Bug 698371 - Fixup front-end callers and enable some thumbnail tests for e10s. r=dao

browser/base/content/browser-tabPreviews.js

@@ -47,10 +47,6 @@ var tabPreviews = {
   },
 
   capture: function tabPreviews_capture(aTab, aShouldCache) {
-    // Bug 863512 - Make page thumbnails work in electrolysis
-    if (gMultiProcessBrowser)
-      return new Image();
-
     let browser = aTab.linkedBrowser;
     let uri = browser.currentURI.spec;
 
@@ -77,7 +73,7 @@ var tabPreviews = {
       aTab.__thumbnail_lastURI = uri;
     }
 
-    PageThumbs.captureToCanvas(aTab.linkedBrowser.contentWindow, canvas);
+    PageThumbs.captureToCanvas(browser, canvas);
     return canvas;
   },
 

browser/base/content/browser-thumbnails.js

@@ -33,10 +33,6 @@ let gBrowserThumbnails = {
   _tabEvents: ["TabClose", "TabSelect"],
 
   init: function Thumbnails_init() {
-    // Bug 863512 - Make page thumbnails work in electrolysis
-    if (gMultiProcessBrowser)
-      return;
-
     PageThumbs.addExpirationFilter(this);
     gBrowser.addTabsProgressListener(this);
     Services.prefs.addObserver(this.PREF_DISK_CACHE_SSL, this, false);
@@ -52,10 +48,6 @@ let gBrowserThumbnails = {
   },
 
   uninit: function Thumbnails_uninit() {
-    // Bug 863512 - Make page thumbnails work in electrolysis
-    if (gMultiProcessBrowser)
-      return;
-
     PageThumbs.removeExpirationFilter(this);
     gBrowser.removeTabsProgressListener(this);
     Services.prefs.removeObserver(this.PREF_DISK_CACHE_SSL, this);
@@ -125,10 +117,6 @@ let gBrowserThumbnails = {
 
   // FIXME: This should be part of the PageThumbs API. (bug 1062414)
   _shouldCapture: function Thumbnails_shouldCapture(aBrowser) {
-    // Don't try to capture in e10s yet (because of bug 698371)
-    if (gMultiProcessBrowser)
-      return false;
-
     // Capture only if it's the currently selected tab.
     if (aBrowser != gBrowser.selectedBrowser)
       return false;
@@ -144,14 +132,18 @@ let gBrowserThumbnails = {
     if (doc instanceof SVGDocument || doc instanceof XMLDocument)
       return false;
 
-    // There's no point in taking screenshot of loading pages.
-    if (aBrowser.docShell.busyFlags != Ci.nsIDocShell.BUSY_FLAGS_NONE)
-      return false;
-
     // Don't take screenshots of about: pages.
     if (aBrowser.currentURI.schemeIs("about"))
       return false;
 
+    // FIXME e10s work around, we need channel information. bug 1073957
+    if (!aBrowser.docShell)
+      return true;
+
+    // There's no point in taking screenshot of loading pages.
+    if (aBrowser.docShell.busyFlags != Ci.nsIDocShell.BUSY_FLAGS_NONE)
+      return false;
+
     let channel = aBrowser.docShell.currentDocumentChannel;
 
     // No valid document channel. We shouldn't take a screenshot.

browser/base/content/socialchat.xml

@@ -707,7 +707,7 @@
         canvas.mozOpaque = true;
         canvas.width = 160 * scale;
         canvas.height = 90 * scale;
-        PageThumbs.captureToCanvas(chatbox.contentWindow, canvas);
+        PageThumbs.captureToCanvas(chatbox, canvas);
         dt.setDragImage(canvas, -16 * scale, -16 * scale);
 
         event.stopPropagation();

browser/base/content/tabbrowser.xml

@@ -4530,7 +4530,7 @@
         canvas.height = 90 * scale;
         if (!gMultiProcessBrowser) {
           // Bug 863512 - Make page thumbnails work in e10s
-          PageThumbs.captureToCanvas(browser.contentWindow, canvas);
+          PageThumbs.captureToCanvas(browser, canvas);
         }
         dt.setDragImage(canvas, -16 * scale, -16 * scale);
 

browser/components/tabview/tabitems.js

@@ -1383,15 +1383,9 @@ TabCanvas.prototype = Utils.extend(new Subscribable(), {
     if (!w || !h)
       return;
 
-    if (!this.tab.linkedBrowser.contentWindow) {
-      Utils.log('no tab.linkedBrowser.contentWindow in TabCanvas.paint()');
-      return;
-    }
-
-    let win = this.tab.linkedBrowser.contentWindow;
-    gPageThumbnails.captureToCanvas(win, this.canvas);
-
+    gPageThumbnails.captureToCanvas(this.tab.linkedBrowser, this.canvas, () => {
       this._sendToSubscribers("painted");
+    });
   },
 
   // ----------

toolkit/components/thumbnails/test/browser.ini

@@ -1,5 +1,4 @@
 [DEFAULT]
-skip-if = e10s # Bug 863512 - thumbnails are disabled with e10s enabled.
 support-files =
   background_red.html
   background_red_redirect.sjs
@@ -12,15 +11,16 @@ support-files =
 
 [browser_thumbnails_bg_bad_url.js]
 [browser_thumbnails_bg_crash_during_capture.js]
-skip-if = buildapp == 'mulet' || !crashreporter
+skip-if = buildapp == 'mulet' || !crashreporter || e10s # crashing the remote thumbnailer crashes the remote test tab
 [browser_thumbnails_bg_crash_while_idle.js]
-skip-if = buildapp == 'mulet' || !crashreporter
+skip-if = buildapp == 'mulet' || !crashreporter || e10s
 [browser_thumbnails_bg_basic.js]
 [browser_thumbnails_bg_queueing.js]
 [browser_thumbnails_bg_timeout.js]
 [browser_thumbnails_bg_redirect.js]
 [browser_thumbnails_bg_destroy_browser.js]
 [browser_thumbnails_bg_no_cookies_sent.js]
+skip-if = e10s # e10s cookie problems
 [browser_thumbnails_bg_no_cookies_stored.js]
 [browser_thumbnails_bg_no_auth_prompt.js]
 [browser_thumbnails_bg_no_alert.js]
@@ -29,12 +29,18 @@ skip-if = buildapp == 'mulet' || !crashreporter
 [browser_thumbnails_bug726727.js]
 skip-if = buildapp == 'mulet'
 [browser_thumbnails_bug727765.js]
+skip-if = e10s # tries to open crypto/local file from the child
 [browser_thumbnails_bug818225.js]
+skip-if = (e10s && os == 'linux') # load event issues. see original bug for follow up.
 [browser_thumbnails_capture.js]
+skip-if = e10s # tries to call drawWindow with a remote browser.
 [browser_thumbnails_expiration.js]
 [browser_thumbnails_privacy.js]
+skip-if = e10s # nsSSLStatus has null mServerCert, bug 820466
 [browser_thumbnails_redirect.js]
+skip-if = e10s # bug 1050869
 [browser_thumbnails_storage.js]
 [browser_thumbnails_storage_migrate3.js]
 skip-if = buildapp == 'mulet'
 [browser_thumbnails_update.js]
+skip-if = e10s # tries to open crypto/local file from the child

toolkit/components/thumbnails/test/head.js

@@ -137,6 +137,7 @@ function captureAndCheckColor(aRed, aGreen, aBlue, aMessage) {
 /**
  * For a given URL, loads the corresponding thumbnail
  * to a canvas and passes its image data to the callback.
+ * Note, not compat with e10s!
  * @param aURL The url associated with the thumbnail.
  * @param aCallback The function to pass the image data to.
  */