git.sesse.net Git - vlc/blob - modules/gui/macosx/Windows.m

   1 /*****************************************************************************
   2  * Windows.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2012-2014 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Felix Paul Kühne <fkuehne -at- videolan -dot- org>
   8  *          David Fuhrmann <david dot fuhrmann at googlemail dot com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #import "Windows.h"
  26 #import "intf.h"
  27 #import "CoreInteraction.h"
  28 #import "ControlsBar.h"
  29 #import "VideoView.h"
  30 #import "CompatibilityFixes.h"
  31
  32 /*****************************************************************************
  33  * VLCWindow
  34  *
  35  *  Missing extension to NSWindow
  36  *****************************************************************************/
  37
  38 @implementation VLCWindow
  39
  40 @synthesize hasActiveVideo=b_has_active_video;
  41 @synthesize fullscreen=b_fullscreen;
  42
  43 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask
  44                   backing:(NSBackingStoreType)backingType defer:(BOOL)flag
  45 {
  46     self = [super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag];
  47     if (self) {
  48         /* we don't want this window to be restored on relaunch */
  49         if (!OSX_SNOW_LEOPARD)
  50             [self setRestorable:NO];
  51     }
  52     return self;
  53 }
  54
  55 - (void)setCanBecomeKeyWindow: (BOOL)canBecomeKey
  56 {
  57     b_isset_canBecomeKeyWindow = YES;
  58     b_canBecomeKeyWindow = canBecomeKey;
  59 }
  60
  61 - (BOOL)canBecomeKeyWindow
  62 {
  63     if (b_isset_canBecomeKeyWindow)
  64         return b_canBecomeKeyWindow;
  65
  66     return [super canBecomeKeyWindow];
  67 }
  68
  69 - (void)setCanBecomeMainWindow: (BOOL)canBecomeMain
  70 {
  71     b_isset_canBecomeMainWindow = YES;
  72     b_canBecomeMainWindow = canBecomeMain;
  73 }
  74
  75 - (BOOL)canBecomeMainWindow
  76 {
  77     if (b_isset_canBecomeMainWindow)
  78         return b_canBecomeMainWindow;
  79
  80     return [super canBecomeMainWindow];
  81 }
  82
  83 - (void)closeAndAnimate: (BOOL)animate
  84 {
  85     NSInvocation *invoc;
  86
  87     if (!animate) {
  88         [super close];
  89         return;
  90     }
  91
  92     // TODO this callback stuff does not work and is not needed
  93     invoc = [[[NSInvocation alloc] init] autorelease];
  94     [invoc setSelector:@selector(close)];
  95     [invoc setTarget: self];
  96
  97     if (![self isVisible] || [self alphaValue] == 0.0) {
  98         [super close];
  99         return;
 100     }
 101
 102     [self orderOut: self animate: YES callback: invoc];
 103 }
 104
 105 - (void)orderOut: (id)sender animate: (BOOL)animate
 106 {
 107     NSInvocation *invoc = [[[NSInvocation alloc] init] autorelease];
 108     [invoc setSelector:@selector(orderOut:)];
 109     [invoc setTarget: self];
 110     [invoc setArgument: sender atIndex: 2];
 111     [self orderOut: sender animate: animate callback: invoc];
 112 }
 113
 114 - (void)orderOut: (id)sender animate: (BOOL)animate callback:(NSInvocation *)callback
 115 {
 116     NSViewAnimation *anim;
 117     NSViewAnimation *current_anim;
 118     NSMutableDictionary *dict;
 119
 120     if (!animate) {
 121         [self orderOut: sender];
 122         return;
 123     }
 124
 125     dict = [[NSMutableDictionary alloc] initWithCapacity:2];
 126
 127     [dict setObject:self forKey:NSViewAnimationTargetKey];
 128
 129     [dict setObject:NSViewAnimationFadeOutEffect forKey:NSViewAnimationEffectKey];
 130     anim = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict]];
 131     [dict release];
 132
 133     [anim setAnimationBlockingMode:NSAnimationNonblocking];
 134     [anim setDuration:0.9];
 135     [anim setFrameRate:30];
 136     [anim setUserInfo:callback];
 137     [anim setDelegate:self];
 138
 139     @synchronized(self) {
 140         current_anim = self->o_current_animation;
 141
 142         if ([[[current_anim viewAnimations] objectAtIndex:0] objectForKey: NSViewAnimationEffectKey] == NSViewAnimationFadeOutEffect && [current_anim isAnimating]) {
 143             [anim release];
 144         } else {
 145             if (current_anim) {
 146                 [current_anim stopAnimation];
 147                 [anim setCurrentProgress:1.0 - [current_anim currentProgress]];
 148                 [current_anim release];
 149             }
 150             else
 151                 [anim setCurrentProgress:1.0 - [self alphaValue]];
 152             self->o_current_animation = anim;
 153             [anim startAnimation];
 154         }
 155     }
 156 }
 157
 158 - (void)orderFront: (id)sender animate: (BOOL)animate
 159 {
 160     NSViewAnimation *anim;
 161     NSViewAnimation *current_anim;
 162     NSMutableDictionary *dict;
 163
 164     if (!animate) {
 165         [super orderFront: sender];
 166         [self setAlphaValue: 1.0];
 167         return;
 168     }
 169
 170     if (![self isVisible]) {
 171         [self setAlphaValue: 0.0];
 172         [super orderFront: sender];
 173     }
 174     else if ([self alphaValue] == 1.0) {
 175         [super orderFront: self];
 176         return;
 177     }
 178
 179     dict = [[NSMutableDictionary alloc] initWithCapacity:2];
 180
 181     [dict setObject:self forKey:NSViewAnimationTargetKey];
 182
 183     [dict setObject:NSViewAnimationFadeInEffect forKey:NSViewAnimationEffectKey];
 184     anim = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict]];
 185     [dict release];
 186
 187     [anim setAnimationBlockingMode:NSAnimationNonblocking];
 188     [anim setDuration:0.5];
 189     [anim setFrameRate:30];
 190     [anim setDelegate:self];
 191
 192     @synchronized(self) {
 193         current_anim = self->o_current_animation;
 194
 195         if ([[[current_anim viewAnimations] objectAtIndex:0] objectForKey: NSViewAnimationEffectKey] == NSViewAnimationFadeInEffect && [current_anim isAnimating]) {
 196             [anim release];
 197         } else {
 198             if (current_anim) {
 199                 [current_anim stopAnimation];
 200                 [anim setCurrentProgress:1.0 - [current_anim currentProgress]];
 201                 [current_anim release];
 202             }
 203             else
 204                 [anim setCurrentProgress:[self alphaValue]];
 205             self->o_current_animation = anim;
 206             [self orderFront: sender];
 207             [anim startAnimation];
 208         }
 209     }
 210 }
 211
 212 - (void)animationDidEnd:(NSAnimation*)anim
 213 {
 214     if ([self alphaValue] <= 0.0) {
 215         NSInvocation * invoc;
 216         [super orderOut: nil];
 217         [self setAlphaValue: 1.0];
 218         if ((invoc = [anim userInfo])) {
 219             [invoc invoke];
 220         }
 221     }
 222 }
 223
 224 - (VLCVoutView *)videoView
 225 {
 226     if ([[self contentView] class] == [VLCVoutView class])
 227         return (VLCVoutView *)[self contentView];
 228
 229     return nil;
 230 }
 231
 232 - (NSRect)constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen *)screen
 233 {
 234     if (!screen)
 235         screen = [self screen];
 236     NSRect screenRect = [screen frame];
 237     NSRect constrainedRect = [super constrainFrameRect:frameRect toScreen:screen];
 238
 239     /*
 240      * Ugly workaround!
 241      * With Mavericks, there is a nasty bug resulting in grey bars on top in fullscreen mode.
 242      * It looks like this is enforced by the os because the window is in the way for the menu bar.
 243      *
 244      * According to the documentation, this constraining can be changed by overwriting this
 245      * method. But in this situation, even the received frameRect is already contrained with the
 246      * menu bars height substracted. This case is detected here, and the full height is
 247      * enforced again.
 248      *
 249      * See #9469 and radar://15583566
 250      */
 251
 252     BOOL b_inFullscreen = [self fullscreen] || ([self respondsToSelector:@selector(inFullscreenTransition)] && [(VLCVideoWindowCommon *)self inFullscreenTransition]);
 253
 254     if(OSX_MAVERICKS && b_inFullscreen && constrainedRect.size.width == screenRect.size.width
 255           && constrainedRect.size.height != screenRect.size.height
 256           && abs(screenRect.size.height - constrainedRect.size.height) <= 25.) {
 257
 258         msg_Dbg(VLCIntf, "Contrain window height %.1f to screen height %.1f",
 259                 constrainedRect.size.height, screenRect.size.height);
 260         constrainedRect.size.height = screenRect.size.height;
 261     }
 262
 263     return constrainedRect;
 264 }
 265
 266 @end
 267
 268
 269 /*****************************************************************************
 270  * VLCVideoWindowCommon
 271  *
 272  *  Common code for main window, detached window and extra video window
 273  *****************************************************************************/
 274
 275 @interface VLCVideoWindowCommon (Internal)
 276 - (void)customZoom:(id)sender;
 277 - (void)hasBecomeFullscreen;
 278 - (void)hasEndedFullscreen;
 279 @end
 280
 281 @implementation VLCVideoWindowCommon
 282
 283 @synthesize videoView=o_video_view;
 284 @synthesize controlsBar=o_controls_bar;
 285 @synthesize inFullscreenTransition=b_in_fullscreen_transition;
 286
 287 #pragma mark -
 288 #pragma mark Init
 289
 290 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask
 291                   backing:(NSBackingStoreType)backingType defer:(BOOL)flag
 292 {
 293     b_dark_interface = config_GetInt(VLCIntf, "macosx-interfacestyle");
 294
 295     if (b_dark_interface) {
 296         styleMask = NSBorderlessWindowMask;
 297 #ifdef MAC_OS_X_VERSION_10_7
 298         if (!OSX_SNOW_LEOPARD)
 299             styleMask |= NSResizableWindowMask;
 300 #endif
 301     }
 302
 303     self = [super initWithContentRect:contentRect styleMask:styleMask
 304                               backing:backingType defer:flag];
 305
 306     /* we want to be moveable regardless of our style */
 307     [self setMovableByWindowBackground: YES];
 308     [self setCanBecomeKeyWindow:YES];
 309
 310     o_temp_view = [[NSView alloc] init];
 311     [o_temp_view setAutoresizingMask:NSViewHeightSizable | NSViewWidthSizable];
 312
 313     return self;
 314 }
 315
 316 - (void)dealloc
 317 {
 318     [o_temp_view release];
 319     [super dealloc];
 320 }
 321
 322 - (void)awakeFromNib
 323 {
 324     BOOL b_nativeFullscreenMode = NO;
 325 #ifdef MAC_OS_X_VERSION_10_7
 326     if (!OSX_SNOW_LEOPARD)
 327         b_nativeFullscreenMode = var_InheritBool(VLCIntf, "macosx-nativefullscreenmode");
 328 #endif
 329
 330     if (b_nativeFullscreenMode) {
 331         [self setCollectionBehavior: NSWindowCollectionBehaviorFullScreenPrimary];
 332     } else {
 333         [o_titlebar_view setFullscreenButtonHidden: YES];
 334     }
 335
 336     [super awakeFromNib];
 337 }
 338
 339 - (void)setTitle:(NSString *)title
 340 {
 341     if (!title || [title length] < 1)
 342         return;
 343
 344     if (b_dark_interface && o_titlebar_view)
 345         [o_titlebar_view setWindowTitle: title];
 346
 347     [super setTitle: title];
 348 }
 349
 350 #pragma mark -
 351 #pragma mark zoom / minimize / close
 352
 353 - (BOOL)validateMenuItem:(NSMenuItem *)menuItem
 354 {
 355     SEL s_menuAction = [menuItem action];
 356
 357     if ((s_menuAction == @selector(performClose:)) || (s_menuAction == @selector(performMiniaturize:)) || (s_menuAction == @selector(performZoom:)))
 358         return YES;
 359
 360     return [super validateMenuItem:menuItem];
 361 }
 362
 363 - (BOOL)windowShouldClose:(id)sender
 364 {
 365     return YES;
 366 }
 367
 368 - (void)performClose:(id)sender
 369 {
 370     if (!([self styleMask] & NSTitledWindowMask)) {
 371         [[NSNotificationCenter defaultCenter] postNotificationName:NSWindowWillCloseNotification object:self];
 372
 373         [self close];
 374     } else
 375         [super performClose: sender];
 376 }
 377
 378 - (void)performMiniaturize:(id)sender
 379 {
 380     if (!([self styleMask] & NSTitledWindowMask))
 381         [self miniaturize: sender];
 382     else
 383         [super performMiniaturize: sender];
 384 }
 385
 386 - (void)performZoom:(id)sender
 387 {
 388     if (!([self styleMask] & NSTitledWindowMask))
 389         [self customZoom: sender];
 390     else
 391         [super performZoom: sender];
 392 }
 393
 394 - (void)zoom:(id)sender
 395 {
 396     if (!([self styleMask] & NSTitledWindowMask))
 397         [self customZoom: sender];
 398     else
 399         [super zoom: sender];
 400 }
 401
 402 /**
 403  * Given a proposed frame rectangle, return a modified version
 404  * which will fit inside the screen.
 405  *
 406  * This method is based upon NSWindow.m, part of the GNUstep GUI Library, licensed under LGPLv2+.
 407  *    Authors:  Scott Christley <scottc@net-community.com>, Venkat Ajjanagadde <venkat@ocbi.com>,
 408  *              Felipe A. Rodriguez <far@ix.netcom.com>, Richard Frith-Macdonald <richard@brainstorm.co.uk>
 409  *    Copyright (C) 1996 Free Software Foundation, Inc.
 410  */
 411 - (NSRect) customConstrainFrameRect: (NSRect)frameRect toScreen: (NSScreen*)screen
 412 {
 413     NSRect screenRect = [screen visibleFrame];
 414     CGFloat difference;
 415
 416     /* Move top edge of the window inside the screen */
 417     difference = NSMaxY (frameRect) - NSMaxY (screenRect);
 418     if (difference > 0) {
 419         frameRect.origin.y -= difference;
 420     }
 421
 422     /* If the window is resizable, resize it (if needed) so that the
 423      bottom edge is on the screen or can be on the screen when the user moves
 424      the window */
 425     difference = NSMaxY (screenRect) - NSMaxY (frameRect);
 426     if (_styleMask & NSResizableWindowMask) {
 427         CGFloat difference2;
 428
 429         difference2 = screenRect.origin.y - frameRect.origin.y;
 430         difference2 -= difference;
 431         // Take in account the space between the top of window and the top of the
 432         // screen which can be used to move the bottom of the window on the screen
 433         if (difference2 > 0) {
 434             frameRect.size.height -= difference2;
 435             frameRect.origin.y += difference2;
 436         }
 437
 438         /* Ensure that resizing doesn't makewindow smaller than minimum */
 439         difference2 = [self minSize].height - frameRect.size.height;
 440         if (difference2 > 0) {
 441             frameRect.size.height += difference2;
 442             frameRect.origin.y -= difference2;
 443         }
 444     }
 445
 446     return frameRect;
 447 }
 448
 449 #define DIST 3
 450
 451 /**
 452  Zooms the receiver.   This method calls the delegate method
 453  windowShouldZoom:toFrame: to determine if the window should
 454  be allowed to zoom to full screen.
 455  *
 456  * This method is based upon NSWindow.m, part of the GNUstep GUI Library, licensed under LGPLv2+.
 457  *    Authors:  Scott Christley <scottc@net-community.com>, Venkat Ajjanagadde <venkat@ocbi.com>,
 458  *              Felipe A. Rodriguez <far@ix.netcom.com>, Richard Frith-Macdonald <richard@brainstorm.co.uk>
 459  *    Copyright (C) 1996 Free Software Foundation, Inc.
 460  */
 461 - (void) customZoom: (id)sender
 462 {
 463     NSRect maxRect = [[self screen] visibleFrame];
 464     NSRect currentFrame = [self frame];
 465
 466     if ([[self delegate] respondsToSelector: @selector(windowWillUseStandardFrame:defaultFrame:)]) {
 467         maxRect = [[self delegate] windowWillUseStandardFrame: self defaultFrame: maxRect];
 468     }
 469
 470     maxRect = [self customConstrainFrameRect: maxRect toScreen: [self screen]];
 471
 472     // Compare the new frame with the current one
 473     if ((abs(NSMaxX(maxRect) - NSMaxX(currentFrame)) < DIST)
 474         && (abs(NSMaxY(maxRect) - NSMaxY(currentFrame)) < DIST)
 475         && (abs(NSMinX(maxRect) - NSMinX(currentFrame)) < DIST)
 476         && (abs(NSMinY(maxRect) - NSMinY(currentFrame)) < DIST)) {
 477         // Already in zoomed mode, reset user frame, if stored
 478         if ([self frameAutosaveName] != nil) {
 479             [self setFrame: previousSavedFrame display: YES animate: YES];
 480             [self saveFrameUsingName: [self frameAutosaveName]];
 481         }
 482         return;
 483     }
 484
 485     if ([self frameAutosaveName] != nil) {
 486         [self saveFrameUsingName: [self frameAutosaveName]];
 487         previousSavedFrame = [self frame];
 488     }
 489
 490     [self setFrame: maxRect display: YES animate: YES];
 491 }
 492
 493 #pragma mark -
 494 #pragma mark Video window resizing logic
 495
 496 - (void)setWindowLevel:(NSInteger)i_state
 497 {
 498     if (var_InheritBool(VLCIntf, "video-wallpaper") || [self level] < NSNormalWindowLevel)
 499         return;
 500
 501     if (!b_fullscreen && !b_in_fullscreen_transition)
 502         [self setLevel: i_state];
 503
 504     // save it for restore if window is currently minimized or in fullscreen
 505     i_originalLevel = i_state;
 506 }
 507
 508 - (NSRect)getWindowRectForProposedVideoViewSize:(NSSize)size
 509 {
 510     NSSize windowMinSize = [self minSize];
 511     NSRect screenFrame = [[self screen] visibleFrame];
 512
 513     NSPoint topleftbase = NSMakePoint(0, [self frame].size.height);
 514     NSPoint topleftscreen = [self convertBaseToScreen: topleftbase];
 515
 516     CGFloat f_width = size.width;
 517     CGFloat f_height = size.height;
 518     if (f_width < windowMinSize.width)
 519         f_width = windowMinSize.width;
 520     if (f_height < f_min_video_height)
 521         f_height = f_min_video_height;
 522
 523     /* Calculate the window's new size */
 524     NSRect new_frame;
 525     new_frame.size.width = [self frame].size.width - [o_video_view frame].size.width + f_width;
 526     new_frame.size.height = [self frame].size.height - [o_video_view frame].size.height + f_height;
 527     new_frame.origin.x = topleftscreen.x;
 528     new_frame.origin.y = topleftscreen.y - new_frame.size.height;
 529
 530     /* make sure the window doesn't exceed the screen size the window is on */
 531     if (new_frame.size.width > screenFrame.size.width) {
 532         new_frame.size.width = screenFrame.size.width;
 533         new_frame.origin.x = screenFrame.origin.x;
 534     }
 535     if (new_frame.size.height > screenFrame.size.height) {
 536         new_frame.size.height = screenFrame.size.height;
 537         new_frame.origin.y = screenFrame.origin.y;
 538     }
 539     if (new_frame.origin.y < screenFrame.origin.y)
 540         new_frame.origin.y = screenFrame.origin.y;
 541
 542     CGFloat right_screen_point = screenFrame.origin.x + screenFrame.size.width;
 543     CGFloat right_window_point = new_frame.origin.x + new_frame.size.width;
 544     if (right_window_point > right_screen_point)
 545         new_frame.origin.x -= (right_window_point - right_screen_point);
 546
 547     return new_frame;
 548 }
 549
 550 - (void)resizeWindow
 551 {
 552     // VOUT_WINDOW_SET_SIZE is triggered when exiting fullscreen. This event is ignored here
 553     // to avoid interference with the animation.
 554     if ([self fullscreen] || b_in_fullscreen_transition)
 555         return;
 556
 557     NSRect window_rect = [self getWindowRectForProposedVideoViewSize:nativeVideoSize];
 558     [[self animator] setFrame:window_rect display:YES];
 559 }
 560
 561 - (void)setNativeVideoSize:(NSSize)size
 562 {
 563     nativeVideoSize = size;
 564
 565     if (var_InheritBool(VLCIntf, "macosx-video-autoresize") && !var_InheritBool(VLCIntf, "video-wallpaper"))
 566         [self resizeWindow];
 567 }
 568
 569 - (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)proposedFrameSize
 570 {
 571     if (![[VLCMain sharedInstance] activeVideoPlayback] || nativeVideoSize.width == 0. || nativeVideoSize.height == 0. || window != self)
 572         return proposedFrameSize;
 573
 574     // needed when entering lion fullscreen mode
 575     if (b_in_fullscreen_transition || [self fullscreen])
 576         return proposedFrameSize;
 577
 578     if ([o_video_view isHidden])
 579         return proposedFrameSize;
 580
 581     if ([[VLCCoreInteraction sharedInstance] aspectRatioIsLocked]) {
 582         NSRect videoWindowFrame = [self frame];
 583         NSRect viewRect = [o_video_view convertRect:[o_video_view bounds] toView: nil];
 584         NSRect contentRect = [self contentRectForFrameRect:videoWindowFrame];
 585         CGFloat marginy = viewRect.origin.y + videoWindowFrame.size.height - contentRect.size.height;
 586         CGFloat marginx = contentRect.size.width - viewRect.size.width;
 587         if (o_titlebar_view && b_dark_interface)
 588             marginy += [o_titlebar_view frame].size.height;
 589
 590         proposedFrameSize.height = (proposedFrameSize.width - marginx) * nativeVideoSize.height / nativeVideoSize.width + marginy;
 591     }
 592
 593     return proposedFrameSize;
 594 }
 595
 596 - (void)windowWillMiniaturize:(NSNotification *)notification
 597 {
 598     // Set level to normal as a workaround for Mavericks bug causing window
 599     // to vanish from screen, see radar://15473716
 600     i_originalLevel = [self level];
 601     [self setLevel: NSNormalWindowLevel];
 602 }
 603
 604 - (void)windowDidDeminiaturize:(NSNotification *)notification
 605 {
 606     [self setLevel: i_originalLevel];
 607 }
 608
 609 #pragma mark -
 610 #pragma mark Mouse cursor handling
 611
 612 //  NSTimer selectors require this function signature as per Apple's docs
 613 - (void)hideMouseCursor:(NSTimer *)timer
 614 {
 615     [NSCursor setHiddenUntilMouseMoves: YES];
 616 }
 617
 618 - (void)recreateHideMouseTimer
 619 {
 620     if (t_hide_mouse_timer != nil) {
 621         [t_hide_mouse_timer invalidate];
 622         [t_hide_mouse_timer release];
 623     }
 624
 625     t_hide_mouse_timer = [NSTimer scheduledTimerWithTimeInterval:2
 626                                                           target:self
 627                                                         selector:@selector(hideMouseCursor:)
 628                                                         userInfo:nil
 629                                                          repeats:NO];
 630     [t_hide_mouse_timer retain];
 631 }
 632
 633 //  Called automatically if window's acceptsMouseMovedEvents property is true
 634 - (void)mouseMoved:(NSEvent *)theEvent
 635 {
 636     if (b_fullscreen)
 637         [self recreateHideMouseTimer];
 638
 639     [super mouseMoved: theEvent];
 640 }
 641
 642 #pragma mark -
 643 #pragma mark Lion native fullscreen handling
 644
 645 - (void)becomeKeyWindow
 646 {
 647     [super becomeKeyWindow];
 648
 649     // change fspanel state for the case when multiple windows are in fullscreen
 650     if ([self hasActiveVideo] && [self fullscreen])
 651         [[[VLCMainWindow sharedInstance] fsPanel] setActive:nil];
 652     else
 653         [[[VLCMainWindow sharedInstance] fsPanel] setNonActive:nil];
 654 }
 655
 656 - (void)resignKeyWindow
 657 {
 658     [super resignKeyWindow];
 659
 660     [[[VLCMainWindow sharedInstance] fsPanel] setNonActive:nil];
 661 }
 662
 663 -(NSArray*)customWindowsToEnterFullScreenForWindow:(NSWindow *)window
 664 {
 665     if (window == self) {
 666         return [NSArray arrayWithObject:window];
 667     }
 668
 669     return nil;
 670 }
 671
 672 - (NSArray*)customWindowsToExitFullScreenForWindow:(NSWindow*)window
 673 {
 674     if (window == self) {
 675         return [NSArray arrayWithObject:window];
 676     }
 677
 678     return nil;
 679 }
 680
 681 - (void)window:window startCustomAnimationToEnterFullScreenWithDuration:(NSTimeInterval)duration
 682 {
 683     [window setStyleMask:([window styleMask] | NSFullScreenWindowMask)];
 684
 685     NSScreen *screen = [window screen];
 686     NSRect screenFrame = [screen frame];
 687
 688     [NSAnimationContext runAnimationGroup:^(NSAnimationContext *context) {
 689         [context setDuration:0.5 * duration];
 690         [[window animator] setFrame:screenFrame display:YES];
 691     } completionHandler:nil];
 692 }
 693
 694 - (void)window:window startCustomAnimationToExitFullScreenWithDuration:(NSTimeInterval)duration
 695 {
 696     [window setStyleMask:([window styleMask] & ~NSFullScreenWindowMask)];
 697     [[window animator] setFrame:frameBeforeLionFullscreen display:YES animate:YES];
 698
 699     [NSAnimationContext runAnimationGroup:^(NSAnimationContext *context) {
 700         [context setDuration:0.5 * duration];
 701         [[window animator] setFrame:frameBeforeLionFullscreen display:YES animate:YES];
 702     } completionHandler:nil];
 703 }
 704
 705 - (void)windowWillEnterFullScreen:(NSNotification *)notification
 706 {
 707     // workaround, see #6668
 708     [NSApp setPresentationOptions:(NSApplicationPresentationFullScreen | NSApplicationPresentationAutoHideDock | NSApplicationPresentationAutoHideMenuBar)];
 709
 710     i_originalLevel = [self level];
 711     // b_fullscreen and b_in_fullscreen_transition must not be true yet
 712     [[[VLCMain sharedInstance] voutController] updateWindowLevelForHelperWindows: NSNormalWindowLevel];
 713     [self setLevel:NSNormalWindowLevel];
 714
 715     b_in_fullscreen_transition = YES;
 716
 717     var_SetBool(pl_Get(VLCIntf), "fullscreen", true);
 718
 719     frameBeforeLionFullscreen = [self frame];
 720
 721     if ([self hasActiveVideo]) {
 722         vout_thread_t *p_vout = getVoutForActiveWindow();
 723         if (p_vout) {
 724             var_SetBool(p_vout, "fullscreen", true);
 725             vlc_object_release(p_vout);
 726         }
 727     }
 728
 729     if ([self hasActiveVideo])
 730         [[VLCMainWindow sharedInstance] recreateHideMouseTimer];
 731
 732     if (b_dark_interface) {
 733         [o_titlebar_view removeFromSuperviewWithoutNeedingDisplay];
 734
 735         NSRect winrect;
 736         CGFloat f_titleBarHeight = [o_titlebar_view frame].size.height;
 737         winrect = [self frame];
 738
 739         winrect.size.height = winrect.size.height - f_titleBarHeight;
 740         [self setFrame: winrect display:NO animate:NO];
 741     }
 742
 743     [o_video_view setFrame: [[self contentView] frame]];
 744     if (![o_video_view isHidden]) {
 745         [[o_controls_bar bottomBarView] setHidden: YES];
 746     }
 747
 748     [self setMovableByWindowBackground: NO];
 749 }
 750
 751 - (void)windowDidEnterFullScreen:(NSNotification *)notification
 752 {
 753     // Indeed, we somehow can have an "inactive" fullscreen (but a visible window!).
 754     // But this creates some problems when leaving fs over remote intfs, so activate app here.
 755     [NSApp activateIgnoringOtherApps:YES];
 756
 757     [self setFullscreen: YES];
 758     b_in_fullscreen_transition = NO;
 759
 760     if ([self hasActiveVideo]) {
 761         [[[VLCMainWindow sharedInstance] fsPanel] setVoutWasUpdated: self];
 762         if (![o_video_view isHidden])
 763             [[[VLCMainWindow sharedInstance] fsPanel] setActive: nil];
 764     }
 765
 766     NSArray *subviews = [[self videoView] subviews];
 767     NSUInteger count = [subviews count];
 768
 769     for (NSUInteger x = 0; x < count; x++) {
 770         if ([[subviews objectAtIndex:x] respondsToSelector:@selector(reshape)])
 771             [[subviews objectAtIndex:x] reshape];
 772     }
 773
 774 }
 775
 776 - (void)windowWillExitFullScreen:(NSNotification *)notification
 777 {
 778     b_in_fullscreen_transition = YES;
 779     [self setFullscreen: NO];
 780
 781     var_SetBool(pl_Get(VLCIntf), "fullscreen", false);
 782
 783     if ([self hasActiveVideo]) {
 784         vout_thread_t *p_vout = getVoutForActiveWindow();
 785         if (p_vout) {
 786             var_SetBool(p_vout, "fullscreen", false);
 787             vlc_object_release(p_vout);
 788         }
 789     }
 790
 791     [NSCursor setHiddenUntilMouseMoves: NO];
 792     [[[VLCMainWindow sharedInstance] fsPanel] setNonActive: nil];
 793
 794
 795     if (b_dark_interface) {
 796         NSRect winrect;
 797         CGFloat f_titleBarHeight = [o_titlebar_view frame].size.height;
 798
 799         winrect = [o_video_view frame];
 800         winrect.size.height -= f_titleBarHeight;
 801         [o_video_view setFrame: winrect];
 802
 803         winrect = [self frame];
 804         [o_titlebar_view setFrame: NSMakeRect(0, winrect.size.height - f_titleBarHeight,
 805                                               winrect.size.width, f_titleBarHeight)];
 806         [[self contentView] addSubview: o_titlebar_view];
 807
 808         winrect.size.height = winrect.size.height + f_titleBarHeight;
 809         [self setFrame: winrect display:NO animate:NO];
 810     }
 811
 812     NSRect videoViewFrame = [o_video_view frame];
 813     videoViewFrame.origin.y += [o_controls_bar height];
 814     videoViewFrame.size.height -= [o_controls_bar height];
 815     [o_video_view setFrame: videoViewFrame];
 816
 817     if (![o_video_view isHidden]) {
 818         [[o_controls_bar bottomBarView] setHidden: NO];
 819     }
 820
 821     [self setMovableByWindowBackground: YES];
 822 }
 823
 824 - (void)windowDidExitFullScreen:(NSNotification *)notification
 825 {
 826     b_in_fullscreen_transition = NO;
 827
 828     [[[VLCMain sharedInstance] voutController] updateWindowLevelForHelperWindows: i_originalLevel];
 829     [self setLevel:i_originalLevel];
 830 }
 831
 832 #pragma mark -
 833 #pragma mark Fullscreen Logic
 834
 835 - (void)enterFullscreen
 836 {
 837     NSMutableDictionary *dict1, *dict2;
 838     NSScreen *screen;
 839     NSRect screen_rect;
 840     NSRect rect;
 841     BOOL blackout_other_displays = var_InheritBool(VLCIntf, "macosx-black");
 842
 843     screen = [NSScreen screenWithDisplayID:(CGDirectDisplayID)var_InheritInteger(VLCIntf, "macosx-vdev")];
 844
 845     if (!screen) {
 846         msg_Dbg(VLCIntf, "chosen screen isn't present, using current screen for fullscreen mode");
 847         screen = [self screen];
 848     }
 849     if (!screen) {
 850         msg_Dbg(VLCIntf, "Using deepest screen");
 851         screen = [NSScreen deepestScreen];
 852     }
 853
 854     screen_rect = [screen frame];
 855
 856     if (o_controls_bar)
 857         [o_controls_bar setFullscreenState:YES];
 858     [[[VLCMainWindow sharedInstance] controlsBar] setFullscreenState:YES];
 859
 860     [[VLCMainWindow sharedInstance] recreateHideMouseTimer];
 861
 862     if (blackout_other_displays)
 863         [screen blackoutOtherScreens];
 864
 865     /* Make sure we don't see the window flashes in float-on-top mode */
 866     i_originalLevel = [self level];
 867     // b_fullscreen must not be true yet
 868     [[[VLCMain sharedInstance] voutController] updateWindowLevelForHelperWindows: NSNormalWindowLevel];
 869     [self setLevel:NSNormalWindowLevel];
 870
 871     /* Only create the o_fullscreen_window if we are not in the middle of the zooming animation */
 872     if (!o_fullscreen_window) {
 873         /* We can't change the styleMask of an already created NSWindow, so we create another window, and do eye catching stuff */
 874
 875         rect = [[o_video_view superview] convertRect: [o_video_view frame] toView: nil]; /* Convert to Window base coord */
 876         rect.origin.x += [self frame].origin.x;
 877         rect.origin.y += [self frame].origin.y;
 878         o_fullscreen_window = [[VLCWindow alloc] initWithContentRect:rect styleMask: NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:YES];
 879         [o_fullscreen_window setBackgroundColor: [NSColor blackColor]];
 880         [o_fullscreen_window setCanBecomeKeyWindow: YES];
 881         [o_fullscreen_window setCanBecomeMainWindow: YES];
 882         [o_fullscreen_window setHasActiveVideo: YES];
 883         [o_fullscreen_window setFullscreen: YES];
 884
 885         if (![self isVisible] || [self alphaValue] == 0.0) {
 886             /* We don't animate if we are not visible, instead we
 887              * simply fade the display */
 888             CGDisplayFadeReservationToken token;
 889
 890             if (blackout_other_displays) {
 891                 CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval, &token);
 892                 CGDisplayFade(token, 0.5, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0, 0, 0, YES);
 893             }
 894
 895             [screen setFullscreenPresentationOptions];
 896
 897             [o_video_view retain];
 898             [[o_video_view superview] replaceSubview:o_video_view with:o_temp_view];
 899             [o_temp_view setFrame:[o_video_view frame]];
 900             [o_fullscreen_window setContentView:o_video_view];
 901             [o_video_view release];
 902
 903             [o_fullscreen_window makeKeyAndOrderFront:self];
 904             [o_fullscreen_window orderFront:self animate:YES];
 905
 906             [o_fullscreen_window setFrame:screen_rect display:YES animate:YES];
 907             [o_fullscreen_window setLevel:NSNormalWindowLevel];
 908
 909             if (blackout_other_displays) {
 910                 CGDisplayFade(token, 0.3, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0, 0, 0, NO);
 911                 CGReleaseDisplayFadeReservation(token);
 912             }
 913
 914             /* Will release the lock */
 915             [self hasBecomeFullscreen];
 916
 917             return;
 918         }
 919
 920         /* Make sure video view gets visible in case the playlist was visible before */
 921         b_video_view_was_hidden = [o_video_view isHidden];
 922         [o_video_view setHidden: NO];
 923
 924         /* Make sure we don't see the o_video_view disappearing of the screen during this operation */
 925         NSDisableScreenUpdates();
 926         [o_video_view retain];
 927         [[o_video_view superview] replaceSubview:o_video_view with:o_temp_view];
 928         [o_temp_view setFrame:[o_video_view frame]];
 929         [o_fullscreen_window setContentView:o_video_view];
 930         [o_video_view release];
 931         [o_fullscreen_window makeKeyAndOrderFront:self];
 932         NSEnableScreenUpdates();
 933     }
 934
 935     /* We are in fullscreen (and no animation is running) */
 936     if ([self fullscreen]) {
 937         /* Make sure we are hidden */
 938         [self orderOut: self];
 939
 940         return;
 941     }
 942
 943     if (o_fullscreen_anim1) {
 944         [o_fullscreen_anim1 stopAnimation];
 945         [o_fullscreen_anim1 release];
 946     }
 947     if (o_fullscreen_anim2) {
 948         [o_fullscreen_anim2 stopAnimation];
 949         [o_fullscreen_anim2 release];
 950     }
 951
 952     [screen setFullscreenPresentationOptions];
 953
 954     dict1 = [[NSMutableDictionary alloc] initWithCapacity:2];
 955     dict2 = [[NSMutableDictionary alloc] initWithCapacity:3];
 956
 957     [dict1 setObject:self forKey:NSViewAnimationTargetKey];
 958     [dict1 setObject:NSViewAnimationFadeOutEffect forKey:NSViewAnimationEffectKey];
 959
 960     [dict2 setObject:o_fullscreen_window forKey:NSViewAnimationTargetKey];
 961     [dict2 setObject:[NSValue valueWithRect:[o_fullscreen_window frame]] forKey:NSViewAnimationStartFrameKey];
 962     [dict2 setObject:[NSValue valueWithRect:screen_rect] forKey:NSViewAnimationEndFrameKey];
 963
 964     /* Strategy with NSAnimation allocation:
 965      - Keep at most 2 animation at a time
 966      - leaveFullscreen/enterFullscreen are the only responsible for releasing and alloc-ing
 967      */
 968     o_fullscreen_anim1 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict1]];
 969     o_fullscreen_anim2 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict2]];
 970
 971     [dict1 release];
 972     [dict2 release];
 973
 974     [o_fullscreen_anim1 setAnimationBlockingMode: NSAnimationNonblocking];
 975     [o_fullscreen_anim1 setDuration: 0.3];
 976     [o_fullscreen_anim1 setFrameRate: 30];
 977     [o_fullscreen_anim2 setAnimationBlockingMode: NSAnimationNonblocking];
 978     [o_fullscreen_anim2 setDuration: 0.2];
 979     [o_fullscreen_anim2 setFrameRate: 30];
 980
 981     [o_fullscreen_anim2 setDelegate: self];
 982     [o_fullscreen_anim2 startWhenAnimation: o_fullscreen_anim1 reachesProgress: 1.0];
 983
 984     [o_fullscreen_anim1 startAnimation];
 985     /* fullscreenAnimation will be unlocked when animation ends */
 986
 987     b_in_fullscreen_transition = YES;
 988 }
 989
 990 - (void)hasBecomeFullscreen
 991 {
 992     if ([[o_video_view subviews] count] > 0)
 993         [o_fullscreen_window makeFirstResponder: [[o_video_view subviews] objectAtIndex:0]];
 994
 995     [o_fullscreen_window makeKeyWindow];
 996     [o_fullscreen_window setAcceptsMouseMovedEvents: YES];
 997
 998     /* tell the fspanel to move itself to front next time it's triggered */
 999     [[[VLCMainWindow sharedInstance] fsPanel] setVoutWasUpdated: o_fullscreen_window];
1000     [[[VLCMainWindow sharedInstance] fsPanel] setActive: nil];
1001
1002     if ([self isVisible])
1003         [self orderOut: self];
1004
1005     b_in_fullscreen_transition = NO;
1006     [self setFullscreen:YES];
1007 }
1008
1009 - (void)leaveFullscreenWithAnimation:(BOOL)b_animation
1010 {
1011     NSMutableDictionary *dict1, *dict2;
1012     NSRect frame;
1013     BOOL blackout_other_displays = var_InheritBool(VLCIntf, "macosx-black");
1014
1015     if (o_controls_bar)
1016         [o_controls_bar setFullscreenState:NO];
1017     [[[VLCMainWindow sharedInstance] controlsBar] setFullscreenState:NO];
1018
1019     /* We always try to do so */
1020     [NSScreen unblackoutScreens];
1021
1022     [[o_video_view window] makeKeyAndOrderFront: nil];
1023
1024     /* Don't do anything if o_fullscreen_window is already closed */
1025     if (!o_fullscreen_window) {
1026         return;
1027     }
1028
1029     [[[VLCMainWindow sharedInstance] fsPanel] setNonActive: nil];
1030     [[o_fullscreen_window screen] setNonFullscreenPresentationOptions];
1031
1032     if (o_fullscreen_anim1) {
1033         [o_fullscreen_anim1 stopAnimation];
1034         [o_fullscreen_anim1 release];
1035         o_fullscreen_anim1 = nil;
1036     }
1037     if (o_fullscreen_anim2) {
1038         [o_fullscreen_anim2 stopAnimation];
1039         [o_fullscreen_anim2 release];
1040         o_fullscreen_anim2 = nil;
1041     }
1042
1043     if (!b_animation) {
1044         /* We don't animate if we are not visible, instead we
1045          * simply fade the display */
1046         CGDisplayFadeReservationToken token;
1047
1048         if (blackout_other_displays) {
1049             CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval, &token);
1050             CGDisplayFade(token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0, 0, 0, YES);
1051         }
1052
1053         [self setAlphaValue:1.0];
1054         [self orderFront: self];
1055
1056         /* Will release the lock */
1057         [self hasEndedFullscreen];
1058
1059         if (blackout_other_displays) {
1060             CGDisplayFade(token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0, 0, 0, NO);
1061             CGReleaseDisplayFadeReservation(token);
1062         }
1063
1064         return;
1065     }
1066
1067     b_in_fullscreen_transition = YES;
1068
1069     [self setAlphaValue: 0.0];
1070     [self orderFront: self];
1071     [[o_video_view window] orderFront: self];
1072
1073     frame = [[o_temp_view superview] convertRect: [o_temp_view frame] toView: nil]; /* Convert to Window base coord */
1074     frame.origin.x += [self frame].origin.x;
1075     frame.origin.y += [self frame].origin.y;
1076
1077     dict2 = [[NSMutableDictionary alloc] initWithCapacity:2];
1078     [dict2 setObject:self forKey:NSViewAnimationTargetKey];
1079     [dict2 setObject:NSViewAnimationFadeInEffect forKey:NSViewAnimationEffectKey];
1080
1081     o_fullscreen_anim2 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict2]];
1082     [dict2 release];
1083
1084     [o_fullscreen_anim2 setAnimationBlockingMode: NSAnimationNonblocking];
1085     [o_fullscreen_anim2 setDuration: 0.3];
1086     [o_fullscreen_anim2 setFrameRate: 30];
1087
1088     [o_fullscreen_anim2 setDelegate: self];
1089
1090     dict1 = [[NSMutableDictionary alloc] initWithCapacity:3];
1091
1092     [dict1 setObject:o_fullscreen_window forKey:NSViewAnimationTargetKey];
1093     [dict1 setObject:[NSValue valueWithRect:[o_fullscreen_window frame]] forKey:NSViewAnimationStartFrameKey];
1094     [dict1 setObject:[NSValue valueWithRect:frame] forKey:NSViewAnimationEndFrameKey];
1095
1096     o_fullscreen_anim1 = [[NSViewAnimation alloc] initWithViewAnimations:[NSArray arrayWithObject:dict1]];
1097     [dict1 release];
1098
1099     [o_fullscreen_anim1 setAnimationBlockingMode: NSAnimationNonblocking];
1100     [o_fullscreen_anim1 setDuration: 0.2];
1101     [o_fullscreen_anim1 setFrameRate: 30];
1102     [o_fullscreen_anim2 startWhenAnimation: o_fullscreen_anim1 reachesProgress: 1.0];
1103
1104     /* Make sure o_fullscreen_window is the frontmost window */
1105     [o_fullscreen_window orderFront: self];
1106
1107     [o_fullscreen_anim1 startAnimation];
1108     /* fullscreenAnimation will be unlocked when animation ends */
1109 }
1110
1111 - (void)hasEndedFullscreen
1112 {
1113     [self setFullscreen:NO];
1114     b_in_fullscreen_transition = NO;
1115
1116     /* This function is private and should be only triggered at the end of the fullscreen change animation */
1117     /* Make sure we don't see the o_video_view disappearing of the screen during this operation */
1118     NSDisableScreenUpdates();
1119     [o_video_view retain];
1120     [o_video_view removeFromSuperviewWithoutNeedingDisplay];
1121     [[o_temp_view superview] replaceSubview:o_temp_view with:o_video_view];
1122     [o_video_view release];
1123     [o_video_view setFrame:[o_temp_view frame]];
1124     if ([[o_video_view subviews] count] > 0)
1125         [self makeFirstResponder: [[o_video_view subviews] objectAtIndex:0]];
1126
1127     [o_video_view setHidden: b_video_view_was_hidden];
1128
1129     [self makeKeyAndOrderFront:self];
1130
1131     [o_fullscreen_window orderOut: self];
1132     NSEnableScreenUpdates();
1133
1134     [o_fullscreen_window release];
1135     o_fullscreen_window = nil;
1136
1137     [[[VLCMain sharedInstance] voutController] updateWindowLevelForHelperWindows: i_originalLevel];
1138     [self setLevel:i_originalLevel];
1139
1140     [self setAlphaValue: config_GetFloat(VLCIntf, "macosx-opaqueness")];
1141 }
1142
1143 - (void)animationDidEnd:(NSAnimation*)animation
1144 {
1145     NSArray *viewAnimations;
1146     if ([animation currentValue] < 1.0)
1147         return;
1148
1149     /* Fullscreen ended or started (we are a delegate only for leaveFullscreen's/enterFullscren's anim2) */
1150     viewAnimations = [o_fullscreen_anim2 viewAnimations];
1151     if ([viewAnimations count] >=1 &&
1152         [[[viewAnimations objectAtIndex:0] objectForKey: NSViewAnimationEffectKey] isEqualToString:NSViewAnimationFadeInEffect]) {
1153         /* Fullscreen ended */
1154         [self hasEndedFullscreen];
1155     } else
1156     /* Fullscreen started */
1157         [self hasBecomeFullscreen];
1158 }
1159
1160 #pragma mark -
1161 #pragma mark Accessibility stuff
1162
1163 - (NSArray *)accessibilityAttributeNames
1164 {
1165     if (!b_dark_interface || !o_titlebar_view)
1166         return [super accessibilityAttributeNames];
1167
1168     static NSMutableArray *attributes = nil;
1169     if (attributes == nil) {
1170         attributes = [[super accessibilityAttributeNames] mutableCopy];
1171         NSArray *appendAttributes = [NSArray arrayWithObjects:NSAccessibilitySubroleAttribute,
1172                                      NSAccessibilityCloseButtonAttribute,
1173                                      NSAccessibilityMinimizeButtonAttribute,
1174                                      NSAccessibilityZoomButtonAttribute, nil];
1175
1176         for(NSString *attribute in appendAttributes) {
1177             if (![attributes containsObject:attribute])
1178                 [attributes addObject:attribute];
1179         }
1180     }
1181     return attributes;
1182 }
1183
1184 - (id)accessibilityAttributeValue: (NSString*)o_attribute_name
1185 {
1186     if (b_dark_interface && o_titlebar_view) {
1187         VLCMainWindowTitleView *o_tbv = o_titlebar_view;
1188
1189         if ([o_attribute_name isEqualTo: NSAccessibilitySubroleAttribute])
1190             return NSAccessibilityStandardWindowSubrole;
1191
1192         if ([o_attribute_name isEqualTo: NSAccessibilityCloseButtonAttribute])
1193             return [[o_tbv closeButton] cell];
1194
1195         if ([o_attribute_name isEqualTo: NSAccessibilityMinimizeButtonAttribute])
1196             return [[o_tbv minimizeButton] cell];
1197
1198         if ([o_attribute_name isEqualTo: NSAccessibilityZoomButtonAttribute])
1199             return [[o_tbv zoomButton] cell];
1200     }
1201
1202     return [super accessibilityAttributeValue: o_attribute_name];
1203 }
1204
1205 @end