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 "content/public/browser/web_contents_observer.h"
  11 #include "ui/keyboard/keyboard_controller_proxy.h"
  12
  13 namespace content {
  14 class BrowserContext;
  15 class WebContents;
  16 }
  17 namespace extensions {
  18 class ExtensionFunctionDispatcher;
  19 class WindowController;
  20 }
  21 namespace gfx {
  22 class Rect;
  23 }
  24 namespace keyboard {
  25 class KeyboardController;
  26 class KeyboardControllerObserver;
  27 }
  28 namespace ui {
  29 class InputMethod;
  30 }
  31
  32 // Subclass of KeyboardControllerProxy. It is used by KeyboardController to get
  33 // access to the virtual keyboard window and setup Chrome extension functions.
  34 class AshKeyboardControllerProxy
  35     : public keyboard::KeyboardControllerProxy,
  36       public content::WebContentsObserver {
  37  public:
  38   explicit AshKeyboardControllerProxy(content::BrowserContext* context);
  39   ~AshKeyboardControllerProxy() override;
  40
  41  private:
  42   // keyboard::KeyboardControllerProxy overrides
  43   ui::InputMethod* GetInputMethod() override;
  44   void RequestAudioInput(
  45       content::WebContents* web_contents,
  46       const content::MediaStreamRequest& request,
  47       const content::MediaResponseCallback& callback) override;
  48   void SetupWebContents(content::WebContents* contents) override;
  49   void SetController(keyboard::KeyboardController* controller) override;
  50   void ShowKeyboardContainer(aura::Window* container) override;
  51
  52   // The overridden implementation dispatches
  53   // chrome.virtualKeyboardPrivate.onTextInputBoxFocused event to extension to
  54   // provide the input type information. Naturally, when the virtual keyboard
  55   // extension is used as an IME then chrome.input.ime.onFocus provides the
  56   // information, but not when the virtual keyboard is used in conjunction with
  57   // another IME. virtualKeyboardPrivate.onTextInputBoxFocused is the remedy in
  58   // that case.
  59   void SetUpdateInputType(ui::TextInputType type) override;
  60
  61   // content::WebContentsObserver overrides
  62   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
  63
  64   scoped_ptr<keyboard::KeyboardControllerObserver> observer_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(AshKeyboardControllerProxy);
  67 };
  68
  69 #endif  // CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_