TabContents -> WebContentsImpl, part 5.

content/browser/tab_contents/tab_contents_view_gtk.h

-// Copyright (c) 2012 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.
-
-#ifndef CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
-#define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "content/browser/tab_contents/tab_contents_view_helper.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/web_contents_view.h"
-#include "ui/base/gtk/focus_store_gtk.h"
-#include "ui/base/gtk/gtk_signal.h"
-#include "ui/base/gtk/owned_widget_gtk.h"
-
-namespace content {
-
-class WebContentsViewDelegate;
-class WebDragDestDelegate;
-class WebDragDestGtk;
-class WebDragSourceGtk;
-
-class CONTENT_EXPORT TabContentsViewGtk : public WebContentsView {
- public:
-  // The corresponding TabContents is passed in the constructor, and manages
-  // our lifetime. This doesn't need to be the case, but is this way currently
-  // because that's what was easiest when they were split. We optionally take
-  // |wrapper| which creates an intermediary widget layer for features from the
-  // Embedding layer that lives with the WebContentsView.
-  TabContentsViewGtk(WebContentsImpl* web_contents,
-                     WebContentsViewDelegate* delegate);
-  virtual ~TabContentsViewGtk();
-
-  WebContentsViewDelegate* delegate() const { return delegate_.get(); }
-  WebContents* web_contents();
-
-  // WebContentsView implementation --------------------------------------------
-
-  virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
-  virtual content::RenderWidgetHostView* CreateViewForWidget(
-      content::RenderWidgetHost* render_widget_host) OVERRIDE;
-
-  virtual gfx::NativeView GetNativeView() const OVERRIDE;
-  virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
-  virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
-  virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE;
-  virtual void SetPageTitle(const string16& title) OVERRIDE;
-  virtual void OnTabCrashed(base::TerminationStatus status,
-                            int error_code) OVERRIDE;
-  virtual void SizeContents(const gfx::Size& size) OVERRIDE;
-  virtual void RenderViewCreated(content::RenderViewHost* host) OVERRIDE;
-  virtual void Focus() OVERRIDE;
-  virtual void SetInitialFocus() OVERRIDE;
-  virtual void StoreFocus() OVERRIDE;
-  virtual void RestoreFocus() OVERRIDE;
-  virtual bool IsDoingDrag() const OVERRIDE;
-  virtual void CancelDragAndCloseTab() OVERRIDE;
-  virtual bool IsEventTracking() const OVERRIDE;
-  virtual void CloseTabAfterEventTracking() OVERRIDE;
-  virtual void GetViewBounds(gfx::Rect* out) const OVERRIDE;
-
-  // Backend implementation of RenderViewHostDelegate::View.
-  virtual void CreateNewWindow(
-      int route_id,
-      const ViewHostMsg_CreateWindow_Params& params) OVERRIDE;
-  virtual void CreateNewWidget(int route_id,
-                               WebKit::WebPopupType popup_type) OVERRIDE;
-  virtual void CreateNewFullscreenWidget(int route_id) OVERRIDE;
-  virtual void ShowCreatedWindow(int route_id,
-                                 WindowOpenDisposition disposition,
-                                 const gfx::Rect& initial_pos,
-                                 bool user_gesture) OVERRIDE;
-  virtual void ShowCreatedWidget(int route_id,
-                                 const gfx::Rect& initial_pos) OVERRIDE;
-  virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE;
-  virtual void ShowContextMenu(
-      const content::ContextMenuParams& params) OVERRIDE;
-  virtual void ShowPopupMenu(const gfx::Rect& bounds,
-                             int item_height,
-                             double item_font_size,
-                             int selected_item,
-                             const std::vector<WebMenuItem>& items,
-                             bool right_aligned) OVERRIDE;
-  virtual void StartDragging(const WebDropData& drop_data,
-                             WebKit::WebDragOperationsMask allowed_ops,
-                             const SkBitmap& image,
-                             const gfx::Point& image_offset) OVERRIDE;
-  virtual void UpdateDragCursor(WebKit::WebDragOperation operation) OVERRIDE;
-  virtual void GotFocus() OVERRIDE;
-  virtual void TakeFocus(bool reverse) OVERRIDE;
-
- private:
-  // Insert the given widget into the content area. Should only be used for
-  // web pages and the like (including interstitials and sad tab). Note that
-  // this will be perfectly happy to insert overlapping render views, so care
-  // should be taken that the correct one is hidden/shown.
-  void InsertIntoContentArea(GtkWidget* widget);
-
-  // Handle focus traversal on the render widget native view. Can be overridden
-  // by subclasses.
-  CHROMEGTK_CALLBACK_1(TabContentsViewGtk, gboolean, OnFocus, GtkDirectionType);
-
-  // Used to adjust the size of its children when the size of |expanded_| is
-  // changed.
-  CHROMEGTK_CALLBACK_2(TabContentsViewGtk, void, OnChildSizeRequest,
-                       GtkWidget*, GtkRequisition*);
-
-  // Used to propagate the size change of |expanded_| to our RWHV to resize the
-  // renderer content.
-  CHROMEGTK_CALLBACK_1(TabContentsViewGtk, void, OnSizeAllocate,
-                       GtkAllocation*);
-
-  // The WebContentsImpl whose contents we display.
-  WebContentsImpl* tab_contents_;
-
-  // Common implementations of some WebContentsView methods.
-  TabContentsViewHelper tab_contents_view_helper_;
-
-  // This container holds the tab's web page views. It is a GtkExpandedContainer
-  // so that we can control the size of the web pages.
-  ui::OwnedWidgetGtk expanded_;
-
-  ui::FocusStoreGtk focus_store_;
-
-  // The helper object that handles drag destination related interactions with
-  // GTK.
-  scoped_ptr<WebDragDestGtk> drag_dest_;
-
-  // Object responsible for handling drags from the page for us.
-  scoped_ptr<WebDragSourceGtk> drag_source_;
-
-  // Our optional views wrapper. If non-NULL, we return this widget as our
-  // GetNativeView() and insert |expanded_| as its child in the GtkWidget
-  // hierarchy.
-  scoped_ptr<WebContentsViewDelegate> delegate_;
-
-  // The size we want the tab contents view to be.  We keep this in a separate
-  // variable because resizing in GTK+ is async.
-  gfx::Size requested_size_;
-
-  DISALLOW_COPY_AND_ASSIGN(TabContentsViewGtk);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_