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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 A_LOOPER_ROSTER_H_
#define A_LOOPER_ROSTER_H_
#include <media/stagefright/foundation/ALooper.h>
#include <utils/KeyedVector.h>
namespace android {
struct ALooperRoster {
ALooperRoster();
ALooper::handler_id registerHandler(
const sp<ALooper> looper, const sp<AHandler> &handler);
void unregisterHandler(ALooper::handler_id handlerID);
void unregisterStaleHandlers();
status_t postMessage(const sp<AMessage> &msg, int64_t delayUs = 0);
void deliverMessage(const sp<AMessage> &msg);
status_t postAndAwaitResponse(
const sp<AMessage> &msg, sp<AMessage> *response);
void postReply(uint32_t replyID, const sp<AMessage> &reply);
sp<ALooper> findLooper(ALooper::handler_id handlerID);
private:
struct HandlerInfo {
wp<ALooper> mLooper;
wp<AHandler> mHandler;
};
Mutex mLock;
KeyedVector<ALooper::handler_id, HandlerInfo> mHandlers;
ALooper::handler_id mNextHandlerID;
uint32_t mNextReplyID;
Condition mRepliesCondition;
KeyedVector<uint32_t, sp<AMessage> > mReplies;
status_t postMessage_l(const sp<AMessage> &msg, int64_t delayUs);
DISALLOW_EVIL_CONSTRUCTORS(ALooperRoster);
};
} // namespace android
#endif // A_LOOPER_ROSTER_H_
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