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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "IPowerManager"
     18 //#define LOG_NDEBUG 0
     19 #include <utils/Log.h>
     20 
     21 #include <stdint.h>
     22 #include <sys/types.h>
     23 
     24 #include <binder/Parcel.h>
     25 
     26 #include <powermanager/IPowerManager.h>
     27 
     28 namespace android {
     29 
     30 // must be kept in sync with IPowerManager.aidl
     31 enum {
     32     ACQUIRE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION,
     33     RELEASE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION + 1,
     34 };
     35 
     36 class BpPowerManager : public BpInterface<IPowerManager>
     37 {
     38 public:
     39     BpPowerManager(const sp<IBinder>& impl)
     40         : BpInterface<IPowerManager>(impl)
     41     {
     42     }
     43 
     44     virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag)
     45     {
     46         Parcel data, reply;
     47         data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
     48 
     49         data.writeStrongBinder(lock);
     50         data.writeInt32(flags);
     51         data.writeString16(tag);
     52         data.writeInt32(0); // no WorkSource
     53         return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply);
     54     }
     55 
     56     virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags)
     57     {
     58         Parcel data, reply;
     59         data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor());
     60         data.writeStrongBinder(lock);
     61         data.writeInt32(flags);
     62         return remote()->transact(RELEASE_WAKE_LOCK, data, &reply);
     63     }
     64 };
     65 
     66 IMPLEMENT_META_INTERFACE(PowerManager, "android.os.IPowerManager");
     67 
     68 // ----------------------------------------------------------------------------
     69 
     70 }; // namespace android
     71