Bug #216133 --> port thunderbird changes for the new content policy manager from the branch to the trunk.

mail/app/profile/thunderbird.js

@@ -108,6 +108,8 @@ pref("mailnews.hints_and_tips.url","chrome://messenger-region/locale/region.prop
 pref("compose.throbber.url","chrome://messenger-region/locale/region.properties");
 pref("addressbook.throbber.url","chrome://messenger-region/locale/region.properties");
 
+pref("network.image.imageBehavior", 2);
+
 /////////////////////////////////////////////////////////////////
 // End seamonkey suite mailnews.js pref overrides
 ///////////////////////////////////////////////////////////////// 

mail/base/content/mailWindow.js

@@ -459,6 +459,7 @@ function loadStartPage() {
     try {
         // collapse the junk bar
         SetUpJunkBar(null);
+        SetUpRemoteContentBar(null);
 
         var startpageenabled = pref.getBoolPref("mailnews.start_page.enabled");
 

mail/base/content/mailWindowOverlay.js

@@ -34,6 +34,14 @@ const kClassicMailLayout = 0;
 const kWideMailLayout = 1;
 const kVerticalMailLayout = 2;
 
+// Per message headder flags to keep track of whether the user is allowing remote
+// content for a particular message. 
+// if you change or add more values to these constants, be sure to modify
+// the corresponding definitions in nsMsgContentPolicy.cpp
+const kNoRemoteContentPolicy = 0;
+const kBlockRemoteContent = 1;
+const kAllowRemoteContent = 2;
+
 var gMessengerBundle;
 var gPromptService;
 var gOfflinePromptsBundle;
@@ -2048,6 +2056,41 @@ function SetUpJunkBar(aMsgHdr)
   return (isJunk && isAlreadyCollapsed) || (!isJunk && !isAlreadyCollapsed);
 }
 
+// hides or shows the remote content bar based on the property in the msg hdr
+function SetUpRemoteContentBar(aMsgHdr)
+{
+  var showRemoteContentBar = false;
+  if (aMsgHdr && aMsgHdr.getUint32Property("remoteContentPolicy") == kBlockRemoteContent)
+    showRemoteContentBar = true;
+
+  var remoteContentBar = document.getElementById("remoteContentBar");
+  
+  if (showRemoteContentBar)
+    remoteContentBar.removeAttribute("collapsed");
+  else
+    remoteContentBar.setAttribute("collapsed","true");
+}
+
+function LoadMsgWithRemoteContent()
+{
+  // we want to get the msg hdr for the currently selected message
+  // change the "remoteContentBar" property on it
+  // then reload the message
+
+  var msgURI = GetLoadedMessage();
+  var msgHdr = null;
+    
+  if (msgURI && !(/type=x-message-display/.test(msgURI)))
+  {
+    msgHdr = messenger.messageServiceFromURI(msgURI).messageURIToMsgHdr(msgURI);
+    if (msgHdr)
+    {
+      msgHdr.setUint32Property("remoteContentPolicy", kAllowRemoteContent); 
+      MsgReload();
+    }
+  }
+}
+
 function MarkCurrentMessageAsRead()
 {
   gDBView.doCommand(nsMsgViewCommandType.markMessagesRead);
@@ -2082,13 +2125,10 @@ function OnMsgLoaded(aUrl)
     if (!folder || !msgURI)
       return;
 
-    if (/type=x-message-display/.test(msgURI))
-      SetUpJunkBar(null);
-    else
-    {
+    if (!(/type=x-message-display/.test(msgURI)))
       msgHdr = messenger.messageServiceFromURI(msgURI).messageURIToMsgHdr(msgURI);
-      SetUpJunkBar(msgHdr);
-    }
+        
+    SetUpJunkBar(msgHdr);
 
     // we just finished loading a message. set a timer to actually mark the message is read after n seconds
     // where n can be configured by the user.

mail/base/content/mailWindowOverlay.xul

@@ -1837,6 +1837,13 @@
   <button label="&notJunkButton.label;" oncommand="JunkSelectedMessages(false)"/>
 </hbox>
 
+<hbox id="remoteContentBar" collapsed="true" align="center">
+  <image id="remoteContentImage"/>
+  <label id="remoteContentMessage" value="&remoteContenMessage.label;"/>
+  <spacer flex="1"/>
+  <button label="&loadRemoteContentButton.label;" oncommand="LoadMsgWithRemoteContent()"/>
+</hbox>
+
 <statusbar class="chromeclass-status" id="status-bar">
   <hbox insertbefore="unreadMessageCount" flex="1">
     <statusbarpanel id="statusText" label="&statusText.label;" flex="1"/>

mail/base/content/messageWindow.xul

@@ -132,6 +132,7 @@
         ondragexit="nsDragAndDrop.dragExit(event, messagepaneObserver);">
 
     <hbox id="junkBar"/>
+    <hbox id="remoteContentBar"/>
 
     <hbox id="msgHeaderView"/>
 

mail/base/content/messenger.xul

@@ -365,6 +365,7 @@
 
         <vbox id="messagepanebox" flex="1" minheight="100" height="200" minwidth="100" width="200" persist="collapsed height width">
           <hbox id="junkBar"/>
+          <hbox id="remoteContentBar"/>
           <hbox id="msgHeaderView"/>
           <browser id="messagepane" context="messagePaneContext" autofind="false"
                    minheight="1" flex="1" name="messagepane"

mail/base/content/msgHdrViewOverlay.js

@@ -306,6 +306,7 @@ var messageHeaderSink = {
       gBuildAttachmentPopupForCurrentMsg = true;
       ClearAttachmentList();
       ClearEditMessageButton();
+      SetUpRemoteContentBar(null);
 
       for (index in gMessageListeners)
         gMessageListeners[index].onStartHeaders();
@@ -436,6 +437,11 @@ var messageHeaderSink = {
     { 
       OnMsgLoaded(url);
     },
+    onMsgHasRemoteContent: function(aMsgHdr)
+    {
+      dump('entering on msg has remote content\n\n');
+      SetUpRemoteContentBar(aMsgHdr);
+    },
 
     mSecurityInfo  : null,
     getSecurityInfo: function()
@@ -892,7 +898,13 @@ function AddExtraAddressProcessing(emailAddress, addressNode)
   var displayName = addressNode.getTextAttribute("displayName");  
   var emailAddress = addressNode.getTextAttribute("emailAddress");
 
-  if (gShowCondensedEmailAddresses && displayName && useDisplayNameForAddress(emailAddress))
+  // always show the address for the from and reply-to fields
+  var parentElementId = addressNode.parentNode.id;
+  var condenseName = true;
+  if (parentElementId == "expandedfromBox" || parentElementId == "expandedreply-toBox")
+    condenseName = false;
+
+  if (condenseName && gShowCondensedEmailAddresses && displayName && useDisplayNameForAddress(emailAddress))
   {
     addressNode.setAttribute('label', displayName); 
     addressNode.setAttribute("tooltiptext", emailAddress);

mail/base/content/msgMail3PaneWindow.js

@@ -1205,6 +1205,7 @@ function ClearMessagePane()
 
     // hide the junk bar
     SetUpJunkBar(null);
+    SetUpRemoteContentBar(null);
   }
 }
 

mail/base/locale/messenger.dtd

@@ -584,6 +584,10 @@
 <!ENTITY notJunkButton.label "This is Not Junk">
 <!ENTITY junkInfoButton.label "?">
 
+<!-- Remote Content Bar -->
+<!ENTITY remoteContenMessage.label "To protect your privacy, &brandShortName; has blocked remote images in this message." >
+<!ENTITY loadRemoteContentButton.label "Show Images">
+
 <!-- Search Bar -->
 <!ENTITY quickSearchCmd.key "k">
 

mailnews/base/resources/content/msgHdrViewOverlay.js

@@ -414,6 +414,10 @@ var messageHeaderSink = {
     { 
       OnMsgLoaded(url);
     },
+    
+    onMsgHasRemoteContent: function(aMsgHdr)
+    {
+    },
 
     mSecurityInfo  : null,
     getSecurityInfo: function()

mailnews/base/src/nsMsgContentPolicy.cpp

@@ -47,9 +47,24 @@
 #include "nsString.h"
 #include "nsIContentPolicy.h"
 
+#include "nsIMsgMailNewsUrl.h"
+#include "nsIMsgWindow.h"
+#include "nsIMimeMiscStatus.h"
+#include "nsIMsgMessageService.h"
+#include "nsIMsgHdr.h"
+#include "nsMsgUtils.h"
+
 static const char kBlockRemoteImages[] = "mailnews.message_display.disable_remote_image";
 static const char kAllowPlugins[] = "mailnews.message_display.allow.plugins";
 
+// Per message headder flags to keep track of whether the user is allowing remote
+// content for a particular message. 
+// if you change or add more values to these constants, be sure to modify
+// the corresponding definitions in mailWindowOverlay.js
+#define kNoRemoteContentPolicy 0
+#define kBlockRemoteContent 1
+#define kAllowRemoteContent 2
+
 NS_IMPL_ADDREF(nsMsgContentPolicy)
 NS_IMPL_RELEASE(nsMsgContentPolicy)
 
@@ -149,6 +164,53 @@ nsMsgContentPolicy::ShouldLoad(PRUint32          aContentType,
         // check the 'disable remote images pref' and block the image if appropriate
         *aDecision = mBlockRemoteImages ? nsIContentPolicy::REJECT_REQUEST  :
                                           nsIContentPolicy::ACCEPT;
+
+        // get the msg hdr for the message URI we are actually loading
+        NS_ENSURE_TRUE(aRequestingLocation, NS_OK);
+        nsCOMPtr<nsIMsgMessageUrl> msgUrl = do_QueryInterface(aRequestingLocation, &rv);
+        NS_ENSURE_SUCCESS(rv, rv);
+
+        nsXPIDLCString resourceURI;
+        msgUrl->GetUri(getter_Copies(resourceURI));
+        
+        // now get the msg service for this URI
+        nsCOMPtr<nsIMsgMessageService> msgService;
+
+        rv = GetMessageServiceFromURI(resourceURI.get(), getter_AddRefs(msgService));
+        NS_ENSURE_SUCCESS(rv, rv);
+        
+        nsCOMPtr<nsIMsgDBHdr> msgHdr;
+        msgService->MessageURIToMsgHdr(resourceURI, getter_AddRefs(msgHdr));
+        NS_ENSURE_SUCCESS(rv, rv);
+
+        // first, get the hasRemoteContent property
+        PRUint32 remoteContentPolicy = kNoRemoteContentPolicy;
+        msgHdr->GetUint32Property("remoteContentPolicy", &remoteContentPolicy); 
+
+        if (!remoteContentPolicy) // kNoRemoteContentPolicy means we have never set a value on the message
+           msgHdr->SetUint32Property("remoteContentPolicy", kBlockRemoteContent); // this message contains blocked remote content
+
+        if (remoteContentPolicy != kAllowRemoteContent && mBlockRemoteImages) 
+        {
+          // now we need to call out the msg sink informing it that this message has remote content
+          nsCOMPtr<nsIMsgMailNewsUrl> mailnewsUrl = do_QueryInterface(aRequestingLocation, &rv);
+          NS_ENSURE_SUCCESS(rv, rv);
+        
+          nsCOMPtr<nsIMsgWindow> msgWindow;
+          rv = mailnewsUrl->GetMsgWindow(getter_AddRefs(msgWindow));
+          NS_ENSURE_SUCCESS(rv, rv);
+
+          nsCOMPtr<nsIMsgHeaderSink> msgHdrSink;
+          rv = msgWindow->GetMsgHeaderSink(getter_AddRefs(msgHdrSink));
+          NS_ENSURE_SUCCESS(rv, rv);
+
+          msgHdrSink->OnMsgHasRemoteContent(msgHdr); // notify the UI to show the remote content hdr bar so the user can overide
+        }
+        else if (remoteContentPolicy == kAllowRemoteContent)
+        {
+          // user wants to see the remote content for this mesage
+          *aDecision = nsIContentPolicy::ACCEPT;
+        }
       }
     }
   }

mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp

@@ -674,6 +674,12 @@ NS_IMETHODIMP TokenStreamListener::OnEndMsgDownload(nsIMsgMailNewsUrl *url)
     return NS_OK;
 }
 
+
+NS_IMETHODIMP TokenStreamListener::OnMsgHasRemoteContent(nsIMsgDBHdr * aMsgHdr)
+{
+    return NS_OK;
+}
+
 NS_IMETHODIMP TokenStreamListener::OnEndMsgHeaders(nsIMsgMailNewsUrl *url)
 {
     return NS_OK;

mailnews/mime/public/nsIMimeMiscStatus.idl

@@ -44,6 +44,7 @@ interface nsIStreamListener;
 interface nsIChannel;
 interface nsIMsgMailNewsUrl;
 interface nsIUTF8StringEnumerator;
+interface nsIMsgDBHdr;
 
 [scriptable, uuid(4644FB25-5255-11d3-82B8-444553540002)] 
 interface nsIMimeMiscStatus : nsISupports{
@@ -79,4 +80,6 @@ interface nsIMsgHeaderSink : nsISupports {
     void onEndMsgDownload(in nsImsgMailNewsUrl url);
 
 	attribute nsISupports securityInfo;
+
+    void onMsgHasRemoteContent(in nsIMsgDBHdr aMsgHdr);
 };