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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 UI_KEYBOARD_KEYBOARD_CONTROLLER_PROXY_H_
#define UI_KEYBOARD_KEYBOARD_CONTROLLER_PROXY_H_
#include "base/memory/scoped_ptr.h"
#include "ui/keyboard/keyboard_export.h"
namespace aura {
class Window;
}
namespace content {
class BrowserContext;
class SiteInstance;
class WebContents;
}
namespace gfx {
class Rect;
}
namespace ui {
class InputMethod;
}
namespace keyboard {
// A proxy used by the KeyboardController to get access to the virtual
// keyboard window.
class KEYBOARD_EXPORT KeyboardControllerProxy {
public:
KeyboardControllerProxy();
virtual ~KeyboardControllerProxy();
// Gets the virtual keyboard window. Ownership of the returned Window remains
// with the proxy.
virtual aura::Window* GetKeyboardWindow();
// Gets the InputMethod that will provide notifications about changes in the
// text input context.
virtual ui::InputMethod* GetInputMethod() = 0;
// Shows the container window of the keyboard. The default implementation
// simply shows the container. An overridden implementation can set up
// necessary animation, or delay the visibility change as it desires.
virtual void ShowKeyboardContainer(aura::Window* container);
// Hides the container window of the keyboard. The default implementation
// simply hides the container. An overridden implementation can set up
// necesasry animation, or delay the visibility change as it desires.
virtual void HideKeyboardContainer(aura::Window* container);
protected:
// Gets the BrowserContext to use for creating the WebContents hosting the
// keyboard.
virtual content::BrowserContext* GetBrowserContext() = 0;
// The implementation can choose to setup the WebContents before the virtual
// keyboard page is loaded (e.g. install a WebContentsObserver).
// SetupWebContents() is called right after creating the WebContents, before
// loading the keyboard page.
virtual void SetupWebContents(content::WebContents* contents);
private:
scoped_ptr<content::WebContents> keyboard_contents_;
DISALLOW_COPY_AND_ASSIGN(KeyboardControllerProxy);
};
} // namespace keyboard
#endif // UI_KEYBOARD_KEYBOARD_CONTROLLER_PROXY_H_
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