103 lines
2.8 KiB
C++
103 lines
2.8 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 "SurfaceManager.h"
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#include <react/renderer/scheduler/Scheduler.h>
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namespace facebook::react {
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SurfaceManager::SurfaceManager(Scheduler const &scheduler) noexcept
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: scheduler_(scheduler) {}
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void SurfaceManager::startSurface(
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SurfaceId surfaceId,
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std::string const &moduleName,
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folly::dynamic const &props,
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LayoutConstraints const &layoutConstraints,
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LayoutContext const &layoutContext) const noexcept {
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{
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std::unique_lock lock(mutex_);
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auto surfaceHandler = SurfaceHandler{moduleName, surfaceId};
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surfaceHandler.setContextContainer(scheduler_.getContextContainer());
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registry_.emplace(surfaceId, std::move(surfaceHandler));
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}
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visit(surfaceId, [&](SurfaceHandler const &surfaceHandler) {
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surfaceHandler.setProps(props);
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surfaceHandler.constraintLayout(layoutConstraints, layoutContext);
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scheduler_.registerSurface(surfaceHandler);
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surfaceHandler.start();
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});
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}
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void SurfaceManager::stopSurface(SurfaceId surfaceId) const noexcept {
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visit(surfaceId, [&](SurfaceHandler const &surfaceHandler) {
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surfaceHandler.stop();
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scheduler_.unregisterSurface(surfaceHandler);
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});
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{
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std::unique_lock lock(mutex_);
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auto iterator = registry_.find(surfaceId);
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registry_.erase(iterator);
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}
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}
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Size SurfaceManager::measureSurface(
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SurfaceId surfaceId,
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LayoutConstraints const &layoutConstraints,
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LayoutContext const &layoutContext) const noexcept {
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auto size = Size{};
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visit(surfaceId, [&](SurfaceHandler const &surfaceHandler) {
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size = surfaceHandler.measure(layoutConstraints, layoutContext);
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});
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return size;
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}
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MountingCoordinator::Shared SurfaceManager::findMountingCoordinator(
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SurfaceId surfaceId) const noexcept {
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auto mountingCoordinator = MountingCoordinator::Shared{};
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visit(surfaceId, [&](SurfaceHandler const &surfaceHandler) {
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mountingCoordinator = surfaceHandler.getMountingCoordinator();
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});
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return mountingCoordinator;
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}
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void SurfaceManager::constraintSurfaceLayout(
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SurfaceId surfaceId,
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LayoutConstraints const &layoutConstraints,
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LayoutContext const &layoutContext) const noexcept {
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visit(surfaceId, [=](SurfaceHandler const &surfaceHandler) {
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surfaceHandler.constraintLayout(layoutConstraints, layoutContext);
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});
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}
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void SurfaceManager::visit(
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SurfaceId surfaceId,
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std::function<void(SurfaceHandler const &surfaceHandler)> const &callback)
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const noexcept {
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std::shared_lock lock(mutex_);
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auto iterator = registry_.find(surfaceId);
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if (iterator == registry_.end()) {
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return;
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}
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callback(iterator->second);
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}
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} // namespace facebook::react
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