API proposal for chrome.app.window to intercept all keys.

ui/views/widget/desktop_aura/desktop_window_tree_host_win.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
 
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 #include "ui/views/win/hwnd_message_handler_delegate.h"
 #include "ui/wm/public/animation_host.h"
 
 namespace aura {
 namespace client {
 class DragDropClient;
 class FocusClient;
 class ScopedTooltipDisabler;
 }
 }
 
 namespace views {
 class DesktopCursorClient;
 class DesktopDragDropClientWin;
+class DesktopKeyboardCaptureWin;
 class HWNDMessageHandler;
 
 namespace corewm {
 class TooltipWin;
 }
 
 class VIEWS_EXPORT DesktopWindowTreeHostWin
     : public DesktopWindowTreeHost,
       public aura::client::AnimationHost,
       public aura::WindowTreeHost,
@@ skipping 37 matching lines @@
   virtual void Activate() OVERRIDE;
   virtual void Deactivate() OVERRIDE;
   virtual bool IsActive() const OVERRIDE;
   virtual void Maximize() OVERRIDE;
   virtual void Minimize() OVERRIDE;
   virtual void Restore() OVERRIDE;
   virtual bool IsMaximized() const OVERRIDE;
   virtual bool IsMinimized() const OVERRIDE;
   virtual bool HasCapture() const OVERRIDE;
   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
+  virtual void SetInterceptAllKeys(bool want_all_keys) OVERRIDE;
   virtual bool IsAlwaysOnTop() const OVERRIDE;
   virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
   virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
   virtual void ClearNativeFocus() OVERRIDE;
   virtual Widget::MoveLoopResult RunMoveLoop(
       const gfx::Vector2d& drag_offset,
       Widget::MoveLoopSource source,
       Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
   virtual void EndMoveLoop() OVERRIDE;
   virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
@@ skipping 168 matching lines @@
   corewm::TooltipWin* tooltip_;
 
   // Visibility of the cursor. On Windows we can have multiple root windows and
   // the implementation of ::ShowCursor() is based on a counter, so making this
   // member static ensures that ::ShowCursor() is always called exactly once
   // whenever the cursor visibility state changes.
   static bool is_cursor_visible_;
 
   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 
+  // Maintain keyboard hook request.
+  scoped_ptr<DesktopKeyboardCaptureWin> keyboard_capture_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_