Bug #343933 --> images aren't getting loaded in the compose window after a save operation happens because nsMsgWindow::SetDOMWindow changes the app type to MAIL. Make callers explicitly set the app type instead of doing it in SetDOMWindow.

sr=bienvenu

mail/base/content/FilterListDialog.js

@@ -110,6 +110,7 @@ function onLoad()
 {
     gFilterListMsgWindow = Components.classes["@mozilla.org/messenger/msgwindow;1"].createInstance(Components.interfaces.nsIMsgWindow);
     gFilterListMsgWindow.domWindow = window;
+    gFilterListMsgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
     gFilterListMsgWindow.statusFeedback = gStatusFeedback;
 
     gFilterBundle = document.getElementById("bundle_filter");

mail/base/content/mailWindow.js

@@ -189,6 +189,7 @@ function InitMsgWindow()
   mailSession.AddMsgWindow(msgWindow);
   getBrowser().docShell.allowAuth = false;
   msgWindow.rootDocShell.allowAuth = true; 
+  msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
 }
 
 function AddDataSources()

mail/base/content/subscribe.js

@@ -186,6 +186,7 @@ function SubscribeOnLoad()
   msgWindow.domWindow = window;  
   msgWindow.statusFeedback = gStatusFeedback;
   msgWindow.rootDocShell.allowAuth = true;
+  msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
 
 	// look in arguments[0] for parameters
 	if (window.arguments && window.arguments[0]) {

mailnews/base/resources/content/mailWindow.js

@@ -215,6 +215,7 @@ function InitMsgWindow()
   var messagepane = document.getElementById("messagepane");
   messagepane.docShell.allowAuth = false;
   msgWindow.rootDocShell.allowAuth = true;
+  msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
 }
 
 function messagePaneOnClick(event)

mailnews/base/resources/content/msgSynchronize.js

@@ -126,6 +126,7 @@ function selectOnLoad()
 {
     gMsgWindow = Components.classes[msgWindowContractID].createInstance(Components.interfaces.nsIMsgWindow);
     gMsgWindow.domWindow = window;
+    gMsgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
 
     gAccountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);
     gSynchronizeTree = document.getElementById('synchronizeTree');

mailnews/base/resources/content/subscribe.js

@@ -188,6 +188,7 @@ function SubscribeOnLoad()
   msgWindow.domWindow = window;  
   msgWindow.statusFeedback = gStatusFeedback;
   msgWindow.rootDocShell.allowAuth = true;
+  msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
 
 	// look in arguments[0] for parameters
 	if (window.arguments && window.arguments[0]) {

mailnews/base/search/resources/content/FilterEditor.js

@@ -409,6 +409,7 @@ function GetFilterEditorMsgWindow()
     var nsIMsgWindow = Components.interfaces.nsIMsgWindow;
     gFilterEditorMsgWindow = Components.classes[msgWindowContractID].createInstance(nsIMsgWindow);
     gFilterEditorMsgWindow.domWindow = window;
+    gFilterEditorMsgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
   }
   return gFilterEditorMsgWindow;
 }

mailnews/base/search/resources/content/FilterListDialog.js

@@ -95,6 +95,7 @@ function onLoad()
 {
     gFilterListMsgWindow = Components.classes["@mozilla.org/messenger/msgwindow;1"].createInstance(Components.interfaces.nsIMsgWindow);
     gFilterListMsgWindow.domWindow = window; 
+    gFilterListMsgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;   
     gFilterListMsgWindow.statusFeedback = gStatusFeedback;
 
     gFilterBundle = document.getElementById("bundle_filter");

mailnews/base/search/resources/content/SearchDialog.js

@@ -318,6 +318,7 @@ function initializeSearchWindowWidgets()
     
     msgWindow = Components.classes[msgWindowContractID].createInstance(nsIMsgWindow);
     msgWindow.domWindow = window;
+    msgWindow.rootDocShell.appType = Components.interfaces.nsIDocShell.APP_TYPE_MAIL;
     msgWindow.statusFeedback = gStatusFeedback;
 
     // functionality to enable/disable buttons using nsSearchResultsController

mailnews/base/src/nsMsgWindow.cpp

@@ -179,8 +179,6 @@ NS_IMETHODIMP nsMsgWindow::SetStatusFeedback(nsIMsgStatusFeedback * aStatusFeedb
   nsCOMPtr<nsIDocShell> messageWindowDocShell; 
   GetMessageWindowDocShell(getter_AddRefs(messageWindowDocShell));
 
-  NS_ASSERTION(messageWindowDocShell, "No messagepane docshell found! setStatusFeedback called before setDOMWindow");
-
   // register our status feedback object as a web progress listener
   nsCOMPtr<nsIWebProgress> webProgress(do_GetInterface(messageWindowDocShell));
   if (webProgress && mStatusFeedback && messageWindowDocShell)
@@ -266,12 +264,8 @@ NS_IMETHODIMP nsMsgWindow::SetRootDocShell(nsIDocShell * aDocShell)
   {
     mRootDocShellWeak = do_GetWeakReference(aDocShell);
     nsCOMPtr<nsIURIContentListener> listener(do_GetInterface(aDocShell));
-    if (listener) {
+    if (listener)
       listener->SetParentContentListener(this);
-    }
-  // be sure to set the application flag on the root docshell
-  // so it knows we are a mail application.
-  aDocShell->SetAppType(nsIDocShell::APP_TYPE_MAIL);
   }
   return NS_OK;
 }