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      1 /*
      2  * Copyright (C) 2005, 2006, 2007 Apple, Inc.  All rights reserved.
      3  *           (C) 2007 Graham Dennis (graham.dennis (at) gmail.com)
      4  *           (C) 2007 Eric Seidel <eric (at) webkit.org>
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #import "config.h"
     32 #import "DumpRenderTreeWindow.h"
     33 
     34 #import "DumpRenderTree.h"
     35 
     36 // FIXME: This file is ObjC++ only because of this include. :(
     37 #import "LayoutTestController.h"
     38 #import <WebKit/WebViewPrivate.h>
     39 #import <WebKit/WebTypesInternal.h>
     40 
     41 CFMutableArrayRef openWindowsRef = 0;
     42 
     43 static CFArrayCallBacks NonRetainingArrayCallbacks = {
     44     0,
     45     NULL,
     46     NULL,
     47     CFCopyDescription,
     48     CFEqual
     49 };
     50 
     51 @implementation DumpRenderTreeWindow
     52 
     53 + (NSArray *)openWindows
     54 {
     55     return [[(NSArray *)openWindowsRef copy] autorelease];
     56 }
     57 
     58 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation
     59 {
     60     if (!openWindowsRef)
     61         openWindowsRef = CFArrayCreateMutable(NULL, 0, &NonRetainingArrayCallbacks);
     62 
     63     CFArrayAppendValue(openWindowsRef, self);
     64 
     65     return [super initWithContentRect:contentRect styleMask:styleMask backing:bufferingType defer:deferCreation];
     66 }
     67 
     68 - (void)close
     69 {
     70     [[NSNotificationCenter defaultCenter] removeObserver:self];
     71 
     72     CFRange arrayRange = CFRangeMake(0, CFArrayGetCount(openWindowsRef));
     73     CFIndex i = CFArrayGetFirstIndexOfValue(openWindowsRef, arrayRange, self);
     74     if (i != kCFNotFound)
     75         CFArrayRemoveValueAtIndex(openWindowsRef, i);
     76 
     77     [super close];
     78 }
     79 
     80 - (BOOL)isKeyWindow
     81 {
     82     return gLayoutTestController ? gLayoutTestController->windowIsKey() : YES;
     83 }
     84 
     85 - (void)keyDown:(NSEvent *)event
     86 {
     87     // Do nothing, avoiding the beep we'd otherwise get from NSResponder,
     88     // once we get to the end of the responder chain.
     89 }
     90 
     91 - (WebView *)webView
     92 {
     93     NSView *firstView = nil;
     94     if ([[[self contentView] subviews] count] > 0) {
     95         firstView = [[[self contentView] subviews] objectAtIndex:0];
     96         if ([firstView isKindOfClass:[WebView class]])
     97             return static_cast<WebView *>(firstView);
     98     }
     99     return nil;
    100 }
    101 
    102 - (void)startListeningForAcceleratedCompositingChanges
    103 {
    104     [[self webView] _setPostsAcceleratedCompositingNotifications:YES];
    105     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(webViewStartedAcceleratedCompositing:)
    106         name:_WebViewDidStartAcceleratedCompositingNotification object:nil];
    107 }
    108 
    109 - (void)webViewStartedAcceleratedCompositing:(NSNotification *)notification
    110 {
    111     // If the WebView has gone into compositing mode, turn on window autodisplay. This is necessary for CA
    112     // to update layers and start animations.
    113     // We only ever turn autodisplay on here, because we turn it off before every test.
    114     if ([[self webView] _isUsingAcceleratedCompositing])
    115         [self setAutodisplay:YES];
    116 }
    117 
    118 @end
    119