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// Copyright 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 CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_INPUT_EVENT_FILTER_H_
#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_INPUT_EVENT_FILTER_H_
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "content/port/common/input_event_ack_state.h"
#include "content/renderer/gpu/input_handler_manager_client.h"
#include "ui/gfx/vector2d_f.h"
namespace WebKit {
class WebInputEvent;
}
namespace content {
// This class perform synchronous, in-process InputEvent handling.
//
// The provided |handler| process WebInputEvents synchronously on the merged
// UI and compositing thread. If the event goes unhandled, that is reflected in
// the InputEventAckState; no forwarding is performed.
class SynchronousInputEventFilter : public InputHandlerManagerClient {
public:
SynchronousInputEventFilter();
virtual ~SynchronousInputEventFilter();
InputEventAckState HandleInputEvent(int routing_id,
const WebKit::WebInputEvent& input_event);
// InputHandlerManagerClient implementation.
virtual void SetBoundHandler(const Handler& handler) OVERRIDE;
virtual void DidAddInputHandler(int routing_id,
cc::InputHandler* input_handler) OVERRIDE;
virtual void DidRemoveInputHandler(int routing_id) OVERRIDE;
virtual void DidOverscroll(int routing_id,
const cc::DidOverscrollParams& params) OVERRIDE;
private:
void SetBoundHandlerOnUIThread(const Handler& handler);
Handler handler_;
};
} // namespace content
#endif // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_INPUT_EVENT_FILTER_H_
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