Move AWakeLock from foundation to libmediaplayerservice
This removes libpowermanager dependency from libstagefright_foundation.
AWakeLock is being used only in libmediaplayerservice.
Test: build
Bug: 65851881
Change-Id: I1a34210f66fd4fdc30b7aa6467b642fd99b71731
diff --git a/media/libmediaplayerservice/nuplayer/AWakeLock.cpp b/media/libmediaplayerservice/nuplayer/AWakeLock.cpp
new file mode 100644
index 0000000..684ba2e
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/AWakeLock.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "AWakeLock"
+#include <utils/Log.h>
+
+#include "AWakeLock.h"
+
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <powermanager/PowerManager.h>
+
+
+namespace android {
+
+AWakeLock::AWakeLock() :
+ mPowerManager(NULL),
+ mWakeLockToken(NULL),
+ mWakeLockCount(0),
+ mDeathRecipient(new PMDeathRecipient(this)) {}
+
+AWakeLock::~AWakeLock() {
+ if (mPowerManager != NULL) {
+ sp<IBinder> binder = IInterface::asBinder(mPowerManager);
+ binder->unlinkToDeath(mDeathRecipient);
+ }
+ clearPowerManager();
+}
+
+bool AWakeLock::acquire() {
+ if (mWakeLockCount == 0) {
+ CHECK(mWakeLockToken == NULL);
+ if (mPowerManager == NULL) {
+ // use checkService() to avoid blocking if power service is not up yet
+ sp<IBinder> binder =
+ defaultServiceManager()->checkService(String16("power"));
+ if (binder == NULL) {
+ ALOGW("could not get the power manager service");
+ } else {
+ mPowerManager = interface_cast<IPowerManager>(binder);
+ binder->linkToDeath(mDeathRecipient);
+ }
+ }
+ if (mPowerManager != NULL) {
+ sp<IBinder> binder = new BBinder();
+ int64_t token = IPCThreadState::self()->clearCallingIdentity();
+ status_t status = mPowerManager->acquireWakeLock(
+ POWERMANAGER_PARTIAL_WAKE_LOCK,
+ binder, String16("AWakeLock"), String16("media"));
+ IPCThreadState::self()->restoreCallingIdentity(token);
+ if (status == NO_ERROR) {
+ mWakeLockToken = binder;
+ mWakeLockCount++;
+ return true;
+ }
+ }
+ } else {
+ mWakeLockCount++;
+ return true;
+ }
+ return false;
+}
+
+void AWakeLock::release(bool force) {
+ if (mWakeLockCount == 0) {
+ return;
+ }
+ if (force) {
+ // Force wakelock release below by setting reference count to 1.
+ mWakeLockCount = 1;
+ }
+ if (--mWakeLockCount == 0) {
+ CHECK(mWakeLockToken != NULL);
+ if (mPowerManager != NULL) {
+ int64_t token = IPCThreadState::self()->clearCallingIdentity();
+ mPowerManager->releaseWakeLock(mWakeLockToken, 0 /* flags */);
+ IPCThreadState::self()->restoreCallingIdentity(token);
+ }
+ mWakeLockToken.clear();
+ }
+}
+
+void AWakeLock::clearPowerManager() {
+ release(true);
+ mPowerManager.clear();
+}
+
+void AWakeLock::PMDeathRecipient::binderDied(const wp<IBinder>& who __unused) {
+ if (mWakeLock != NULL) {
+ mWakeLock->clearPowerManager();
+ }
+}
+
+} // namespace android