mirror of
https://github.com/zhigang1992/react-native.git
synced 2026-04-25 12:55:41 +08:00
Initial commit
This commit is contained in:
161
Libraries/Components/Image/Image.ios.js
Normal file
161
Libraries/Components/Image/Image.ios.js
Normal file
@@ -0,0 +1,161 @@
|
||||
/**
|
||||
* Copyright 2004-present Facebook. All Rights Reserved.
|
||||
*
|
||||
* @providesModule Image
|
||||
*/
|
||||
'use strict';
|
||||
|
||||
var EdgeInsetsPropType = require('EdgeInsetsPropType');
|
||||
var NativeMethodsMixin = require('NativeMethodsMixin');
|
||||
var NativeModulesDeprecated = require('NativeModulesDeprecated');
|
||||
var PropTypes = require('ReactPropTypes');
|
||||
var ImageResizeMode = require('ImageResizeMode');
|
||||
var ImageSourcePropType = require('ImageSourcePropType');
|
||||
var ImageStylePropTypes = require('ImageStylePropTypes');
|
||||
var React = require('React');
|
||||
var ReactIOSViewAttributes = require('ReactIOSViewAttributes');
|
||||
var StyleSheet = require('StyleSheet');
|
||||
var StyleSheetPropType = require('StyleSheetPropType');
|
||||
|
||||
var createReactIOSNativeComponentClass = require('createReactIOSNativeComponentClass');
|
||||
var flattenStyle = require('flattenStyle');
|
||||
var insetsDiffer = require('insetsDiffer');
|
||||
var invariant = require('invariant');
|
||||
var merge = require('merge');
|
||||
var warning = require('warning');
|
||||
|
||||
/**
|
||||
* <Image> - A react component for displaying different types of images,
|
||||
* including network images, static resources, temporary local images, and
|
||||
* images from local disk, such as the camera roll. Example usage:
|
||||
*
|
||||
* renderImages: function() {
|
||||
* return (
|
||||
* <View>
|
||||
* <Image
|
||||
* style={styles.icon}
|
||||
* source={ix('myIcon')}
|
||||
* />
|
||||
* <Image
|
||||
* style={styles.logo}
|
||||
* source={{uri: 'http://facebook.github.io/react/img/logo_og.png'}}
|
||||
* />
|
||||
* </View>
|
||||
* );
|
||||
* },
|
||||
*
|
||||
* More example code in ImageExample.js
|
||||
*/
|
||||
|
||||
var Image = React.createClass({
|
||||
propTypes: {
|
||||
source: ImageSourcePropType,
|
||||
/**
|
||||
* accessible - Whether this element should be revealed as an accessible
|
||||
* element.
|
||||
*/
|
||||
accessible: PropTypes.bool,
|
||||
/**
|
||||
* accessibilityLabel - Custom string to display for accessibility.
|
||||
*/
|
||||
accessibilityLabel: PropTypes.string,
|
||||
/**
|
||||
* capInsets - When the image is resized, the corners of the size specified
|
||||
* by capInsets will stay a fixed size, but the center content and borders
|
||||
* of the image will be stretched. This is useful for creating resizable
|
||||
* rounded buttons, shadows, and other resizable assets. More info:
|
||||
*
|
||||
* https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIImage_Class/index.html#//apple_ref/occ/instm/UIImage/resizableImageWithCapInsets:
|
||||
*/
|
||||
capInsets: EdgeInsetsPropType,
|
||||
style: StyleSheetPropType(ImageStylePropTypes),
|
||||
/**
|
||||
* testID - A unique identifier for this element to be used in UI Automation
|
||||
* testing scripts.
|
||||
*/
|
||||
testID: PropTypes.string,
|
||||
},
|
||||
|
||||
statics: {
|
||||
resizeMode: ImageResizeMode,
|
||||
sourcePropType: ImageSourcePropType,
|
||||
},
|
||||
|
||||
mixins: [NativeMethodsMixin],
|
||||
|
||||
/**
|
||||
* `NativeMethodsMixin` will look for this when invoking `setNativeProps`. We
|
||||
* make `this` look like an actual native component class.
|
||||
*/
|
||||
viewConfig: {
|
||||
uiViewClassName: 'UIView',
|
||||
validAttributes: ReactIOSViewAttributes.UIView
|
||||
},
|
||||
|
||||
render: function() {
|
||||
var style = flattenStyle([styles.base, this.props.style]);
|
||||
var source = this.props.source;
|
||||
var isNetwork = source.uri && source.uri.match(/^https?:/);
|
||||
invariant(
|
||||
!(isNetwork && source.isStatic),
|
||||
'static image uris cannot start with "http": "' + source.uri + '"'
|
||||
);
|
||||
var isStored = !source.isStatic && !isNetwork;
|
||||
var RawImage = isNetwork ? RKNetworkImage : RKStaticImage;
|
||||
|
||||
if (this.props.style && this.props.style.tintColor) {
|
||||
warning(RawImage === RKStaticImage, 'tintColor style only supported on static images.');
|
||||
}
|
||||
|
||||
var contentModes = NativeModulesDeprecated.RKUIManager.UIView.ContentMode;
|
||||
var resizeMode;
|
||||
if (style.resizeMode === ImageResizeMode.stretch) {
|
||||
resizeMode = contentModes.ScaleToFill;
|
||||
} else if (style.resizeMode === ImageResizeMode.contain) {
|
||||
resizeMode = contentModes.ScaleAspectFit;
|
||||
} else { // ImageResizeMode.cover or undefined
|
||||
resizeMode = contentModes.ScaleAspectFill;
|
||||
}
|
||||
|
||||
var nativeProps = merge(this.props, {
|
||||
style,
|
||||
resizeMode,
|
||||
tintColor: style.tintColor,
|
||||
});
|
||||
|
||||
if (isStored) {
|
||||
nativeProps.imageTag = source.uri;
|
||||
} else {
|
||||
nativeProps.src = source.uri;
|
||||
}
|
||||
return <RawImage {...nativeProps} />;
|
||||
}
|
||||
});
|
||||
|
||||
var styles = StyleSheet.create({
|
||||
base: {
|
||||
overflow: 'hidden',
|
||||
},
|
||||
});
|
||||
|
||||
var CommonImageViewAttributes = merge(ReactIOSViewAttributes.UIView, {
|
||||
accessible: true,
|
||||
accessibilityLabel: true,
|
||||
capInsets: {diff: insetsDiffer}, // UIEdgeInsets=UIEdgeInsetsZero
|
||||
imageTag: true,
|
||||
resizeMode: true,
|
||||
src: true,
|
||||
testID: PropTypes.string,
|
||||
});
|
||||
|
||||
var RKStaticImage = createReactIOSNativeComponentClass({
|
||||
validAttributes: merge(CommonImageViewAttributes, { tintColor: true }),
|
||||
uiViewClassName: 'RCTStaticImage',
|
||||
});
|
||||
|
||||
var RKNetworkImage = createReactIOSNativeComponentClass({
|
||||
validAttributes: merge(CommonImageViewAttributes, { defaultImageSrc: true }),
|
||||
uiViewClassName: 'RCTNetworkImageView',
|
||||
});
|
||||
|
||||
module.exports = Image;
|
||||
Reference in New Issue
Block a user