chrome/browser/ui/ash/ash_keyboard_controller_proxy.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_
   6 #define CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chrome/browser/extensions/extension_function_dispatcher.h"
  11 #include "content/public/browser/web_contents_observer.h"
  12 #include "ui/compositor/layer_animation_observer.h"
  13 #include "ui/keyboard/keyboard_controller_proxy.h"
  14
  15 class ExtensionFunctionDispatcher;
  16
  17 namespace content {
  18 class WebContents;
  19 }
  20 namespace extensions {
  21 class WindowController;
  22 }
  23 namespace gfx {
  24 class Rect;
  25 }
  26 namespace ui {
  27 class InputMethod;
  28 }
  29
  30 // Subclass of KeyboardControllerProxy. It is used by KeyboardController to get
  31 // access to the virtual keyboard window and setup Chrome extension functions.
  32 class AshKeyboardControllerProxy
  33     : public keyboard::KeyboardControllerProxy,
  34       public content::WebContentsObserver,
  35       public ExtensionFunctionDispatcher::Delegate,
  36       public ui::LayerAnimationObserver {
  37  public:
  38   AshKeyboardControllerProxy();
  39   virtual ~AshKeyboardControllerProxy();
  40
  41  private:
  42   friend class AshKeyboardControllerProxyTest;
  43
  44   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  45
  46   // keyboard::KeyboardControllerProxy overrides
  47   virtual content::BrowserContext* GetBrowserContext() OVERRIDE;
  48   virtual ui::InputMethod* GetInputMethod() OVERRIDE;
  49   virtual void RequestAudioInput(content::WebContents* web_contents,
  50       const content::MediaStreamRequest& request,
  51       const content::MediaResponseCallback& callback) OVERRIDE;
  52   virtual void SetupWebContents(content::WebContents* contents) OVERRIDE;
  53   virtual void ShowKeyboardContainer(aura::Window* container) OVERRIDE;
  54   virtual void HideKeyboardContainer(aura::Window* container) OVERRIDE;
  55
  56   // The overridden implementation dispatches
  57   // chrome.virtualKeyboardPrivate.onTextInputBoxFocused event to extension to
  58   // provide the input type information. Naturally, when the virtual keyboard
  59   // extension is used as an IME then chrome.input.ime.onFocus provides the
  60   // information, but not when the virtual keyboard is used in conjunction with
  61   // another IME. virtualKeyboardPrivate.onTextInputBoxFocused is the remedy in
  62   // that case.
  63   virtual void SetUpdateInputType(ui::TextInputType type) OVERRIDE;
  64
  65   // ExtensionFunctionDispatcher::Delegate overrides
  66   virtual extensions::WindowController* GetExtensionWindowController() const
  67       OVERRIDE;
  68   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
  69
  70   // content::WebContentsObserver overrides
  71   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  72
  73   // ui::LayerAnimationObserver overrides
  74   virtual void OnLayerAnimationEnded(
  75       ui::LayerAnimationSequence* sequence) OVERRIDE;
  76   virtual void OnLayerAnimationAborted(
  77       ui::LayerAnimationSequence* sequence) OVERRIDE;
  78   virtual void OnLayerAnimationScheduled(
  79       ui::LayerAnimationSequence* sequence) OVERRIDE {}
  80
  81   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  82   // The keyboard container window for animation.
  83   aura::Window* animation_window_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(AshKeyboardControllerProxy);
  86 };
  87
  88 #endif  // CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_