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1/*
2 * Copyright (C) 2005, 2006, 2007 Apple, Inc.  All rights reserved.
3 *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
4 *           (C) 2007 Eric Seidel <eric@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
41CFMutableArrayRef openWindowsRef = 0;
42
43static 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    [self stopObservingWebView];
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:(id)sender
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)startObservingWebView
103{
104    [self stopObservingWebView];
105    [[self webView] addObserver:self forKeyPath:@"_isUsingAcceleratedCompositing" options:0 context:0];
106    observingWebView = YES;
107}
108
109- (void)stopObservingWebView
110{
111    if (!observingWebView)
112        return;
113    [[self webView] removeObserver:self forKeyPath:@"_isUsingAcceleratedCompositing"];
114    observingWebView = NO;
115}
116
117- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
118{
119    if ([keyPath isEqualToString:@"_isUsingAcceleratedCompositing"]) {
120        // When using accelerated compositing, the window needs to be autodisplay for AppKit/CA to
121        // start accelerated animations correctly.
122        BOOL isAccelerated = [[self webView] _isUsingAcceleratedCompositing];
123        [self setAutodisplay:isAccelerated];
124        return;
125    }
126
127    [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
128}
129
130@end
131