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view-debug.js
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view-debug.js
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/* eslint no-cond-assign:0 */
import DebugPort from './debug-port';
import RenderTree from 'ember-debug/libs/render-tree';
import ViewInspection from 'ember-debug/libs/view-inspection';
import bound from 'ember-debug/utils/bound-method';
export default class extends DebugPort {
get adapter() {
return this.namespace?.adapter;
}
get objectInspector() {
return this.namespace?.objectInspector;
}
static {
this.prototype.portNamespace = 'view';
this.prototype.messages = {
getTree({ immediate }) {
this.sendTree(immediate);
},
showInspection({ id, pin }) {
this.viewInspection.show(id, pin);
},
hideInspection() {
this.viewInspection.hide();
},
inspectViews({ inspect }) {
if (inspect) {
this.startInspecting();
} else {
this.stopInspecting();
}
},
scrollIntoView({ id }) {
this.renderTree.scrollIntoView(id);
},
inspectElement({ id }) {
this.renderTree.inspectElement(id);
},
contextMenu() {
let { lastRightClicked } = this;
this.lastRightClicked = null;
this.inspectNearest(lastRightClicked);
},
};
}
init() {
super.init();
let renderTree = (this.renderTree = new RenderTree({
owner: this.getOwner(),
retainObject: bound(
this.objectInspector,
this.objectInspector.retainObject
),
releaseObject: bound(
this.objectInspector,
this.objectInspector.releaseObject
),
inspectNode: bound(this, this.inspectNode),
}));
this.viewInspection = new ViewInspection({
renderTree,
objectInspector: this.objectInspector,
didShow: bound(this, this.didShowInspection),
didHide: bound(this, this.didHideInspection),
didStartInspecting: bound(this, this.didStartInspecting),
didStopInspecting: bound(this, this.didStopInspecting),
});
this.setupListeners();
}
setupListeners() {
this.lastRightClicked = null;
this.scheduledSendTree = null;
window.addEventListener('mousedown', bound(this, this.onRightClick));
window.addEventListener('resize', bound(this, this.onResize));
}
cleanupListeners() {
this.lastRightClicked = null;
window.removeEventListener('mousedown', bound(this, this.onRightClick));
window.removeEventListener('resize', bound(this, this.onResize));
if (this.scheduledSendTree) {
window.clearTimeout(this.scheduledSendTree);
this.scheduledSendTree = null;
}
}
onRightClick(event) {
if (event.button === 2) {
this.lastRightClicked = event.target;
}
}
onResize() {
// TODO hide or redraw highlight/tooltip
}
inspectNearest(node) {
let renderNode = this.viewInspection.inspectNearest(node);
if (!renderNode) {
this.adapter.log('No Ember component found.');
}
}
willDestroy() {
super.willDestroy();
this.cleanupListeners();
this.viewInspection.teardown();
this.renderTree.teardown();
}
/**
* Opens the "Elements" tab and selects the given DOM node. Doesn't work in all
* browsers/addons (only in the Chrome and FF devtools addons at the time of writing).
*
* @method inspectNode
* @param {Node} node The DOM node to inspect
*/
inspectNode(node) {
this.adapter.inspectValue(node);
}
sendTree(immediate = false) {
if (immediate) {
this.send(true);
return;
}
if (this.scheduledSendTree) {
return;
}
this.scheduledSendTree = window.setTimeout(() => {
this.send();
this.scheduledSendTree = null;
}, 250);
}
send() {
if (this.isDestroying || this.isDestroyed) {
return;
}
this.sendMessage('renderTree', {
tree: this.renderTree.build(),
});
}
startInspecting() {
this.viewInspection.start();
}
stopInspecting() {
this.viewInspection.stop();
}
didShowInspection(id, pin) {
if (pin) {
this.sendMessage('inspectComponent', { id });
} else {
this.sendMessage('previewComponent', { id });
}
}
didHideInspection(id, pin) {
this.sendMessage('cancelSelection', { id, pin });
}
didStartInspecting() {
this.sendMessage('startInspecting', {});
}
didStopInspecting() {
this.sendMessage('stopInspecting', {});
}
getOwner() {
return this.namespace?.owner;
}
}