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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_CHROME_KEYBOARD_UI_H_
#define CHROME_BROWSER_UI_ASH_CHROME_KEYBOARD_UI_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/keyboard/content/keyboard_ui_content.h"
namespace content {
class BrowserContext;
class WebContents;
}
namespace extensions {
class ExtensionFunctionDispatcher;
class WindowController;
}
namespace gfx {
class Rect;
}
namespace keyboard {
class KeyboardController;
class KeyboardControllerObserver;
}
namespace ui {
class InputMethod;
}
// Subclass of KeyboardUIContent. It is used by KeyboardController to get
// access to the virtual keyboard window and setup Chrome extension functions.
class ChromeKeyboardUI : public keyboard::KeyboardUIContent,
public content::WebContentsObserver {
public:
explicit ChromeKeyboardUI(content::BrowserContext* context);
~ChromeKeyboardUI() override;
// keyboard::KeyboardUIContent overrides
bool ShouldWindowOverscroll(aura::Window* window) const override;
private:
// keyboard::KeyboardUIContent overrides
ui::InputMethod* GetInputMethod() override;
void RequestAudioInput(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) override;
void SetupWebContents(content::WebContents* contents) override;
void SetController(keyboard::KeyboardController* controller) override;
void ShowKeyboardContainer(aura::Window* container) 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.
void SetUpdateInputType(ui::TextInputType type) override;
// content::WebContentsObserver overrides
void RenderViewCreated(content::RenderViewHost* render_view_host) override;
scoped_ptr<keyboard::KeyboardControllerObserver> observer_;
DISALLOW_COPY_AND_ASSIGN(ChromeKeyboardUI);
};
#endif // CHROME_BROWSER_UI_ASH_CHROME_KEYBOARD_UI_H_
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