Re-land:

chrome/browser/ui/views/tab_contents/tab_contents_view_gtk.h

-// Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
-#define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
-#pragma once
-
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "content/browser/tab_contents/tab_contents_view.h"
-#include "ui/gfx/size.h"
-#include "views/widget/widget_gtk.h"
-
-class ConstrainedWindowGtk;
-typedef struct _GtkFloatingContainer GtkFloatingContainer;
-class RenderViewContextMenuViews;
-class SadTabView;
-class SkBitmap;
-class TabContentsDragSource;
-class WebDragDestGtk;
-namespace gfx {
-class Point;
-}
-namespace views {
-class NativeViewHost;
-}
-
-// Gtk-specific implementation of the TabContentsView for the views-based front
-// end. It is a WidgetGtk that contains all of the contents of the tab and
-// associated child views.
-class TabContentsViewGtk : public TabContentsView,
-                           public views::WidgetGtk {
- 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.
-  explicit TabContentsViewGtk(TabContents* tab_contents);
-  virtual ~TabContentsViewGtk();
-
-  // Unlike Windows, ConstrainedWindows need to collaborate with the
-  // TabContentsViewGtk to position the dialogs.
-  void AttachConstrainedWindow(ConstrainedWindowGtk* constrained_window);
-  void RemoveConstrainedWindow(ConstrainedWindowGtk* constrained_window);
-
-  gboolean OnMouseMove(GtkWidget* widget, GdkEventMotion* event);
-
-  // TabContentsView implementation --------------------------------------------
-
-  virtual void CreateView(const gfx::Size& initial_size);
-  virtual RenderWidgetHostView* CreateViewForWidget(
-      RenderWidgetHost* render_widget_host);
-  virtual gfx::NativeView GetNativeView() const;
-  virtual gfx::NativeView GetContentNativeView() const;
-  virtual gfx::NativeWindow GetTopLevelNativeWindow() const;
-  virtual void GetContainerBounds(gfx::Rect* out) const;
-  virtual void SetPageTitle(const std::wstring& title);
-  virtual void OnTabCrashed(base::TerminationStatus status,
-                            int error_code);
-  virtual void SizeContents(const gfx::Size& size);
-  virtual void Focus();
-  virtual void SetInitialFocus();
-  virtual void StoreFocus();
-  virtual void RestoreFocus();
-  virtual void GetViewBounds(gfx::Rect* out) const;
-
-  // Backend implementation of RenderViewHostDelegate::View.
-  virtual void ShowContextMenu(const ContextMenuParams& params);
-  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);
-  virtual void StartDragging(const WebDropData& drop_data,
-                             WebKit::WebDragOperationsMask ops_allowed,
-                             const SkBitmap& image,
-                             const gfx::Point& image_offset);
-  virtual void UpdateDragCursor(WebKit::WebDragOperation operation);
-  virtual void GotFocus();
-  virtual void TakeFocus(bool reverse);
-
- private:
-  // Signal handlers -----------------------------------------------------------
-
-  // Overridden from views::WidgetGtk:
-  virtual gboolean OnButtonPress(GtkWidget* widget, GdkEventButton* event);
-  virtual void OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation);
-  virtual gboolean OnPaint(GtkWidget* widget, GdkEventExpose* event);
-  virtual void OnShow(GtkWidget* widget);
-  virtual void OnHide(GtkWidget* widget);
-
-  // Handles notifying the TabContents and other operations when the window was
-  // shown or hidden.
-  void WasHidden();
-  void WasShown();
-
-  // Handles resizing of the contents. This will notify the RenderWidgetHostView
-  // of the change, reposition popups, and the find in page bar.
-  void WasSized(const gfx::Size& size);
-
-  // For any floating views (ConstrainedDialogs) this function centers them
-  // within this view. It's called whem a ConstrainedDialog is attached and
-  // when this view is resized.
-  void SetFloatingPosition(const gfx::Size& size);
-
-  // ---------------------------------------------------------------------------
-
-  // Used to render the sad tab. This will be non-NULL only when the sad tab is
-  // visible.
-  SadTabView* sad_tab_;
-
-  // Whether to ignore the next CHAR keyboard event.
-  bool ignore_next_char_event_;
-
-  // The id used in the ViewStorage to store the last focused view.
-  int last_focused_view_storage_id_;
-
-  // The context menu. Callbacks are asynchronous so we need to keep it around.
-  scoped_ptr<RenderViewContextMenuViews> context_menu_;
-
-  // Handles drags from this TabContentsView.
-  scoped_ptr<TabContentsDragSource> drag_source_;
-
-  // The event for the last mouse down we handled. We need this for drags.
-  GdkEventButton last_mouse_down_;
-
-  // The helper object that handles drag destination related interactions with
-  // GTK.
-  scoped_ptr<WebDragDestGtk> drag_dest_;
-
-  // Current size. See comment in WidgetGtk as to why this is cached.
-  gfx::Size size_;
-
-  // Each individual UI for constrained dialogs currently displayed. The
-  // objects in this vector are owned by the TabContents, not the view.
-  std::vector<ConstrainedWindowGtk*> constrained_windows_;
-
-  DISALLOW_COPY_AND_ASSIGN(TabContentsViewGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_