The Tor Browser: layout/tools/layout-debug/ui/content/layoutdebug.js@44a2da4a2ab2 (annotated)

layout/tools/layout-debug/ui/content/layoutdebug.js@44a2da4a2ab2 (annotated)

layout/tools/layout-debug/ui/content/layoutdebug.js

Fri, 16 Jan 2015 04:50:19 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 04:50:19 +0100
branch: TOR_BUG_9701
changeset 13: 44a2da4a2ab2
permissions: -rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 var gBrowser;
 var gProgressListener;
 var gDebugger;
 var gRTestIndexList;
 var gRTestURLList = null;
 const nsILayoutDebuggingTools = Components.interfaces.nsILayoutDebuggingTools;
 const nsIDocShell = Components.interfaces.nsIDocShell;
 const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
 const NS_LAYOUT_DEBUGGINGTOOLS_CONTRACTID = "@mozilla.org/layout-debug/layout-debuggingtools;1";
 function nsLDBBrowserContentListener()
 {
   this.init();
 }
 nsLDBBrowserContentListener.prototype = {
   init : function()
     {
       this.mStatusText = document.getElementById("status-text");
       this.mURLBar = document.getElementById("urlbar");
       this.mForwardButton = document.getElementById("forward-button");
       this.mBackButton = document.getElementById("back-button");
       this.mStopButton = document.getElementById("stop-button");
     },
   QueryInterface : function(aIID)
     {
       if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||
           aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
           aIID.equals(Components.interfaces.nsISupports))
         return this;
       throw Components.results.NS_NOINTERFACE;
     },
   // nsIWebProgressListener implementation
   onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus)
     {
       if (!(aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) ||
           aWebProgress != gBrowser.webProgress)
         return;
       if (aStateFlags & nsIWebProgressListener.STATE_START) {
         this.setButtonEnabled(this.mStopButton, true);
         this.setButtonEnabled(this.mForwardButton, gBrowser.canGoForward);
         this.setButtonEnabled(this.mBackButton, gBrowser.canGoBack);
         this.mStatusText.value = "loading...";
         this.mLoading = true;
       } else if (aStateFlags & nsIWebProgressListener.STATE_STOP) {
         this.setButtonEnabled(this.mStopButton, false);
         this.mStatusText.value = this.mURLBar.value + " loaded";
         if (gRTestURLList && this.mLoading) {
           // Let other things happen in the first 20ms, since this
           // doesn't really seem to be when the page is done loading.
           setTimeout("gRTestURLList.doneURL()", 20);
         }
         this.mLoading = false;
       }
     },
   onProgressChange : function(aWebProgress, aRequest,
                               aCurSelfProgress, aMaxSelfProgress,
                               aCurTotalProgress, aMaxTotalProgress)
     {
     },
   onLocationChange : function(aWebProgress, aRequest, aLocation, aFlags)
     {
       this.mURLBar.value = aLocation.spec;
       this.setButtonEnabled(this.mForwardButton, gBrowser.canGoForward);
       this.setButtonEnabled(this.mBackButton, gBrowser.canGoBack);
     },
   onStatusChange : function(aWebProgress, aRequest, aStatus, aMessage)
     {
       this.mStatusText.value = aMessage;
     },
   onSecurityChange : function(aWebProgress, aRequest, aState)
     {
     },
   // non-interface methods
   setButtonEnabled : function(aButtonElement, aEnabled)
     {
       if (aEnabled)
         aButtonElement.removeAttribute("disabled");
       else
         aButtonElement.setAttribute("disabled", "true");
     },
   mStatusText : null,
   mURLBar : null,
   mForwardButton : null,
   mBackButton : null,
   mStopButton : null,
   mLoading : false
 }
 function OnLDBLoad()
 {
   gBrowser = document.getElementById("browser");
   gProgressListener = new nsLDBBrowserContentListener();
   gBrowser.addProgressListener(gProgressListener);
   gDebugger = Components.classes[NS_LAYOUT_DEBUGGINGTOOLS_CONTRACTID].
                   createInstance(nsILayoutDebuggingTools);
   if (window.arguments && window.arguments[0])
     gBrowser.loadURI(window.arguments[0]);
   else
     gBrowser.goHome();
   gDebugger.init(gBrowser.contentWindow);
   checkPersistentMenus();
   gRTestIndexList = new RTestIndexList();
 }
 function checkPersistentMenu(item)
 {
   var menuitem = document.getElementById("menu_" + item);
   menuitem.setAttribute("checked", gDebugger[item]);
 }
 function checkPersistentMenus()
 {
   // Restore the toggles that are stored in prefs.
   checkPersistentMenu("paintFlashing");
   checkPersistentMenu("paintDumping");
   checkPersistentMenu("invalidateDumping");
   checkPersistentMenu("eventDumping");
   checkPersistentMenu("motionEventDumping");
   checkPersistentMenu("crossingEventDumping");
   checkPersistentMenu("reflowCounts");
 }
 function OnLDBUnload()
 {
   gBrowser.removeProgressListener(gProgressListener);
 }
 function toggle(menuitem)
 {
   // trim the initial "menu_"
   var feature = menuitem.id.substring(5);
   gDebugger[feature] = menuitem.getAttribute("checked") == "true";
 }
 function openFile()
 {
   var nsIFilePicker = Components.interfaces.nsIFilePicker;
   var fp = Components.classes["@mozilla.org/filepicker;1"]
         .createInstance(nsIFilePicker);
   fp.init(window, "Select a File", nsIFilePicker.modeOpen);
   fp.appendFilters(nsIFilePicker.filterHTML | nsIFilePicker.filterAll);
   if (fp.show() == nsIFilePicker.returnOK && fp.fileURL.spec &&
                 fp.fileURL.spec.length > 0) {
     gBrowser.loadURI(fp.fileURL.spec);
   }
 }
 const LDB_RDFNS = "http://mozilla.org/newlayout/LDB-rdf#";
 const NC_RDFNS = "http://home.netscape.com/NC-rdf#";
 function RTestIndexList() {
   this.init();
 }
 RTestIndexList.prototype = {
   init : function()
     {
       const nsIPrefService = Components.interfaces.nsIPrefService;
       const PREF_SERVICE_CONTRACTID = "@mozilla.org/preferences-service;1";
       const PREF_BRANCH_NAME = "layout_debugger.rtest_url.";
       const nsIRDFService = Components.interfaces.nsIRDFService;
       const RDF_SERVICE_CONTRACTID = "@mozilla.org/rdf/rdf-service;1";
       const nsIRDFDataSource = Components.interfaces.nsIRDFDataSource;
       const RDF_DATASOURCE_CONTRACTID =
           "@mozilla.org/rdf/datasource;1?name=in-memory-datasource";
       this.mPrefService = Components.classes[PREF_SERVICE_CONTRACTID].
                               getService(nsIPrefService);
       this.mPrefBranch = this.mPrefService.getBranch(PREF_BRANCH_NAME);
       this.mRDFService = Components.classes[RDF_SERVICE_CONTRACTID].
                              getService(nsIRDFService);
       this.mDataSource = Components.classes[RDF_DATASOURCE_CONTRACTID].
                              createInstance(nsIRDFDataSource);
       this.mLDB_Root = this.mRDFService.GetResource(LDB_RDFNS + "Root");
       this.mNC_Name = this.mRDFService.GetResource(NC_RDFNS + "name");
       this.mNC_Child = this.mRDFService.GetResource(NC_RDFNS + "child");
       this.load();
       document.getElementById("menu_RTest_baseline").database.
           AddDataSource(this.mDataSource);
       document.getElementById("menu_RTest_verify").database.
           AddDataSource(this.mDataSource);
       document.getElementById("menu_RTest_remove").database.
           AddDataSource(this.mDataSource);
     },
   save : function()
     {
       this.mPrefBranch.deleteBranch("");
       const nsIRDFLiteral = Components.interfaces.nsIRDFLiteral;
       const nsIRDFResource = Components.interfaces.nsIRDFResource;
       var etor = this.mDataSource.GetTargets(this.mLDB_Root,
                                              this.mNC_Child, true);
       var i = 0;
       while (etor.hasMoreElements()) {
         var resource = etor.getNext().QueryInterface(nsIRDFResource);
         var literal = this.mDataSource.GetTarget(resource, this.mNC_Name, true);
         literal = literal.QueryInterface(nsIRDFLiteral);
         this.mPrefBranch.setCharPref(i.toString(), literal.Value);
         ++i;
       }
       this.mPrefService.savePrefFile(null);
     },
   load : function()
     {
       var prefList = this.mPrefBranch.getChildList("");
       var i = 0;
       for (var pref in prefList) {
         var file = this.mPrefBranch.getCharPref(pref);
         var resource = this.mRDFService.GetResource(file);
         var literal = this.mRDFService.GetLiteral(file);
         this.mDataSource.Assert(this.mLDB_Root, this.mNC_Child, resource, true);
         this.mDataSource.Assert(resource, this.mNC_Name, literal, true);
         ++i;
       }
     },
   /* Add a new list of regression tests to the menus. */
   add : function()
     {
       const nsIFilePicker = Components.interfaces.nsIFilePicker;
       const NS_FILEPICKER_CONTRACTID = "@mozilla.org/filepicker;1";
       var fp = Components.classes[NS_FILEPICKER_CONTRACTID].
                    createInstance(nsIFilePicker);
       // XXX l10n (but this is just for 5 developers, so no problem)
       fp.init(window, "New Regression Test List", nsIFilePicker.modeOpen);
       fp.appendFilters(nsIFilePicker.filterAll);
       fp.defaultString = "rtest.lst";
       if (fp.show() != nsIFilePicker.returnOK)
         return;
       var file = fp.file.persistentDescriptor;
       var resource = this.mRDFService.GetResource(file);
       var literal = this.mRDFService.GetLiteral(file);
       this.mDataSource.Assert(this.mLDB_Root, this.mNC_Child, resource, true);
       this.mDataSource.Assert(resource, this.mNC_Name, literal, true);
       this.save();
     },
   remove : function(file)
     {
       var resource = this.mRDFService.GetResource(file);
       var literal = this.mRDFService.GetLiteral(file);
       this.mDataSource.Unassert(this.mLDB_Root, this.mNC_Child, resource);
       this.mDataSource.Unassert(resource, this.mNC_Name, literal);
       this.save();
     },
   mPrefBranch : null,
   mPrefService : null,
   mRDFService : null,
   mDataSource : null,
   mLDB_Root : null,
   mNC_Child : null,
   mNC_Name : null
 }
 const nsIFileInputStream = Components.interfaces.nsIFileInputStream;
 const nsILineInputStream = Components.interfaces.nsILineInputStream;
 const nsIFile = Components.interfaces.nsIFile;
 const nsILocalFile = Components.interfaces.nsILocalFile;
 const nsIFileURL = Components.interfaces.nsIFileURL;
 const nsIIOService = Components.interfaces.nsIIOService;
 const nsILayoutRegressionTester = Components.interfaces.nsILayoutRegressionTester;
 const NS_LOCAL_FILE_CONTRACTID = "@mozilla.org/file/local;1";
 const IO_SERVICE_CONTRACTID = "@mozilla.org/network/io-service;1";
 const NS_LOCALFILEINPUTSTREAM_CONTRACTID =
           "@mozilla.org/network/file-input-stream;1";
 function RunRTest(aFilename, aIsBaseline, aIsPrinting)
 {
   if (gRTestURLList) {
     // XXX Does alert work?
     alert("Already running regression test.\n");
     return;
   }
   dump("Running " + (aIsBaseline?"baseline":"verify") +
       (aIsPrinting?" PrintMode":"") + " test for " + aFilename + ".\n");
   var listFile = Components.classes[NS_LOCAL_FILE_CONTRACTID].
                     createInstance(nsILocalFile);
   listFile.persistentDescriptor = aFilename;
   gRTestURLList = new RTestURLList(listFile, aIsBaseline, aIsPrinting);
   gRTestURLList.startURL();
 }
 function RTestURLList(aLocalFile, aIsBaseline, aIsPrinting) {
   this.init(aLocalFile, aIsBaseline, aIsPrinting);
 }
 RTestURLList.prototype = {
   init : function(aLocalFile, aIsBaseline, aIsPrinting)
     {
       this.mIsBaseline = aIsBaseline;
       this.mIsPrinting = aIsPrinting;
       this.mURLs = new Array();
       this.readFileList(aLocalFile);
       this.mRegressionTester =
         Components.classes["@mozilla.org/layout-debug/regressiontester;1"].
           createInstance(nsILayoutRegressionTester)
     },
   readFileList : function(aLocalFile)
     {
       var ios = Components.classes[IO_SERVICE_CONTRACTID]
                 .getService(nsIIOService);
       var dirURL = ios.newFileURI(aLocalFile.parent);
       var fis = Components.classes[NS_LOCALFILEINPUTSTREAM_CONTRACTID].
                     createInstance(nsIFileInputStream);
       fis.init(aLocalFile, -1, -1, false);
       var lis = fis.QueryInterface(nsILineInputStream);
       var line = {value:null};
       do {
         var more = lis.readLine(line);
         var str = line.value;
         str = /^[^#]*/.exec(str); // strip everything after "#"
         str = /\S*/.exec(str); // take the first chunk of non-whitespace
         if (!str || str == "")
           continue;
         var item = dirURL.resolve(str);
         if (item.match(/\/rtest.lst$/)) {
           var itemurl = ios.newURI(item, null, null);
           itemurl = itemurl.QueryInterface(nsIFileURL);
           this.readFileList(itemurl.file);
         } else {
           this.mURLs.push( {url:item, dir:aLocalFile.parent, relurl:str} );
         }
       } while (more);
     },
   doneURL : function()
   {
     var basename =
       String(this.mCurrentURL.relurl).replace(/[:=&.\/?]/g, "_") + ".rgd";
     var data = this.mCurrentURL.dir.clone();
     data.append( this.mIsBaseline ? "baseline" : "verify");
     if (!data.exists())
       data.create(nsIFile.DIRECTORY_TYPE, 0777)
     data.append(basename);
     dump("Writing regression data to " +
          data.QueryInterface(nsILocalFile).persistentDescriptor + "\n");
     if (this.mIsPrinting) {
       this.mRegressionTester.dumpFrameModel(gBrowser.contentWindow, data,
         nsILayoutRegressionTester.DUMP_FLAGS_MASK_PRINT_MODE);
     }
     else {
        this.mRegressionTester.dumpFrameModel(gBrowser.contentWindow, data, 0);
     }
     if (!this.mIsBaseline) {
       var base_data = this.mCurrentURL.dir.clone();
       base_data.append("baseline");
       base_data.append(basename);
       dump("Comparing to regression data from " +
            base_data.QueryInterface(nsILocalFile).persistentDescriptor + "\n");
       var filesDiffer =
         this.mRegressionTester.compareFrameModels(base_data, data,
           nsILayoutRegressionTester.COMPARE_FLAGS_BRIEF)
       dump("Comparison for " + this.mCurrentURL.url + " " +
            (filesDiffer ? "failed" : "passed") + ".\n");
     }
     this.mCurrentURL = null;
     this.startURL();
   },
   startURL : function()
   {
     this.mCurrentURL = this.mURLs.shift();
     if (!this.mCurrentURL) {
       gRTestURLList = null;
       return;
     }
     gBrowser.loadURI(this.mCurrentURL.url);
   },
   mURLs : null,
   mCurrentURL : null, // url (string), dir (nsIFileURL), relurl (string)
   mIsBaseline : null,
   mRegressionTester : null,
   mIsPrinting : null
 }