embeddedwindow.m

VLC Player Source Code

    /* We are in fullscreen (and no animation is running) */
    if (b_fullscreen)
    {
        /* Make sure we are hidden */
        [super orderOut: self];
        [self unlockFullscreenAnimation];
        return;
    }

    if (o_fullscreen_anim1)
    {
        [o_fullscreen_anim1 stopAnimation];
        [o_fullscreen_anim1 release];
    }
    if (o_fullscreen_anim2)
    {
        [o_fullscreen_anim2 stopAnimation];
        [o_fullscreen_anim2 release];
    }
 
    if ([screen isMainScreen])
        SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);

    dict1 = [[NSMutableDictionary alloc] initWithCapacity:2];
    dict2 = [[NSMutableDictionary alloc] initWithCapacity:3];

    [dict1 setObject:self forKey:NSViewAnimationTargetKey];
    [dict1 setObject:NSViewAnimationFadeOutEffect forKey:NSViewAnimationEffectKey];

    [dict2 setObject:o_fullscreen_window forKey:NSViewAnimationTargetKey];
    [dict2 setObject:[NSValue valueWithRect:[o_fullscreen_window frame]] forKey:NSViewAnimationStartFrameKey];
    [dict2 setObject:[NSValue valueWithRect:screen_rect] forKey:NSViewAnimationEndFrameKey];

    /* Strategy with NSAnimation allocation:
        - Keep at most 2 animation at a time
        - leaveFullscreen/enterFullscreen are the only responsible for releasing and alloc-ing
    */
    o_fullscreen_anim1 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObjects:dict1, nil]];
    o_fullscreen_anim2 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObjects:dict2, nil]];

    [dict1 release];
    [dict2 release];

    [o_fullscreen_anim1 setAnimationBlockingMode: NSAnimationNonblocking];
    [o_fullscreen_anim1 setDuration: 0.3];
    [o_fullscreen_anim1 setFrameRate: 30];
    [o_fullscreen_anim2 setAnimationBlockingMode: NSAnimationNonblocking];
    [o_fullscreen_anim2 setDuration: 0.2];
    [o_fullscreen_anim2 setFrameRate: 30];

    [o_fullscreen_anim2 setDelegate: self];
    [o_fullscreen_anim2 startWhenAnimation: o_fullscreen_anim1 reachesProgress: 1.0];

    [o_fullscreen_anim1 startAnimation];
    /* fullscreenAnimation will be unlocked when animation ends */
}

- (void)hasBecomeFullscreen
{
    [o_fullscreen_window makeFirstResponder: [[[VLCMain sharedInstance] getControls] getVoutView]];

    [o_fullscreen_window makeKeyWindow];
    [o_fullscreen_window setAcceptsMouseMovedEvents: TRUE];

    /* tell the fspanel to move itself to front next time it's triggered */
    [[[[VLCMain sharedInstance] getControls] getFSPanel] setVoutWasUpdated: (int)[[o_fullscreen_window screen] displayID]];

    if([self isVisible])
        [super orderOut: self];

    [[[[VLCMain sharedInstance] getControls] getFSPanel] setActive: nil];

    b_fullscreen = YES;
    [self unlockFullscreenAnimation];
}

- (void)leaveFullscreen
{
    [self leaveFullscreenAndFadeOut: NO];
}

- (void)leaveFullscreenAndFadeOut: (BOOL)fadeout
{
    NSMutableDictionary *dict1, *dict2;
    NSRect frame;

    [self lockFullscreenAnimation];

    b_fullscreen = NO;
    [o_btn_fullscreen setState: NO];

    /* We always try to do so */
    [NSScreen unblackoutScreens];

    /* Don't do anything if o_fullscreen_window is already closed */
    if (!o_fullscreen_window)
    {
        [self unlockFullscreenAnimation];
        return;
    }

    if (fadeout || MACOS_VERSION < 10.4f)
    {
        /* We don't animate if we are not visible or if we are running on
        * Mac OS X <10.4 which doesn't support NSAnimation, instead we
        * simply fade the display */
        CGDisplayFadeReservationToken token;

        CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval, &token);
        CGDisplayFade( token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0, 0, 0, YES );

        [[[[VLCMain sharedInstance] getControls] getFSPanel] setNonActive: nil];
        SetSystemUIMode( kUIModeNormal, kUIOptionAutoShowMenuBar);

        /* Will release the lock */
        [self hasEndedFullscreen];

        /* Our window is hidden, and might be faded. We need to workaround that, so note it
         * here */
        b_window_is_invisible = YES;

        CGDisplayFade( token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0, 0, 0, NO );
        CGReleaseDisplayFadeReservation( token);
        return;
    }

    [self setAlphaValue: 0.0];
    [self orderFront: self];

    [[[[VLCMain sharedInstance] getControls] getFSPanel] setNonActive: nil];
    SetSystemUIMode( kUIModeNormal, kUIOptionAutoShowMenuBar);

    if (o_fullscreen_anim1)
    {
        [o_fullscreen_anim1 stopAnimation];
        [o_fullscreen_anim1 release];
    }
    if (o_fullscreen_anim2)
    {
        [o_fullscreen_anim2 stopAnimation];
        [o_fullscreen_anim2 release];
    }

    frame = [[o_temp_view superview] convertRect: [o_temp_view frame] toView: nil]; /* Convert to Window base coord */
    frame.origin.x += [self frame].origin.x;
    frame.origin.y += [self frame].origin.y;

    dict2 = [[NSMutableDictionary alloc] initWithCapacity:2];
    [dict2 setObject:self forKey:NSViewAnimationTargetKey];
    [dict2 setObject:NSViewAnimationFadeInEffect forKey:NSViewAnimationEffectKey];

    o_fullscreen_anim2 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObjects:dict2, nil]];
    [dict2 release];

    [o_fullscreen_anim2 setAnimationBlockingMode: NSAnimationNonblocking];
    [o_fullscreen_anim2 setDuration: 0.3];
    [o_fullscreen_anim2 setFrameRate: 30];

    [o_fullscreen_anim2 setDelegate: self];

    dict1 = [[NSMutableDictionary alloc] initWithCapacity:3];

    [dict1 setObject:o_fullscreen_window forKey:NSViewAnimationTargetKey];
    [dict1 setObject:[NSValue valueWithRect:[o_fullscreen_window frame]] forKey:NSViewAnimationStartFrameKey];
    [dict1 setObject:[NSValue valueWithRect:frame] forKey:NSViewAnimationEndFrameKey];

    o_fullscreen_anim1 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObjects:dict1, nil]];
    [dict1 release];

    [o_fullscreen_anim1 setAnimationBlockingMode: NSAnimationNonblocking];
    [o_fullscreen_anim1 setDuration: 0.2];
    [o_fullscreen_anim1 setFrameRate: 30];
    [o_fullscreen_anim2 startWhenAnimation: o_fullscreen_anim1 reachesProgress: 1.0];

    /* Make sure o_fullscreen_window is the frontmost window */
    [o_fullscreen_window orderFront: self];

    [o_fullscreen_anim1 startAnimation];
    /* fullscreenAnimation will be unlocked when animation ends */
}

- (void)hasEndedFullscreen
{
    /* This function is private and should be only triggered at the end of the fullscreen change animation */
    /* Make sure we don't see the o_view disappearing of the screen during this operation */
    DisableScreenUpdates();
    [o_view retain];
    [o_view removeFromSuperviewWithoutNeedingDisplay];
    [[self contentView] replaceSubview:o_temp_view with:o_view];
    [o_view release];
    [o_view setFrame:[o_temp_view frame]];
    [self makeFirstResponder: o_view];
    if ([self isVisible])
        [super makeKeyAndOrderFront:self]; /* our version contains a workaround */
    [o_fullscreen_window orderOut: self];
    EnableScreenUpdates();

    [o_fullscreen_window release];
    o_fullscreen_window = nil;
    [self setLevel:originalLevel];

    [self unlockFullscreenAnimation];
}

- (void)animationDidEnd:(NSAnimation*)animation
{
    NSArray *viewAnimations;

    if ([animation currentValue] < 1.0)
        return;

    /* Fullscreen ended or started (we are a delegate only for leaveFullscreen's/enterFullscren's anim2) */
    viewAnimations = [o_fullscreen_anim2 viewAnimations];
    if ([viewAnimations count] >=1 &&
        [[[viewAnimations objectAtIndex: 0] objectForKey: NSViewAnimationEffectKey] isEqualToString:NSViewAnimationFadeInEffect])
    {
        /* Fullscreen ended */
        [self hasEndedFullscreen];
    }
    else
    {
        /* Fullscreen started */
        [self hasBecomeFullscreen];
    }
}

- (void)orderOut: (id)sender
{
    [super orderOut: sender];

    /* Make sure we leave fullscreen */
    [self leaveFullscreenAndFadeOut: YES];
}

- (void)makeKeyAndOrderFront: (id)sender
{
    /* Hack
     * when we exit fullscreen and fade out, we may endup in
     * having a window that is faded. We can't have it fade in unless we
     * animate again. */

    if(!b_window_is_invisible)
    {
        /* Make sure we don't do it too much */
        [super makeKeyAndOrderFront: sender];
        return;
    }

    [super setAlphaValue:0.0f];
    [super makeKeyAndOrderFront: sender];

    NSMutableDictionary * dict = [[[NSMutableDictionary alloc] initWithCapacity:2] autorelease];
    [dict setObject:self forKey:NSViewAnimationTargetKey];
    [dict setObject:NSViewAnimationFadeInEffect forKey:NSViewAnimationEffectKey];

    NSViewAnimation * anim = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict]];

    [anim setAnimationBlockingMode: NSAnimationNonblocking];
    [anim setDuration: 0.1];
    [anim setFrameRate: 30];

    [anim startAnimation];
    b_window_is_invisible = NO;

    /* fullscreenAnimation will be unlocked when animation ends */
}



/* Make sure setFrame gets executed on main thread especially if we are animating.
 * (Thus we won't block the video output thread) */
- (void)setFrame:(NSRect)frame display:(BOOL)display animate:(BOOL)animate
{
    struct { NSRect frame; BOOL display; BOOL animate;} args;
    NSData *packedargs;

    args.frame = frame;
    args.display = display;
    args.animate = animate;

    packedargs = [NSData dataWithBytes:&args length:sizeof(args)];

    [self performSelectorOnMainThread:@selector(setFrameOnMainThread:)
                    withObject: packedargs waitUntilDone: YES];
}

- (void)setFrameOnMainThread:(NSData*)packedargs
{
    struct args { NSRect frame; BOOL display; BOOL animate; } * args = (struct args*)[packedargs bytes];

    if( args->animate )
    {
        /* Make sure we don't block too long and set up a non blocking animation */
        NSDictionary * dict = [NSDictionary dictionaryWithObjectsAndKeys:
            self, NSViewAnimationTargetKey,
            [NSValue valueWithRect:[self frame]], NSViewAnimationStartFrameKey,
            [NSValue valueWithRect:args->frame], NSViewAnimationEndFrameKey, nil];

        NSViewAnimation * anim = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObjects:dict, nil]];

        [anim setAnimationBlockingMode: NSAnimationNonblocking];
        [anim setDuration: 0.4];
        [anim setFrameRate: 30];
        [anim startAnimation];
    }
    else {
        [super setFrame:args->frame display:args->display animate:args->animate];
    }

}
@end