[DevTools] Move dom breakpoints to DOMDebuggerModel

third_party/WebKit/Source/devtools/front_end/sdk/DOMDebuggerModel.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 SDK.DOMDebuggerModel = class extends SDK.SDKModel {
   /**
    * @param {!SDK.Target} target
    */
   constructor(target) {
     super(target);
     this._agent = target.domdebuggerAgent();
     this._runtimeModel = /** @type {!SDK.RuntimeModel} */ (target.model(SDK.RuntimeModel));
     this._domModel = /** @type {!SDK.DOMModel} */ (target.model(SDK.DOMModel));
+    this._domModel.addEventListener(SDK.DOMModel.Events.DocumentUpdated, this._documentUpdated, this);
+    this._domModel.addEventListener(SDK.DOMModel.Events.NodeRemoved, this._nodeRemoved, this);
+
+    /** @type {!Array<!SDK.DOMDebuggerModel.DOMBreakpoint>} */
+    this._domBreakpoints = [];
+    this._domBreakpointsSetting = Common.settings.createLocalSetting('domBreakpoints', []);
+    if (this._domModel.existingDocument())
+      this._documentUpdated();
   }
 
   /**
    * @return {!SDK.RuntimeModel}
    */
   runtimeModel() {
     return this._runtimeModel;
   }
 
   /**
@@ skipping 13 matching lines @@
       var location = this._runtimeModel.debuggerModel().createRawLocationByScriptId(
           payload.scriptId, payload.lineNumber, payload.columnNumber);
       eventListeners.push(new SDK.EventListener(
           this, remoteObject, payload.type, payload.useCapture, payload.passive, payload.once,
           payload.handler ? this._runtimeModel.createRemoteObject(payload.handler) : null,
           payload.originalHandler ? this._runtimeModel.createRemoteObject(payload.originalHandler) : null,
           /** @type {!SDK.DebuggerModel.Location} */ (location), null));
     }
     return eventListeners;
   }
+
+  /**
+   * @return {!Array<!SDK.DOMDebuggerModel.DOMBreakpoint>}
+   */
+  domBreakpoints() {
+    return this._domBreakpoints.slice();
+  }
+
+  /**
+   * @param {!SDK.DOMNode} node
+   * @param {!SDK.DOMDebuggerModel.DOMBreakpoint.Type} type
+   * @return {boolean}
+   */
+  hasDOMBreakpoint(node, type) {
+    return this._domBreakpoints.some(breakpoint => (breakpoint._node === node && breakpoint._type === type));
+  }
+
+  /**
+   * @param {!SDK.DOMNode} node
+   * @param {!SDK.DOMDebuggerModel.DOMBreakpoint.Type} type
+   * @return {!SDK.DOMDebuggerModel.DOMBreakpoint}
+   */
+  setDOMBreakpoint(node, type) {
+    for (var breakpoint of this._domBreakpoints) {
+      if (breakpoint._node === node && breakpoint._type === type) {
+        breakpoint.setEnabled(true);
+        return breakpoint;
+      }
+    }
+    var breakpoint = new SDK.DOMDebuggerModel.DOMBreakpoint(this, node, type, true);
+    this._domBreakpoints.push(breakpoint);
+    this._saveDOMBreakpoints();
+    this.dispatchEventToListeners(SDK.DOMDebuggerModel.Events.DOMBreakpointAdded, breakpoint);
+    return breakpoint;
+  }
+
+  /**
+   * @param {!SDK.DOMNode} node
+   * @param {!SDK.DOMDebuggerModel.DOMBreakpoint.Type} type
+   */
+  removeDOMBreakpoint(node, type) {
+    this._removeDOMBreakpoints(breakpoint => breakpoint._node === node && breakpoint._type === type);
+  }
+
+  removeAllDOMBreakpoints() {
+    this._removeDOMBreakpoints(breakpoint => true);
+  }
+
+  /**
+   * @param {!Object} auxData
+   * @return {?{type: !SDK.DOMDebuggerModel.DOMBreakpoint.Type, node: !SDK.DOMNode, targetNode: ?SDK.DOMNode, insertion: boolean}}
+   */
+  resolveDOMBreakpointData(auxData) {
+    var type = auxData['type'];
+    var node = this._domModel.nodeForId(auxData['nodeId']);
+    if (!type || !node)
+      return null;
+    var targetNode = null;
+    var insertion = false;
+    if (type === SDK.DOMDebuggerModel.DOMBreakpoint.Type.SubtreeModified) {
+      insertion = auxData['insertion'] || false;
+      targetNode = this._domModel.nodeForId(auxData['targetNodeId']);
+    }
+    return {type: type, node: node, targetNode: targetNode, insertion: insertion};
+  }
+
+  /**
+   * @return {string}
+   */
+  _currentURL() {
+    var domDocument = this._domModel.existingDocument();
+    return domDocument ? domDocument.documentURL : '';
+  }
+
+  _documentUpdated() {
+    var removed = this._domBreakpoints;
+    this._domBreakpoints = [];
+    this.dispatchEventToListeners(SDK.DOMDebuggerModel.Events.DOMBreakpointsRemoved, removed);
+
+    var currentURL = this._currentURL();
+    for (var breakpoint of this._domBreakpointsSetting.get()) {
+      if (breakpoint.url !== currentURL)
+        continue;
+      this._domModel.pushNodeByPathToFrontend(breakpoint.path, nodeId => {
+        var node = nodeId ? this._domModel.nodeForId(nodeId) : null;
+        if (!node)
+          return;
+        var domBreakpoint = new SDK.DOMDebuggerModel.DOMBreakpoint(this, node, breakpoint.type, breakpoint.enabled);
+        this._domBreakpoints.push(domBreakpoint);
+        this.dispatchEventToListeners(SDK.DOMDebuggerModel.Events.DOMBreakpointAdded, domBreakpoint);
+      });
+    }
+  }
+
+  /**
+   * @param {function(!SDK.DOMDebuggerModel.DOMBreakpoint):boolean} filter
+   */
+  _removeDOMBreakpoints(filter) {
+    var removed = [];
+    var left = [];
+    for (var breakpoint of this._domBreakpoints) {
+      if (filter(breakpoint)) {
+        removed.push(breakpoint);
+        if (breakpoint._enabled) {
+          breakpoint._enabled = false;
+          breakpoint._disable();
+        }
+      } else {
+        left.push(breakpoint);
+      }
+    }
+
+    if (!removed.length)
+      return;
+    this._domBreakpoints = left;
+    this._saveDOMBreakpoints();
+    this.dispatchEventToListeners(SDK.DOMDebuggerModel.Events.DOMBreakpointsRemoved, removed);
+  }
+
+  /**
+   * @param {!Common.Event} event
+   */
+  _nodeRemoved(event) {
+    var node = /** @type {!SDK.DOMNode} */ (event.data.node);
+    var children = node.children() || [];
+    this._removeDOMBreakpoints(breakpoint => breakpoint._node === node || children.indexOf(breakpoint._node) !== -1);
+  }
+
+  _saveDOMBreakpoints() {
+    var currentURL = this._currentURL();
+    var breakpoints = this._domBreakpointsSetting.get().filter(breakpoint => breakpoint.url !== currentURL);
+    for (var breakpoint of this._domBreakpoints) {
+      breakpoints.push(
+          {url: currentURL, path: breakpoint._node.path(), type: breakpoint._type, enabled: breakpoint._enabled});
+    }
+    this._domBreakpointsSetting.set(breakpoints);
+  }
 };
 
 SDK.SDKModel.register(SDK.DOMDebuggerModel, SDK.Target.Capability.DOM, false);
 
+/** @enum {symbol} */
+SDK.DOMDebuggerModel.Events = {
+  DOMBreakpointAdded: Symbol('DOMBreakpointAdded'),
+  DOMBreakpointToggled: Symbol('DOMBreakpointToggled'),
+  DOMBreakpointsRemoved: Symbol('DOMBreakpointsRemoved'),
+};
+
+SDK.DOMDebuggerModel.DOMBreakpoint = class {
+  /**
+   * @param {!SDK.DOMDebuggerModel} domDebuggerModel
+   * @param {!SDK.DOMNode} node
+   * @param {!SDK.DOMDebuggerModel.DOMBreakpoint.Type} type
+   * @param {boolean} enabled
+   */
+  constructor(domDebuggerModel, node, type, enabled) {

[pfeldman, 2017/04/24 23:46:20]

Hi Java! This could totally be a struct.

[dgozman, 2017/04/25 19:24:25]

Done.

+    this._domDebuggerModel = domDebuggerModel;
+    this._node = node;
+    this._type = type;
+    this._enabled = enabled;
+    if (enabled)
+      this._enable();
+  }
+
+  /**
+   * @return {!SDK.DOMDebuggerModel}
+   */
+  domDebuggerModel() {
+    return this._domDebuggerModel;
+  }
+
+  /**
+   * @return {!SDK.DOMNode}
+   */
+  node() {
+    return this._node;
+  }
+
+  /**
+   * @return {!SDK.DOMDebuggerModel.DOMBreakpoint.Type}
+   */
+  type() {
+    return this._type;
+  }
+
+  /**
+   * @return {boolean}
+   */
+  enabled() {
+    return this._enabled;
+  }
+
+  /**
+   * @param {boolean} enabled
+   */
+  setEnabled(enabled) {
+    if (enabled === this._enabled)
+      return;
+
+    this._enabled = enabled;
+    if (enabled)
+      this._enable();
+    else
+      this._disable();
+    this._domDebuggerModel.dispatchEventToListeners(SDK.DOMDebuggerModel.Events.DOMBreakpointToggled, this);
+  }
+
+  _enable() {
+    this._domDebuggerModel._agent.setDOMBreakpoint(this._node.id, this._type);
+    this._node.setMarker(SDK.DOMDebuggerModel.DOMBreakpoint.Marker, true);
+  }
+
+  _disable() {
+    this._domDebuggerModel._agent.removeDOMBreakpoint(this._node.id, this._type);
+    this._node.setMarker(SDK.DOMDebuggerModel.DOMBreakpoint.Marker, this._nodeHasBreakpoints() ? true : null);
+  }
+
+  /**
+   * @return {boolean}
+   */
+  _nodeHasBreakpoints() {
+    for (var breakpoint of this._domDebuggerModel._domBreakpoints) {

[pfeldman, 2017/04/24 23:46:20]

Move into model, retain private.

[dgozman, 2017/04/25 19:24:25]

Done.

+      if (breakpoint._node === this._node && breakpoint._enabled)
+        return true;
+    }
+    return false;
+  }
+};
+
+/** @typedef {Protocol.DOMDebugger.DOMBreakpointType} */
+SDK.DOMDebuggerModel.DOMBreakpoint.Type = Protocol.DOMDebugger.DOMBreakpointType;
+//   SubtreeModified: Protocol.DOMDebugger.DOMBreakpointType.SubtreeModified,
+//   AttributeModified: Protocol.DOMDebugger.DOMBreakpointType.AttributeModified,
+//   NodeRemoved: Protocol.DOMDebugger.DOMBreakpointType.NodeRemoved,
+// };
+
+SDK.DOMDebuggerModel.DOMBreakpoint.Marker = 'breakpoint-marker';
+
 SDK.EventListener = class {
   /**
    * @param {!SDK.DOMDebuggerModel} domDebuggerModel
    * @param {!SDK.RemoteObject} eventTarget
    * @param {string} type
    * @param {boolean} useCapture
    * @param {boolean} passive
    * @param {boolean} once
    * @param {?SDK.RemoteObject} handler
    * @param {?SDK.RemoteObject} originalHandler
@@ skipping 545 matching lines @@
   /**
    * @override
    * @param {!SDK.DOMDebuggerModel} domDebuggerModel
    */
   modelRemoved(domDebuggerModel) {
   }
 };
 
 /** @type {!SDK.DOMDebuggerManager} */
 SDK.domDebuggerManager;