| /* |
| * Copyright 2014 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. |
| */ |
| |
| #include <binder/Parcel.h> |
| |
| #include <gui/IProducerListener.h> |
| |
| namespace android { |
| |
| enum { |
| ON_BUFFER_RELEASED = IBinder::FIRST_CALL_TRANSACTION, |
| NEEDS_RELEASE_NOTIFY, |
| }; |
| |
| class BpProducerListener : public BpInterface<IProducerListener> |
| { |
| public: |
| explicit BpProducerListener(const sp<IBinder>& impl) |
| : BpInterface<IProducerListener>(impl) {} |
| |
| virtual ~BpProducerListener(); |
| |
| virtual void onBufferReleased() { |
| Parcel data, reply; |
| data.writeInterfaceToken(IProducerListener::getInterfaceDescriptor()); |
| remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY); |
| } |
| |
| virtual bool needsReleaseNotify() { |
| bool result; |
| Parcel data, reply; |
| data.writeInterfaceToken(IProducerListener::getInterfaceDescriptor()); |
| status_t err = remote()->transact(NEEDS_RELEASE_NOTIFY, data, &reply); |
| if (err != NO_ERROR) { |
| ALOGE("IProducerListener: binder call \'needsReleaseNotify\' failed"); |
| return true; |
| } |
| err = reply.readBool(&result); |
| if (err != NO_ERROR) { |
| ALOGE("IProducerListener: malformed binder reply"); |
| return true; |
| } |
| return result; |
| } |
| }; |
| |
| // Out-of-line virtual method definition to trigger vtable emission in this |
| // translation unit (see clang warning -Wweak-vtables) |
| BpProducerListener::~BpProducerListener() {} |
| |
| IMPLEMENT_META_INTERFACE(ProducerListener, "android.gui.IProducerListener") |
| |
| status_t BnProducerListener::onTransact(uint32_t code, const Parcel& data, |
| Parcel* reply, uint32_t flags) { |
| switch (code) { |
| case ON_BUFFER_RELEASED: |
| CHECK_INTERFACE(IProducerListener, data, reply); |
| onBufferReleased(); |
| return NO_ERROR; |
| case NEEDS_RELEASE_NOTIFY: |
| CHECK_INTERFACE(IProducerListener, data, reply); |
| reply->writeBool(needsReleaseNotify()); |
| return NO_ERROR; |
| } |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| |
| ProducerListener::~ProducerListener() = default; |
| |
| DummyProducerListener::~DummyProducerListener() = default; |
| |
| bool BnProducerListener::needsReleaseNotify() { |
| return true; |
| } |
| |
| } // namespace android |