Bug 32359 - fix context menu for mailtos

patch by gerv, r=bz,dr sr=alecf

xpfe/communicator/resources/content/contentAreaContextOverlay.xul

@@ -47,13 +47,16 @@
       <!-- Open ==================================== -->
       <menuitem id="context-openlink"
                 label="&openLinkCmd.label;"
+                accesskey="&openLinkCmd.accesskey;"
                 oncommand="contextMenu.openLink();"/>
       <!-- XXX - DEPENDENT ON PRESENCE OF EDITOR!! - XXX -->
       <menuitem id="context-editlink"
                 label="&editLinkCmd.label;"
+                accesskey="&editLinkCmd.accesskey;"
                 oncommand="contextMenu.editLink();"/>
       <menuitem id="context-openframe"
                 label="&openFrameCmd.label;"
+                accesskey="&openFrameCmd.accesskey;"
                 oncommand="contextMenu.openFrame();"/>
       <menuitem id="context-showonlythisframe"
                 label="&showOnlyThisFrameCmd.label;"
@@ -84,18 +87,23 @@
       <!-- View ==================================== -->
       <menuitem id="context-viewsource"
                 label="&viewPageSourceCmd.label;"
+                accesskey="&viewPageSourceCmd.accesskey;"
                 oncommand="BrowserViewSource();"/>
       <menuitem id="context-viewframesource"
                 label="&viewFrameSourceCmd.label;"
+                accesskey="&viewFrameSourceCmd.accesskey;"
                 oncommand="contextMenu.viewFrameSource();"/>
       <menuitem id="context-viewinfo"
                 label="&viewPageInfoCmd.label;"
+                accesskey="&viewPageInfoCmd.accesskey;"
                 oncommand="contextMenu.viewInfo();"/>
       <menuitem id="context-viewframeinfo"
                 label="&viewFrameInfoCmd.label;"
+                accesskey="&viewFrameInfoCmd.accesskey;"
                 oncommand="contextMenu.viewFrameInfo();"/>
       <menuitem id="context-viewimage"
                 label="&viewImageCmd.label;"
+                accesskey="&viewImageCmd.accesskey;"
                 oncommand="contextMenu.viewImage();"/>
       <menuitem id="context-viewbgimage"
                 label="&viewBGImageCmd.label;"
@@ -147,6 +155,10 @@
                 label="&pasteCmd.label;"
                 accesskey="&pasteCmd.accesskey;"
                 command="cmd_paste"/>
+      <menuitem id="context-copyemail"
+                label="&copyEmailCmd.label;"
+                accesskey="&copyEmailCmd.accesskey;"
+                oncommand="contextMenu.copyEmail();"/>
       <menuitem id="context-copylink"
                 label="&copyLinkCmd.label;"
                 accesskey="&copyLinkCmd.accesskey;"

xpfe/communicator/resources/content/nsContextMenu.js

@@ -177,6 +177,9 @@ nsContextMenu.prototype = {
         // nsDocumentViewer.cpp has code to determine whether we're
         // on a link or an image. we really ought to be using that...
 
+        // Copy email link depends on whether we're on an email link.
+        this.showItem( "context-copyemail", this.onMailtoLink );
+
         // Copy link location depends on whether we're on a link.
         this.showItem( "context-copylink", this.onLink );
 
@@ -344,6 +347,7 @@ nsContextMenu.prototype = {
                     this.onMetaDataItem = true;
                     // Remember corresponding element.
                     this.link = elem;
+                    this.onMailtoLink = this.isLinkType( "mailto:", this.link );
                     // Remember if it is saveable.
                     this.onSaveableLink = this.isLinkSaveable( this.link );
                 }
@@ -383,23 +387,32 @@ nsContextMenu.prototype = {
     },
     // Returns true iff clicked on link is saveable.
     isLinkSaveable : function ( link ) {
+        // We don't do the Right Thing for news/snews yet, so turn them off
+        // until we do.
+        return !(this.isLinkType( "mailto:" , link )     ||
+                 this.isLinkType( "javascript:" , link ) ||
+                 this.isLinkType( "news:", link )        || 
+                 this.isLinkType( "snews:", link ) ); 
+    },
+    // Returns true iff clicked on link is of type given.
+    isLinkType : function ( linktype, link ) {        
         try {
             // Test for missing protocol property.
             if ( !link.protocol ) {
                 // We must resort to testing the URL string :-(.
                 var protocol;
-                if (link.href) {
-                    protocol = link.href.substr( 0, 11 );
+                if ( link.href ) {
+                    protocol = link.href.substr( 0, linktype.length );
                 } else {
                     protocol = link.getAttributeNS("http://www.w3.org/1999/xlink","href");
-                    if (protocol) {
-                        protocol = protocol.substr( 0, 11 );
+                    if ( protocol ) {
+                        protocol = protocol.substr( 0, linktype.length );
                     }
                 }
-                return protocol.toLowerCase() != "javascript:";
+                return protocol.toLowerCase() === linktype;        
             } else {
                 // Presume all but javascript: urls are saveable.
-                return link.protocol.toLowerCase() != "javascript:";
+                return link.protocol.toLowerCase() === linktype;
             }
         } catch (e) {
             // something was wrong with the link,
@@ -461,6 +474,25 @@ nsContextMenu.prototype = {
     saveImage : function () {
         this.savePage( this.imageURL, true );
     },
+    // Generate email address and put it on clipboard.
+    copyEmail : function () {
+        // Copy the comma-separated list of email addresses only.
+        // There are other ways of embedding email addresses in a mailto:
+        // link, but such complex parsing is beyond us.
+        var url = this.linkURL();
+        var qmark = url.indexOf( "?" );
+        var addresses;
+        
+        if ( qmark > 7 ) {                   // 7 == length of "mailto:"
+            addresses = url.substring( 7, qmark );
+        } else {
+            addresses = url.substr( 7 );
+        }
+
+        var clipboard = this.getService( "@mozilla.org/widget/clipboardhelper;1",
+                                         Components.interfaces.nsIClipboardHelper );
+        clipboard.copyString(addresses);
+    },    
     // Open Metadata window for node
     showMetadata : function () {
         window.openDialog(  "chrome://navigator/content/metadata.xul",

xpfe/communicator/resources/locale/en-US/contentAreaCommands.dtd

@@ -52,6 +52,8 @@
 <!ENTITY copyImageCmd.accesskey       "m">
 <!ENTITY metadataCmd.label            "Properties">
 <!ENTITY metadataCmd.accesskey        "">
+<!ENTITY copyEmailCmd.label           "Copy Email Address">
+<!ENTITY copyEmailCmd.accesskey       "e">
 <!ENTITY pasteCmd.label               "Paste">
 <!ENTITY pasteCmd.accesskey           "p">
 <!ENTITY cutCmd.label                 "Cut">