content: Split off ChromeTabContentsViewGtk from TabContentsViewGtk. This new

chrome/browser/tab_contents/chrome_tab_contents_view_wrapper_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_TAB_CONTENTS_CHROME_TAB_CONTENTS_VIEW_WRAPPER_GTK_H_
+#define CHROME_BROWSER_TAB_CONTENTS_CHROME_TAB_CONTENTS_VIEW_WRAPPER_GTK_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/tab_contents/tab_contents_view_wrapper_gtk.h"
+#include "ui/base/gtk/gtk_signal.h"
+#include "ui/base/gtk/owned_widget_gtk.h"
+
+class ConstrainedWindowGtk;
+class RenderViewContextMenuGtk;
+class TabContents;
+class WebDragBookmarkHandlerGtk;
+
+// A chrome/ specific class that extends TabContentsViewGtk with features like
+// constrained windows, which live in chrome/.
+class ChromeTabContentsViewWrapperGtk : public TabContentsViewWrapperGtk {
+ public:
+  ChromeTabContentsViewWrapperGtk();
+  virtual ~ChromeTabContentsViewWrapperGtk();
+
+  // Unlike Windows, ConstrainedWindows need to collaborate with the
+  // TabContentsViewGtk to position the dialogs.
+  void AttachConstrainedWindow(ConstrainedWindowGtk* constrained_window);
+  void RemoveConstrainedWindow(ConstrainedWindowGtk* constrained_window);
+
+  // Overridden from TabContentsViewGtkWrapper:
+  virtual void WrapView(TabContentsViewGtk* view) OVERRIDE;
+  virtual gfx::NativeView GetNativeView() const OVERRIDE;
+  virtual void OnCreateViewForWidget() OVERRIDE;
+  virtual void Focus() OVERRIDE;
+  virtual gboolean OnNativeViewFocusEvent(GtkWidget* widget,
+                                          GtkDirectionType type,
+                                          gboolean* return_value) OVERRIDE;
+  virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE;
+
+ private:
+  // Sets the location of the constrained windows.
+  CHROMEGTK_CALLBACK_1(ChromeTabContentsViewWrapperGtk, void,
+                       OnSetFloatingPosition,
+                       GtkAllocation*);
+
+  // Contains |expanded_| as its GtkBin member.
+  ui::OwnedWidgetGtk floating_;
+
+  // Our owner. Also owns our child widgets.
+  TabContentsViewGtk* view_;
+
+  // The UI for the constrained dialog currently displayed. This is owned by
+  // TabContents, not the view.
+  ConstrainedWindowGtk* constrained_window_;
+
+  // The context menu is reset every time we show it, but we keep a pointer to
+  // between uses so that it won't go out of scope before we're done with it.
+  scoped_ptr<RenderViewContextMenuGtk> context_menu_;
+
+  // The chrome specific delegate that receives events from WebDragDestGtk.
+  scoped_ptr<WebDragBookmarkHandlerGtk> bookmark_handler_gtk_;
+};
+
+#endif  // CHROME_BROWSER_TAB_CONTENTS_CHROME_TAB_CONTENTS_VIEW_WRAPPER_GTK_H_