mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Ruslan Shestopalyuk
110b191b14
Summary: Previously, ViewPropsMapBuffer conversions were hardcoded deep in Android infrastructrue. I've generalized this into a different mechanism to allow any Props struct to support MapBuffer props. There are still some things that need to be cleaned up and this should be treated as experimental. One thing we likely want to do is remove the hardcoded IDs (fine for codegen'd code; less so for handwritten) and use compile-time-hashed IDs instead with human-readable string names. Changelog: [Internal] Reviewed By: mdvacca Differential Revision: D38708719 fbshipit-source-id: 64603dee7f21828be31346c555d99862dab304ea
88 lines
2.4 KiB
C++
88 lines
2.4 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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#ifdef ANDROID
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#include "ViewProps.h"
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#include "ViewPropsMapBuffer.h"
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#include "viewPropConversions.h"
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#include <react/renderer/mapbuffer/MapBufferBuilder.h>
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namespace facebook {
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namespace react {
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MapBuffer convertBorderWidths(YGStyle::Edges const &border) {
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MapBufferBuilder builder(7);
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putOptionalFloat(
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builder, EDGE_TOP, optionalFloatFromYogaValue(border[YGEdgeTop]));
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putOptionalFloat(
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builder, EDGE_RIGHT, optionalFloatFromYogaValue(border[YGEdgeRight]));
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putOptionalFloat(
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builder, EDGE_BOTTOM, optionalFloatFromYogaValue(border[YGEdgeBottom]));
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putOptionalFloat(
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builder, EDGE_LEFT, optionalFloatFromYogaValue(border[YGEdgeLeft]));
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putOptionalFloat(
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builder, EDGE_START, optionalFloatFromYogaValue(border[YGEdgeStart]));
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putOptionalFloat(
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builder, EDGE_END, optionalFloatFromYogaValue(border[YGEdgeEnd]));
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putOptionalFloat(
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builder, EDGE_ALL, optionalFloatFromYogaValue(border[YGEdgeAll]));
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return builder.build();
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}
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// TODO: Currently unsupported: nextFocusForward/Left/Up/Right/Down
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void YogaStylableProps::propsDiffMapBuffer(
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Props const *oldPropsPtr,
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MapBufferBuilder &builder) const {
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// Call with default props if necessary
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if (oldPropsPtr == nullptr) {
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YogaStylableProps defaultProps{};
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propsDiffMapBuffer(&defaultProps, builder);
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return;
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}
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// Delegate to base classes
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Props::propsDiffMapBuffer(oldPropsPtr, builder);
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YogaStylableProps const &oldProps =
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*(static_cast<const YogaStylableProps *>(oldPropsPtr));
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YogaStylableProps const &newProps = *this;
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if (oldProps.yogaStyle != newProps.yogaStyle) {
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auto const &oldStyle = oldProps.yogaStyle;
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auto const &newStyle = newProps.yogaStyle;
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if (!(oldStyle.border() == newStyle.border())) {
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builder.putMapBuffer(
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YG_BORDER_WIDTH, convertBorderWidths(newStyle.border()));
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}
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if (oldStyle.overflow() != newStyle.overflow()) {
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int value;
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switch (newStyle.overflow()) {
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case YGOverflowVisible:
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value = 0;
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break;
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case YGOverflowHidden:
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value = 1;
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break;
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case YGOverflowScroll:
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value = 2;
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break;
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}
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builder.putInt(YG_OVERFLOW, value);
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}
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}
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}
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} // namespace react
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} // namespace facebook
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#endif
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