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