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Schnappix/node_modules/react-native-reanimated/Common/cpp/reanimated/LayoutAnimations/LayoutAnimationsUtils.cpp
T

84 lines
2.2 KiB
C++

#include <reanimated/LayoutAnimations/LayoutAnimationsUtils.h>
namespace reanimated {
std::unordered_map<Tag, UpdateValues> &SurfaceManager::getUpdateMap(
SurfaceId surfaceId) {
auto props = props_.find(surfaceId);
if (props != props_.end()) {
return *props->second;
}
auto newProps = std::make_shared<std::unordered_map<Tag, UpdateValues>>();
props_.insert_or_assign(surfaceId, newProps);
return *newProps;
}
void SurfaceManager::updateWindow(
const SurfaceId surfaceId,
const double windowWidth,
const double windowHeight) {
windows_.insert_or_assign(surfaceId, Rect{windowWidth, windowHeight});
}
Rect SurfaceManager::getWindow(SurfaceId surfaceId) {
auto windowIt = windows_.find(surfaceId);
if (windowIt != windows_.end()) {
return windowIt->second;
}
return Rect{0, 0};
}
void Node::applyMutationToIndices(ShadowViewMutation mutation) {
const auto parentTag = mutation.parentTag;
if (tag != parentTag) {
return;
}
int delta = mutation.type == ShadowViewMutation::Insert ? 1 : -1;
for (int i = children.size() - 1; i >= 0; i--) {
if (children[i]->mutation.index < mutation.index) {
return;
}
children[i]->mutation.index += delta;
}
}
// Should only be called on unflattened parents
void Node::removeChildFromUnflattenedTree(std::shared_ptr<MutationNode> child) {
for (int i = unflattenedChildren.size() - 1; i >= 0; i--) {
if (unflattenedChildren[i]->tag == child->tag) {
unflattenedChildren.erase(unflattenedChildren.begin() + i);
break;
}
}
auto &flattenedChildren = child->parent->children;
for (int i = flattenedChildren.size() - 1; i >= 0; i--) {
if (flattenedChildren[i]->tag == child->tag) {
flattenedChildren.erase(flattenedChildren.begin() + i);
return;
}
flattenedChildren[i]->mutation.index--;
}
}
void Node::insertChildren(
std::vector<std::shared_ptr<MutationNode>> &newChildren) {
mergeAndSwap(children, newChildren);
}
void Node::insertUnflattenedChildren(
std::vector<std::shared_ptr<MutationNode>> &newChildren) {
mergeAndSwap(unflattenedChildren, newChildren);
}
bool Node::isMutationMode() {
return false;
}
bool MutationNode::isMutationMode() {
return true;
}
} // namespace reanimated