From 6ae06ef86a9612a2fb6ce22d177c48722b28a9a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Mon, 29 Oct 2007 09:11:25 +0000
Subject: [PATCH] Implemented AS_IDLE_TIME, this closes bug #1593.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22758 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/EventDispatcher.cpp | 13 ++++++++++++-
 src/servers/app/EventDispatcher.h   |  9 ++++++---
 src/servers/app/ServerApp.cpp       |  8 ++++++++
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/servers/app/EventDispatcher.cpp b/src/servers/app/EventDispatcher.cpp
index e2a3b0af63..73d6c57b98 100644
--- a/src/servers/app/EventDispatcher.cpp
+++ b/src/servers/app/EventDispatcher.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2006, Haiku, Inc. All Rights Reserved.
+ * Copyright 2005-2007, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -237,6 +237,8 @@ EventDispatcher::EventDispatcher()
 	fKeyboardFilter(NULL),
 	fTargets(10),
 	fNextLatestMouseMoved(NULL),
+	fLastButtons(0),
+	fLastUpdate(system_time()),
 	fCursorLock("cursor loop lock"),
 	fHWInterface(NULL),
 	fDesktop(NULL)
@@ -521,6 +523,14 @@ EventDispatcher::SendFakeMouseMoved(EventTarget& target, int32 viewToken)
 }
 
 
+bigtime_t
+EventDispatcher::IdleTime()
+{
+	BAutolock _(this);
+	return system_time() - fLastUpdate;
+}
+
+
 bool
 EventDispatcher::HasCursorThread()
 {
@@ -714,6 +724,7 @@ EventDispatcher::_EventLoop()
 		}
 
 		BAutolock _(this);
+		fLastUpdate = system_time();
 
 		EventTarget* current = NULL;
 		EventTarget* previous = NULL;
diff --git a/src/servers/app/EventDispatcher.h b/src/servers/app/EventDispatcher.h
index d6dc4b5492..ab079e84f5 100644
--- a/src/servers/app/EventDispatcher.h
+++ b/src/servers/app/EventDispatcher.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2006, Haiku, Inc. All Rights Reserved.
+ * Copyright 2005-2007, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -84,12 +84,13 @@ class EventDispatcher : public BLocker {
 
 		void GetMouse(BPoint& where, int32& buttons);
 		void SendFakeMouseMoved(EventTarget& target, int32 viewToken);
+		bigtime_t IdleTime();
 
 		bool HasCursorThread();
 		void SetHWInterface(HWInterface* interface);
 
 		void SetDragMessage(BMessage& message, ServerBitmap* bitmap,
-							const BPoint& offsetFromCursor);
+				const BPoint& offsetFromCursor);
 			// the message should be delivered on the next
 			// "mouse up".
 			// if the mouse is not pressed, it should
@@ -101,7 +102,8 @@ class EventDispatcher : public BLocker {
 		status_t _Run();
 		void _Unset();
 
-		bool _SendMessage(BMessenger& messenger, BMessage* message, float importance);
+		bool _SendMessage(BMessenger& messenger, BMessage* message,
+				float importance);
 
 		bool _AddTokens(BMessage* message, EventTarget* target, uint32 eventMask,
 				BMessage* nextMouseMoved = NULL, int32* _viewToken = NULL);
@@ -141,6 +143,7 @@ class EventDispatcher : public BLocker {
 		BMessage*		fNextLatestMouseMoved;
 		BPoint			fLastCursorPosition;
 		int32			fLastButtons;
+		bigtime_t		fLastUpdate;
 
 		BMessage		fDragMessage;
 		bool			fDraggingMessage;
diff --git a/src/servers/app/ServerApp.cpp b/src/servers/app/ServerApp.cpp
index 766663ebe8..62e8a9fc8f 100644
--- a/src/servers/app/ServerApp.cpp
+++ b/src/servers/app/ServerApp.cpp
@@ -808,6 +808,14 @@ ServerApp::_DispatchMessage(int32 code, BPrivate::LinkReceiver& link)
 			break;
 		}
 
+		case AS_IDLE_TIME:
+			STRACE(("ServerApp %s: idle time\n", Signature()));
+
+			fLink.StartMessage(B_OK);
+			fLink.Attach<bigtime_t>(fDesktop->EventDispatcher().IdleTime());
+			fLink.Flush();
+			break;
+
 		case AS_SHOW_CURSOR:
 		{
 			STRACE(("ServerApp %s: Show Cursor\n", Signature()));