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      1 /*
      2  * Copyright (C) 2012 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 #include <stdint.h>
     18 #include <sys/types.h>
     19 
     20 #include <media/IRemoteDisplay.h>
     21 
     22 namespace android {
     23 
     24 enum {
     25     DISPOSE = IBinder::FIRST_CALL_TRANSACTION,
     26     PAUSE,
     27     RESUME,
     28 };
     29 
     30 class BpRemoteDisplay: public BpInterface<IRemoteDisplay>
     31 {
     32 public:
     33     explicit BpRemoteDisplay(const sp<IBinder>& impl)
     34         : BpInterface<IRemoteDisplay>(impl)
     35     {
     36     }
     37 
     38     virtual status_t pause() {
     39         Parcel data, reply;
     40         data.writeInterfaceToken(IRemoteDisplay::getInterfaceDescriptor());
     41         remote()->transact(PAUSE, data, &reply);
     42         return reply.readInt32();
     43     }
     44 
     45     virtual status_t resume() {
     46         Parcel data, reply;
     47         data.writeInterfaceToken(IRemoteDisplay::getInterfaceDescriptor());
     48         remote()->transact(RESUME, data, &reply);
     49         return reply.readInt32();
     50     }
     51 
     52     status_t dispose()
     53     {
     54         Parcel data, reply;
     55         data.writeInterfaceToken(IRemoteDisplay::getInterfaceDescriptor());
     56         remote()->transact(DISPOSE, data, &reply);
     57         return reply.readInt32();
     58     }
     59 };
     60 
     61 IMPLEMENT_META_INTERFACE(RemoteDisplay, "android.media.IRemoteDisplay");
     62 
     63 // ----------------------------------------------------------------------
     64 
     65 status_t BnRemoteDisplay::onTransact(
     66     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
     67 {
     68     switch (code) {
     69         case DISPOSE: {
     70             CHECK_INTERFACE(IRemoteDisplay, data, reply);
     71             reply->writeInt32(dispose());
     72             return NO_ERROR;
     73         }
     74 
     75         case PAUSE:
     76         {
     77             CHECK_INTERFACE(IRemoteDisplay, data, reply);
     78             reply->writeInt32(pause());
     79             return OK;
     80         }
     81 
     82         case RESUME:
     83         {
     84             CHECK_INTERFACE(IRemoteDisplay, data, reply);
     85             reply->writeInt32(resume());
     86             return OK;
     87         }
     88 
     89         default:
     90             return BBinder::onTransact(code, data, reply, flags);
     91     }
     92 }
     93 
     94 } // namespace android
     95