DevTools: introduce persistence/ module

third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js

 // Copyright 2014 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.
 
 /**
  * @constructor
  * @implements {WebInspector.TabbedEditorContainerDelegate}
  * @implements {WebInspector.Searchable}
  * @implements {WebInspector.Replaceable}
  * @extends {WebInspector.VBox}
@@ skipping 39 matching lines @@
     this._scriptViewToolbar = new WebInspector.Toolbar("", this._toolbarContainerElement);
 
     WebInspector.startBatchUpdate();
     workspace.uiSourceCodes().forEach(this._addUISourceCode.bind(this));
     WebInspector.endBatchUpdate();
 
     workspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, this._uiSourceCodeAdded, this);
     workspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, this._uiSourceCodeRemoved, this);
     workspace.addEventListener(WebInspector.Workspace.Events.ProjectRemoved, this._projectRemoved.bind(this), this);
 
+    /**
+     * @param {!Event} event
+     */
     function handleBeforeUnload(event)
     {
         if (event.returnValue)
             return;
-        var unsavedSourceCodes = WebInspector.workspace.unsavedSourceCodes();
+
+        var unsavedSourceCodes = [];
+        var projects = WebInspector.workspace.projectsForType(WebInspector.projectTypes.FileSystem);
+        for (var i = 0; i < projects.length; ++i)
+            unsavedSourceCodes = unsavedSourceCodes.concat(projects[i].uiSourceCodes().filter(isUnsaved));
+
         if (!unsavedSourceCodes.length)
             return;
 
         event.returnValue = WebInspector.UIString("DevTools have unsaved changes that will be permanently lost.");
         WebInspector.inspectorView.setCurrentPanel(WebInspector.SourcesPanel.instance());
         for (var i = 0; i < unsavedSourceCodes.length; ++i)
             WebInspector.Revealer.reveal(unsavedSourceCodes[i]);
+
+        /**
+         * @param {!WebInspector.UISourceCode} sourceCode
+         * @return {boolean}
+         */
+        function isUnsaved(sourceCode)
+        {
+            var binding = WebInspector.persistence.binding(sourceCode);
+            if (binding)
+                return binding.network.isDirty() || binding.persistent.isDirty();

[dgozman, 2016/09/22 19:55:54]

Only check network.

[lushnikov, 2016/09/23 21:56:13]

Done.

+            return sourceCode.isDirty();
+        }
     }
+
     if (!window.opener)
         window.addEventListener("beforeunload", handleBeforeUnload, true);
 
     this._shortcuts = {};
     this.element.addEventListener("keydown", this._handleKeyDown.bind(this), false);
 }
 
 /** @enum {symbol} */
 WebInspector.SourcesView.Events = {
     EditorClosed: Symbol("EditorClosed"),
@@ skipping 693 matching lines @@
      */
     handleAction: function(context, actionId)
     {
         var sourcesView = WebInspector.context.flavor(WebInspector.SourcesView);
         if (!sourcesView)
             return false;
         sourcesView._editorContainer.closeAllFiles();
         return true;
     }
 }