# HG changeset patch
# Parent f5a33f4b3f2be57856bb40ca8efcae23ae6e3b35
# User Gian-Carlo Pascutto <gpascutto@mozilla.com>
Bug 499557 - Don't popup notifications when fullscreen/presenting. r=


diff --git a/mailnews/base/src/nsMessengerWinIntegration.cpp b/mailnews/base/src/nsMessengerWinIntegration.cpp
--- a/mailnews/base/src/nsMessengerWinIntegration.cpp
+++ b/mailnews/base/src/nsMessengerWinIntegration.cpp
@@ -79,16 +79,17 @@
 #include "mozilla/LookAndFeel.h"
 
 #include "nsToolkitCompsCID.h"
 #include <stdlib.h>
 #define PROFILE_COMMANDLINE_ARG " -profile "
 
 #define XP_SHSetUnreadMailCounts "SHSetUnreadMailCountW"
 #define XP_SHEnumerateUnreadMailAccounts "SHEnumerateUnreadMailAccountsW"
+#define XP_SHQueryUserNotificationState "SHQueryUserNotificationState"
 #define NOTIFICATIONCLASSNAME "MailBiffNotificationMessageWindow"
 #define UNREADMAILNODEKEY "Software\\Microsoft\\Windows\\CurrentVersion\\UnreadMail\\"
 #define SHELL32_DLL NS_LITERAL_CSTRING("shell32.dll")
 #define DOUBLE_QUOTE "\""
 #define MAIL_COMMANDLINE_ARG " -mail"
 #define IDI_MAILBIFF 32576
 #define UNREAD_UPDATE_INTERVAL	(20 * 1000)	// 20 seconds
 #define ALERT_CHROME_URL "chrome://messenger/content/newmailalert.xul"
@@ -383,16 +384,17 @@ nsMessengerWinIntegration::Init()
   HMODULE hModule = ::LoadLibrary(mShellDllPath.get());
   if (!hModule)
     return NS_OK;
 
   // get process addresses for the unread mail count functions
   if (hModule) {
     mSHSetUnreadMailCount = (fnSHSetUnreadMailCount)GetProcAddress(hModule, XP_SHSetUnreadMailCounts);
     mSHEnumerateUnreadMailAccounts = (fnSHEnumerateUnreadMailAccounts)GetProcAddress(hModule, XP_SHEnumerateUnreadMailAccounts);
+    mSHQueryUserNotificationState = (fnSHQueryUserNotificationState)GetProcAddress(hModule, XP_SHQueryUserNotificationState);
   }
 
   // if failed to get either of the process addresses, this is not XP platform
   // so we aren't storing unread counts
   if (mSHSetUnreadMailCount && mSHEnumerateUnreadMailAccounts)
     mStoreUnreadCounts = PR_TRUE;
 
   nsCOMPtr <nsIMsgAccountManager> accountManager =
@@ -530,16 +532,26 @@ nsresult nsMessengerWinIntegration::Show
     ::wcsncpy( sBiffIconData.szInfo, aAlertText.get(), kMaxBalloonSize);
   }
 
   bool showAlert = true;
 
   if (prefBranch)
     prefBranch->GetBoolPref(SHOW_ALERT_PREF, &showAlert);
 
+  // check if we are allowed to show a notification
+  if (mSHQueryUserNotificationState) {
+    QUERY_USER_NOTIFICATION_STATE qstate;    
+    if (SUCCEEDED(mSHQueryUserNotificationState(&qstate))) {
+      if (qstate != QUNS_ACCEPTS_NOTIFICATIONS) {
+        showAlert = false;
+      }
+    }
+  }
+
   if (showAlert)
   {
     nsCOMPtr<nsISupportsArray> argsArray;
     rv = NS_NewISupportsArray(getter_AddRefs(argsArray));
     NS_ENSURE_SUCCESS(rv, rv);
 
     // pass in the array of folders with unread messages
     nsCOMPtr<nsISupportsInterfacePointer> ifptr = do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv);
diff --git a/mailnews/base/src/nsMessengerWinIntegration.h b/mailnews/base/src/nsMessengerWinIntegration.h
--- a/mailnews/base/src/nsMessengerWinIntegration.h
+++ b/mailnews/base/src/nsMessengerWinIntegration.h
@@ -50,21 +50,31 @@
 #include "nsIFolderListener.h"
 #include "nsIAtom.h"
 #include "nsITimer.h"
 #include "nsCOMPtr.h"
 #include "nsStringGlue.h"
 #include "nsISupportsArray.h"
 #include "nsIObserver.h"
 
+typedef enum tagQUERY_USER_NOTIFICATION_STATE {
+    QUNS_NOT_PRESENT = 1,
+    QUNS_BUSY = 2,
+    QUNS_RUNNING_D3D_FULL_SCREEN = 3,
+    QUNS_PRESENTATION_MODE = 4,
+    QUNS_ACCEPTS_NOTIFICATIONS = 5
+} QUERY_USER_NOTIFICATION_STATE;
+
 // this function is exported by shell32.dll version 5.60 or later (Windows XP or greater)
 extern "C"
 {
 typedef HRESULT (__stdcall *fnSHSetUnreadMailCount)(LPCWSTR pszMailAddress, DWORD dwCount, LPCWSTR pszShellExecuteCommand);
 typedef HRESULT (__stdcall *fnSHEnumerateUnreadMailAccounts)(HKEY hKeyUser, DWORD dwIndex, LPCWSTR pszMailAddress, int cchMailAddress);
+// Vista or later
+typedef HRESULT (__stdcall *fnSHQueryUserNotificationState)(QUERY_USER_NOTIFICATION_STATE *pquns);
 }
 
 #define NS_MESSENGERWININTEGRATION_CID \
   {0xf62f3d3a, 0x1dd1, 0x11b2, \
     {0xa5, 0x16, 0xef, 0xad, 0xb1, 0x31, 0x61, 0x5c}}
 
 class nsIStringBundle; 
 
@@ -128,16 +138,17 @@ private:
   nsresult UpdateUnreadCount();
 
   nsCOMPtr <nsIAtom> mDefaultServerAtom;
   nsCOMPtr <nsIAtom> mTotalUnreadMessagesAtom;
   nsCOMPtr <nsITimer> mUnreadCountUpdateTimer;
 
   fnSHSetUnreadMailCount mSHSetUnreadMailCount;
   fnSHEnumerateUnreadMailAccounts mSHEnumerateUnreadMailAccounts;
+  fnSHQueryUserNotificationState mSHQueryUserNotificationState;
 
   nsCString mInboxURI;
   nsCString mEmail;
 
   nsString  mAppName;
   nsString  mEmailPrefix;
   nsCString mShellDllPath;