Draggable region support for frameless app window on Windows.

chrome/browser/ui/views/extensions/shell_window_views.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 CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_
 
 #include "chrome/browser/ui/extensions/shell_window.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/scoped_sk_region.h"
@@ skipping 27 matching lines @@
   virtual gfx::Rect GetBounds() const OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void ShowInactive() OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void Activate() OVERRIDE;
   virtual void Deactivate() OVERRIDE;
   virtual void Maximize() OVERRIDE;
   virtual void Minimize() OVERRIDE;
   virtual void Restore() OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
-  virtual void SetDraggableRegion(SkRegion* region) OVERRIDE;
   virtual void FlashFrame(bool flash) OVERRIDE;
   virtual bool IsAlwaysOnTop() const OVERRIDE;
 
   // WidgetDelegate implementation.
   virtual views::View* GetContentsView() OVERRIDE;
   virtual views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
   virtual views::Widget* GetWidget() OVERRIDE;
   virtual const views::Widget* GetWidget() const OVERRIDE;
   virtual string16 GetWindowTitle() const OVERRIDE;
   virtual void DeleteDelegate() OVERRIDE;
   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
 
+  bool frameless() const { return frameless_; }
+  SkRegion* draggable_region() { return draggable_region_.Get(); }

[Ben Goodger (Google), 2012/08/07 18:03:52]

move these above the interface impls above.

[jianli, 2012/08/07 20:38:06]

Done.

+
  protected:
   // views::View implementation.
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       bool is_add, views::View *parent, views::View *child) OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual gfx::Size GetMaximumSize() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
 
   // ShellWindow implementation.
   virtual void UpdateWindowTitle() OVERRIDE;
   virtual void SetFullscreen(bool fullscreen) OVERRIDE;
   virtual bool IsFullscreenOrPending() const OVERRIDE;
 
  private:
   friend class ShellWindowFrameView;
 
   virtual ~ShellWindowViews();
 
+  // content::WebContentsDelegate implementation.
+  virtual void UpdateDraggableRegions(
+      const std::vector<content::DraggableRegion>& regions) OVERRIDE;
+
   void OnViewWasResized();
 
   views::WebView* web_view_;
   views::Widget* window_;
   bool is_fullscreen_;
 
-  gfx::ScopedSkRegion caption_region_;
+  gfx::ScopedSkRegion draggable_region_;
 
-  bool use_custom_frame_;
+  bool frameless_;
   gfx::Size minimum_size_;
   gfx::Size maximum_size_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindowViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_