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      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