1 /*
2 * Copyright 2024 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 "ActivePictureUpdater.h"
18
19 #include <algorithm>
20
21 #include "Layer.h"
22 #include "LayerFE.h"
23
24 namespace android {
25
onLayerComposed(const Layer & layer,const LayerFE & layerFE,const CompositionResult & result)26 void ActivePictureUpdater::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
27 const CompositionResult& result) {
28 if (result.wasPictureProfileCommitted) {
29 gui::ActivePicture picture;
30 picture.layerId = int32_t(layer.sequence);
31 picture.ownerUid = int32_t(layer.getOwnerUid());
32 // TODO(b/337330263): Why does LayerFE coming from SF have a null composition state?
33 if (layerFE.getCompositionState()) {
34 picture.pictureProfileId = layerFE.getCompositionState()->pictureProfileHandle.getId();
35 } else {
36 picture.pictureProfileId = result.pictureProfileHandle.getId();
37 }
38 mNewActivePictures.push_back(picture);
39 }
40 }
41
updateAndHasChanged()42 bool ActivePictureUpdater::updateAndHasChanged() {
43 bool hasChanged = true;
44 if (mNewActivePictures.size() == mOldActivePictures.size()) {
45 auto compare = [](const gui::ActivePicture& lhs, const gui::ActivePicture& rhs) -> int {
46 if (lhs.layerId == rhs.layerId) {
47 return lhs.pictureProfileId < rhs.pictureProfileId;
48 }
49 return lhs.layerId < rhs.layerId;
50 };
51 std::sort(mNewActivePictures.begin(), mNewActivePictures.end(), compare);
52 if (std::equal(mNewActivePictures.begin(), mNewActivePictures.end(),
53 mOldActivePictures.begin())) {
54 hasChanged = false;
55 }
56 }
57 std::swap(mOldActivePictures, mNewActivePictures);
58 mNewActivePictures.resize(0);
59 return hasChanged;
60 }
61
getActivePictures() const62 const std::vector<gui::ActivePicture>& ActivePictureUpdater::getActivePictures() const {
63 return mOldActivePictures;
64 }
65
66 } // namespace android
67