xref: /aosp_15_r20/frameworks/base/libs/hostgraphics/include/gui/ConsumerBase.h (revision d57664e9bc4670b3ecf6748a746a57c557b6bc9e)
1 /*
2  * Copyright (C) 2019 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 #ifndef ANDROID_GUI_CONSUMERBASE_H
18 #define ANDROID_GUI_CONSUMERBASE_H
19 
20 #include <gui/BufferItem.h>
21 #include <utils/RefBase.h>
22 
23 namespace android {
24 
25 class ConsumerBase : public virtual RefBase {
26 public:
27     struct FrameAvailableListener : public virtual RefBase {
28         // See IConsumerListener::onFrame{Available,Replaced}
29         virtual void onFrameAvailable(const BufferItem& item) = 0;
30 
onFrameReplacedFrameAvailableListener31         virtual void onFrameReplaced(const BufferItem& /* item */) {}
32     };
33 };
34 
35 } // namespace android
36 
37 #endif // ANDROID_GUI_CONSUMERBASE_H
38