202 lines
6.7 KiB
C++
202 lines
6.7 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its 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 "ViewProps.h"
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#include <algorithm>
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#include <react/components/view/conversions.h>
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#include <react/components/view/propsConversions.h>
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#include <react/core/propsConversions.h>
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#include <react/debug/debugStringConvertibleUtils.h>
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#include <react/graphics/conversions.h>
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namespace facebook {
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namespace react {
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ViewProps::ViewProps(ViewProps const &sourceProps, RawProps const &rawProps)
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: YogaStylableProps(sourceProps, rawProps),
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AccessibilityProps(sourceProps, rawProps),
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opacity(
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convertRawProp(rawProps, "opacity", sourceProps.opacity, (Float)1.0)),
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foregroundColor(convertRawProp(
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rawProps,
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"foregroundColor",
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sourceProps.foregroundColor,
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{})),
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backgroundColor(convertRawProp(
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rawProps,
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"backgroundColor",
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sourceProps.backgroundColor,
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{})),
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borderRadii(convertRawProp(
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rawProps,
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"border",
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"Radius",
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sourceProps.borderRadii,
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{})),
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borderColors(convertRawProp(
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rawProps,
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"border",
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"Color",
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sourceProps.borderColors,
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{})),
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borderStyles(convertRawProp(
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rawProps,
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"border",
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"Style",
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sourceProps.borderStyles,
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{})),
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shadowColor(
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convertRawProp(rawProps, "shadowColor", sourceProps.shadowColor, {})),
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shadowOffset(convertRawProp(
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rawProps,
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"shadowOffset",
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sourceProps.shadowOffset,
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{})),
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shadowOpacity(convertRawProp(
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rawProps,
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"shadowOpacity",
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sourceProps.shadowOpacity,
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{})),
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shadowRadius(convertRawProp(
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rawProps,
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"shadowRadius",
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sourceProps.shadowRadius,
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{})),
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transform(
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convertRawProp(rawProps, "transform", sourceProps.transform, {})),
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backfaceVisibility(convertRawProp(
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rawProps,
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"backfaceVisibility",
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sourceProps.backfaceVisibility,
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{})),
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shouldRasterize(convertRawProp(
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rawProps,
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"shouldRasterize",
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sourceProps.shouldRasterize,
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{})),
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zIndex(convertRawProp(rawProps, "zIndex", sourceProps.zIndex, {})),
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pointerEvents(convertRawProp(
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rawProps,
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"pointerEvents",
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sourceProps.pointerEvents,
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{})),
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hitSlop(convertRawProp(rawProps, "hitSlop", sourceProps.hitSlop, {})),
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onLayout(convertRawProp(rawProps, "onLayout", sourceProps.onLayout, {})),
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collapsable(convertRawProp(
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rawProps,
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"collapsable",
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sourceProps.collapsable,
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true)){};
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#pragma mark - Convenience Methods
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static BorderRadii ensureNoOverlap(BorderRadii const &radii, Size const &size) {
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// "Corner curves must not overlap: When the sum of any two adjacent border
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// radii exceeds the size of the border box, UAs must proportionally reduce
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// the used values of all border radii until none of them overlap."
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// Source: https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
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auto insets = EdgeInsets{
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/* .left = */ radii.topLeft + radii.bottomLeft,
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/* .top = */ radii.topLeft + radii.topRight,
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/* .right = */ radii.topRight + radii.bottomRight,
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/* .bottom = */ radii.bottomLeft + radii.bottomRight,
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};
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auto insetsScale = EdgeInsets{
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/* .left = */
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insets.left > 0 ? std::min((Float)1.0, size.height / insets.left) : 0,
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/* .top = */
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insets.top > 0 ? std::min((Float)1.0, size.width / insets.top) : 0,
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/* .right = */
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insets.right > 0 ? std::min((Float)1.0, size.height / insets.right) : 0,
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/* .bottom = */
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insets.bottom > 0 ? std::min((Float)1.0, size.width / insets.bottom) : 0,
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};
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return BorderRadii{
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/* topLeft = */
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radii.topLeft * std::min(insetsScale.top, insetsScale.left),
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/* topRight = */
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radii.topRight * std::min(insetsScale.top, insetsScale.right),
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/* bottomLeft = */
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radii.bottomLeft * std::min(insetsScale.bottom, insetsScale.left),
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/* bottomRight = */
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radii.bottomRight * std::min(insetsScale.bottom, insetsScale.right),
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};
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}
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BorderMetrics ViewProps::resolveBorderMetrics(
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LayoutMetrics const &layoutMetrics) const {
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auto isRTL =
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bool{layoutMetrics.layoutDirection == LayoutDirection::RightToLeft};
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auto borderWidths = CascadedBorderWidths{
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/* .left = */ optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeLeft]),
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/* .top = */ optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeTop]),
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/* .right = */
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optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeRight]),
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/* .bottom = */
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optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeBottom]),
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/* .start = */
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optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeStart]),
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/* .end = */ optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeEnd]),
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/* .horizontal = */
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optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeHorizontal]),
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/* .vertical = */
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optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeVertical]),
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/* .all = */ optionalFloatFromYogaValue(yogaStyle.border()[YGEdgeAll]),
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};
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return {
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/* .borderColors = */ borderColors.resolve(isRTL, {}),
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/* .borderWidths = */ borderWidths.resolve(isRTL, 0),
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/* .borderRadii = */
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ensureNoOverlap(borderRadii.resolve(isRTL, 0), layoutMetrics.frame.size),
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/* .borderStyles = */ borderStyles.resolve(isRTL, BorderStyle::Solid),
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};
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}
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bool ViewProps::getClipsContentToBounds() const {
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return yogaStyle.overflow() != YGOverflowVisible;
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}
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#ifdef ANDROID
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bool ViewProps::getProbablyMoreHorizontalThanVertical_DEPRECATED() const {
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return yogaStyle.flexDirection() == YGFlexDirectionRow;
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}
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#endif
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#pragma mark - DebugStringConvertible
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#if RN_DEBUG_STRING_CONVERTIBLE
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SharedDebugStringConvertibleList ViewProps::getDebugProps() const {
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const auto &defaultViewProps = ViewProps();
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return AccessibilityProps::getDebugProps() +
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YogaStylableProps::getDebugProps() +
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SharedDebugStringConvertibleList{
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debugStringConvertibleItem("zIndex", zIndex, defaultViewProps.zIndex),
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debugStringConvertibleItem(
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"opacity", opacity, defaultViewProps.opacity),
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debugStringConvertibleItem(
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"foregroundColor",
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foregroundColor,
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defaultViewProps.foregroundColor),
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debugStringConvertibleItem(
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"backgroundColor",
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backgroundColor,
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defaultViewProps.backgroundColor),
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};
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}
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#endif
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} // namespace react
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} // namespace facebook
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