133 lines
3.6 KiB
JavaScript
133 lines
3.6 KiB
JavaScript
/**
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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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* @providesModule InspectorOverlay
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*/
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'use strict';
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var Dimensions = require('Dimensions');
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var Inspector = require('Inspector');
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var React = require('React');
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var StyleSheet = require('StyleSheet');
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var Text = require('Text');
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var UIManager = require('NativeModules').UIManager;
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var View = require('View');
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var ElementBox = require('ElementBox');
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var ElementProperties = require('ElementProperties');
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var InspectorOverlay = React.createClass({
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getInitialState: function() {
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return {
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frame: null,
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pointerY: 0,
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hierarchy: [],
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selection: -1,
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};
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},
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findViewForTouchEvent: function(e) {
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var {locationX, locationY} = e.nativeEvent.touches[0];
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UIManager.findSubviewIn(
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this.props.inspectedViewTag,
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[locationX, locationY],
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(nativeViewTag, left, top, width, height) => {
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var instance = Inspector.findInstanceByNativeTag(this.props.rootTag, nativeViewTag);
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if (!instance) {
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return;
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}
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var hierarchy = Inspector.getOwnerHierarchy(instance);
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var publicInstance = instance.getPublicInstance();
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this.setState({
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hierarchy,
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pointerY: locationY,
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selection: hierarchy.length - 1,
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frame: {left, top, width, height},
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style: publicInstance.props ? publicInstance.props.style : {},
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});
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}
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);
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},
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setSelection(i) {
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var instance = this.state.hierarchy[i];
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var publicInstance = instance.getPublicInstance();
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UIManager.measure(React.findNodeHandle(instance), (x, y, width, height, left, top) => {
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this.setState({
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frame: {left, top, width, height},
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style: publicInstance.props ? publicInstance.props.style : {},
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selection: i,
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});
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});
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},
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shouldSetResponser: function(e) {
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this.findViewForTouchEvent(e);
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return true;
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},
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render: function() {
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var content = [];
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var justifyContent = 'flex-end';
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if (this.state.frame) {
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var distanceToTop = this.state.pointerY;
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var distanceToBottom = Dimensions.get('window').height - distanceToTop;
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justifyContent = distanceToTop > distanceToBottom
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? 'flex-start'
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: 'flex-end';
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content.push(<ElementBox frame={this.state.frame} style={this.state.style} />);
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content.push(
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<ElementProperties
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style={this.state.style}
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frame={this.state.frame}
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hierarchy={this.state.hierarchy}
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selection={this.state.selection}
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setSelection={this.setSelection}
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/>
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);
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} else {
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content.push(
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<View style={styles.welcomeMessage}>
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<Text style={styles.welcomeText}>Welcome to the inspector! Tap something to inspect it.</Text>
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</View>
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);
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}
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return (
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<View
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onStartShouldSetResponder={this.shouldSetResponser}
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onResponderMove={this.findViewForTouchEvent}
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style={[styles.inspector, {justifyContent}]}>
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{content}
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</View>
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);
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}
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});
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var styles = StyleSheet.create({
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welcomeMessage: {
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backgroundColor: 'rgba(0, 0, 0, 0.7)',
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padding: 10,
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paddingVertical: 50,
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},
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welcomeText: {
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color: 'white',
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},
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inspector: {
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backgroundColor: 'rgba(255,255,255,0.0)',
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position: 'absolute',
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left: 0,
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top: 0,
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right: 0,
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bottom: 0,
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},
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});
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module.exports = InspectorOverlay;
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