1/*
2 * Copyright (C) 2005, 2006 Apple Computer, Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#import <Foundation/Foundation.h>
30
31#import <WebKit/WebFrame.h>
32
33@class DOMElement;
34
35@interface WebCoreStatistics : NSObject
36{
37}
38
39+ (NSArray *)statistics;
40
41+ (size_t)javaScriptObjectsCount;
42+ (size_t)javaScriptGlobalObjectsCount;
43+ (size_t)javaScriptProtectedObjectsCount;
44+ (size_t)javaScriptProtectedGlobalObjectsCount;
45+ (NSCountedSet *)javaScriptProtectedObjectTypeCounts;
46+ (NSCountedSet *)javaScriptObjectTypeCounts;
47
48+ (void)garbageCollectJavaScriptObjects;
49+ (void)garbageCollectJavaScriptObjectsOnAlternateThreadForDebugging:(BOOL)waitUntilDone;
50
51+ (size_t)iconPageURLMappingCount;
52+ (size_t)iconRetainedPageURLCount;
53+ (size_t)iconRecordCount;
54+ (size_t)iconsWithDataCount;
55
56+ (size_t)cachedFontDataCount;
57+ (size_t)cachedFontDataInactiveCount;
58+ (void)purgeInactiveFontData;
59+ (size_t)glyphPageCount;
60
61+ (BOOL)shouldPrintExceptions;
62+ (void)setShouldPrintExceptions:(BOOL)print;
63
64+ (void)startIgnoringWebCoreNodeLeaks;
65+ (void)stopIgnoringWebCoreNodeLeaks;
66
67+ (NSDictionary *)memoryStatistics;
68+ (void)returnFreeMemoryToSystem;
69
70+ (int)cachedPageCount;
71+ (int)cachedFrameCount;
72+ (int)autoreleasedPageCount;
73
74// Deprecated, but used by older versions of Safari.
75+ (void)emptyCache;
76+ (void)setCacheDisabled:(BOOL)disabled;
77+ (size_t)javaScriptNoGCAllowedObjectsCount;
78+ (size_t)javaScriptReferencedObjectsCount;
79+ (NSSet *)javaScriptRootObjectClasses;
80+ (NSCountedSet *)javaScriptRootObjectTypeCounts;
81+ (size_t)javaScriptInterpretersCount;
82
83@end
84
85@interface WebFrame (WebKitDebug)
86- (NSString *)renderTreeAsExternalRepresentationForPrinting:(BOOL)forPrinting;
87- (NSString *)counterValueForElement:(DOMElement*)element;
88- (int)pageNumberForElement:(DOMElement*)element:(float)pageWidthInPixels:(float)pageHeightInPixels;
89- (int)numberOfPages:(float)pageWidthInPixels:(float)pageHeightInPixels;
90- (NSString *)pageProperty:(const char*)propertyName:(int)pageNumber;
91- (bool)isPageBoxVisible:(int)pageNumber;
92- (NSString *)pageSizeAndMarginsInPixels:(int)pageNumber:(int)width:(int)height:(int)marginTop:(int)marginRight:(int)marginBottom:(int)marginLeft;
93- (void)printToCGContext:(CGContextRef)cgContext:(float)pageWidthInPixels:(float)pageHeightInPixels;
94@end
95