/***************************************************************************** * VLCVideoView.h: VLC.framework VLCVideoView implementation ***************************************************************************** * Copyright (C) 2007 Pierre d'Herbemont * Copyright (C) 2007 the VideoLAN team * $Id$ * * Authors: Pierre d'Herbemont * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #import "VLCVideoView.h" #import "VLCLibrary.h" #import "VLCEventManager.h" /* Libvlc */ #include #include #import /* Notifications */ NSString * VLCVideoViewEnteredFullScreen = @"VLCVideoViewEnteredFullScreen"; NSString * VLCVideoViewLeftFullScreen = @"VLCVideoViewLeftFullScreen"; /****************************************************************************** * Soon deprecated stuff */ /* This is a forward reference to VLCOpenGLVoutView specified in minimal_macosx library. We could get rid of this, but it prevents warnings from the compiler. (Scheduled to deletion) */ @interface VLCOpenGLVoutView : NSView - (void)detachFromVout; @end /* Depreacted methods */ @interface VLCVideoView (Deprecated) - (void)setStretchesVideo:(BOOL)value; - (BOOL)stretchesVideo; - (void)addVoutSubview:(NSView *)aView; /* (Scheduled to deletion) */ - (void)removeVoutSubview:(NSView *)aView; /* (Scheduled to deletion) */ @end /****************************************************************************** * VLCVideoView (Private) */ @interface VLCVideoView (Private) /* Method */ - (void)addVoutLayer:(CALayer *)aLayer; @end /****************************************************************************** * Interface & Implementation VLCConstraintLayoutManager * * Manage the size of the video layer */ @interface VLCConstraintLayoutManager : CAConstraintLayoutManager { CGSize originalVideoSize; BOOL fillScreenEntirely; } @property BOOL fillScreenEntirely; @property CGSize originalVideoSize; @end @implementation VLCConstraintLayoutManager @synthesize fillScreenEntirely; @synthesize originalVideoSize; - (id)init { if( self = [super init] ) { self.originalVideoSize = CGSizeMake(0., 0.); self.fillScreenEntirely = NO; } return self; } + (id)layoutManager { return [[[VLCConstraintLayoutManager alloc] init] autorelease]; } - (void)layoutSublayersOfLayer:(CALayer *)layer { /* Called by CA, when our rootLayer needs layout */ [super layoutSublayersOfLayer:layer]; /* After having done everything normally resize the vlcopengllayer */ if( [[layer sublayers] count] > 0 && [[[[layer sublayers] objectAtIndex:0] name] isEqualToString:@"vlcopengllayer"]) { CALayer * videolayer = [[layer sublayers] objectAtIndex:0]; CGRect bounds = layer.bounds; float new_height = (bounds.size.width * originalVideoSize.height) / originalVideoSize.width; if( fillScreenEntirely ) { if( bounds.size.height > new_height ) bounds.size.height = new_height; else bounds.size.width = (bounds.size.height * originalVideoSize.width) / originalVideoSize.height; } else { if( bounds.size.height > new_height ) bounds.size.width = (bounds.size.height * originalVideoSize.width) / originalVideoSize.height; else bounds.size.height = new_height; } bounds.origin = CGPointMake( 0.0, 0.0 ); videolayer.bounds = bounds; videolayer.position = CGPointMake((layer.bounds.size.width - layer.bounds.origin.x)/2, (layer.bounds.size.height - layer.bounds.origin.y)/2); } } @end /****************************************************************************** * Implementation VLCVideoView */ @implementation VLCVideoView - (BOOL)fillScreen { return [layoutManager fillScreenEntirely]; } - (void)setFillScreen:(BOOL)fillScreen { [layoutManager setFillScreenEntirely:fillScreen]; [[self layer] setNeedsLayout]; } - (BOOL)fullScreen { return fullScreen; } - (void)setFullScreen:(BOOL)newFullScreen { if( newFullScreen ) { fullScreen = YES; [self enterFullscreen]; } else { fullScreen = NO; [self leaveFullscreen]; } } - (id)initWithFrame:(NSRect)rect { if (self = [super initWithFrame:rect]) { delegate = nil; [self setBackColor:[NSColor blackColor]]; [self setStretchesVideo:NO]; [self setAutoresizesSubviews:YES]; [self setFillScreen: NO]; layoutManager = [[VLCConstraintLayoutManager layoutManager] retain]; } return self; } - (void)dealloc { [layoutManager release]; delegate = nil; [backColor release]; [super dealloc]; } - (void)setDelegate:(id)value { delegate = value; } - (id)delegate { return delegate; } - (void)setBackColor:(NSColor *)value { if (backColor != value) { [backColor release]; backColor = [value retain]; } } - (NSColor *)backColor { return backColor; } /* This is a LibVLC notification that we're about to enter into full screen, there is no other place where I can see where we can trap this event */ - (void)enterFullscreen { // Go ahead and send a notification to the world we're going into full screen [[VLCEventManager sharedManager] callOnMainThreadDelegateOfObject:self withDelegateMethod:nil withNotificationName:VLCVideoViewEnteredFullScreen]; [super enterFullScreenMode:[[self window] screen] withOptions:nil]; if( !self.fullScreen ) self.fullScreen = YES; } /* This is a LibVLC notification that we're about to enter leaving full screen, there is no other place where I can see where we can trap this event */ - (void)leaveFullscreen { // Go ahead and send a notification to the world we're leaving full screen [[VLCEventManager sharedManager] callOnMainThreadDelegateOfObject:self withDelegateMethod:nil withNotificationName:VLCVideoViewLeftFullScreen]; // There is nothing else to do, as this object strictly displays the video feed [super exitFullScreenModeWithOptions:nil]; if( self.fullScreen ) self.fullScreen = NO; } - (void)drawRect:(NSRect)aRect { [self lockFocus]; [backColor set]; NSRectFill(aRect); [self unlockFocus]; } - (BOOL)isOpaque { return YES; } - (void)mouseDown:(NSEvent *)theEvent { if([theEvent clickCount] != 2) return; if(self.fullScreen) [self leaveFullscreen]; else [self enterFullscreen]; } @end /****************************************************************************** * Implementation VLCVideoView (Private) */ @implementation VLCVideoView (Private) /* This is called by the libvlc module 'opengllayer' as soon as there is one * vout available */ - (void)addVoutLayer:(CALayer *)aLayer { [CATransaction begin]; [self setWantsLayer: YES]; CALayer * rootLayer = [self layer]; aLayer.name = @"vlcopengllayer"; [layoutManager setOriginalVideoSize:aLayer.bounds.size]; [rootLayer setLayoutManager:layoutManager]; [rootLayer insertSublayer:aLayer atIndex:0]; [aLayer setNeedsLayout]; [aLayer setNeedsDisplay]; [rootLayer setNeedsDisplay]; [rootLayer layoutIfNeeded]; [CATransaction commit]; } @end /****************************************************************************** * Implementation VLCVideoView (Deprecated) */ @implementation VLCVideoView (Deprecated) - (void)setStretchesVideo:(BOOL)value { stretchesVideo = value; } - (BOOL)stretchesVideo { return stretchesVideo; } /* This is called by the libvlc module 'minimal_macosx' as soon as there is one * vout available */ - (void)addVoutSubview:(NSView *)aView /* (Scheduled to deletion) */ { /* This is where the real video comes from */ if( [[self subviews] count] ) { /* XXX: This is a hack until core gets fixed */ int i; for( i = 0; i < [[self subviews] count]; i++ ) { [[[self subviews] objectAtIndex:i] detachFromVout]; [[[self subviews] objectAtIndex:i] retain]; [[[self subviews] objectAtIndex:i] removeFromSuperview]; } } [aView setFrame:[self bounds]]; [self addSubview:aView]; // TODO: Should we let the media player specify these values? [aView setAutoresizingMask:NSViewHeightSizable | NSViewWidthSizable]; } - (void)removeVoutSubview:(NSView *)view /* (Scheduled to deletion) */ { // Should we do something? I don't know, however the protocol requires // this to be implemented } @end