/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** General Public License version 3 as published by the Free Software
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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****************************************************************************/

#ifndef WEB_CONTENTS_VIEW_QT_H
#define WEB_CONTENTS_VIEW_QT_H

#include "content/browser/renderer_host/render_view_host_delegate_view.h"
#include "content/browser/web_contents/web_contents_view.h"

#include "api/qtwebenginecoreglobal_p.h"

namespace content {
class WebContents;
}

namespace QtWebEngineCore {
class WebContentsAdapterClient;

class WebContentsViewQt
    : public content::WebContentsView
    , public content::RenderViewHostDelegateView
{
public:
    static inline WebContentsViewQt *from(WebContentsView *view) { return static_cast<WebContentsViewQt*>(view); }

    WebContentsViewQt(content::WebContents* webContents)
        : m_webContents(webContents)
        , m_client(nullptr)
        , m_factoryClient(nullptr)
        , m_allowOtherViews(false)
    { }

    void initialize(WebContentsAdapterClient* client);
    WebContentsAdapterClient *client() { return m_client; }

    // content::WebContentsView overrides:
    content::RenderWidgetHostViewBase *CreateViewForWidget(content::RenderWidgetHost* render_widget_host, bool is_guest_view_hack) override;

    void CreateView(const gfx::Size& initial_size, gfx::NativeView context) override;

    content::RenderWidgetHostViewBase* CreateViewForPopupWidget(content::RenderWidgetHost* render_widget_host) override;

    void SetPageTitle(const base::string16& title) override { }

    void RenderViewCreated(content::RenderViewHost* host) override { }

    void RenderViewReady() override { }

    void RenderViewHostChanged(content::RenderViewHost*, content::RenderViewHost*) override { }

    void SetOverscrollControllerEnabled(bool enabled) override { QT_NOT_YET_IMPLEMENTED }

    gfx::NativeView GetNativeView() const override;

    gfx::NativeView GetContentNativeView() const override { QT_NOT_USED return 0; }

    gfx::NativeWindow GetTopLevelNativeWindow() const override { QT_NOT_USED return 0; }

    void GetContainerBounds(gfx::Rect* out) const override;

    void SizeContents(const gfx::Size& size) override { QT_NOT_YET_IMPLEMENTED }

    void Focus() override;

    void SetInitialFocus() override;

    void StoreFocus() override { QT_NOT_USED }

    void RestoreFocus() override { QT_NOT_USED }

    content::DropData* GetDropData() const override { QT_NOT_YET_IMPLEMENTED return nullptr; }

    gfx::Rect GetViewBounds() const override { QT_NOT_YET_IMPLEMENTED return gfx::Rect(); }

    void FocusThroughTabTraversal(bool reverse) override;

#if defined(OS_MACOSX)
    void SetAllowOtherViews(bool allow) override { m_allowOtherViews = allow; }
    bool GetAllowOtherViews() const override { return m_allowOtherViews; }
    void CloseTabAfterEventTracking() override { QT_NOT_YET_IMPLEMENTED }
    bool IsEventTracking() const override { QT_NOT_YET_IMPLEMENTED; return false; }
#endif // defined(OS_MACOSX)

    // content::RenderViewHostDelegateView overrides:
    void StartDragging(const content::DropData& drop_data, blink::WebDragOperationsMask allowed_ops,
                       const gfx::ImageSkia& image, const gfx::Vector2d& image_offset,
                       const content::DragEventSourceInfo& event_info,
                       content::RenderWidgetHostImpl* source_rwh) override;

    void UpdateDragCursor(blink::WebDragOperation dragOperation) override;

    void ShowContextMenu(content::RenderFrameHost *, const content::ContextMenuParams &params) override;

    void GotFocus(content::RenderWidgetHostImpl *render_widget_host) override;
    void LostFocus(content::RenderWidgetHostImpl *render_widget_host) override;
    void TakeFocus(bool reverse) override;

private:
    content::WebContents *m_webContents;
    WebContentsAdapterClient *m_client;
    WebContentsAdapterClient *m_factoryClient;
    bool m_allowOtherViews;
};

} // namespace QtWebEngineCore

#endif // WEB_CONTENTS_VIEW_QT_H