Splits TooltipManager so that it can be ported and stubs out the GTK...

views/widget/widget_win.h

 // Copyright (c) 2006-2008 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 VIEWS_WIDGET_WIDGET_WIN_H_
 #define VIEWS_WIDGET_WIDGET_WIN_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
 #include <atlmisc.h>
 
 #include "base/message_loop.h"
 #include "base/system_monitor.h"
 #include "views/focus/focus_manager.h"
 #include "views/layout_manager.h"
 #include "views/widget/widget.h"
 
 namespace gfx {
 class Canvas;
 class Rect;
 }
 
 namespace views {
 
 class RootView;
-class TooltipManager;
+class TooltipManagerWin;
 class DefaultThemeProvider;
 class Window;
 
 bool SetRootViewForHWND(HWND hwnd, RootView* root_view);
 RootView* GetRootViewForHWND(HWND hwnd);
 
 // A Windows message reflected from other windows. This message is sent
 // with the following arguments:
 // hWnd - Target window
 // uMsg - kReflectedMessage
@@ skipping 461 matching lines @@
   // is true.
   virtual bool ReleaseCaptureOnMouseReleased() { return true; }
 
   // Creates the RootView to be used within this Widget. Can be overridden to
   // create specialized RootView implementations.
   virtual RootView* CreateRootView();
 
   // Returns true if this WidgetWin is opaque.
   bool opaque() const { return opaque_; }
 
+  // The TooltipManager.
+  // WARNING: RootView's destructor calls into the TooltipManager. As such, this
+  // must be destroyed AFTER root_view_. This really only matters during
+  // WM_SESSIONEND, as normally the hwnd is destroyed which tiggers unsetting
+  // the widget in the RootView so that RootView's destructor doesn't call into
+  // the TooltipManager.
+  scoped_ptr<TooltipManagerWin> tooltip_manager_;
+
   // The root of the View hierarchy attached to this window.
+  // WARNING: see warning in tooltip_manager_ for ordering dependencies with
+  // this and tooltip_manager_.
   scoped_ptr<RootView> root_view_;
 
   // Whether or not we have capture the mouse.
   bool has_capture_;
 
   // If true, the mouse is currently down.
   bool is_mouse_down_;
 
-  scoped_ptr<TooltipManager> tooltip_manager_;
-
   // Are a subclass of WindowWin?
   bool is_window_;
 
  private:
   // Implementation of GetWindow. Ascends the parents of |hwnd| returning the
   // first ancestor that is a Window.
   static Window* GetWindowImpl(HWND hwnd);
 
   // Resize the bitmap used to contain the contents of the layered window. This
   // recreates the entire bitmap.
@@ skipping 85 matching lines @@
 
   scoped_ptr<DefaultThemeProvider> default_theme_provider_;
 
   // Our hwnd.
   HWND hwnd_;
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_WIDGET_WIDGET_WIN_H_