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// Copyright (c) 2013 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_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_
#define CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/web_contents_observer.h"
#include "extensions/browser/extension_function_dispatcher.h"
#include "ui/keyboard/keyboard_controller_proxy.h"
namespace content {
class WebContents;
}
namespace extensions {
class ExtensionFunctionDispatcher;
class WindowController;
}
namespace gfx {
class Rect;
}
namespace ui {
class InputMethod;
}
// Subclass of KeyboardControllerProxy. It is used by KeyboardController to get
// access to the virtual keyboard window and setup Chrome extension functions.
class AshKeyboardControllerProxy
: public keyboard::KeyboardControllerProxy,
public content::WebContentsObserver,
public extensions::ExtensionFunctionDispatcher::Delegate {
public:
AshKeyboardControllerProxy();
virtual ~AshKeyboardControllerProxy();
private:
void OnRequest(const ExtensionHostMsg_Request_Params& params);
// keyboard::KeyboardControllerProxy overrides
virtual content::BrowserContext* GetBrowserContext() OVERRIDE;
virtual ui::InputMethod* GetInputMethod() OVERRIDE;
virtual void RequestAudioInput(content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) OVERRIDE;
virtual void SetupWebContents(content::WebContents* contents) OVERRIDE;
virtual void ShowKeyboardContainer(aura::Window* container) OVERRIDE;
virtual void EnsureCaretInWorkArea() OVERRIDE;
// The overridden implementation dispatches
// chrome.virtualKeyboardPrivate.onTextInputBoxFocused event to extension to
// provide the input type information. Naturally, when the virtual keyboard
// extension is used as an IME then chrome.input.ime.onFocus provides the
// information, but not when the virtual keyboard is used in conjunction with
// another IME. virtualKeyboardPrivate.onTextInputBoxFocused is the remedy in
// that case.
virtual void SetUpdateInputType(ui::TextInputType type) OVERRIDE;
// extensions::ExtensionFunctionDispatcher::Delegate overrides
virtual extensions::WindowController* GetExtensionWindowController() const
OVERRIDE;
virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
// content::WebContentsObserver overrides
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
scoped_ptr<extensions::ExtensionFunctionDispatcher>
extension_function_dispatcher_;
DISALLOW_COPY_AND_ASSIGN(AshKeyboardControllerProxy);
};
#endif // CHROME_BROWSER_UI_ASH_ASH_KEYBOARD_CONTROLLER_PROXY_H_
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