64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <vector>
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#include <butter/mutex.h>
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#include <react/renderer/core/ReactPrimitives.h>
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#include <react/renderer/timeline/TimelineSnapshot.h>
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#include <react/renderer/uimanager/UIManagerCommitHook.h>
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namespace facebook {
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namespace react {
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class UIManager;
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class Timeline final {
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friend class TimelineHandler;
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friend class TimelineController;
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public:
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Timeline(ShadowTree const &shadowTree);
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private:
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#pragma mark - Private methods to be used by `TimelineHandler`.
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void pause() const noexcept;
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void resume() const noexcept;
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bool isPaused() const noexcept;
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TimelineFrame::List getFrames() const noexcept;
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TimelineFrame getCurrentFrame() const noexcept;
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void rewind(TimelineFrame const &frame) const noexcept;
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SurfaceId getSurfaceId() const noexcept;
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#pragma mark - Private methods to be used by `TimelineController`.
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RootShadowNode::Unshared shadowTreeWillCommit(
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ShadowTree const &shadowTree,
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RootShadowNode::Shared const &oldRootShadowNode,
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RootShadowNode::Unshared const &newRootShadowNode) const noexcept;
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#pragma mark - Private & Internal
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void record(RootShadowNode::Shared const &rootShadowNode) const noexcept;
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void rewind(TimelineSnapshot const &snapshot) const noexcept;
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mutable std::recursive_mutex mutex_;
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mutable ShadowTree const *shadowTree_{nullptr};
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mutable int currentSnapshotIndex_{0};
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mutable TimelineSnapshot::List snapshots_{};
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mutable bool paused_{false};
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mutable bool rewinding_{false};
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};
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} // namespace react
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} // namespace facebook
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