/
ViewProps.java
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/
ViewProps.java
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/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
package com.facebook.react.uimanager;
import android.graphics.Color;
import com.facebook.react.bridge.ReadableMap;
import java.util.Arrays;
import java.util.HashSet;
/** Keys for props that need to be shared across multiple classes. */
public class ViewProps {
public static final String VIEW_CLASS_NAME = "RCTView";
// Layout only (only affect positions of children, causes no drawing)
// !!! Keep in sync with LAYOUT_ONLY_PROPS below
public static final String ALIGN_ITEMS = "alignItems";
public static final String ALIGN_SELF = "alignSelf";
public static final String ALIGN_CONTENT = "alignContent";
public static final String DISPLAY = "display";
public static final String BOTTOM = "bottom";
public static final String COLLAPSABLE = "collapsable";
public static final String FLEX = "flex";
public static final String FLEX_GROW = "flexGrow";
public static final String FLEX_SHRINK = "flexShrink";
public static final String FLEX_BASIS = "flexBasis";
public static final String FLEX_DIRECTION = "flexDirection";
public static final String FLEX_WRAP = "flexWrap";
public static final String HEIGHT = "height";
public static final String JUSTIFY_CONTENT = "justifyContent";
public static final String LEFT = "left";
public static final String MARGIN = "margin";
public static final String MARGIN_VERTICAL = "marginVertical";
public static final String MARGIN_HORIZONTAL = "marginHorizontal";
public static final String MARGIN_LEFT = "marginLeft";
public static final String MARGIN_RIGHT = "marginRight";
public static final String MARGIN_TOP = "marginTop";
public static final String MARGIN_BOTTOM = "marginBottom";
public static final String MARGIN_START = "marginStart";
public static final String MARGIN_END = "marginEnd";
public static final String PADDING = "padding";
public static final String PADDING_VERTICAL = "paddingVertical";
public static final String PADDING_HORIZONTAL = "paddingHorizontal";
public static final String PADDING_LEFT = "paddingLeft";
public static final String PADDING_RIGHT = "paddingRight";
public static final String PADDING_TOP = "paddingTop";
public static final String PADDING_BOTTOM = "paddingBottom";
public static final String PADDING_START = "paddingStart";
public static final String PADDING_END = "paddingEnd";
public static final String POSITION = "position";
public static final String RIGHT = "right";
public static final String TOP = "top";
public static final String WIDTH = "width";
public static final String START = "start";
public static final String END = "end";
public static final String AUTO = "auto";
public static final String NONE = "none";
public static final String BOX_NONE = "box-none";
public static final String MIN_WIDTH = "minWidth";
public static final String MAX_WIDTH = "maxWidth";
public static final String MIN_HEIGHT = "minHeight";
public static final String MAX_HEIGHT = "maxHeight";
public static final String ASPECT_RATIO = "aspectRatio";
// Props that sometimes may prevent us from collapsing views
public static final String POINTER_EVENTS = "pointerEvents";
// Props that affect more than just layout
public static final String ENABLED = "enabled";
public static final String BACKGROUND_COLOR = "backgroundColor";
public static final String COLOR = "color";
public static final String FONT_SIZE = "fontSize";
public static final String FONT_WEIGHT = "fontWeight";
public static final String FONT_STYLE = "fontStyle";
public static final String FONT_VARIANT = "fontVariant";
public static final String FONT_FAMILY = "fontFamily";
public static final String LINE_HEIGHT = "lineHeight";
public static final String LETTER_SPACING = "letterSpacing";
public static final String NEEDS_OFFSCREEN_ALPHA_COMPOSITING = "needsOffscreenAlphaCompositing";
public static final String NUMBER_OF_LINES = "numberOfLines";
public static final String ELLIPSIZE_MODE = "ellipsizeMode";
public static final String ON = "on";
public static final String RESIZE_MODE = "resizeMode";
public static final String RESIZE_METHOD = "resizeMethod";
public static final String TEXT_ALIGN = "textAlign";
public static final String TEXT_ALIGN_VERTICAL = "textAlignVertical";
public static final String TEXT_DECORATION_LINE = "textDecorationLine";
public static final String TEXT_BREAK_STRATEGY = "textBreakStrategy";
public static final String OPACITY = "opacity";
public static final String OVERFLOW = "overflow";
public static final String HIDDEN = "hidden";
public static final String SCROLL = "scroll";
public static final String VISIBLE = "visible";
public static final String ALLOW_FONT_SCALING = "allowFontScaling";
public static final String MAX_FONT_SIZE_MULTIPLIER = "maxFontSizeMultiplier";
public static final String INCLUDE_FONT_PADDING = "includeFontPadding";
public static final String BORDER_WIDTH = "borderWidth";
public static final String BORDER_LEFT_WIDTH = "borderLeftWidth";
public static final String BORDER_START_WIDTH = "borderStartWidth";
public static final String BORDER_END_WIDTH = "borderEndWidth";
public static final String BORDER_TOP_WIDTH = "borderTopWidth";
public static final String BORDER_RIGHT_WIDTH = "borderRightWidth";
public static final String BORDER_BOTTOM_WIDTH = "borderBottomWidth";
public static final String BORDER_RADIUS = "borderRadius";
public static final String BORDER_TOP_LEFT_RADIUS = "borderTopLeftRadius";
public static final String BORDER_TOP_RIGHT_RADIUS = "borderTopRightRadius";
public static final String BORDER_BOTTOM_LEFT_RADIUS = "borderBottomLeftRadius";
public static final String BORDER_BOTTOM_RIGHT_RADIUS = "borderBottomRightRadius";
public static final String BORDER_COLOR = "borderColor";
public static final String BORDER_LEFT_COLOR = "borderLeftColor";
public static final String BORDER_RIGHT_COLOR = "borderRightColor";
public static final String BORDER_TOP_COLOR = "borderTopColor";
public static final String BORDER_BOTTOM_COLOR = "borderBottomColor";
public static final String BORDER_TOP_START_RADIUS = "borderTopStartRadius";
public static final String BORDER_TOP_END_RADIUS = "borderTopEndRadius";
public static final String BORDER_BOTTOM_START_RADIUS = "borderBottomStartRadius";
public static final String BORDER_BOTTOM_END_RADIUS = "borderBottomEndRadius";
public static final String BORDER_START_COLOR = "borderStartColor";
public static final String BORDER_END_COLOR = "borderEndColor";
public static final String ON_LAYOUT = "onLayout";
public static final String TRANSFORM = "transform";
public static final String ELEVATION = "elevation";
public static final String Z_INDEX = "zIndex";
public static final String RENDER_TO_HARDWARE_TEXTURE = "renderToHardwareTextureAndroid";
public static final String ACCESSIBILITY_LABEL = "accessibilityLabel";
public static final String ACCESSIBILITY_HINT = "accessibilityHint";
public static final String ACCESSIBILITY_LIVE_REGION = "accessibilityLiveRegion";
public static final String ACCESSIBILITY_ROLE = "accessibilityRole";
public static final String ACCESSIBILITY_STATE = "accessibilityState";
public static final String ACCESSIBILITY_ACTIONS = "accessibilityActions";
public static final String ACCESSIBILITY_VALUE = "accessibilityValue";
public static final String IMPORTANT_FOR_ACCESSIBILITY = "importantForAccessibility";
// DEPRECATED
public static final String ROTATION = "rotation";
public static final String SCALE_X = "scaleX";
public static final String SCALE_Y = "scaleY";
public static final String TRANSLATE_X = "translateX";
public static final String TRANSLATE_Y = "translateY";
/** Used to locate views in end-to-end (UI) tests. */
public static final String TEST_ID = "testID";
public static final String NATIVE_ID = "nativeID";
public static final int[] BORDER_SPACING_TYPES = {
Spacing.ALL,
Spacing.START,
Spacing.END,
Spacing.TOP,
Spacing.BOTTOM,
Spacing.LEFT,
Spacing.RIGHT
};
public static final int[] PADDING_MARGIN_SPACING_TYPES = {
Spacing.ALL,
Spacing.VERTICAL,
Spacing.HORIZONTAL,
Spacing.START,
Spacing.END,
Spacing.TOP,
Spacing.BOTTOM,
Spacing.LEFT,
Spacing.RIGHT,
};
public static final int[] POSITION_SPACING_TYPES = {
Spacing.START, Spacing.END, Spacing.TOP, Spacing.BOTTOM
};
private static final HashSet<String> LAYOUT_ONLY_PROPS =
new HashSet<>(
Arrays.asList(
ALIGN_SELF,
ALIGN_ITEMS,
COLLAPSABLE,
FLEX,
FLEX_BASIS,
FLEX_DIRECTION,
FLEX_GROW,
FLEX_SHRINK,
FLEX_WRAP,
JUSTIFY_CONTENT,
ALIGN_CONTENT,
DISPLAY,
/* position */
POSITION,
RIGHT,
TOP,
BOTTOM,
LEFT,
START,
END,
/* dimensions */
WIDTH,
HEIGHT,
MIN_WIDTH,
MAX_WIDTH,
MIN_HEIGHT,
MAX_HEIGHT,
/* margins */
MARGIN,
MARGIN_VERTICAL,
MARGIN_HORIZONTAL,
MARGIN_LEFT,
MARGIN_RIGHT,
MARGIN_TOP,
MARGIN_BOTTOM,
MARGIN_START,
MARGIN_END,
/* paddings */
PADDING,
PADDING_VERTICAL,
PADDING_HORIZONTAL,
PADDING_LEFT,
PADDING_RIGHT,
PADDING_TOP,
PADDING_BOTTOM,
PADDING_START,
PADDING_END));
public static boolean isLayoutOnly(ReadableMap map, String prop) {
if (LAYOUT_ONLY_PROPS.contains(prop)) {
return true;
} else if (POINTER_EVENTS.equals(prop)) {
String value = map.getString(prop);
return AUTO.equals(value) || BOX_NONE.equals(value);
}
switch (prop) {
case OPACITY:
// null opacity behaves like opacity = 1
// Ignore if explicitly set to default opacity.
return map.isNull(OPACITY) || map.getDouble(OPACITY) == 1d;
case BORDER_RADIUS: // Without a background color or border width set, a border won't show.
if (map.hasKey(BACKGROUND_COLOR) && map.getInt(BACKGROUND_COLOR) != Color.TRANSPARENT) {
return false;
}
if (map.hasKey(BORDER_WIDTH)
&& !map.isNull(BORDER_WIDTH)
&& map.getDouble(BORDER_WIDTH) != 0d) {
return false;
}
return true;
case BORDER_LEFT_COLOR:
return !map.isNull(BORDER_LEFT_COLOR) && map.getInt(BORDER_LEFT_COLOR) == Color.TRANSPARENT;
case BORDER_RIGHT_COLOR:
return !map.isNull(BORDER_RIGHT_COLOR)
&& map.getInt(BORDER_RIGHT_COLOR) == Color.TRANSPARENT;
case BORDER_TOP_COLOR:
return !map.isNull(BORDER_TOP_COLOR) && map.getInt(BORDER_TOP_COLOR) == Color.TRANSPARENT;
case BORDER_BOTTOM_COLOR:
return !map.isNull(BORDER_BOTTOM_COLOR)
&& map.getInt(BORDER_BOTTOM_COLOR) == Color.TRANSPARENT;
case BORDER_WIDTH:
return map.isNull(BORDER_WIDTH) || map.getDouble(BORDER_WIDTH) == 0d;
case BORDER_LEFT_WIDTH:
return map.isNull(BORDER_LEFT_WIDTH) || map.getDouble(BORDER_LEFT_WIDTH) == 0d;
case BORDER_TOP_WIDTH:
return map.isNull(BORDER_TOP_WIDTH) || map.getDouble(BORDER_TOP_WIDTH) == 0d;
case BORDER_RIGHT_WIDTH:
return map.isNull(BORDER_RIGHT_WIDTH) || map.getDouble(BORDER_RIGHT_WIDTH) == 0d;
case BORDER_BOTTOM_WIDTH:
return map.isNull(BORDER_BOTTOM_WIDTH) || map.getDouble(BORDER_BOTTOM_WIDTH) == 0d;
case OVERFLOW:
return map.isNull(OVERFLOW) || VISIBLE.equals(map.getString(OVERFLOW));
default:
return false;
}
}
}