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https://github.com/status-im/react-native.git
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51e76fd166
Summary: The `InspectorOverlay` component was getting unwieldy, so I broke it into three components: - Inspector - InspectorOverlay - InspectorPanel and added @flow types. The inspector was also living under the `ReactIOS` directory, and I moved it up into the `Libraries` directory, as the inspector will soon be usable [on Android](https://phabricator.fb.com/D2138319). All features of the inspector should remain functional, with the addition of one feature: - you can toggle "touch to inspect" by tapping the "Inspect" button at the bottom of the inspection panel. When inspection is disabled, the panel remains, but you can interact with the app normally without touches being intercepted @public Test Plan: Open the inspector: - touch to inspect things, verify that margin, padding, size and position are reported correctly, and that the component hierarchy is navigable. - tap the "Inspect" button, and verify that you can interact with the app normally. {F22548949} [Video of toggling inspection](https://www.latest.facebook.com/pxlcld/mrs9)
66 lines
2.0 KiB
JavaScript
66 lines
2.0 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 InspectorUtils
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*/
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'use strict';
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var ReactInstanceHandles = require('ReactInstanceHandles');
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var ReactInstanceMap = require('ReactInstanceMap');
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var ReactNativeMount = require('ReactNativeMount');
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var ReactNativeTagHandles = require('ReactNativeTagHandles');
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function traverseOwnerTreeUp(hierarchy, instance) {
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if (instance) {
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hierarchy.unshift(instance);
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traverseOwnerTreeUp(hierarchy, instance._currentElement._owner);
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}
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}
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function findInstance(component, targetID) {
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if (targetID === findRootNodeID(component)) {
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return component;
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}
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if (component._renderedComponent) {
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return findInstance(component._renderedComponent, targetID);
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} else {
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for (var key in component._renderedChildren) {
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var child = component._renderedChildren[key];
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if (ReactInstanceHandles.isAncestorIDOf(findRootNodeID(child), targetID)) {
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var instance = findInstance(child, targetID);
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if (instance) {
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return instance;
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}
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}
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}
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}
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}
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function findRootNodeID(component) {
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var internalInstance = ReactInstanceMap.get(component);
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return internalInstance ? internalInstance._rootNodeID : component._rootNodeID;
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}
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function findInstanceByNativeTag(rootTag, nativeTag) {
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var containerID = ReactNativeTagHandles.tagToRootNodeID[rootTag];
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var rootInstance = ReactNativeMount._instancesByContainerID[containerID];
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var targetID = ReactNativeTagHandles.tagToRootNodeID[nativeTag];
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if (!targetID) {
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return undefined;
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}
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return findInstance(rootInstance, targetID);
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}
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function getOwnerHierarchy(instance) {
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var hierarchy = [];
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traverseOwnerTreeUp(hierarchy, instance);
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return hierarchy;
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}
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module.exports = {findInstanceByNativeTag, getOwnerHierarchy};
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