/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "debug.h"
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#include "mq_thread.h"
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MessageBase::MessageBase()
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: MessageHandler() {
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}
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MessageBase::~MessageBase() {
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}
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void MessageBase::handleMessage(const android::Message&) {
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this->handler();
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android::Mutex::Autolock _l(mLock);
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mCondition.broadcast();
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}
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MessageQueueThread::MessageQueueThread() {
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mLooper = android::Looper::prepare(
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android::Looper::PREPARE_ALLOW_NON_CALLBACKS);
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}
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MessageQueueThread::~MessageQueueThread() {
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}
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int MessageQueueThread::postMessage(
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const android::sp<MessageBase>& messageHandler, nsecs_t delay)
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{
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const android::Message dummy;
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if (delay > 0) {
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mLooper->sendMessageDelayed(delay, messageHandler, dummy);
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} else {
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mLooper->sendMessage(messageHandler, dummy);
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}
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return 0;
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}
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void MessageQueueThread::waitMessage()
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{
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do {
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android::IPCThreadState::self()->flushCommands();
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int32_t ret = mLooper->pollOnce(-1);
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switch (ret) {
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case android::Looper::POLL_WAKE:
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case android::Looper::POLL_CALLBACK:
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continue;
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case android::Looper::POLL_ERROR:
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dd_error("Looper: poll error");
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continue;
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case android::Looper::POLL_TIMEOUT:
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continue;
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default:
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dd_error("Looper: pollOnce() return unknow status (%d)", ret);
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continue;
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}
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} while (true);
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}
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bool MessageQueueThread::threadLoop() {
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waitMessage();
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return true;
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}
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