103 lines
2.8 KiB
C++
103 lines
2.8 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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#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(const Scheduler& 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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const std::string& moduleName,
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const folly::dynamic& props,
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const LayoutConstraints& layoutConstraints,
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const LayoutContext& 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, [&](const SurfaceHandler& 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, [&](const SurfaceHandler& 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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const LayoutConstraints& layoutConstraints,
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const LayoutContext& layoutContext) const noexcept {
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auto size = Size{};
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visit(surfaceId, [&](const SurfaceHandler& 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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std::shared_ptr<const MountingCoordinator>
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SurfaceManager::findMountingCoordinator(SurfaceId surfaceId) const noexcept {
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auto mountingCoordinator = std::shared_ptr<const MountingCoordinator>{};
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visit(surfaceId, [&](const SurfaceHandler& 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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const LayoutConstraints& layoutConstraints,
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const LayoutContext& layoutContext) const noexcept {
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visit(surfaceId, [=](const SurfaceHandler& 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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const std::function<void(const SurfaceHandler& surfaceHandler)>& 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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