1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "pipeline/rs_render_frame_rate_linker_map.h"
17 #include "common/rs_common_def.h"
18 #include "platform/common/rs_log.h"
19 #include "ipc_callbacks/rs_iframe_rate_linker_expected_fps_update_callback.h"
20 
21 namespace OHOS {
22 namespace Rosen {
RSRenderFrameRateLinkerMap()23 RSRenderFrameRateLinkerMap::RSRenderFrameRateLinkerMap()
24 {
25 }
26 
RegisterFrameRateLinker(const std::shared_ptr<RSRenderFrameRateLinker> & linkerPtr)27 bool RSRenderFrameRateLinkerMap::RegisterFrameRateLinker(const std::shared_ptr<RSRenderFrameRateLinker>& linkerPtr)
28 {
29     FrameRateLinkerId id = linkerPtr->GetId();
30     if (frameRateLinkerMap_.count(id)) {
31         return false;
32     }
33     frameRateLinkerMap_.emplace(id, linkerPtr);
34     return true;
35 }
36 
UnregisterFrameRateLinker(FrameRateLinkerId id)37 void RSRenderFrameRateLinkerMap::UnregisterFrameRateLinker(FrameRateLinkerId id)
38 {
39     ROSEN_LOGI("RSRenderFrameRateLinkerMap::UnregisterFrameRateLinker id: %{public}" PRIu64, id);
40     frameRateLinkerMap_.erase(id);
41 }
42 
FilterFrameRateLinkerByPid(pid_t pid)43 void RSRenderFrameRateLinkerMap::FilterFrameRateLinkerByPid(pid_t pid)
44 {
45     ROSEN_LOGD("RSRenderFrameRateLinkerMap::FilterFrameRateLinkerByPid removing all linker belong to pid %{public}llu",
46         (unsigned long long)pid);
47     // remove all nodes belong to given pid (by matching higher 32 bits of node id)
48     EraseIf(frameRateLinkerMap_, [pid](const auto& pair) -> bool {
49         return ExtractPid(pair.first) == pid;
50     });
51 }
52 
GetFrameRateLinker(FrameRateLinkerId id)53 std::shared_ptr<RSRenderFrameRateLinker> RSRenderFrameRateLinkerMap::GetFrameRateLinker(FrameRateLinkerId id)
54 {
55     return frameRateLinkerMap_.count(id) ? frameRateLinkerMap_[id] : nullptr;
56 }
57 
RegisterFrameRateLinkerExpectedFpsUpdateCallback(pid_t listenerPid,int32_t dstPid,sptr<RSIFrameRateLinkerExpectedFpsUpdateCallback> callback)58 bool RSRenderFrameRateLinkerMap::RegisterFrameRateLinkerExpectedFpsUpdateCallback(pid_t listenerPid,
59     int32_t dstPid, sptr<RSIFrameRateLinkerExpectedFpsUpdateCallback> callback)
60 {
61     bool success = false;
62     for (auto& [id, linker] : frameRateLinkerMap_) {
63         if (ExtractPid(id) == dstPid && linker != nullptr) {
64             linker->RegisterExpectedFpsUpdateCallback(listenerPid, callback);
65             success = true;
66         }
67     }
68 
69     if (!success) {
70         ROSEN_LOGE("RegisterFrameRateLinkerExpectedFpsUpdateCallback failed: cannot register callback to any linker by"
71             " dstPid=%{public}d", dstPid);
72     }
73     return success;
74 }
75 
UnRegisterExpectedFpsUpdateCallbackByListener(pid_t listenerPid)76 void RSRenderFrameRateLinkerMap::UnRegisterExpectedFpsUpdateCallbackByListener(pid_t listenerPid)
77 {
78     for (auto& [_, linker] : frameRateLinkerMap_) {
79         if (linker != nullptr) {
80             linker->RegisterExpectedFpsUpdateCallback(listenerPid, nullptr);
81         }
82     }
83 }
84 
85 } // namespace Rosen
86 } // namespace OHOS
87