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// Copyright 2015 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 COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_
#define COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_
#include "third_party/WebKit/public/web/WebTextInputInfo.h"
namespace blink {
class WebGestureEvent;
class WebWidget;
}
namespace mus {
class Window;
}
namespace html_viewer {
// This class is used by HTMLWidgetRootLocal and HTMLWidgetLocalRoot for
// handling IME related stuff.
class ImeController {
public:
ImeController(mus::Window* window, blink::WebWidget* widget);
~ImeController();
// Methods called by WebWidget overrides.
void ResetInputMethod();
void DidHandleGestureEvent(const blink::WebGestureEvent& event,
bool event_cancelled);
void DidUpdateTextOfFocusedElementByNonUserInput();
void ShowImeIfNeeded();
private:
// Update text input state from WebWidget to mus::Window. If the focused
// element is editable and |show_ime| is True, the software keyboard will be
// shown.
void UpdateTextInputState(bool show_ime);
// Not owned objects.
mus::Window* window_;
blink::WebWidget* widget_;
blink::WebTextInputInfo text_input_info_;
DISALLOW_COPY_AND_ASSIGN(ImeController);
};
} // namespace html_viewer
#endif // COMPONENTS_HTML_VIEWER_IME_CONTROLLER_H_
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