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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_INPUT_KEY_REPEAT_FILTER_H_
#define COBALT_INPUT_KEY_REPEAT_FILTER_H_
#include <string>
#include "base/optional.h"
#include "base/timer.h"
#include "cobalt/dom/keyboard_event.h"
#include "cobalt/input/key_event_handler.h"
namespace cobalt {
namespace input {
class KeyRepeatFilter : public KeyEventHandler {
public:
explicit KeyRepeatFilter(const KeyboardEventCallback& callback);
explicit KeyRepeatFilter(KeyEventHandler* filter);
void HandleKeyboardEvent(
base::Token type, const dom::KeyboardEventInit& keyboard_event) OVERRIDE;
private:
void HandleKeyDown(base::Token type,
const dom::KeyboardEventInit& keyboard_event);
void HandleKeyUp(base::Token type,
const dom::KeyboardEventInit& keyboard_event);
void FireKeyRepeatEvent();
base::optional<dom::KeyboardEventInit> last_event_data_;
base::RepeatingTimer<KeyRepeatFilter> key_repeat_timer_;
};
} // namespace input
} // namespace cobalt
#endif // COBALT_INPUT_KEY_REPEAT_FILTER_H_