From d67db4e3846cbd5d5000fe48b818c42bb93b85df Mon Sep 17 00:00:00 2001
From: "mkaply%us.ibm.com"
 <mkaply%us.ibm.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 26 Mar 2003 05:23:13 +0000
Subject: [PATCH] #194571 r=pedemont, sr=blizzard (platform specific) OS/2 only
 - Implement GetLastInputEventTime

git-svn-id: svn://10.0.0.236/trunk@140338 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/widget/src/os2/nsWindow.cpp | 20 ++++++++++++++++++++
 mozilla/widget/src/os2/nsWindow.h   |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/mozilla/widget/src/os2/nsWindow.cpp b/mozilla/widget/src/os2/nsWindow.cpp
index 6126a15dbdd..2cb6a415ccf 100644
--- a/mozilla/widget/src/os2/nsWindow.cpp
+++ b/mozilla/widget/src/os2/nsWindow.cpp
@@ -140,6 +140,11 @@ extern "C" {
                                         ULONG Address);
 }
 
+// The last user input event time in milliseconds. If there are any pending
+// native toolkit input events it returns the current time. The value is
+// compatible with PR_IntervalToMicroseconds(PR_IntervalNow()).
+static PRUint32 gLastInputEventTime = 0;
+
 #ifdef DEBUG_FOCUS
 static int currentWindowIdentifier = 0;
 #endif
@@ -3327,6 +3332,21 @@ NS_METHOD nsWindow::SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsWindow::GetLastInputEventTime(PRUint32& aTime)
+{
+   ULONG ulStatus = WinQueryQueueStatus(HWND_DESKTOP);
+
+   // If there is pending input then return the current time.
+   if (ulStatus && (QS_KEY | QS_MOUSE | QS_MOUSEBUTTON | QS_MOUSEMOVE)) {
+     gLastInputEventTime = PR_IntervalToMicroseconds(PR_IntervalNow());
+   } 
+
+   aTime = gLastInputEventTime;
+
+   return NS_OK;
+}
+
 // --------------------------------------------------------------------------
 // OS2-specific routines to emulate Windows behaviors
 // --------------------------------------------------------------------------
diff --git a/mozilla/widget/src/os2/nsWindow.h b/mozilla/widget/src/os2/nsWindow.h
index eacec4df9ae..0c4474e58fc 100644
--- a/mozilla/widget/src/os2/nsWindow.h
+++ b/mozilla/widget/src/os2/nsWindow.h
@@ -137,6 +137,8 @@ class nsWindow : public nsBaseWidget,
    NS_IMETHOD DispatchEvent( struct nsGUIEvent *event, nsEventStatus &aStatus);
    NS_IMETHOD CaptureRollupEvents(nsIRollupListener * aListener, PRBool aDoCapture, PRBool aConsumeRollupEvent);
 
+   NS_IMETHOD              GetLastInputEventTime(PRUint32& aTime);
+
    // Widget appearance
    virtual nsIFontMetrics *GetFont();
    NS_IMETHOD              SetFont( const nsFont &aFont);