96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
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/*
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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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#include "TimelineHandler.h"
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#include <algorithm>
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#include <react/renderer/timeline/Timeline.h>
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namespace facebook::react {
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TimelineHandler::TimelineHandler(Timeline const &timeline) noexcept
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: timeline_(&timeline) {}
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TimelineHandler::TimelineHandler(TimelineHandler &&other) noexcept {
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this->operator=(std::move(other));
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}
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TimelineHandler::~TimelineHandler() noexcept {
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if (timeline_ != nullptr) {
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// Improper deallocation indicates a severe error in application logic:
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abort();
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}
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}
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TimelineHandler &TimelineHandler::operator=(TimelineHandler &&other) noexcept {
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assert(other.timeline_ && "Moving from an empty `TimelineHandler`.");
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timeline_ = other.timeline_;
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other.timeline_ = nullptr;
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return *this;
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}
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#pragma mark - Public
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void TimelineHandler::pause() const noexcept {
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ensureNotEmpty();
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timeline_->pause();
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}
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void TimelineHandler::resume() const noexcept {
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ensureNotEmpty();
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timeline_->resume();
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}
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bool TimelineHandler::isPaused() const noexcept {
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ensureNotEmpty();
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return timeline_->isPaused();
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}
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TimelineFrame TimelineHandler::getCurrentFrame() const noexcept {
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ensureNotEmpty();
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return timeline_->getCurrentFrame();
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}
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TimelineFrame::List TimelineHandler::getFrames() const noexcept {
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ensureNotEmpty();
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return timeline_->getFrames();
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}
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void TimelineHandler::rewind(TimelineFrame const &frame) const noexcept {
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ensureNotEmpty();
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return timeline_->rewind(frame);
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}
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void TimelineHandler::seek(int delta) const noexcept {
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ensureNotEmpty();
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auto frames = timeline_->getFrames();
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auto currentFrame = timeline_->getCurrentFrame();
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auto seekFrameIndex = currentFrame.getIndex() + delta;
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seekFrameIndex =
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std::min((int)frames.size() - 1, std::max(0, seekFrameIndex));
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timeline_->rewind(frames.at(seekFrameIndex));
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}
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#pragma mark - Private
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SurfaceId TimelineHandler::getSurfaceId() const noexcept {
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return timeline_->getSurfaceId();
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}
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void TimelineHandler::release() noexcept {
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timeline_ = nullptr;
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}
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void TimelineHandler::ensureNotEmpty() const noexcept {
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if (timeline_ == nullptr) {
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abort();
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}
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}
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} // namespace facebook::react
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