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      1 /*
      2 **
      3 ** Copyright 2015, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 #include <utils/RefBase.h>
     19 #include <binder/IInterface.h>
     20 #include <binder/Parcel.h>
     21 
     22 #include <media/IResourceManagerClient.h>
     23 
     24 namespace android {
     25 
     26 enum {
     27     RECLAIM_RESOURCE = IBinder::FIRST_CALL_TRANSACTION,
     28     GET_NAME,
     29 };
     30 
     31 class BpResourceManagerClient: public BpInterface<IResourceManagerClient>
     32 {
     33 public:
     34     explicit BpResourceManagerClient(const sp<IBinder> &impl)
     35         : BpInterface<IResourceManagerClient>(impl)
     36     {
     37     }
     38 
     39     virtual bool reclaimResource() {
     40         Parcel data, reply;
     41         data.writeInterfaceToken(IResourceManagerClient::getInterfaceDescriptor());
     42 
     43         bool ret = false;
     44         status_t status = remote()->transact(RECLAIM_RESOURCE, data, &reply);
     45         if (status == NO_ERROR) {
     46             ret = (bool)reply.readInt32();
     47         }
     48         return ret;
     49     }
     50 
     51     virtual String8 getName() {
     52         Parcel data, reply;
     53         data.writeInterfaceToken(IResourceManagerClient::getInterfaceDescriptor());
     54 
     55         String8 ret;
     56         status_t status = remote()->transact(GET_NAME, data, &reply);
     57         if (status == NO_ERROR) {
     58             ret = reply.readString8();
     59         }
     60         return ret;
     61     }
     62 
     63 };
     64 
     65 IMPLEMENT_META_INTERFACE(ResourceManagerClient, "android.media.IResourceManagerClient");
     66 
     67 // ----------------------------------------------------------------------
     68 
     69 status_t BnResourceManagerClient::onTransact(
     70     uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags)
     71 {
     72     switch (code) {
     73         case RECLAIM_RESOURCE: {
     74             CHECK_INTERFACE(IResourceManagerClient, data, reply);
     75             bool ret = reclaimResource();
     76             reply->writeInt32(ret);
     77             return NO_ERROR;
     78         } break;
     79         case GET_NAME: {
     80             CHECK_INTERFACE(IResourceManagerClient, data, reply);
     81             String8 ret = getName();
     82             reply->writeString8(ret);
     83             return NO_ERROR;
     84         } break;
     85         default:
     86             return BBinder::onTransact(code, data, reply, flags);
     87     }
     88 }
     89 
     90 }; // namespace android
     91