[RN] Don't destroy containers when they are not visible
This essentially reverts
023359b9d2
In the filmstrip we keep a container full of thumbnail views. Destroying these
every time we want we want to hide it is costly, as new renderers have to be
recreated, and they lack context, so there is an increased chance for "black
thumbnails".
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parent
2525bb2805
commit
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@ -69,11 +69,6 @@ export default class AbstractContainer extends Component {
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...filteredProps
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...filteredProps
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} = props || this.props;
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} = props || this.props;
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// visible
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if (typeof visible !== 'undefined' && !visible) {
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return null;
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}
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return React.createElement(type, filteredProps, children);
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return React.createElement(type, filteredProps, children);
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}
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}
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}
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}
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@ -1,5 +1,6 @@
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import React from 'react';
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import React from 'react';
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import {
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import {
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Dimensions,
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TouchableHighlight,
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TouchableHighlight,
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TouchableWithoutFeedback,
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TouchableWithoutFeedback,
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View
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View
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@ -28,15 +29,43 @@ export default class Container extends AbstractContainer {
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*/
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*/
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render() {
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render() {
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// eslint-disable-next-line prefer-const
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// eslint-disable-next-line prefer-const
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let { onClick, style, touchFeedback, ...props } = this.props;
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let { onClick, style, touchFeedback, visible, ...props } = this.props;
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// visible
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// The following property is responsible to hide/show this Container by
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// moving it out of site of the screen boundaries. An attempt to use the
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// opacity property was made in order to eventually implement a
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// fadeIn/fadeOut animation, however a known React Native problem was
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// discovered, which allows the view to still capture touch events even
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// if hidden.
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let visibilityStyle;
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if (typeof visible !== 'undefined' && !visible) {
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const windowDimensions = Dimensions.get('window');
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visibilityStyle = {
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bottom: -windowDimensions.height,
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right: -windowDimensions.width
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};
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}
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// onClick & touchFeedback
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(typeof touchFeedback === 'undefined') && (touchFeedback = onClick);
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const renderParent = touchFeedback || onClick;
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if (!renderParent && visibilityStyle) {
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style = {
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...style,
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...visibilityStyle
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};
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}
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// eslint-disable-next-line object-property-newline
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// eslint-disable-next-line object-property-newline
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let component = this._render(View, { ...props, style });
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let component = this._render(View, { ...props, style });
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if (component) {
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if (renderParent) {
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// onClick & touchFeedback
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(typeof touchFeedback === 'undefined') && (touchFeedback = onClick);
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if (touchFeedback || onClick) {
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const parentType
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const parentType
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= touchFeedback
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= touchFeedback
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? TouchableHighlight
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? TouchableHighlight
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@ -44,11 +73,11 @@ export default class Container extends AbstractContainer {
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const parentProps = {};
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const parentProps = {};
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onClick && (parentProps.onPress = onClick);
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onClick && (parentProps.onPress = onClick);
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visibilityStyle && (parentProps.style = visibilityStyle);
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component
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component
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= React.createElement(parentType, parentProps, component);
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= React.createElement(parentType, parentProps, component);
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}
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}
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}
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return component;
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return component;
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}
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}
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@ -20,6 +20,12 @@ export default class Container extends AbstractContainer {
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* @returns {ReactElement}
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* @returns {ReactElement}
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*/
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*/
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render() {
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render() {
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const { visible } = this.props;
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if (typeof visible !== 'undefined' && !visible) {
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return null;
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}
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return this._render('div');
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return this._render('div');
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}
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}
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}
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}
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