mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-10 18:00:15 +01:00
106 lines
3.7 KiB
C++
106 lines
3.7 KiB
C++
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
|
|
#ifndef WatchTask_h__
|
|
#define WatchTask_h__
|
|
|
|
|
|
#ifndef XP_MACOSX
|
|
#include <Retrace.h>
|
|
#endif
|
|
#include <Quickdraw.h>
|
|
#include "prtypes.h"
|
|
#include "gfxCore.h"
|
|
|
|
//
|
|
// class nsWatchTask
|
|
//
|
|
// A nice little class that installs/removes a VBL to set the cursor to
|
|
// the watch if we're away from the event loop for a while. Will also
|
|
// animate the watch cursor.
|
|
//
|
|
|
|
class nsWatchTask
|
|
{
|
|
public:
|
|
nsWatchTask ( ) ;
|
|
~nsWatchTask ( ) ;
|
|
|
|
// Registers the VBL task and does other various init tasks to begin
|
|
// watching for time away from the event loop. It is ok to call other
|
|
// methods on this object w/out calling Start().
|
|
NS_GFX void Start ( ) ;
|
|
|
|
// call from the main event loop
|
|
NS_GFX void EventLoopReached ( ) ;
|
|
|
|
// turn off when we know we're going into an area where it's ok
|
|
// that WNE is not called (eg, the menu code)
|
|
void Suspend ( ) { mSuspended = PR_TRUE; };
|
|
void Resume ( ) { mSuspended = PR_FALSE; };
|
|
|
|
static NS_GFX nsWatchTask& GetTask ( ) ;
|
|
|
|
private:
|
|
|
|
enum {
|
|
kRepeatInterval = 10, // check every 1/6 of a second if we should show watch (10/60)
|
|
kTicksToShowWatch = 45, // show watch if haven't seen WNE for 3/4 second (45/60)
|
|
kStepsInAnimation = 12
|
|
};
|
|
|
|
// the VBL task
|
|
static pascal void DoWatchTask(nsWatchTask* theTaskPtr) ;
|
|
|
|
#if !TARGET_CARBON
|
|
VBLTask mTask; // this must be first!!
|
|
#endif
|
|
long mChecksum; // 'mozz' to validate we have real data at interrupt time (not needed?)
|
|
void* mSelf; // so we can get back to |this| from the static routine
|
|
long mTicks; // last time the event loop was hit
|
|
Cursor mWatchCursor; // the watch cursor
|
|
PRPackedBool mBusy; // are we currently spinning the cursor?
|
|
PRPackedBool mSuspended; // set if we've temporarily suspended operation
|
|
PRPackedBool mInstallSucceeded; // did we succeed in installing the task? (used in dtor)
|
|
short mAnimation; // stage of animation
|
|
|
|
};
|
|
|
|
|
|
#endif
|