| /* |
| ** |
| ** Copyright 2010, 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 "IEffectClient" |
| #include <utils/Log.h> |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <media/IEffectClient.h> |
| |
| namespace android { |
| |
| enum { |
| CONTROL_STATUS_CHANGED = IBinder::FIRST_CALL_TRANSACTION, |
| ENABLE_STATUS_CHANGED, |
| COMMAND_EXECUTED |
| }; |
| |
| class BpEffectClient: public BpInterface<IEffectClient> |
| { |
| public: |
| explicit BpEffectClient(const sp<IBinder>& impl) |
| : BpInterface<IEffectClient>(impl) |
| { |
| } |
| |
| void controlStatusChanged(bool controlGranted) |
| { |
| ALOGV("controlStatusChanged"); |
| Parcel data, reply; |
| data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); |
| data.writeInt32((uint32_t)controlGranted); |
| remote()->transact(CONTROL_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); |
| } |
| |
| void enableStatusChanged(bool enabled) |
| { |
| ALOGV("enableStatusChanged"); |
| Parcel data, reply; |
| data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); |
| data.writeInt32((uint32_t)enabled); |
| remote()->transact(ENABLE_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); |
| } |
| |
| void commandExecuted(uint32_t cmdCode, |
| uint32_t cmdSize, |
| void *pCmdData, |
| uint32_t replySize, |
| void *pReplyData) |
| { |
| ALOGV("commandExecuted"); |
| Parcel data, reply; |
| data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); |
| data.writeInt32(cmdCode); |
| int size = cmdSize; |
| if (pCmdData == NULL) { |
| size = 0; |
| } |
| data.writeInt32(size); |
| if (size) { |
| data.write(pCmdData, size); |
| } |
| size = replySize; |
| if (pReplyData == NULL) { |
| size = 0; |
| } |
| data.writeInt32(size); |
| if (size) { |
| data.write(pReplyData, size); |
| } |
| remote()->transact(COMMAND_EXECUTED, data, &reply, IBinder::FLAG_ONEWAY); |
| } |
| |
| }; |
| |
| IMPLEMENT_META_INTERFACE(EffectClient, "android.media.IEffectClient"); |
| |
| // ---------------------------------------------------------------------- |
| |
| status_t BnEffectClient::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch (code) { |
| case CONTROL_STATUS_CHANGED: { |
| ALOGV("CONTROL_STATUS_CHANGED"); |
| CHECK_INTERFACE(IEffectClient, data, reply); |
| bool hasControl = (bool)data.readInt32(); |
| controlStatusChanged(hasControl); |
| return NO_ERROR; |
| } break; |
| case ENABLE_STATUS_CHANGED: { |
| ALOGV("ENABLE_STATUS_CHANGED"); |
| CHECK_INTERFACE(IEffectClient, data, reply); |
| bool enabled = (bool)data.readInt32(); |
| enableStatusChanged(enabled); |
| return NO_ERROR; |
| } break; |
| case COMMAND_EXECUTED: { |
| ALOGV("COMMAND_EXECUTED"); |
| CHECK_INTERFACE(IEffectClient, data, reply); |
| uint32_t cmdCode = data.readInt32(); |
| uint32_t cmdSize = data.readInt32(); |
| char *cmd = NULL; |
| if (cmdSize) { |
| cmd = (char *)malloc(cmdSize); |
| data.read(cmd, cmdSize); |
| } |
| uint32_t replySize = data.readInt32(); |
| char *resp = NULL; |
| if (replySize) { |
| resp = (char *)malloc(replySize); |
| data.read(resp, replySize); |
| } |
| commandExecuted(cmdCode, cmdSize, cmd, replySize, resp); |
| if (cmd) { |
| free(cmd); |
| } |
| if (resp) { |
| free(resp); |
| } |
| return NO_ERROR; |
| } break; |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| } // namespace android |