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// Copyright 2016 The Cobalt Authors. 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_H5VCC_H5VCC_RUNTIME_EVENT_TARGET_H_
#define COBALT_H5VCC_H5VCC_RUNTIME_EVENT_TARGET_H_
#include <vector>
#include "base/callback.h"
#include "base/message_loop/message_loop.h"
#include "base/synchronization/lock.h"
#include "cobalt/h5vcc/h5vcc_event_listener_container.h"
#include "cobalt/script/callback_function.h"
#include "cobalt/script/script_value.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace h5vcc {
// This class implements the onPause attribute of the h5vcc.runtime protocol,
// modeled after the events in Chrome's runtime extension, e.g.
// https://developer.chrome.com/apps/runtime#event-onSuspend
class H5vccRuntimeEventTarget : public script::Wrappable {
public:
// Type for JavaScript event callback.
typedef script::CallbackFunction<void()> H5vccRuntimeEventCallback;
typedef script::ScriptValue<H5vccRuntimeEventCallback>
H5vccRuntimeEventCallbackHolder;
H5vccRuntimeEventTarget();
// Called from JavaScript to register an event listener callback.
// May be called from any thread.
void AddListener(const H5vccRuntimeEventCallbackHolder& callback_holder);
// Dispatches an event to the registered listeners.
// May be called from any thread.
void DispatchEvent();
DEFINE_WRAPPABLE_TYPE(H5vccRuntimeEventTarget);
private:
H5vccEventListenerContainer<void, H5vccRuntimeEventCallback> listeners_;
DISALLOW_COPY_AND_ASSIGN(H5vccRuntimeEventTarget);
};
} // namespace h5vcc
} // namespace cobalt
#endif // COBALT_H5VCC_H5VCC_RUNTIME_EVENT_TARGET_H_