1 /*
2 * Copyright (c) 2021-2023 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 "animation/rs_render_transition.h"
17
18 #include "pipeline/rs_render_node.h"
19 #include "platform/common/rs_log.h"
20 #include "platform/common/rs_system_properties.h"
21 #include "transaction/rs_marshalling_helper.h"
22
23 namespace OHOS {
24 namespace Rosen {
RSRenderTransition(AnimationId id,const std::vector<std::shared_ptr<RSRenderTransitionEffect>> & effects,bool isTransitionIn)25 RSRenderTransition::RSRenderTransition(
26 AnimationId id, const std::vector<std::shared_ptr<RSRenderTransitionEffect>>& effects, bool isTransitionIn)
27 : RSRenderAnimation(id), effects_(effects), isTransitionIn_(isTransitionIn)
28 {}
29
DumpAnimationInfo(std::string & out) const30 void RSRenderTransition::DumpAnimationInfo(std::string& out) const
31 {
32 out.append("Type:RSRenderTransition");
33 }
34
OnAnimate(float fraction)35 void RSRenderTransition::OnAnimate(float fraction)
36 {
37 float valueFraction = interpolator_->Interpolate(fraction);
38 if (isTransitionIn_) {
39 valueFraction = 1 - valueFraction;
40 }
41 for (auto& effect : effects_) {
42 effect->UpdateFraction(valueFraction);
43 }
44 }
45
OnAttach()46 void RSRenderTransition::OnAttach()
47 {
48 auto target = GetTarget();
49 if (target == nullptr) {
50 ROSEN_LOGE("RSRenderTransition::OnAttach, target is nullptr");
51 return;
52 }
53 // create "transition" modifier and add it to target
54 for (auto& effect : effects_) {
55 const auto& modifier = effect->GetModifierNG();
56 if (modifier == nullptr) {
57 // custom effect may not have modifier
58 continue;
59 }
60 target->AddModifier(modifier);
61 }
62 // update number of disappearing transition animation
63 if (!isTransitionIn_) {
64 target->disappearingTransitionCount_++;
65 ROSEN_LOGD("RSRenderTransition::OnAttach, target have %{public}u disappearing Transitions",
66 target->disappearingTransitionCount_);
67 }
68 }
69
OnDetach()70 void RSRenderTransition::OnDetach()
71 {
72 auto target = GetTarget();
73 if (target == nullptr) {
74 ROSEN_LOGE("RSRenderTransition::OnDetach, target is nullptr");
75 return;
76 }
77 // remove "transition" modifier from target
78 for (auto& effect : effects_) {
79 target->RemoveModifierNG(effect->GetModifierNG()->GetId());
80 }
81 // update number of disappearing transition animation
82 if (!isTransitionIn_) {
83 target->disappearingTransitionCount_--;
84 ROSEN_LOGD("RSRenderTransition::OnDetach, target have %{public}u disappearing Transitions",
85 target->disappearingTransitionCount_);
86 if (target->disappearingTransitionCount_ == 0) {
87 target->InternalRemoveSelfFromDisappearingChildren();
88 }
89 }
90 }
91 } // namespace Rosen
92 } // namespace OHOS
93