mirror of
https://github.com/zhigang1992/react-native.git
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e7af72b29a
Reviewed By: shergin Differential Revision: D5744725 fbshipit-source-id: 4042310494a2bbd3d3472485ad8496d592eb28ac
229 lines
8.9 KiB
Java
229 lines
8.9 KiB
Java
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package com.facebook.react.uimanager;
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import android.graphics.Color;
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import com.facebook.react.bridge.ReadableMap;
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import java.util.Arrays;
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import java.util.HashSet;
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/**
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* Keys for props that need to be shared across multiple classes.
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*/
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public class ViewProps {
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public static final String VIEW_CLASS_NAME = "RCTView";
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// Layout only (only affect positions of children, causes no drawing)
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// !!! Keep in sync with LAYOUT_ONLY_PROPS below
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public static final String ALIGN_ITEMS = "alignItems";
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public static final String ALIGN_SELF = "alignSelf";
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public static final String ALIGN_CONTENT = "alignContent";
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public static final String OVERFLOW = "overflow";
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public static final String DISPLAY = "display";
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public static final String BOTTOM = "bottom";
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public static final String COLLAPSABLE = "collapsable";
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public static final String FLEX = "flex";
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public static final String FLEX_GROW = "flexGrow";
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public static final String FLEX_SHRINK = "flexShrink";
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public static final String FLEX_BASIS = "flexBasis";
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public static final String FLEX_DIRECTION = "flexDirection";
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public static final String FLEX_WRAP = "flexWrap";
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public static final String HEIGHT = "height";
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public static final String JUSTIFY_CONTENT = "justifyContent";
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public static final String LEFT = "left";
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public static final String MARGIN = "margin";
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public static final String MARGIN_VERTICAL = "marginVertical";
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public static final String MARGIN_HORIZONTAL = "marginHorizontal";
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public static final String MARGIN_LEFT = "marginLeft";
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public static final String MARGIN_RIGHT = "marginRight";
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public static final String MARGIN_TOP = "marginTop";
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public static final String MARGIN_BOTTOM = "marginBottom";
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public static final String PADDING = "padding";
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public static final String PADDING_VERTICAL = "paddingVertical";
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public static final String PADDING_HORIZONTAL = "paddingHorizontal";
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public static final String PADDING_LEFT = "paddingLeft";
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public static final String PADDING_RIGHT = "paddingRight";
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public static final String PADDING_TOP = "paddingTop";
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public static final String PADDING_BOTTOM = "paddingBottom";
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public static final String POSITION = "position";
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public static final String RIGHT = "right";
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public static final String TOP = "top";
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public static final String WIDTH = "width";
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public static final String MIN_WIDTH = "minWidth";
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public static final String MAX_WIDTH = "maxWidth";
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public static final String MIN_HEIGHT = "minHeight";
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public static final String MAX_HEIGHT = "maxHeight";
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public static final String ASPECT_RATIO = "aspectRatio";
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// Props that sometimes may prevent us from collapsing views
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public static final String POINTER_EVENTS = "pointerEvents";
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// Props that affect more than just layout
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public static final String ENABLED = "enabled";
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public static final String BACKGROUND_COLOR = "backgroundColor";
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public static final String COLOR = "color";
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public static final String FONT_SIZE = "fontSize";
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public static final String FONT_WEIGHT = "fontWeight";
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public static final String FONT_STYLE = "fontStyle";
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public static final String FONT_FAMILY = "fontFamily";
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public static final String LINE_HEIGHT = "lineHeight";
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public static final String NEEDS_OFFSCREEN_ALPHA_COMPOSITING = "needsOffscreenAlphaCompositing";
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public static final String NUMBER_OF_LINES = "numberOfLines";
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public static final String ELLIPSIZE_MODE = "ellipsizeMode";
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public static final String ON = "on";
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public static final String RESIZE_MODE = "resizeMode";
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public static final String RESIZE_METHOD = "resizeMethod";
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public static final String TEXT_ALIGN = "textAlign";
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public static final String TEXT_ALIGN_VERTICAL = "textAlignVertical";
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public static final String TEXT_DECORATION_LINE = "textDecorationLine";
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public static final String TEXT_BREAK_STRATEGY = "textBreakStrategy";
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public static final String OPACITY = "opacity";
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public static final String ALLOW_FONT_SCALING = "allowFontScaling";
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public static final String INCLUDE_FONT_PADDING = "includeFontPadding";
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public static final String BORDER_WIDTH = "borderWidth";
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public static final String BORDER_LEFT_WIDTH = "borderLeftWidth";
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public static final String BORDER_TOP_WIDTH = "borderTopWidth";
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public static final String BORDER_RIGHT_WIDTH = "borderRightWidth";
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public static final String BORDER_BOTTOM_WIDTH = "borderBottomWidth";
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public static final String BORDER_RADIUS = "borderRadius";
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public static final String BORDER_TOP_LEFT_RADIUS = "borderTopLeftRadius";
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public static final String BORDER_TOP_RIGHT_RADIUS = "borderTopRightRadius";
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public static final String BORDER_BOTTOM_LEFT_RADIUS = "borderBottomLeftRadius";
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public static final String BORDER_BOTTOM_RIGHT_RADIUS = "borderBottomRightRadius";
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public static final String BORDER_COLOR = "borderColor";
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public static final String BORDER_LEFT_COLOR = "borderLeftColor";
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public static final String BORDER_RIGHT_COLOR = "borderRightColor";
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public static final String BORDER_TOP_COLOR = "borderTopColor";
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public static final String BORDER_BOTTOM_COLOR = "borderBottomColor";
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public static final int[] BORDER_SPACING_TYPES = {
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Spacing.ALL, Spacing.START, Spacing.END, Spacing.TOP, Spacing.BOTTOM
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};
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public static final int[] PADDING_MARGIN_SPACING_TYPES = {
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Spacing.ALL, Spacing.VERTICAL, Spacing.HORIZONTAL, Spacing.START, Spacing.END, Spacing.TOP,
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Spacing.BOTTOM
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};
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public static final int[] POSITION_SPACING_TYPES = {
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Spacing.START, Spacing.END, Spacing.TOP, Spacing.BOTTOM
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};
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private static final HashSet<String> LAYOUT_ONLY_PROPS = new HashSet<>(
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Arrays.asList(
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ALIGN_SELF,
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ALIGN_ITEMS,
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COLLAPSABLE,
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FLEX,
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FLEX_BASIS,
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FLEX_DIRECTION,
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FLEX_GROW,
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FLEX_SHRINK,
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FLEX_WRAP,
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JUSTIFY_CONTENT,
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OVERFLOW,
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ALIGN_CONTENT,
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DISPLAY,
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/* position */
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POSITION,
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RIGHT,
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TOP,
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BOTTOM,
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LEFT,
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/* dimensions */
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WIDTH,
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HEIGHT,
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MIN_WIDTH,
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MAX_WIDTH,
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MIN_HEIGHT,
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MAX_HEIGHT,
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/* margins */
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MARGIN,
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MARGIN_VERTICAL,
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MARGIN_HORIZONTAL,
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MARGIN_LEFT,
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MARGIN_RIGHT,
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MARGIN_TOP,
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MARGIN_BOTTOM,
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/* paddings */
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PADDING,
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PADDING_VERTICAL,
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PADDING_HORIZONTAL,
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PADDING_LEFT,
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PADDING_RIGHT,
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PADDING_TOP,
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PADDING_BOTTOM));
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public static boolean sIsOptimizationsEnabled;
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public static boolean isLayoutOnly(ReadableMap map, String prop) {
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if (LAYOUT_ONLY_PROPS.contains(prop)) {
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return true;
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} else if (POINTER_EVENTS.equals(prop)) {
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String value = map.getString(prop);
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return "auto".equals(value);
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}
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if (sIsOptimizationsEnabled) {
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switch (prop) {
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case OPACITY:
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return map.getDouble(OPACITY) == 1d; // Ignore if explicitly set to default opacity.
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case BACKGROUND_COLOR:
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return map.getInt(BACKGROUND_COLOR) == Color.TRANSPARENT;
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case BORDER_RADIUS: // Without a background color or border width set, a border won't show.
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if (map.hasKey(BACKGROUND_COLOR) && map.getInt(BACKGROUND_COLOR) != Color.TRANSPARENT) {
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return false;
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}
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if (map.hasKey(BORDER_WIDTH) && map.getDouble(BORDER_WIDTH) != 0d) {
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return false;
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}
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return true;
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case BORDER_COLOR:
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return map.getInt(BORDER_COLOR) == Color.TRANSPARENT;
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case BORDER_LEFT_COLOR:
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return map.getInt(BORDER_LEFT_COLOR) == Color.TRANSPARENT;
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case BORDER_RIGHT_COLOR:
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return map.getInt(BORDER_RIGHT_COLOR) == Color.TRANSPARENT;
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case BORDER_TOP_COLOR:
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return map.getInt(BORDER_TOP_COLOR) == Color.TRANSPARENT;
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case BORDER_BOTTOM_COLOR:
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return map.getInt(BORDER_BOTTOM_COLOR) == Color.TRANSPARENT;
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case BORDER_WIDTH:
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return map.getDouble(BORDER_WIDTH) == 0d;
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case BORDER_LEFT_WIDTH:
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return map.getDouble(BORDER_LEFT_WIDTH) == 0d;
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case BORDER_TOP_WIDTH:
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return map.getDouble(BORDER_TOP_WIDTH) == 0d;
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case BORDER_RIGHT_WIDTH:
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return map.getDouble(BORDER_RIGHT_WIDTH) == 0d;
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case BORDER_BOTTOM_WIDTH:
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return map.getDouble(BORDER_BOTTOM_WIDTH) == 0d;
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case "onLayout":
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return true;
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case "overflow": // We do nothing with this right now.
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return true;
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default:
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return false;
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}
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}
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return false;
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}
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}
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