Bug 885289 - Improve context menu behaviour for srcdoc iframes. r=mconley, r=bz

browser/base/content/browser-context.inc

@@ -311,7 +311,7 @@
                     label="&openFrameCmd.label;"
                     accesskey="&openFrameCmd.accesskey;"
                     oncommand="gContextMenu.openFrame();"/>
-          <menuseparator/>
+          <menuseparator id="open-frame-sep"/>
           <menuitem id="context-reloadframe"
                     label="&reloadFrameCmd.label;"
                     accesskey="&reloadFrameCmd.accesskey;"

browser/base/content/nsContextMenu.js

@@ -277,6 +277,18 @@ nsContextMenu.prototype = {
     this.showItem("context-keywordfield",
                   this.onTextInput && this.onKeywordField);
     this.showItem("frame", this.inFrame);
+
+    // srcdoc cannot be opened separately due to concerns about web
+    // content with about:srcdoc in location bar masquerading as trusted
+    // chrome/addon content.
+    // No need to also test for this.inFrame as this is checked in the parent
+    // submenu.
+    this.showItem("context-showonlythisframe", !this.inSrcdocFrame);
+    this.showItem("context-openframeintab", !this.inSrcdocFrame);
+    this.showItem("context-openframe", !this.inSrcdocFrame);
+    this.showItem("context-bookmarkframe", !this.inSrcdocFrame);
+    this.showItem("open-frame-sep", !this.inSrcdocFrame);
+
     this.showItem("frame-sep", this.inFrame && isTextSelected);
 
     // Hide menu entries for images, show otherwise
@@ -516,6 +528,7 @@ nsContextMenu.prototype = {
     this.linkProtocol      = "";
     this.onMathML          = false;
     this.inFrame           = false;
+    this.inSrcdocFrame     = false;
     this.inSyntheticDoc    = false;
     this.hasBGImage        = false;
     this.bgImageURL        = "";
@@ -679,11 +692,11 @@ nsContextMenu.prototype = {
     // See if the user clicked in a frame.
     var docDefaultView = this.target.ownerDocument.defaultView;
     if (docDefaultView != docDefaultView.top) {
-      // srcdoc iframes are not considered frames for concerns about web
-      // content with about:srcdoc in location bar masqurading as trusted
-      // chrome/addon content.
-      if (!this.target.ownerDocument.isSrcdocDocument)
       this.inFrame = true;
+
+      if (this.target.ownerDocument.isSrcdocDocument) {
+          this.inSrcdocFrame = true;
+      }
     }
 
     // if the document is editable, show context menu like in text inputs
@@ -713,6 +726,7 @@ nsContextMenu.prototype = {
           this.onCompletedImage  = false;
           this.onMathML          = false;
           this.inFrame           = false;
+          this.inSrcdocFrame     = false;
           this.hasBGImage        = false;
           this.isDesignMode      = true;
           this.onEditableArea = true;

browser/base/content/test/subtst_contextmenu.html

@@ -67,5 +67,6 @@ Browser context menu subtest.
 <input id="test-select-input-text-type-password" type="password" value="password">
 <embed id="test-plugin" style="width: 200px; height: 200px;" type="application/x-test"></embed>
 <img id="test-longdesc" src="ctxmenu-image.png" longdesc="http://www.mozilla.org"></embed>
+<iframe id="test-srcdoc" width="98"  height="98" srcdoc="Hello World" style="border: 1px solid black"></iframe>
 </body>
 </html>

browser/base/content/test/test_contextmenu.html

@@ -955,6 +955,33 @@ function runTest(testNum) {
                           "context-viewimagedesc",        true
                          ].concat(inspectItems));
         closeContextMenu();
+        openContextMenuFor(srcdoc);
+        return;
+
+    case 31:
+        // Context menu for an iframe with srcdoc attribute set
+        checkContextMenu(["context-back",         false,
+                          "context-forward",      false,
+                          "context-reload",       true,
+                          "---",                  null,
+                          "context-bookmarkpage", true,
+                          "context-savepage",     true,
+                          "---",                  null,
+                          "context-viewbgimage",  false,
+                          "context-selectall",    true,
+                          "frame",                null,
+                              ["context-reloadframe",       true,
+                               "---",                       null,
+                               "context-saveframe",         true,
+                               "---",                       null,
+                               "context-printframe",        true,
+                               "---",                       null,
+                               "context-viewframesource",   true,
+                               "context-viewframeinfo",     true], null,
+                          "---",                  null,
+                          "context-viewsource",   true,
+                          "context-viewinfo",     true
+        ].concat(inspectItems));
 
         // finish test
         subwindow.close();
@@ -984,7 +1011,7 @@ var text, link, mailto, input, img, canvas, video_ok, video_bad, video_bad2,
     iframe, video_in_iframe, image_in_iframe, textarea, contenteditable,
     inputspell, pagemenu, dom_full_screen, plainTextItems, audio_in_video,
     selecttext, selecttextlink, imagelink, select_inputtext, select_inputtext_password,
-    plugin, longdesc;
+    plugin, longdesc, iframe;
 
 function startTest() {
     chromeWin = SpecialPowers.wrap(subwindow)
@@ -1034,6 +1061,7 @@ function startTest() {
     select_inputtext_password = subwindow.document.getElementById("test-select-input-text-type-password");
     plugin = subwindow.document.getElementById("test-plugin");
     longdesc = subwindow.document.getElementById("test-longdesc");
+    srcdoc = subwindow.document.getElementById("test-srcdoc");
 
     contextMenu.addEventListener("popupshown", function() { runTest(++testNum); }, false);
     runTest(1);

content/base/src/nsContentUtils.cpp

@@ -6105,7 +6105,8 @@ nsContentUtils::SetUpChannelOwner(nsIPrincipal* aLoadingPrincipal,
     if (aForceOwner) {
       nsAutoCString uriStr;
       aURI->GetSpec(uriStr);
-      if(!uriStr.EqualsLiteral("about:srcdoc")) {
+      if(!uriStr.EqualsLiteral("about:srcdoc") &&
+         !uriStr.EqualsLiteral("view-source:about:srcdoc")) {
         nsCOMPtr<nsIURI> ownerURI;
         nsresult rv = aLoadingPrincipal->GetURI(getter_AddRefs(ownerURI));
         MOZ_ASSERT(NS_SUCCEEDED(rv) && SchemeIs(ownerURI, NS_NULLPRINCIPAL_SCHEME));