Draggable region support for frameless app window on Windows.

chrome/browser/ui/extensions/shell_window.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_EXTENSIONS_SHELL_WINDOW_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/base_window.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/console_message_level.h"
 #include "ui/gfx/rect.h"
 
 class GURL;
 class Profile;
 class TabContents;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
 class WindowController;
+struct DraggableRegion;

[Ben Goodger (Google), 2012/08/07 20:45:27]

Is there an apps namespace that this can go into? Doesn't seem like this would
be relevant to extensions?

[jianli, 2012/08/07 20:48:15]

Unfortunately there is not an apps or related namespace for apps v2. For now, I
have to reuse extensions namespace.

 }
 
 // ShellWindow is the type of window used by platform apps. Shell windows
 // have a WebContents but none of the chrome of normal browser windows.
 class ShellWindow : public content::NotificationObserver,
                     public content::WebContentsDelegate,
                     public content::WebContentsObserver,
                     public ExtensionFunctionDispatcher::Delegate,
                     public BaseWindow {
  public:
@@ skipping 31 matching lines @@
 
   // Called when the title of the window changes.
   virtual void UpdateWindowTitle() {}
   // Sub-classes should call this to determine what the window's title is on
   // startup and from within UpdateWindowTitle().
   virtual string16 GetTitle() const;
 
   virtual void SetFullscreen(bool fullscreen) {}
   virtual bool IsFullscreenOrPending() const;
 
+  // Called when the draggable regions are changed.
+  virtual void UpdateDraggableRegions(
+      const std::vector<extensions::DraggableRegion>& regions) {}
+
   // Call to notify ShellRegistry and delete the window. Subclasses should
   // invoke this method instead of using "delete this".
   void OnNativeClose();
 
  private:
   // PlatformAppBrowserTest needs access to web_contents()
   friend class PlatformAppBrowserTest;
 
   // Instantiates a platform-specific ShellWindow subclass (one implementation
   // per platform). Public users of ShellWindow should use ShellWindow::Create.
@@ skipping 61 matching lines @@
   scoped_ptr<TabContents> contents_;
   // web_contents_ is owned by contents_.
   content::WebContents* web_contents_;
   content::NotificationRegistrar registrar_;
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_