71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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* Copyright (C) 2015 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 <nativepower/wake_lock.h>
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#include <base/logging.h>
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#include <binderwrapper/binder_wrapper.h>
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#include <nativepower/power_manager_client.h>
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#include <powermanager/IPowerManager.h>
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#include <powermanager/PowerManager.h>
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namespace android {
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WakeLock::WakeLock(const std::string& tag,
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const std::string& package,
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PowerManagerClient* client)
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: acquired_lock_(false),
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tag_(tag),
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package_(package),
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client_(client) {
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DCHECK(client_);
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}
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WakeLock::~WakeLock() {
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sp<IPowerManager> power_manager = client_->power_manager();
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if (acquired_lock_ && power_manager.get()) {
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status_t status =
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power_manager->releaseWakeLock(lock_binder_, 0 /* flags */);
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if (status != OK) {
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LOG(ERROR) << "Wake lock release request for \"" << tag_ << "\" failed "
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<< "with status " << status;
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}
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}
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}
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bool WakeLock::Init() {
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sp<IPowerManager> power_manager = client_->power_manager();
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if (!power_manager.get()) {
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LOG(ERROR) << "Can't acquire wake lock for \"" << tag_ << "\"; no "
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<< "connection to power manager";
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return false;
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}
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lock_binder_ = BinderWrapper::Get()->CreateLocalBinder();
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status_t status = power_manager->acquireWakeLock(
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POWERMANAGER_PARTIAL_WAKE_LOCK,
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lock_binder_, String16(tag_.c_str()), String16(package_.c_str()));
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if (status != OK) {
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LOG(ERROR) << "Wake lock acquire request for \"" << tag_ << "\" failed "
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<< "with status " << status;
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return false;
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}
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acquired_lock_ = true;
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return true;
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}
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} // namespace android
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