1 /*
2 * Copyright (c) 2024 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 "ace_extra_input_data.h"
17
18 #include <memory>
19
20 #include "pointer_event.h"
21
22 #define CHECK_FALSE_RETURN CHECK_NULL_RETURN
23
24 namespace OHOS::Ace {
WriteToInput(const std::shared_ptr<MMI::InputEvent> & inputEvent,AceExtraInputData & data)25 void AceExtraInputData::WriteToInput(const std::shared_ptr<MMI::InputEvent>& inputEvent, AceExtraInputData& data)
26 {
27 std::shared_ptr<uint8_t[]> dst(new uint8_t[sizeof(AceExtraInputData)], [](uint8_t* ptr) { delete[] ptr; });
28 auto* src = reinterpret_cast<uint8_t*>(&data);
29 std::copy(src, src + sizeof(AceExtraInputData), dst.get());
30 inputEvent->SetExtraData(dst, sizeof(AceExtraInputData));
31 }
32
ReadToTouchEvent(const std::shared_ptr<MMI::InputEvent> & inputEvent,TouchEvent & event)33 void AceExtraInputData::ReadToTouchEvent(const std::shared_ptr<MMI::InputEvent>& inputEvent, TouchEvent& event)
34 {
35 std::shared_ptr<const uint8_t[]> raw;
36 uint32_t length = 0;
37 inputEvent->GetExtraData(raw, length);
38 if (length == 0 || !raw) {
39 return;
40 }
41
42 const AceExtraInputData* data = reinterpret_cast<const AceExtraInputData*>(raw.get());
43 event.x = data->interpolatedX;
44 event.y = data->interpolatedY;
45 event.screenX = data->interpolatedDisplayX;
46 event.screenY = data->interpolatedDisplayY;
47 uint64_t stampCnt = data->msSinceEpoch;
48 auto msSinceEpoch = std::chrono::milliseconds(stampCnt);
49 std::chrono::high_resolution_clock::time_point timeStamp(msSinceEpoch);
50 event.time = timeStamp;
51 }
52
InsertInterpolatePoints(const TouchEventInfo & info)53 void AceExtraInputData::InsertInterpolatePoints(const TouchEventInfo& info)
54 {
55 const auto pointerEvent = info.GetPointerEvent();
56 MMI::PointerEvent::PointerItem item;
57 if (!pointerEvent->GetPointerItem(pointerEvent->GetPointerId(), item)) {
58 return;
59 }
60
61 const auto changedInfo = info.GetChangedTouches();
62 if (changedInfo.empty()) {
63 return;
64 }
65 const auto& point = changedInfo.front();
66 const Offset& location = point.GetLocalLocation();
67 const auto& screenLocation = point.GetScreenLocation();
68 AceExtraInputData aceData(
69 location.GetX(), location.GetY(), screenLocation.GetX(), screenLocation.GetY(), info.GetTimeStamp());
70 aceData.WriteToInput(pointerEvent, aceData);
71 }
72 } // namespace OHOS::Ace
73