wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_FORMAT, "invalid format 0x%x", format); return; } std::vector planes; planes.emplace_back(stride0, offset0, 0, 0); planes.emplace_back(stride1, offset1, 0, 0); planes.emplace_back(stride2, offset2, 0, 0); std::vector fds; size_t num_planes = gfx::NumberOfPlanesForBufferFormat(supported_format->buffer_format); planes.resize(num_planes); fds.push_back(base::ScopedFD(name)); std::unique_ptr buffer = GetUserDataAs(resource)->CreateLinuxDMABufBuffer( gfx::Size(width, height), supported_format->buffer_format, planes, std::move(fds)); if (!buffer) { wl_resource_post_no_memory(resource); return; } wl_resource* buffer_resource = wl_resource_create(client, &wl_buffer_interface, 1, id); buffer->set_release_callback(base::Bind(&HandleBufferReleaseCallback, base::Unretained(buffer_resource))); SetImplementation(buffer_resource, &buffer_implementation, std::move(buffer)); } const struct wl_drm_interface drm_implementation = { drm_authenticate, drm_create_buffer, drm_create_planar_buffer, drm_create_prime_buffer}; const uint32_t drm_version = 2; void bind_drm(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create( client, &wl_drm_interface, std::min(version, drm_version), id); wl_resource_set_implementation(resource, &drm_implementation, data, nullptr); if (version >= 2) wl_drm_send_capabilities(resource, WL_DRM_CAPABILITY_PRIME); for (const auto& supported_format : drm_supported_formats) wl_drm_send_format(resource, supported_format.drm_format); } //////////////////////////////////////////////////////////////////////////////// // linux_buffer_params_interface: const struct dmabuf_supported_format { uint32_t dmabuf_format; gfx::BufferFormat buffer_format; } dmabuf_supported_formats[] = { {DRM_FORMAT_RGB565, gfx::BufferFormat::BGR_565}, {DRM_FORMAT_XBGR8888, gfx::BufferFormat::RGBX_8888}, {DRM_FORMAT_ABGR8888, gfx::BufferFormat::RGBA_8888}, {DRM_FORMAT_XRGB8888, gfx::BufferFormat::BGRX_8888}, {DRM_FORMAT_ARGB8888, gfx::BufferFormat::BGRA_8888}, {DRM_FORMAT_YVU420, gfx::BufferFormat::YVU_420}}; struct LinuxBufferParams { struct Plane { base::ScopedFD fd; uint32_t stride; uint32_t offset; }; explicit LinuxBufferParams(Display* display) : display(display) {} Display* const display; std::map planes; }; void linux_buffer_params_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void linux_buffer_params_add(wl_client* client, wl_resource* resource, int32_t fd, uint32_t plane_idx, uint32_t offset, uint32_t stride, uint32_t modifier_hi, uint32_t modifier_lo) { LinuxBufferParams* linux_buffer_params = GetUserDataAs(resource); LinuxBufferParams::Plane plane{base::ScopedFD(fd), stride, offset}; const auto& inserted = linux_buffer_params->planes.insert( std::pair(plane_idx, std::move(plane))); if (!inserted.second) { // The plane was already there. wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_PLANE_SET, "plane already set"); return; } } void linux_buffer_params_create(wl_client* client, wl_resource* resource, int32_t width, int32_t height, uint32_t format, uint32_t flags) { if (width <= 0 || height <= 0) { wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_DIMENSIONS, "invalid width or height"); return; } const auto* supported_format = std::find_if( std::begin(dmabuf_supported_formats), std::end(dmabuf_supported_formats), [format](const dmabuf_supported_format& supported_format) { return supported_format.dmabuf_format == format; }); if (supported_format == std::end(dmabuf_supported_formats)) { wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_FORMAT, "format not supported"); return; } if (flags & (ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT | ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_INTERLACED)) { wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE, "flags not supported"); return; } LinuxBufferParams* linux_buffer_params = GetUserDataAs(resource); size_t num_planes = gfx::NumberOfPlanesForBufferFormat(supported_format->buffer_format); if (linux_buffer_params->planes.size() != num_planes) { wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_PLANE_IDX, "plane idx out of bounds"); return; } std::vector planes; std::vector fds; for (uint32_t i = 0; i < num_planes; ++i) { auto plane_it = linux_buffer_params->planes.find(i); if (plane_it == linux_buffer_params->planes.end()) { wl_resource_post_error(resource, ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE, "missing a plane"); return; } LinuxBufferParams::Plane& plane = plane_it->second; planes.emplace_back(plane.stride, plane.offset, 0, 0); if (plane.fd.is_valid()) fds.push_back(std::move(plane.fd)); } std::unique_ptr buffer = linux_buffer_params->display->CreateLinuxDMABufBuffer( gfx::Size(width, height), supported_format->buffer_format, planes, std::move(fds)); if (!buffer) { zwp_linux_buffer_params_v1_send_failed(resource); return; } wl_resource* buffer_resource = wl_resource_create(client, &wl_buffer_interface, 1, 0); buffer->set_release_callback(base::Bind(&HandleBufferReleaseCallback, base::Unretained(buffer_resource))); SetImplementation(buffer_resource, &buffer_implementation, std::move(buffer)); zwp_linux_buffer_params_v1_send_created(resource, buffer_resource); } const struct zwp_linux_buffer_params_v1_interface linux_buffer_params_implementation = {linux_buffer_params_destroy, linux_buffer_params_add, linux_buffer_params_create}; //////////////////////////////////////////////////////////////////////////////// // linux_dmabuf_interface: void linux_dmabuf_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void linux_dmabuf_create_params(wl_client* client, wl_resource* resource, uint32_t id) { std::unique_ptr linux_buffer_params = base::MakeUnique(GetUserDataAs(resource)); wl_resource* linux_buffer_params_resource = wl_resource_create(client, &zwp_linux_buffer_params_v1_interface, 1, id); SetImplementation(linux_buffer_params_resource, &linux_buffer_params_implementation, std::move(linux_buffer_params)); } const struct zwp_linux_dmabuf_v1_interface linux_dmabuf_implementation = { linux_dmabuf_destroy, linux_dmabuf_create_params}; void bind_linux_dmabuf(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zwp_linux_dmabuf_v1_interface, 1, id); wl_resource_set_implementation(resource, &linux_dmabuf_implementation, data, nullptr); for (const auto& supported_format : dmabuf_supported_formats) zwp_linux_dmabuf_v1_send_format(resource, supported_format.dmabuf_format); } #endif //////////////////////////////////////////////////////////////////////////////// // wl_subsurface_interface: void subsurface_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void subsurface_set_position(wl_client* client, wl_resource* resource, int32_t x, int32_t y) { GetUserDataAs(resource)->SetPosition(gfx::Point(x, y)); } void subsurface_place_above(wl_client* client, wl_resource* resource, wl_resource* reference_resource) { GetUserDataAs(resource) ->PlaceAbove(GetUserDataAs(reference_resource)); } void subsurface_place_below(wl_client* client, wl_resource* resource, wl_resource* sibling_resource) { GetUserDataAs(resource) ->PlaceBelow(GetUserDataAs(sibling_resource)); } void subsurface_set_sync(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetCommitBehavior(true); } void subsurface_set_desync(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetCommitBehavior(false); } const struct wl_subsurface_interface subsurface_implementation = { subsurface_destroy, subsurface_set_position, subsurface_place_above, subsurface_place_below, subsurface_set_sync, subsurface_set_desync}; //////////////////////////////////////////////////////////////////////////////// // wl_subcompositor_interface: void subcompositor_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void subcompositor_get_subsurface(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface, wl_resource* parent) { std::unique_ptr subsurface = GetUserDataAs(resource)->CreateSubSurface( GetUserDataAs(surface), GetUserDataAs(parent)); if (!subsurface) { wl_resource_post_error(resource, WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE, "invalid surface"); return; } wl_resource* subsurface_resource = wl_resource_create(client, &wl_subsurface_interface, 1, id); SetImplementation(subsurface_resource, &subsurface_implementation, std::move(subsurface)); } const struct wl_subcompositor_interface subcompositor_implementation = { subcompositor_destroy, subcompositor_get_subsurface}; void bind_subcompositor(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wl_subcompositor_interface, 1, id); wl_resource_set_implementation(resource, &subcompositor_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // wl_shell_surface_interface: class ShellSurfaceSizeObserver : public views::WidgetObserver { public: ShellSurfaceSizeObserver(wl_resource* shell_surface_resource, const gfx::Size& initial_size) : shell_surface_resource_(shell_surface_resource), old_size_(initial_size) { wl_shell_surface_send_configure(shell_surface_resource, WL_SHELL_SURFACE_RESIZE_NONE, old_size_.width(), old_size_.height()); } // Overridden from view::WidgetObserver: void OnWidgetDestroyed(views::Widget* widget) override { delete this; } void OnWidgetBoundsChanged(views::Widget* widget, const gfx::Rect& new_bounds) override { if (old_size_ == new_bounds.size()) return; wl_shell_surface_send_configure(shell_surface_resource_, WL_SHELL_SURFACE_RESIZE_NONE, new_bounds.width(), new_bounds.height()); old_size_ = new_bounds.size(); } private: wl_resource* shell_surface_resource_; gfx::Size old_size_; DISALLOW_COPY_AND_ASSIGN(ShellSurfaceSizeObserver); }; void shell_surface_pong(wl_client* client, wl_resource* resource, uint32_t serial) { NOTIMPLEMENTED(); } void shell_surface_move(wl_client* client, wl_resource* resource, wl_resource* seat_resource, uint32_t serial) { GetUserDataAs(resource)->Move(); } void shell_surface_resize(wl_client* client, wl_resource* resource, wl_resource* seat_resource, uint32_t serial, uint32_t edges) { NOTIMPLEMENTED(); } void shell_surface_set_toplevel(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetEnabled(true); } void shell_surface_set_transient(wl_client* client, wl_resource* resource, wl_resource* parent_resource, int x, int y, uint32_t flags) { NOTIMPLEMENTED(); } void shell_surface_set_fullscreen(wl_client* client, wl_resource* resource, uint32_t method, uint32_t framerate, wl_resource* output_resource) { ShellSurface* shell_surface = GetUserDataAs(resource); if (shell_surface->enabled()) return; shell_surface->SetEnabled(true); shell_surface->SetFullscreen(true); views::Widget* widget = shell_surface->GetWidget(); widget->AddObserver(new ShellSurfaceSizeObserver( resource, widget->GetWindowBoundsInScreen().size())); } void shell_surface_set_popup(wl_client* client, wl_resource* resource, wl_resource* seat_resource, uint32_t serial, wl_resource* parent_resource, int32_t x, int32_t y, uint32_t flags) { NOTIMPLEMENTED(); } void shell_surface_set_maximized(wl_client* client, wl_resource* resource, wl_resource* output_resource) { ShellSurface* shell_surface = GetUserDataAs(resource); if (shell_surface->enabled()) return; shell_surface->SetEnabled(true); shell_surface->Maximize(); views::Widget* widget = shell_surface->GetWidget(); widget->AddObserver(new ShellSurfaceSizeObserver( resource, widget->GetWindowBoundsInScreen().size())); } void shell_surface_set_title(wl_client* client, wl_resource* resource, const char* title) { GetUserDataAs(resource) ->SetTitle(base::string16(base::UTF8ToUTF16(title))); } void shell_surface_set_class(wl_client* client, wl_resource* resource, const char* clazz) { GetUserDataAs(resource)->SetApplicationId(clazz); } const struct wl_shell_surface_interface shell_surface_implementation = { shell_surface_pong, shell_surface_move, shell_surface_resize, shell_surface_set_toplevel, shell_surface_set_transient, shell_surface_set_fullscreen, shell_surface_set_popup, shell_surface_set_maximized, shell_surface_set_title, shell_surface_set_class}; //////////////////////////////////////////////////////////////////////////////// // wl_shell_interface: void shell_get_shell_surface(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface) { std::unique_ptr shell_surface = GetUserDataAs(resource)->CreateShellSurface( GetUserDataAs(surface)); if (!shell_surface) { wl_resource_post_error(resource, WL_SHELL_ERROR_ROLE, "surface has already been assigned a role"); return; } wl_resource* shell_surface_resource = wl_resource_create(client, &wl_shell_surface_interface, 1, id); // Shell surfaces are initially disabled and needs to be explicitly mapped // before they are enabled and can become visible. shell_surface->SetEnabled(false); shell_surface->set_surface_destroyed_callback(base::Bind( &wl_resource_destroy, base::Unretained(shell_surface_resource))); SetImplementation(shell_surface_resource, &shell_surface_implementation, std::move(shell_surface)); } const struct wl_shell_interface shell_implementation = { shell_get_shell_surface}; void bind_shell(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wl_shell_interface, 1, id); wl_resource_set_implementation(resource, &shell_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // wl_output_interface: wl_output_transform OutputTransform(display::Display::Rotation rotation) { switch (rotation) { case display::Display::ROTATE_0: return WL_OUTPUT_TRANSFORM_NORMAL; case display::Display::ROTATE_90: return WL_OUTPUT_TRANSFORM_90; case display::Display::ROTATE_180: return WL_OUTPUT_TRANSFORM_180; case display::Display::ROTATE_270: return WL_OUTPUT_TRANSFORM_270; } NOTREACHED(); return WL_OUTPUT_TRANSFORM_NORMAL; } class WaylandPrimaryDisplayObserver : public display::DisplayObserver { public: WaylandPrimaryDisplayObserver(wl_resource* output_resource) : output_resource_(output_resource) { display::Screen::GetScreen()->AddObserver(this); SendDisplayMetrics(); } ~WaylandPrimaryDisplayObserver() override { display::Screen::GetScreen()->RemoveObserver(this); } // Overridden from display::DisplayObserver: void OnDisplayAdded(const display::Display& new_display) override {} void OnDisplayRemoved(const display::Display& new_display) override {} void OnDisplayMetricsChanged(const display::Display& display, uint32_t changed_metrics) override { if (display::Screen::GetScreen()->GetPrimaryDisplay().id() != display.id()) return; // There is no need to check DISPLAY_METRIC_PRIMARY because when primary // changes, bounds always changes. (new primary should have had non // 0,0 origin). // Only exception is when switching to newly connected primary with // the same bounds. This happens whenyou're in docked mode, suspend, // unplug the dislpay, then resume to the internal display which has // the same resolution. Since metrics does not change, there is no need // to notify clients. if (changed_metrics & (DISPLAY_METRIC_BOUNDS | DISPLAY_METRIC_DEVICE_SCALE_FACTOR | DISPLAY_METRIC_ROTATION)) { SendDisplayMetrics(); } } private: void SendDisplayMetrics() { display::Display display = display::Screen::GetScreen()->GetPrimaryDisplay(); const display::ManagedDisplayInfo& info = WMHelper::GetInstance()->GetDisplayInfo(display.id()); const float kInchInMm = 25.4f; const char* kUnknownMake = "unknown"; const char* kUnknownModel = "unknown"; gfx::Rect bounds = info.bounds_in_native(); wl_output_send_geometry( output_resource_, bounds.x(), bounds.y(), static_cast(kInchInMm * bounds.width() / info.device_dpi()), static_cast(kInchInMm * bounds.height() / info.device_dpi()), WL_OUTPUT_SUBPIXEL_UNKNOWN, kUnknownMake, kUnknownModel, OutputTransform(display.rotation())); if (wl_resource_get_version(output_resource_) >= WL_OUTPUT_SCALE_SINCE_VERSION) { wl_output_send_scale(output_resource_, display.device_scale_factor()); } // TODO(reveman): Send real list of modes. wl_output_send_mode( output_resource_, WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED, bounds.width(), bounds.height(), static_cast(60000)); if (wl_resource_get_version(output_resource_) >= WL_OUTPUT_DONE_SINCE_VERSION) { wl_output_send_done(output_resource_); } } // The output resource associated with the display. wl_resource* const output_resource_; DISALLOW_COPY_AND_ASSIGN(WaylandPrimaryDisplayObserver); }; const uint32_t output_version = 2; void bind_output(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create( client, &wl_output_interface, std::min(version, output_version), id); SetImplementation(resource, nullptr, base::MakeUnique(resource)); } //////////////////////////////////////////////////////////////////////////////// // xdg_surface_interface: int XdgResizeComponent(uint32_t edges) { switch (edges) { case XDG_SURFACE_RESIZE_EDGE_TOP: return HTTOP; case XDG_SURFACE_RESIZE_EDGE_BOTTOM: return HTBOTTOM; case XDG_SURFACE_RESIZE_EDGE_LEFT: return HTLEFT; case XDG_SURFACE_RESIZE_EDGE_TOP_LEFT: return HTTOPLEFT; case XDG_SURFACE_RESIZE_EDGE_BOTTOM_LEFT: return HTBOTTOMLEFT; case XDG_SURFACE_RESIZE_EDGE_RIGHT: return HTRIGHT; case XDG_SURFACE_RESIZE_EDGE_TOP_RIGHT: return HTTOPRIGHT; case XDG_SURFACE_RESIZE_EDGE_BOTTOM_RIGHT: return HTBOTTOMRIGHT; default: return HTBOTTOMRIGHT; } } void xdg_surface_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void xdg_surface_set_parent(wl_client* client, wl_resource* resource, wl_resource* parent) { if (!parent) { GetUserDataAs(resource)->SetParent(nullptr); return; } // This is a noop if parent has not been mapped. ShellSurface* shell_surface = GetUserDataAs(parent); if (shell_surface->GetWidget()) GetUserDataAs(resource)->SetParent(shell_surface); } void xdg_surface_set_title(wl_client* client, wl_resource* resource, const char* title) { GetUserDataAs(resource) ->SetTitle(base::string16(base::UTF8ToUTF16(title))); } void xdg_surface_set_add_id(wl_client* client, wl_resource* resource, const char* app_id) { GetUserDataAs(resource)->SetApplicationId(app_id); } void xdg_surface_show_window_menu(wl_client* client, wl_resource* resource, wl_resource* seat, uint32_t serial, int32_t x, int32_t y) { NOTIMPLEMENTED(); } void xdg_surface_move(wl_client* client, wl_resource* resource, wl_resource* seat, uint32_t serial) { GetUserDataAs(resource)->Move(); } void xdg_surface_resize(wl_client* client, wl_resource* resource, wl_resource* seat, uint32_t serial, uint32_t edges) { int component = XdgResizeComponent(edges); if (component != HTNOWHERE) GetUserDataAs(resource)->Resize(component); } void xdg_surface_ack_configure(wl_client* client, wl_resource* resource, uint32_t serial) { GetUserDataAs(resource)->AcknowledgeConfigure(serial); } void xdg_surface_set_window_geometry(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource) ->SetGeometry(gfx::Rect(x, y, width, height)); } void xdg_surface_set_maximized(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Maximize(); } void xdg_surface_unset_maximized(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Restore(); } void xdg_surface_set_fullscreen(wl_client* client, wl_resource* resource, wl_resource* output) { GetUserDataAs(resource)->SetFullscreen(true); } void xdg_surface_unset_fullscreen(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetFullscreen(false); } void xdg_surface_set_minimized(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Minimize(); } const struct xdg_surface_interface xdg_surface_implementation = { xdg_surface_destroy, xdg_surface_set_parent, xdg_surface_set_title, xdg_surface_set_add_id, xdg_surface_show_window_menu, xdg_surface_move, xdg_surface_resize, xdg_surface_ack_configure, xdg_surface_set_window_geometry, xdg_surface_set_maximized, xdg_surface_unset_maximized, xdg_surface_set_fullscreen, xdg_surface_unset_fullscreen, xdg_surface_set_minimized}; //////////////////////////////////////////////////////////////////////////////// // xdg_popup_interface: void xdg_popup_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct xdg_popup_interface xdg_popup_implementation = {xdg_popup_destroy}; //////////////////////////////////////////////////////////////////////////////// // xdg_shell_interface: void xdg_shell_destroy(wl_client* client, wl_resource* resource) { // Nothing to do here. } // Currently implemented version of the unstable xdg-shell interface. #define XDG_SHELL_VERSION 5 static_assert(XDG_SHELL_VERSION == XDG_SHELL_VERSION_CURRENT, "Interface version doesn't match implementation version"); void xdg_shell_use_unstable_version(wl_client* client, wl_resource* resource, int32_t version) { if (version > XDG_SHELL_VERSION) { wl_resource_post_error(resource, 1, "xdg-shell version not implemented yet."); } } void HandleXdgSurfaceCloseCallback(wl_resource* resource) { xdg_surface_send_close(resource); wl_client_flush(wl_resource_get_client(resource)); } void AddXdgSurfaceState(wl_array* states, xdg_surface_state state) { xdg_surface_state* value = static_cast( wl_array_add(states, sizeof(xdg_surface_state))); DCHECK(value); *value = state; } uint32_t HandleXdgSurfaceConfigureCallback(wl_resource* resource, const gfx::Size& size, ash::wm::WindowStateType state_type, bool resizing, bool activated) { wl_array states; wl_array_init(&states); if (state_type == ash::wm::WINDOW_STATE_TYPE_MAXIMIZED) AddXdgSurfaceState(&states, XDG_SURFACE_STATE_MAXIMIZED); if (state_type == ash::wm::WINDOW_STATE_TYPE_FULLSCREEN) AddXdgSurfaceState(&states, XDG_SURFACE_STATE_FULLSCREEN); if (resizing) AddXdgSurfaceState(&states, XDG_SURFACE_STATE_RESIZING); if (activated) AddXdgSurfaceState(&states, XDG_SURFACE_STATE_ACTIVATED); uint32_t serial = wl_display_next_serial( wl_client_get_display(wl_resource_get_client(resource))); xdg_surface_send_configure(resource, size.width(), size.height(), &states, serial); wl_client_flush(wl_resource_get_client(resource)); wl_array_release(&states); return serial; } void xdg_shell_get_xdg_surface(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface) { std::unique_ptr shell_surface = GetUserDataAs(resource)->CreateShellSurface( GetUserDataAs(surface)); if (!shell_surface) { wl_resource_post_error(resource, XDG_SHELL_ERROR_ROLE, "surface has already been assigned a role"); return; } wl_resource* xdg_surface_resource = wl_resource_create(client, &xdg_surface_interface, 1, id); shell_surface->set_close_callback(base::Bind( &HandleXdgSurfaceCloseCallback, base::Unretained(xdg_surface_resource))); shell_surface->set_configure_callback( base::Bind(&HandleXdgSurfaceConfigureCallback, base::Unretained(xdg_surface_resource))); SetImplementation(xdg_surface_resource, &xdg_surface_implementation, std::move(shell_surface)); } void HandleXdgPopupCloseCallback(wl_resource* resource) { xdg_popup_send_popup_done(resource); wl_client_flush(wl_resource_get_client(resource)); } void xdg_shell_get_xdg_popup(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface, wl_resource* parent, wl_resource* seat, uint32_t serial, int32_t x, int32_t y) { // Parent widget can be found by locating the closest ancestor with a widget. views::Widget* parent_widget = nullptr; aura::Window* parent_window = GetUserDataAs(parent)->window(); while (parent_window) { parent_widget = views::Widget::GetWidgetForNativeWindow(parent_window); if (parent_widget) break; parent_window = parent_window->parent(); } // Early out if parent widget was not found or is not associated with a // shell surface. if (!parent_widget || !ShellSurface::GetMainSurface(parent_widget->GetNativeWindow())) { wl_resource_post_error(resource, XDG_SHELL_ERROR_INVALID_POPUP_PARENT, "invalid popup parent surface"); return; } // TODO(reveman): Automatically close popup when clicking outside the // popup window. std::unique_ptr shell_surface = GetUserDataAs(resource)->CreatePopupShellSurface( GetUserDataAs(surface), // Shell surface widget delegate implementation of GetContentsView() // returns a pointer to the shell surface instance. static_cast( parent_widget->widget_delegate()->GetContentsView()), gfx::Point(x, y)); if (!shell_surface) { wl_resource_post_error(resource, XDG_SHELL_ERROR_ROLE, "surface has already been assigned a role"); return; } wl_resource* xdg_popup_resource = wl_resource_create(client, &xdg_popup_interface, 1, id); shell_surface->set_close_callback(base::Bind( &HandleXdgPopupCloseCallback, base::Unretained(xdg_popup_resource))); SetImplementation(xdg_popup_resource, &xdg_popup_implementation, std::move(shell_surface)); } void xdg_shell_pong(wl_client* client, wl_resource* resource, uint32_t serial) { NOTIMPLEMENTED(); } const struct xdg_shell_interface xdg_shell_implementation = { xdg_shell_destroy, xdg_shell_use_unstable_version, xdg_shell_get_xdg_surface, xdg_shell_get_xdg_popup, xdg_shell_pong}; void bind_xdg_shell(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &xdg_shell_interface, 1, id); wl_resource_set_implementation(resource, &xdg_shell_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // remote_surface_interface: void remote_surface_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void remote_surface_set_app_id(wl_client* client, wl_resource* resource, const char* app_id) { GetUserDataAs(resource)->SetApplicationId(app_id); } void remote_surface_set_window_geometry(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource)->SetGeometry( gfx::Rect(x, y, width, height)); } void remote_surface_set_scale(wl_client* client, wl_resource* resource, wl_fixed_t scale) { GetUserDataAs(resource)->SetScale(wl_fixed_to_double(scale)); } void remote_surface_set_rectangular_shadow(wl_client* client, wl_resource* resource, int32_t x, int32_t y, int32_t width, int32_t height) { GetUserDataAs(resource)->SetRectangularShadow( gfx::Rect(x, y, width, height)); } void remote_surface_set_rectangular_shadow_background_opacity( wl_client* client, wl_resource* resource, wl_fixed_t opacity) { GetUserDataAs(resource)->SetRectangularShadowBackgroundOpacity( wl_fixed_to_double(opacity)); } void remote_surface_set_title(wl_client* client, wl_resource* resource, const char* title) { GetUserDataAs(resource)->SetTitle( base::string16(base::UTF8ToUTF16(title))); } void remote_surface_set_top_inset(wl_client* client, wl_resource* resource, int32_t height) { GetUserDataAs(resource)->SetTopInset(height); } void remote_surface_activate(wl_client* client, wl_resource* resource, uint32_t serial) { GetUserDataAs(resource)->Activate(); } void remote_surface_maximize(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Maximize(); } void remote_surface_minimize(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Minimize(); } void remote_surface_restore(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->Restore(); } void remote_surface_fullscreen(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetFullscreen(true); } void remote_surface_unfullscreen(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetFullscreen(false); } void remote_surface_pin(wl_client* client, wl_resource* resource, int32_t trusted) { GetUserDataAs(resource)->SetPinned(true, trusted); } void remote_surface_unpin(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetPinned(false, /* trusted */ false); } void remote_surface_set_system_modal(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetSystemModal(true); } void remote_surface_unset_system_modal(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->SetSystemModal(false); } const struct zcr_remote_surface_v1_interface remote_surface_implementation = { remote_surface_destroy, remote_surface_set_app_id, remote_surface_set_window_geometry, remote_surface_set_scale, remote_surface_set_rectangular_shadow, remote_surface_set_rectangular_shadow_background_opacity, remote_surface_set_title, remote_surface_set_top_inset, remote_surface_activate, remote_surface_maximize, remote_surface_minimize, remote_surface_restore, remote_surface_fullscreen, remote_surface_unfullscreen, remote_surface_pin, remote_surface_unpin, remote_surface_set_system_modal, remote_surface_unset_system_modal}; //////////////////////////////////////////////////////////////////////////////// // notification_surface_interface: void notification_surface_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct zcr_notification_surface_v1_interface notification_surface_implementation = {notification_surface_destroy}; //////////////////////////////////////////////////////////////////////////////// // remote_shell_interface: // Implements remote shell interface and monitors workspace state needed // for the remote shell interface. class WaylandRemoteShell : public WMHelper::MaximizeModeObserver, public WMHelper::ActivationObserver, public display::DisplayObserver { public: WaylandRemoteShell(Display* display, wl_resource* remote_shell_resource) : display_(display), remote_shell_resource_(remote_shell_resource), weak_ptr_factory_(this) { auto* helper = WMHelper::GetInstance(); helper->AddMaximizeModeObserver(this); helper->AddActivationObserver(this); display::Screen::GetScreen()->AddObserver(this); layout_mode_ = helper->IsMaximizeModeWindowManagerEnabled() ? ZCR_REMOTE_SHELL_V1_LAYOUT_MODE_TABLET : ZCR_REMOTE_SHELL_V1_LAYOUT_MODE_WINDOWED; SendPrimaryDisplayMetrics(); SendActivated(helper->GetActiveWindow(), nullptr); } ~WaylandRemoteShell() override { auto* helper = WMHelper::GetInstance(); helper->RemoveMaximizeModeObserver(this); helper->RemoveActivationObserver(this); display::Screen::GetScreen()->RemoveObserver(this); } std::unique_ptr CreateShellSurface(Surface* surface, int container) { return display_->CreateRemoteShellSurface(surface, container); } std::unique_ptr CreateNotificationSurface( Surface* surface, const std::string& notification_id) { return display_->CreateNotificationSurface(surface, notification_id); } // Overridden from display::DisplayObserver: void OnDisplayAdded(const display::Display& new_display) override {} void OnDisplayRemoved(const display::Display& new_display) override {} void OnDisplayMetricsChanged(const display::Display& display, uint32_t changed_metrics) override { if (display::Screen::GetScreen()->GetPrimaryDisplay().id() != display.id()) return; // No need to update when a primary dislpay has changed without bounds // change. See WaylandPrimaryDisplayObserver::OnDisplayMetricsChanged // for more details. if (changed_metrics & (DISPLAY_METRIC_BOUNDS | DISPLAY_METRIC_DEVICE_SCALE_FACTOR | DISPLAY_METRIC_ROTATION | DISPLAY_METRIC_WORK_AREA)) { SendDisplayMetrics(display); } } // Overridden from WMHelper::MaximizeModeObserver: void OnMaximizeModeStarted() override { layout_mode_ = ZCR_REMOTE_SHELL_V1_LAYOUT_MODE_TABLET; send_configure_after_layout_change_ = true; base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( FROM_HERE, base::Bind(&WaylandRemoteShell::MaybeSendConfigure, weak_ptr_factory_.GetWeakPtr()), base::TimeDelta::FromMilliseconds(kConfigureDelayAfterLayoutSwitchMs)); } void OnMaximizeModeEnded() override { layout_mode_ = ZCR_REMOTE_SHELL_V1_LAYOUT_MODE_WINDOWED; send_configure_after_layout_change_ = true; base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( FROM_HERE, base::Bind(&WaylandRemoteShell::MaybeSendConfigure, weak_ptr_factory_.GetWeakPtr()), base::TimeDelta::FromMilliseconds(kConfigureDelayAfterLayoutSwitchMs)); } // Overridden from WMHelper::ActivationObserver: void OnWindowActivated(aura::Window* gained_active, aura::Window* lost_active) override { SendActivated(gained_active, lost_active); } private: void SendPrimaryDisplayMetrics() { const display::Display primary = display::Screen::GetScreen()->GetPrimaryDisplay(); SendDisplayMetrics(primary); } void MaybeSendConfigure() { if (send_configure_after_layout_change_) SendPrimaryDisplayMetrics(); } void SendDisplayMetrics(const display::Display& display) { send_configure_after_layout_change_ = false; const gfx::Insets& work_area_insets = display.GetWorkAreaInsets(); zcr_remote_shell_v1_send_configuration_changed( remote_shell_resource_, display.size().width(), display.size().height(), OutputTransform(display.rotation()), wl_fixed_from_double(display.device_scale_factor()), work_area_insets.left(), work_area_insets.top(), work_area_insets.right(), work_area_insets.bottom(), layout_mode_); wl_client_flush(wl_resource_get_client(remote_shell_resource_)); } void SendActivated(aura::Window* gained_active, aura::Window* lost_active) { Surface* gained_active_surface = gained_active ? ShellSurface::GetMainSurface(gained_active) : nullptr; Surface* lost_active_surface = lost_active ? ShellSurface::GetMainSurface(lost_active) : nullptr; wl_resource* gained_active_surface_resource = gained_active_surface ? GetSurfaceResource(gained_active_surface) : nullptr; wl_resource* lost_active_surface_resource = lost_active_surface ? GetSurfaceResource(lost_active_surface) : nullptr; wl_client* client = wl_resource_get_client(remote_shell_resource_); // If surface that gained active is not owned by remote shell client then // set it to null. if (gained_active_surface_resource && wl_resource_get_client(gained_active_surface_resource) != client) { gained_active_surface_resource = nullptr; } // If surface that lost active is not owned by remote shell client then // set it to null. if (lost_active_surface_resource && wl_resource_get_client(lost_active_surface_resource) != client) { lost_active_surface_resource = nullptr; } zcr_remote_shell_v1_send_activated(remote_shell_resource_, gained_active_surface_resource, lost_active_surface_resource); wl_client_flush(client); } // The exo display instance. Not owned. Display* const display_; // The remote shell resource associated with observer. wl_resource* const remote_shell_resource_; bool send_configure_after_layout_change_ = false; int layout_mode_ = ZCR_REMOTE_SHELL_V1_LAYOUT_MODE_WINDOWED; base::WeakPtrFactory weak_ptr_factory_; DISALLOW_COPY_AND_ASSIGN(WaylandRemoteShell); }; void remote_shell_destroy(wl_client* client, wl_resource* resource) { // Nothing to do here. } int RemoteSurfaceContainer(uint32_t container) { switch (container) { case ZCR_REMOTE_SHELL_V1_CONTAINER_DEFAULT: return ash::kShellWindowId_DefaultContainer; case ZCR_REMOTE_SHELL_V1_CONTAINER_OVERLAY: return ash::kShellWindowId_SystemModalContainer; default: DLOG(WARNING) << "Unsupported container: " << container; return ash::kShellWindowId_DefaultContainer; } } void HandleRemoteSurfaceCloseCallback(wl_resource* resource) { zcr_remote_surface_v1_send_close(resource); wl_client_flush(wl_resource_get_client(resource)); } void HandleRemoteSurfaceStateChangedCallback( wl_resource* resource, ash::wm::WindowStateType old_state_type, ash::wm::WindowStateType new_state_type) { DCHECK_NE(old_state_type, new_state_type); uint32_t state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_NORMAL; switch (new_state_type) { case ash::wm::WINDOW_STATE_TYPE_MINIMIZED: state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_MINIMIZED; break; case ash::wm::WINDOW_STATE_TYPE_MAXIMIZED: state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_MAXIMIZED; break; case ash::wm::WINDOW_STATE_TYPE_FULLSCREEN: state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_FULLSCREEN; break; case ash::wm::WINDOW_STATE_TYPE_PINNED: state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_PINNED; break; case ash::wm::WINDOW_STATE_TYPE_TRUSTED_PINNED: state_type = ZCR_REMOTE_SHELL_V1_STATE_TYPE_TRUSTED_PINNED; break; default: break; } zcr_remote_surface_v1_send_state_type_changed(resource, state_type); wl_client_flush(wl_resource_get_client(resource)); } void remote_shell_get_remote_surface(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface, uint32_t container) { std::unique_ptr shell_surface = GetUserDataAs(resource)->CreateShellSurface( GetUserDataAs(surface), RemoteSurfaceContainer(container)); if (!shell_surface) { wl_resource_post_error(resource, ZCR_REMOTE_SHELL_V1_ERROR_ROLE, "surface has already been assigned a role"); return; } wl_resource* remote_surface_resource = wl_resource_create(client, &zcr_remote_surface_v1_interface, wl_resource_get_version(resource), id); shell_surface->set_close_callback( base::Bind(&HandleRemoteSurfaceCloseCallback, base::Unretained(remote_surface_resource))); shell_surface->set_state_changed_callback( base::Bind(&HandleRemoteSurfaceStateChangedCallback, base::Unretained(remote_surface_resource))); SetImplementation(remote_surface_resource, &remote_surface_implementation, std::move(shell_surface)); } void remote_shell_get_notification_surface(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface, const char* notification_id) { if (GetUserDataAs(surface)->HasSurfaceDelegate()) { wl_resource_post_error(resource, ZCR_REMOTE_SHELL_V1_ERROR_ROLE, "surface has already been assigned a role"); return; } std::unique_ptr notification_surface = GetUserDataAs(resource)->CreateNotificationSurface( GetUserDataAs(surface), std::string(notification_id)); if (!notification_surface) { wl_resource_post_error(resource, ZCR_REMOTE_SHELL_V1_ERROR_INVALID_NOTIFICATION_ID, "invalid notification id"); return; } wl_resource* notification_surface_resource = wl_resource_create(client, &zcr_notification_surface_v1_interface, wl_resource_get_version(resource), id); SetImplementation(notification_surface_resource, ¬ification_surface_implementation, std::move(notification_surface)); } const struct zcr_remote_shell_v1_interface remote_shell_implementation = { remote_shell_destroy, remote_shell_get_remote_surface, remote_shell_get_notification_surface}; const uint32_t remote_shell_version = 1; void bind_remote_shell(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_remote_shell_v1_interface, std::min(version, remote_shell_version), id); SetImplementation(resource, &remote_shell_implementation, base::MakeUnique( static_cast(data), resource)); } //////////////////////////////////////////////////////////////////////////////// // vsync_timing_interface: // Implements VSync timing interface by monitoring a compositor for updates // to VSync parameters. class VSyncTiming : public ui::CompositorVSyncManager::Observer { public: ~VSyncTiming() { vsync_manager_->RemoveObserver(this); } static std::unique_ptr Create(ui::Compositor* compositor, wl_resource* timing_resource) { std::unique_ptr vsync_timing( new VSyncTiming(compositor, timing_resource)); // Note: AddObserver() will call OnUpdateVSyncParameters. vsync_timing->vsync_manager_->AddObserver(vsync_timing.get()); return vsync_timing; } // Overridden from ui::CompositorVSyncManager::Observer: void OnUpdateVSyncParameters(base::TimeTicks timebase, base::TimeDelta interval) override { uint64_t timebase_us = timebase.ToInternalValue(); uint64_t interval_us = interval.ToInternalValue(); // Ignore updates with interval 0. if (!interval_us) return; uint64_t offset_us = timebase_us % interval_us; // Avoid sending update events if interval did not change. if (interval_us == last_interval_us_) { int64_t offset_delta_us = static_cast(last_offset_us_ - offset_us); // Reduce the amount of events by only sending an update if the offset // changed compared to the last offset sent to the client by this amount. const int64_t kOffsetDeltaThresholdInMicroseconds = 25; if (std::abs(offset_delta_us) < kOffsetDeltaThresholdInMicroseconds) return; } zcr_vsync_timing_v1_send_update(timing_resource_, timebase_us & 0xffffffff, timebase_us >> 32, interval_us & 0xffffffff, interval_us >> 32); wl_client_flush(wl_resource_get_client(timing_resource_)); last_interval_us_ = interval_us; last_offset_us_ = offset_us; } private: VSyncTiming(ui::Compositor* compositor, wl_resource* timing_resource) : vsync_manager_(compositor->vsync_manager()), timing_resource_(timing_resource) {} // The VSync manager being observed. scoped_refptr vsync_manager_; // The VSync timing resource. wl_resource* const timing_resource_; uint64_t last_interval_us_{0}; uint64_t last_offset_us_{0}; DISALLOW_COPY_AND_ASSIGN(VSyncTiming); }; void vsync_timing_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct zcr_vsync_timing_v1_interface vsync_timing_implementation = { vsync_timing_destroy}; //////////////////////////////////////////////////////////////////////////////// // vsync_feedback_interface: void vsync_feedback_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void vsync_feedback_get_vsync_timing(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* output) { wl_resource* timing_resource = wl_resource_create(client, &zcr_vsync_timing_v1_interface, 1, id); // TODO(reveman): Multi-display support. ui::Compositor* compositor = ash::Shell::GetPrimaryRootWindow()->layer()->GetCompositor(); SetImplementation(timing_resource, &vsync_timing_implementation, VSyncTiming::Create(compositor, timing_resource)); } const struct zcr_vsync_feedback_v1_interface vsync_feedback_implementation = { vsync_feedback_destroy, vsync_feedback_get_vsync_timing}; void bind_vsync_feedback(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_vsync_feedback_v1_interface, 1, id); wl_resource_set_implementation(resource, &vsync_feedback_implementation, nullptr, nullptr); } //////////////////////////////////////////////////////////////////////////////// // wl_data_device_interface: void data_device_start_drag(wl_client* client, wl_resource* resource, wl_resource* source_resource, wl_resource* origin_resource, wl_resource* icon_resource, uint32_t serial) { NOTIMPLEMENTED(); } void data_device_set_selection(wl_client* client, wl_resource* resource, wl_resource* data_source, uint32_t serial) { NOTIMPLEMENTED(); } const struct wl_data_device_interface data_device_implementation = { data_device_start_drag, data_device_set_selection}; //////////////////////////////////////////////////////////////////////////////// // wl_data_device_manager_interface: void data_device_manager_create_data_source(wl_client* client, wl_resource* resource, uint32_t id) { NOTIMPLEMENTED(); } void data_device_manager_get_data_device(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* seat_resource) { wl_resource* data_device_resource = wl_resource_create(client, &wl_data_device_interface, 1, id); wl_resource_set_implementation(data_device_resource, &data_device_implementation, nullptr, nullptr); } const struct wl_data_device_manager_interface data_device_manager_implementation = { data_device_manager_create_data_source, data_device_manager_get_data_device}; void bind_data_device_manager(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wl_data_device_manager_interface, 1, id); wl_resource_set_implementation(resource, &data_device_manager_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // wl_pointer_interface: // Pointer delegate class that accepts events for surfaces owned by the same // client as a pointer resource. class WaylandPointerDelegate : public PointerDelegate { public: explicit WaylandPointerDelegate(wl_resource* pointer_resource) : pointer_resource_(pointer_resource) {} // Overridden from PointerDelegate: void OnPointerDestroying(Pointer* pointer) override { delete this; } bool CanAcceptPointerEventsForSurface(Surface* surface) const override { wl_resource* surface_resource = GetSurfaceResource(surface); // We can accept events for this surface if the client is the same as the // pointer. return surface_resource && wl_resource_get_client(surface_resource) == client(); } void OnPointerEnter(Surface* surface, const gfx::PointF& location, int button_flags) override { wl_resource* surface_resource = GetSurfaceResource(surface); DCHECK(surface_resource); // Should we be sending button events to the client before the enter event // if client's pressed button state is different from |button_flags|? wl_pointer_send_enter(pointer_resource_, next_serial(), surface_resource, wl_fixed_from_double(location.x()), wl_fixed_from_double(location.y())); } void OnPointerLeave(Surface* surface) override { wl_resource* surface_resource = GetSurfaceResource(surface); DCHECK(surface_resource); wl_pointer_send_leave(pointer_resource_, next_serial(), surface_resource); } void OnPointerMotion(base::TimeTicks time_stamp, const gfx::PointF& location) override { wl_pointer_send_motion( pointer_resource_, TimeTicksToMilliseconds(time_stamp), wl_fixed_from_double(location.x()), wl_fixed_from_double(location.y())); } void OnPointerButton(base::TimeTicks time_stamp, int button_flags, bool pressed) override { struct { ui::EventFlags flag; uint32_t value; } buttons[] = { {ui::EF_LEFT_MOUSE_BUTTON, BTN_LEFT}, {ui::EF_RIGHT_MOUSE_BUTTON, BTN_RIGHT}, {ui::EF_MIDDLE_MOUSE_BUTTON, BTN_MIDDLE}, {ui::EF_FORWARD_MOUSE_BUTTON, BTN_FORWARD}, {ui::EF_BACK_MOUSE_BUTTON, BTN_BACK}, }; uint32_t serial = next_serial(); for (auto button : buttons) { if (button_flags & button.flag) { wl_pointer_send_button( pointer_resource_, serial, TimeTicksToMilliseconds(time_stamp), button.value, pressed ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED); } } } void OnPointerScroll(base::TimeTicks time_stamp, const gfx::Vector2dF& offset, bool discrete) override { // Same as Weston, the reference compositor. const double kAxisStepDistance = 10.0 / ui::MouseWheelEvent::kWheelDelta; if (wl_resource_get_version(pointer_resource_) >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION) { int32_t axis_source = discrete ? WL_POINTER_AXIS_SOURCE_WHEEL : WL_POINTER_AXIS_SOURCE_FINGER; wl_pointer_send_axis_source(pointer_resource_, axis_source); } double x_value = offset.x() * kAxisStepDistance; wl_pointer_send_axis(pointer_resource_, TimeTicksToMilliseconds(time_stamp), WL_POINTER_AXIS_HORIZONTAL_SCROLL, wl_fixed_from_double(-x_value)); double y_value = offset.y() * kAxisStepDistance; wl_pointer_send_axis(pointer_resource_, TimeTicksToMilliseconds(time_stamp), WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_double(-y_value)); } void OnPointerScrollCancel(base::TimeTicks time_stamp) override { // Wayland doesn't know the concept of a canceling kinetic scrolling. // But we can send a 0 distance scroll to emulate this behavior. OnPointerScroll(time_stamp, gfx::Vector2dF(0, 0), false); OnPointerScrollStop(time_stamp); } void OnPointerScrollStop(base::TimeTicks time_stamp) override { if (wl_resource_get_version(pointer_resource_) >= WL_POINTER_AXIS_STOP_SINCE_VERSION) { wl_pointer_send_axis_stop(pointer_resource_, TimeTicksToMilliseconds(time_stamp), WL_POINTER_AXIS_HORIZONTAL_SCROLL); wl_pointer_send_axis_stop(pointer_resource_, TimeTicksToMilliseconds(time_stamp), WL_POINTER_AXIS_VERTICAL_SCROLL); } } void OnPointerFrame() override { if (wl_resource_get_version(pointer_resource_) >= WL_POINTER_FRAME_SINCE_VERSION) { wl_pointer_send_frame(pointer_resource_); } wl_client_flush(client()); } private: // The client who own this pointer instance. wl_client* client() const { return wl_resource_get_client(pointer_resource_); } // Returns the next serial to use for pointer events. uint32_t next_serial() const { return wl_display_next_serial(wl_client_get_display(client())); } // The pointer resource associated with the pointer. wl_resource* const pointer_resource_; DISALLOW_COPY_AND_ASSIGN(WaylandPointerDelegate); }; void pointer_set_cursor(wl_client* client, wl_resource* resource, uint32_t serial, wl_resource* surface_resource, int32_t hotspot_x, int32_t hotspot_y) { GetUserDataAs(resource)->SetCursor( surface_resource ? GetUserDataAs(surface_resource) : nullptr, gfx::Point(hotspot_x, hotspot_y)); } void pointer_release(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct wl_pointer_interface pointer_implementation = {pointer_set_cursor, pointer_release}; #if defined(USE_XKBCOMMON) //////////////////////////////////////////////////////////////////////////////// // wl_keyboard_interface: // Keyboard delegate class that accepts events for surfaces owned by the same // client as a keyboard resource. class WaylandKeyboardDelegate : public KeyboardDelegate { public: explicit WaylandKeyboardDelegate(wl_resource* keyboard_resource) : keyboard_resource_(keyboard_resource), xkb_context_(xkb_context_new(XKB_CONTEXT_NO_FLAGS)), // TODO(reveman): Keep keymap synchronized with the keymap used by // chromium and the host OS. xkb_keymap_(xkb_keymap_new_from_names(xkb_context_.get(), nullptr, XKB_KEYMAP_COMPILE_NO_FLAGS)), xkb_state_(xkb_state_new(xkb_keymap_.get())) { std::unique_ptr keymap_string( xkb_keymap_get_as_string(xkb_keymap_.get(), XKB_KEYMAP_FORMAT_TEXT_V1)); DCHECK(keymap_string.get()); size_t keymap_size = strlen(keymap_string.get()) + 1; base::SharedMemory shared_keymap; bool rv = shared_keymap.CreateAndMapAnonymous(keymap_size); DCHECK(rv); memcpy(shared_keymap.memory(), keymap_string.get(), keymap_size); wl_keyboard_send_keymap(keyboard_resource_, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, shared_keymap.handle().fd, keymap_size); } // Overridden from KeyboardDelegate: void OnKeyboardDestroying(Keyboard* keyboard) override { delete this; } bool CanAcceptKeyboardEventsForSurface(Surface* surface) const override { wl_resource* surface_resource = GetSurfaceResource(surface); // We can accept events for this surface if the client is the same as the // keyboard. return surface_resource && wl_resource_get_client(surface_resource) == client(); } void OnKeyboardEnter(Surface* surface, const std::vector& pressed_keys) override { wl_resource* surface_resource = GetSurfaceResource(surface); DCHECK(surface_resource); wl_array keys; wl_array_init(&keys); for (auto key : pressed_keys) { uint32_t* value = static_cast(wl_array_add(&keys, sizeof(uint32_t))); DCHECK(value); *value = DomCodeToKey(key); } wl_keyboard_send_enter(keyboard_resource_, next_serial(), surface_resource, &keys); wl_array_release(&keys); wl_client_flush(client()); } void OnKeyboardLeave(Surface* surface) override { wl_resource* surface_resource = GetSurfaceResource(surface); DCHECK(surface_resource); wl_keyboard_send_leave(keyboard_resource_, next_serial(), surface_resource); wl_client_flush(client()); } void OnKeyboardKey(base::TimeTicks time_stamp, ui::DomCode key, bool pressed) override { wl_keyboard_send_key(keyboard_resource_, next_serial(), TimeTicksToMilliseconds(time_stamp), DomCodeToKey(key), pressed ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED); wl_client_flush(client()); } void OnKeyboardModifiers(int modifier_flags) override { xkb_state_update_mask(xkb_state_.get(), ModifierFlagsToXkbModifiers(modifier_flags), 0, 0, 0, 0, 0); wl_keyboard_send_modifiers( keyboard_resource_, next_serial(), xkb_state_serialize_mods(xkb_state_.get(), XKB_STATE_MODS_DEPRESSED), xkb_state_serialize_mods(xkb_state_.get(), XKB_STATE_MODS_LOCKED), xkb_state_serialize_mods(xkb_state_.get(), XKB_STATE_MODS_LATCHED), xkb_state_serialize_layout(xkb_state_.get(), XKB_STATE_LAYOUT_EFFECTIVE)); wl_client_flush(client()); } private: // Returns the corresponding key given a dom code. uint32_t DomCodeToKey(ui::DomCode code) const { // This assumes KeycodeConverter has been built with evdev/xkb codes. xkb_keycode_t xkb_keycode = static_cast( ui::KeycodeConverter::DomCodeToNativeKeycode(code)); // Keycodes are offset by 8 in Xkb. DCHECK_GE(xkb_keycode, 8u); return xkb_keycode - 8; } // Returns a set of Xkb modififers given a set of modifier flags. uint32_t ModifierFlagsToXkbModifiers(int modifier_flags) { struct { ui::EventFlags flag; const char* xkb_name; } modifiers[] = { {ui::EF_SHIFT_DOWN, XKB_MOD_NAME_SHIFT}, {ui::EF_CONTROL_DOWN, XKB_MOD_NAME_CTRL}, {ui::EF_ALT_DOWN, XKB_MOD_NAME_ALT}, {ui::EF_COMMAND_DOWN, XKB_MOD_NAME_LOGO}, {ui::EF_ALTGR_DOWN, "Mod5"}, {ui::EF_MOD3_DOWN, "Mod3"}, {ui::EF_NUM_LOCK_ON, XKB_MOD_NAME_NUM}, {ui::EF_CAPS_LOCK_ON, XKB_MOD_NAME_CAPS}, }; uint32_t xkb_modifiers = 0; for (auto modifier : modifiers) { if (modifier_flags & modifier.flag) { xkb_modifiers |= 1 << xkb_keymap_mod_get_index(xkb_keymap_.get(), modifier.xkb_name); } } return xkb_modifiers; } // The client who own this keyboard instance. wl_client* client() const { return wl_resource_get_client(keyboard_resource_); } // Returns the next serial to use for keyboard events. uint32_t next_serial() const { return wl_display_next_serial(wl_client_get_display(client())); } // The keyboard resource associated with the keyboard. wl_resource* const keyboard_resource_; // The Xkb state used for the keyboard. std::unique_ptr xkb_context_; std::unique_ptr xkb_keymap_; std::unique_ptr xkb_state_; DISALLOW_COPY_AND_ASSIGN(WaylandKeyboardDelegate); }; void keyboard_release(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct wl_keyboard_interface keyboard_implementation = {keyboard_release}; #endif //////////////////////////////////////////////////////////////////////////////// // wl_touch_interface: // Touch delegate class that accepts events for surfaces owned by the same // client as a touch resource. class WaylandTouchDelegate : public TouchDelegate { public: explicit WaylandTouchDelegate(wl_resource* touch_resource) : touch_resource_(touch_resource) {} // Overridden from TouchDelegate: void OnTouchDestroying(Touch* touch) override { delete this; } bool CanAcceptTouchEventsForSurface(Surface* surface) const override { wl_resource* surface_resource = GetSurfaceResource(surface); // We can accept events for this surface if the client is the same as the // touch resource. return surface_resource && wl_resource_get_client(surface_resource) == client(); } void OnTouchDown(Surface* surface, base::TimeTicks time_stamp, int id, const gfx::PointF& location) override { wl_resource* surface_resource = GetSurfaceResource(surface); DCHECK(surface_resource); wl_touch_send_down(touch_resource_, next_serial(), TimeTicksToMilliseconds(time_stamp), surface_resource, id, wl_fixed_from_double(location.x()), wl_fixed_from_double(location.y())); } void OnTouchUp(base::TimeTicks time_stamp, int id) override { wl_touch_send_up(touch_resource_, next_serial(), TimeTicksToMilliseconds(time_stamp), id); } void OnTouchMotion(base::TimeTicks time_stamp, int id, const gfx::PointF& location) override { wl_touch_send_motion(touch_resource_, TimeTicksToMilliseconds(time_stamp), id, wl_fixed_from_double(location.x()), wl_fixed_from_double(location.y())); } void OnTouchShape(int id, float major, float minor) override { if (wl_resource_get_version(touch_resource_) >= WL_TOUCH_SHAPE_SINCE_VERSION) { wl_touch_send_shape(touch_resource_, id, wl_fixed_from_double(major), wl_fixed_from_double(minor)); } } void OnTouchFrame() override { if (wl_resource_get_version(touch_resource_) >= WL_TOUCH_FRAME_SINCE_VERSION) { wl_touch_send_frame(touch_resource_); } wl_client_flush(client()); } void OnTouchCancel() override { wl_touch_send_cancel(touch_resource_); } private: // The client who own this touch instance. wl_client* client() const { return wl_resource_get_client(touch_resource_); } // Returns the next serial to use for keyboard events. uint32_t next_serial() const { return wl_display_next_serial(wl_client_get_display(client())); } // The touch resource associated with the touch. wl_resource* const touch_resource_; DISALLOW_COPY_AND_ASSIGN(WaylandTouchDelegate); }; void touch_release(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct wl_touch_interface touch_implementation = {touch_release}; //////////////////////////////////////////////////////////////////////////////// // wl_seat_interface: void seat_get_pointer(wl_client* client, wl_resource* resource, uint32_t id) { wl_resource* pointer_resource = wl_resource_create( client, &wl_pointer_interface, wl_resource_get_version(resource), id); SetImplementation( pointer_resource, &pointer_implementation, base::MakeUnique(new WaylandPointerDelegate(pointer_resource))); } void seat_get_keyboard(wl_client* client, wl_resource* resource, uint32_t id) { #if defined(USE_XKBCOMMON) uint32_t version = wl_resource_get_version(resource); wl_resource* keyboard_resource = wl_resource_create(client, &wl_keyboard_interface, version, id); SetImplementation(keyboard_resource, &keyboard_implementation, base::MakeUnique( new WaylandKeyboardDelegate(keyboard_resource))); // TODO(reveman): Keep repeat info synchronized with chromium and the host OS. if (version >= WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION) wl_keyboard_send_repeat_info(keyboard_resource, 40, 500); #else NOTIMPLEMENTED(); #endif } void seat_get_touch(wl_client* client, wl_resource* resource, uint32_t id) { wl_resource* touch_resource = wl_resource_create( client, &wl_touch_interface, wl_resource_get_version(resource), id); SetImplementation( touch_resource, &touch_implementation, base::MakeUnique(new WaylandTouchDelegate(touch_resource))); } void seat_release(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct wl_seat_interface seat_implementation = { seat_get_pointer, seat_get_keyboard, seat_get_touch, seat_release}; const uint32_t seat_version = 5; void bind_seat(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create( client, &wl_seat_interface, std::min(version, seat_version), id); wl_resource_set_implementation(resource, &seat_implementation, data, nullptr); if (version >= WL_SEAT_NAME_SINCE_VERSION) wl_seat_send_name(resource, "default"); uint32_t capabilities = WL_SEAT_CAPABILITY_POINTER | WL_SEAT_CAPABILITY_TOUCH; #if defined(USE_XKBCOMMON) capabilities |= WL_SEAT_CAPABILITY_KEYBOARD; #endif wl_seat_send_capabilities(resource, capabilities); } //////////////////////////////////////////////////////////////////////////////// // wp_viewport_interface: // Implements the viewport interface to a Surface. The "viewport"-state is set // to null upon destruction. A window property will be set during the lifetime // of this class to prevent multiple instances from being created for the same // Surface. class Viewport : public SurfaceObserver { public: explicit Viewport(Surface* surface) : surface_(surface) { surface_->AddSurfaceObserver(this); surface_->SetProperty(kSurfaceHasViewportKey, true); } ~Viewport() override { if (surface_) { surface_->RemoveSurfaceObserver(this); surface_->SetCrop(gfx::RectF()); surface_->SetViewport(gfx::Size()); surface_->SetProperty(kSurfaceHasViewportKey, false); } } void SetSource(const gfx::RectF& rect) { if (surface_) surface_->SetCrop(rect); } void SetDestination(const gfx::Size& size) { if (surface_) surface_->SetViewport(size); } // Overridden from SurfaceObserver: void OnSurfaceDestroying(Surface* surface) override { surface->RemoveSurfaceObserver(this); surface_ = nullptr; } private: Surface* surface_; DISALLOW_COPY_AND_ASSIGN(Viewport); }; void viewport_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void viewport_set_source(wl_client* client, wl_resource* resource, wl_fixed_t x, wl_fixed_t y, wl_fixed_t width, wl_fixed_t height) { if (x == wl_fixed_from_int(-1) && y == wl_fixed_from_int(-1) && width == wl_fixed_from_int(-1) && height == wl_fixed_from_int(-1)) { GetUserDataAs(resource)->SetSource(gfx::RectF()); return; } if (x < 0 || y < 0 || width <= 0 || height <= 0) { wl_resource_post_error(resource, WP_VIEWPORT_ERROR_BAD_VALUE, "source rectangle must be non-empty (%dx%d) and" "have positive origin (%d,%d)", width, height, x, y); return; } GetUserDataAs(resource)->SetSource( gfx::RectF(wl_fixed_to_double(x), wl_fixed_to_double(y), wl_fixed_to_double(width), wl_fixed_to_double(height))); } void viewport_set_destination(wl_client* client, wl_resource* resource, int32_t width, int32_t height) { if (width == -1 && height == -1) { GetUserDataAs(resource)->SetDestination(gfx::Size()); return; } if (width <= 0 || height <= 0) { wl_resource_post_error(resource, WP_VIEWPORT_ERROR_BAD_VALUE, "destination size must be positive (%dx%d)", width, height); return; } GetUserDataAs(resource)->SetDestination(gfx::Size(width, height)); } const struct wp_viewport_interface viewport_implementation = { viewport_destroy, viewport_set_source, viewport_set_destination}; //////////////////////////////////////////////////////////////////////////////// // wp_viewporter_interface: void viewporter_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void viewporter_get_viewport(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface_resource) { Surface* surface = GetUserDataAs(surface_resource); if (surface->GetProperty(kSurfaceHasViewportKey)) { wl_resource_post_error(resource, WP_VIEWPORTER_ERROR_VIEWPORT_EXISTS, "a viewport for that surface already exists"); return; } wl_resource* viewport_resource = wl_resource_create( client, &wp_viewport_interface, wl_resource_get_version(resource), id); SetImplementation(viewport_resource, &viewport_implementation, base::MakeUnique(surface)); } const struct wp_viewporter_interface viewporter_implementation = { viewporter_destroy, viewporter_get_viewport}; void bind_viewporter(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &wp_viewporter_interface, 1, id); wl_resource_set_implementation(resource, &viewporter_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // security_interface: // Implements the security interface to a Surface. The "only visible on secure // output"-state is set to false upon destruction. A window property will be set // during the lifetime of this class to prevent multiple instances from being // created for the same Surface. class Security : public SurfaceObserver { public: explicit Security(Surface* surface) : surface_(surface) { surface_->AddSurfaceObserver(this); surface_->SetProperty(kSurfaceHasSecurityKey, true); } ~Security() override { if (surface_) { surface_->RemoveSurfaceObserver(this); surface_->SetOnlyVisibleOnSecureOutput(false); surface_->SetProperty(kSurfaceHasSecurityKey, false); } } void OnlyVisibleOnSecureOutput() { if (surface_) surface_->SetOnlyVisibleOnSecureOutput(true); } // Overridden from SurfaceObserver: void OnSurfaceDestroying(Surface* surface) override { surface->RemoveSurfaceObserver(this); surface_ = nullptr; } private: Surface* surface_; DISALLOW_COPY_AND_ASSIGN(Security); }; void security_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void security_only_visible_on_secure_output(wl_client* client, wl_resource* resource) { GetUserDataAs(resource)->OnlyVisibleOnSecureOutput(); } const struct zcr_security_v1_interface security_implementation = { security_destroy, security_only_visible_on_secure_output}; //////////////////////////////////////////////////////////////////////////////// // secure_output_interface: void secure_output_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void secure_output_get_security(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface_resource) { Surface* surface = GetUserDataAs(surface_resource); if (surface->GetProperty(kSurfaceHasSecurityKey)) { wl_resource_post_error(resource, ZCR_SECURE_OUTPUT_V1_ERROR_SECURITY_EXISTS, "a security object for that surface already exists"); return; } wl_resource* security_resource = wl_resource_create(client, &zcr_security_v1_interface, 1, id); SetImplementation(security_resource, &security_implementation, base::MakeUnique(surface)); } const struct zcr_secure_output_v1_interface secure_output_implementation = { secure_output_destroy, secure_output_get_security}; void bind_secure_output(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_secure_output_v1_interface, 1, id); wl_resource_set_implementation(resource, &secure_output_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // blending_interface: // Implements the blending interface to a Surface. The "blend mode" and // "alpha"-state is set to SrcOver and 1 upon destruction. A window property // will be set during the lifetime of this class to prevent multiple instances // from being created for the same Surface. class Blending : public SurfaceObserver { public: explicit Blending(Surface* surface) : surface_(surface) { surface_->AddSurfaceObserver(this); surface_->SetProperty(kSurfaceHasBlendingKey, true); } ~Blending() override { if (surface_) { surface_->RemoveSurfaceObserver(this); surface_->SetBlendMode(SkXfermode::kSrcOver_Mode); surface_->SetAlpha(1.0f); surface_->SetProperty(kSurfaceHasBlendingKey, false); } } void SetBlendMode(SkXfermode::Mode blend_mode) { if (surface_) surface_->SetBlendMode(blend_mode); } void SetAlpha(float value) { if (surface_) surface_->SetAlpha(value); } // Overridden from SurfaceObserver: void OnSurfaceDestroying(Surface* surface) override { surface->RemoveSurfaceObserver(this); surface_ = nullptr; } private: Surface* surface_; DISALLOW_COPY_AND_ASSIGN(Blending); }; void blending_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void blending_set_blending(wl_client* client, wl_resource* resource, uint32_t equation) { switch (equation) { case ZCR_BLENDING_V1_BLENDING_EQUATION_NONE: GetUserDataAs(resource)->SetBlendMode(SkXfermode::kSrc_Mode); break; case ZCR_BLENDING_V1_BLENDING_EQUATION_PREMULT: GetUserDataAs(resource)->SetBlendMode( SkXfermode::kSrcOver_Mode); break; case ZCR_BLENDING_V1_BLENDING_EQUATION_COVERAGE: NOTIMPLEMENTED(); break; default: DLOG(WARNING) << "Unsupported blending equation: " << equation; break; } } void blending_set_alpha(wl_client* client, wl_resource* resource, wl_fixed_t alpha) { GetUserDataAs(resource)->SetAlpha(wl_fixed_to_double(alpha)); } const struct zcr_blending_v1_interface blending_implementation = { blending_destroy, blending_set_blending, blending_set_alpha}; //////////////////////////////////////////////////////////////////////////////// // alpha_compositing_interface: void alpha_compositing_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } void alpha_compositing_get_blending(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* surface_resource) { Surface* surface = GetUserDataAs(surface_resource); if (surface->GetProperty(kSurfaceHasBlendingKey)) { wl_resource_post_error(resource, ZCR_ALPHA_COMPOSITING_V1_ERROR_BLENDING_EXISTS, "a blending object for that surface already exists"); return; } wl_resource* blending_resource = wl_resource_create(client, &zcr_blending_v1_interface, 1, id); SetImplementation(blending_resource, &blending_implementation, base::MakeUnique(surface)); } const struct zcr_alpha_compositing_v1_interface alpha_compositing_implementation = {alpha_compositing_destroy, alpha_compositing_get_blending}; void bind_alpha_compositing(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_alpha_compositing_v1_interface, 1, id); wl_resource_set_implementation(resource, &alpha_compositing_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // gaming_input_interface: // Gamepad delegate class that forwards gamepad events to the client resource. class WaylandGamepadDelegate : public GamepadDelegate { public: explicit WaylandGamepadDelegate(wl_resource* gamepad_resource) : gamepad_resource_(gamepad_resource) {} // Overridden from GamepadDelegate: void OnGamepadDestroying(Gamepad* gamepad) override { delete this; } bool CanAcceptGamepadEventsForSurface(Surface* surface) const override { wl_resource* surface_resource = GetSurfaceResource(surface); return surface_resource && wl_resource_get_client(surface_resource) == client(); } void OnStateChange(bool connected) override { uint32_t status = connected ? ZCR_GAMEPAD_V1_GAMEPAD_STATE_ON : ZCR_GAMEPAD_V1_GAMEPAD_STATE_OFF; zcr_gamepad_v1_send_state_change(gamepad_resource_, status); wl_client_flush(client()); } void OnAxis(int axis, double value) override { zcr_gamepad_v1_send_axis(gamepad_resource_, NowInMilliseconds(), axis, wl_fixed_from_double(value)); } void OnButton(int button, bool pressed, double value) override { uint32_t state = pressed ? ZCR_GAMEPAD_V1_BUTTON_STATE_PRESSED : ZCR_GAMEPAD_V1_BUTTON_STATE_RELEASED; zcr_gamepad_v1_send_button(gamepad_resource_, NowInMilliseconds(), button, state, wl_fixed_from_double(value)); } void OnFrame() override { zcr_gamepad_v1_send_frame(gamepad_resource_, NowInMilliseconds()); wl_client_flush(client()); } private: // The client who own this gamepad instance. wl_client* client() const { return wl_resource_get_client(gamepad_resource_); } // The gamepad resource associated with the gamepad. wl_resource* const gamepad_resource_; DISALLOW_COPY_AND_ASSIGN(WaylandGamepadDelegate); }; void gamepad_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct zcr_gamepad_v1_interface gamepad_implementation = { gamepad_destroy}; void gaming_input_get_gamepad(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* seat) { wl_resource* gamepad_resource = wl_resource_create( client, &zcr_gamepad_v1_interface, wl_resource_get_version(resource), id); base::Thread* gaming_input_thread = GetUserDataAs(resource); SetImplementation( gamepad_resource, &gamepad_implementation, base::MakeUnique(new WaylandGamepadDelegate(gamepad_resource), gaming_input_thread->task_runner().get())); } const struct zcr_gaming_input_v1_interface gaming_input_implementation = { gaming_input_get_gamepad}; void bind_gaming_input(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_gaming_input_v1_interface, version, id); std::unique_ptr gaming_input_thread( new base::Thread("Exo gaming input polling thread.")); gaming_input_thread->StartWithOptions( base::Thread::Options(base::MessageLoop::TYPE_IO, 0)); SetImplementation(resource, &gaming_input_implementation, std::move(gaming_input_thread)); } //////////////////////////////////////////////////////////////////////////////// // touch_stylus interface: class WaylandTouchStylusDelegate : public TouchStylusDelegate { public: WaylandTouchStylusDelegate(wl_resource* resource, Touch* touch) : resource_(resource), touch_(touch) { touch_->SetStylusDelegate(this); } ~WaylandTouchStylusDelegate() override { if (touch_ != nullptr) touch_->SetStylusDelegate(nullptr); } void OnTouchDestroying(Touch* touch) override { touch_ = nullptr; } void OnTouchTool(int touch_id, ui::EventPointerType type) override { uint wayland_type = ZCR_TOUCH_STYLUS_V2_TOOL_TYPE_TOUCH; if (type == ui::EventPointerType::POINTER_TYPE_PEN) wayland_type = ZCR_TOUCH_STYLUS_V2_TOOL_TYPE_PEN; else if (type == ui::EventPointerType::POINTER_TYPE_ERASER) wayland_type = ZCR_TOUCH_STYLUS_V2_TOOL_TYPE_ERASER; zcr_touch_stylus_v2_send_tool(resource_, touch_id, wayland_type); } void OnTouchForce(base::TimeTicks time_stamp, int touch_id, float force) override { zcr_touch_stylus_v2_send_force(resource_, TimeTicksToMilliseconds(time_stamp), touch_id, wl_fixed_from_double(force)); } void OnTouchTilt(base::TimeTicks time_stamp, int touch_id, const gfx::Vector2dF& tilt) override { zcr_touch_stylus_v2_send_tilt( resource_, TimeTicksToMilliseconds(time_stamp), touch_id, wl_fixed_from_double(tilt.x()), wl_fixed_from_double(tilt.y())); } private: wl_resource* resource_; Touch* touch_; DISALLOW_COPY_AND_ASSIGN(WaylandTouchStylusDelegate); }; void touch_stylus_destroy(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct zcr_touch_stylus_v2_interface touch_stylus_implementation = { touch_stylus_destroy}; //////////////////////////////////////////////////////////////////////////////// // stylus_v2 interface: void stylus_get_touch_stylus(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* touch_resource) { Touch* touch = GetUserDataAs(touch_resource); if (touch->HasStylusDelegate()) { wl_resource_post_error( resource, ZCR_STYLUS_V2_ERROR_TOUCH_STYLUS_EXISTS, "touch has already been associated with a stylus object"); return; } wl_resource* stylus_resource = wl_resource_create(client, &zcr_touch_stylus_v2_interface, 1, id); SetImplementation( stylus_resource, &touch_stylus_implementation, base::MakeUnique(stylus_resource, touch)); } const struct zcr_stylus_v2_interface stylus_v2_implementation = { stylus_get_touch_stylus}; void bind_stylus_v2(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_stylus_v2_interface, version, id); wl_resource_set_implementation(resource, &stylus_v2_implementation, data, nullptr); } //////////////////////////////////////////////////////////////////////////////// // pointer_stylus interface (deprecated) // TODO(denniskempin): Remove once client no longer depends on this interface. void pointer_stylus_destroy_DEPRECATED(wl_client* client, wl_resource* resource) { wl_resource_destroy(resource); } const struct zcr_pointer_stylus_v1_interface pointer_stylus_implementation_DEPRECATED = { pointer_stylus_destroy_DEPRECATED}; //////////////////////////////////////////////////////////////////////////////// // stylus_v1 interface (deprecated): // TODO(denniskempin): Remove once client no longer depends on this interface. void stylus_get_pointer_stylus_DEPRECATED(wl_client* client, wl_resource* resource, uint32_t id, wl_resource* pointer_resource) { wl_resource* stylus_resource = wl_resource_create(client, &zcr_pointer_stylus_v1_interface, 1, id); wl_resource_set_implementation(stylus_resource, &pointer_stylus_implementation_DEPRECATED, nullptr, nullptr); } const struct zcr_stylus_v1_interface stylus_v1_implementation_DEPRECATED = { stylus_get_pointer_stylus_DEPRECATED}; void bind_stylus_v1_DEPRECATED(wl_client* client, void* data, uint32_t version, uint32_t id) { wl_resource* resource = wl_resource_create(client, &zcr_stylus_v1_interface, version, id); wl_resource_set_implementation(resource, &stylus_v1_implementation_DEPRECATED, data, nullptr); } } // namespace //////////////////////////////////////////////////////////////////////////////// // Server, public: Server::Server(Display* display) : display_(display), wl_display_(wl_display_create()) { wl_global_create(wl_display_.get(), &wl_compositor_interface, compositor_version, display_, bind_compositor); wl_global_create(wl_display_.get(), &wl_shm_interface, 1, display_, bind_shm); #if defined(USE_OZONE) wl_global_create(wl_display_.get(), &wl_drm_interface, drm_version, display_, bind_drm); wl_global_create(wl_display_.get(), &zwp_linux_dmabuf_v1_interface, 1, display_, bind_linux_dmabuf); #endif wl_global_create(wl_display_.get(), &wl_subcompositor_interface, 1, display_, bind_subcompositor); wl_global_create(wl_display_.get(), &wl_shell_interface, 1, display_, bind_shell); wl_global_create(wl_display_.get(), &wl_output_interface, output_version, display_, bind_output); wl_global_create(wl_display_.get(), &xdg_shell_interface, 1, display_, bind_xdg_shell); wl_global_create(wl_display_.get(), &zcr_vsync_feedback_v1_interface, 1, display_, bind_vsync_feedback); wl_global_create(wl_display_.get(), &wl_data_device_manager_interface, 1, display_, bind_data_device_manager); wl_global_create(wl_display_.get(), &wl_seat_interface, seat_version, display_, bind_seat); wl_global_create(wl_display_.get(), &wp_viewporter_interface, 1, display_, bind_viewporter); wl_global_create(wl_display_.get(), &zcr_secure_output_v1_interface, 1, display_, bind_secure_output); wl_global_create(wl_display_.get(), &zcr_alpha_compositing_v1_interface, 1, display_, bind_alpha_compositing); wl_global_create(wl_display_.get(), &zcr_remote_shell_v1_interface, remote_shell_version, display_, bind_remote_shell); wl_global_create(wl_display_.get(), &zcr_gaming_input_v1_interface, 1, display_, bind_gaming_input); wl_global_create(wl_display_.get(), &zcr_stylus_v1_interface, 2, display_, bind_stylus_v1_DEPRECATED); wl_global_create(wl_display_.get(), &zcr_stylus_v2_interface, 1, display_, bind_stylus_v2); } Server::~Server() {} // static std::unique_ptr Server::Create(Display* display) { std::unique_ptr server(new Server(display)); char* runtime_dir = getenv("XDG_RUNTIME_DIR"); if (!runtime_dir) { LOG(ERROR) << "XDG_RUNTIME_DIR not set in the environment"; return nullptr; } if (!server->AddSocket(kSocketName)) { LOG(ERROR) << "Failed to add socket: " << kSocketName; return nullptr; } base::FilePath socket_path = base::FilePath(runtime_dir).Append(kSocketName); // Change permissions on the socket. struct group wayland_group; struct group* wayland_group_res = nullptr; char buf[10000]; if (HANDLE_EINTR(getgrnam_r(kWaylandSocketGroup, &wayland_group, buf, sizeof(buf), &wayland_group_res)) < 0) { PLOG(ERROR) << "getgrnam_r"; return nullptr; } if (wayland_group_res) { if (HANDLE_EINTR(chown(socket_path.MaybeAsASCII().c_str(), -1, wayland_group.gr_gid)) < 0) { PLOG(ERROR) << "chown"; return nullptr; } } else { LOG(WARNING) << "Group '" << kWaylandSocketGroup << "' not found"; } if (!base::SetPosixFilePermissions(socket_path, 0660)) { PLOG(ERROR) << "Could not set permissions: " << socket_path.value(); return nullptr; } return server; } bool Server::AddSocket(const std::string name) { DCHECK(!name.empty()); return !wl_display_add_socket(wl_display_.get(), name.c_str()); } int Server::GetFileDescriptor() const { wl_event_loop* event_loop = wl_display_get_event_loop(wl_display_.get()); DCHECK(event_loop); return wl_event_loop_get_fd(event_loop); } void Server::Dispatch(base::TimeDelta timeout) { wl_event_loop* event_loop = wl_display_get_event_loop(wl_display_.get()); DCHECK(event_loop); wl_event_loop_dispatch(event_loop, timeout.InMilliseconds()); } void Server::Flush() { wl_display_flush_clients(wl_display_.get()); } } // namespace wayland } // namespace exo