/*

 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#import "WebCoreStatistics.h"

#import "DOMElementInternal.h"

#import "WebCache.h"

#import "WebFrameInternal.h"

#import <runtime/JSLock.h>

#import <WebCore/Console.h>

#import <WebCore/FontCache.h>

#import <WebCore/Frame.h>

#import <WebCore/GCController.h>

#import <WebCore/GlyphPageTreeNode.h>

#import <WebCore/GraphicsContext.h>

#import <WebCore/IconDatabase.h>

#import <WebCore/JSDOMWindow.h>

#import <WebCore/PageCache.h>

#import <WebCore/PrintContext.h>

#import <WebCore/RenderTreeAsText.h>

#import <WebCore/RenderView.h>

using namespace JSC;

using namespace WebCore;

@implementation WebCoreStatistics

+ (NSArray *)statistics

{

    return [WebCache statistics];

}

+ (size_t)javaScriptObjectsCount

{

    JSLock lock(SilenceAssertionsOnly);

    return JSDOMWindow::commonJSGlobalData()->heap.objectCount();

}

+ (size_t)javaScriptGlobalObjectsCount

{

    JSLock lock(SilenceAssertionsOnly);

    return JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount();

}

+ (size_t)javaScriptProtectedObjectsCount

{

    JSLock lock(SilenceAssertionsOnly);

    return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();

}

+ (size_t)javaScriptProtectedGlobalObjectsCount

{

    JSLock lock(SilenceAssertionsOnly);

    return JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount();

}

+ (NSCountedSet *)javaScriptProtectedObjectTypeCounts

{

    JSLock lock(SilenceAssertionsOnly);

    NSCountedSet *result = [NSCountedSet set];

    OwnPtr<HashCountedSet<const char*> > counts(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());

    HashCountedSet<const char*>::iterator end = counts->end();

    for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it)

        for (unsigned i = 0; i < it->second; ++i)

            [result addObject:[NSString stringWithUTF8String:it->first]];

    return result;

}

+ (NSCountedSet *)javaScriptObjectTypeCounts

{

    JSLock lock(SilenceAssertionsOnly);

    NSCountedSet *result = [NSCountedSet set];

    OwnPtr<HashCountedSet<const char*> > counts(JSDOMWindow::commonJSGlobalData()->heap.objectTypeCounts());

    HashCountedSet<const char*>::iterator end = counts->end();

    for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it)

        for (unsigned i = 0; i < it->second; ++i)

            [result addObject:[NSString stringWithUTF8String:it->first]];

    return result;

}

+ (void)garbageCollectJavaScriptObjects

{

    gcController().garbageCollectNow();

}

+ (void)garbageCollectJavaScriptObjectsOnAlternateThreadForDebugging:(BOOL)waitUntilDone

{

    gcController().garbageCollectOnAlternateThreadForDebugging(waitUntilDone);

}

+ (size_t)iconPageURLMappingCount

{

    return iconDatabase()->pageURLMappingCount();

}

+ (size_t)iconRetainedPageURLCount

{

    return iconDatabase()->retainedPageURLCount();

}

+ (size_t)iconRecordCount

{

    return iconDatabase()->iconRecordCount();

}

+ (size_t)iconsWithDataCount

{

    return iconDatabase()->iconRecordCountWithData();

}

+ (size_t)cachedFontDataCount

{

    return fontCache()->fontDataCount();

}

+ (size_t)cachedFontDataInactiveCount

{

    return fontCache()->inactiveFontDataCount();

}

+ (void)purgeInactiveFontData

{

    fontCache()->purgeInactiveFontData();

}

+ (size_t)glyphPageCount

{

    return GlyphPageTreeNode::treeGlyphPageCount();

}

+ (BOOL)shouldPrintExceptions

{

    JSLock lock(SilenceAssertionsOnly);

    return Console::shouldPrintExceptions();

}

+ (void)setShouldPrintExceptions:(BOOL)print

{

    JSLock lock(SilenceAssertionsOnly);

    Console::setShouldPrintExceptions(print);

}

+ (void)emptyCache

{

    [WebCache empty];

}

+ (void)setCacheDisabled:(BOOL)disabled

{

    [WebCache setDisabled:disabled];

}

+ (void)startIgnoringWebCoreNodeLeaks

{

    WebCore::Node::startIgnoringLeaks();

}

+ (void)stopIgnoringWebCoreNodeLeaks

{

    WebCore::Node::stopIgnoringLeaks();

}

+ (NSDictionary *)memoryStatistics

{

    WTF::FastMallocStatistics fastMallocStatistics = WTF::fastMallocStatistics();

    JSLock lock(SilenceAssertionsOnly);

    Heap::Statistics jsHeapStatistics = JSDOMWindow::commonJSGlobalData()->heap.statistics();

    return [NSDictionary dictionaryWithObjectsAndKeys:

                [NSNumber numberWithInt:fastMallocStatistics.reservedVMBytes], @"FastMallocReservedVMBytes",

                [NSNumber numberWithInt:fastMallocStatistics.committedVMBytes], @"FastMallocCommittedVMBytes",

                [NSNumber numberWithInt:fastMallocStatistics.freeListBytes], @"FastMallocFreeListBytes",

                [NSNumber numberWithInt:jsHeapStatistics.size], @"JavaScriptHeapSize",

                [NSNumber numberWithInt:jsHeapStatistics.free], @"JavaScriptFreeSize",

            nil];

}

+ (void)returnFreeMemoryToSystem

{

    WTF::releaseFastMallocFreeMemory();

}

+ (int)cachedPageCount

{

    return pageCache()->pageCount();

}

+ (int)cachedFrameCount

{

    return pageCache()->frameCount();

}

+ (int)autoreleasedPageCount

{

    return pageCache()->autoreleasedPageCount();

}

// Deprecated

+ (size_t)javaScriptNoGCAllowedObjectsCount

{

    return 0;

}

+ (size_t)javaScriptReferencedObjectsCount

{

    JSLock lock(SilenceAssertionsOnly);

    return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();

}

+ (NSSet *)javaScriptRootObjectClasses

{

    return [self javaScriptRootObjectTypeCounts];

}

+ (size_t)javaScriptInterpretersCount

{

    return [self javaScriptProtectedGlobalObjectsCount];

}

+ (NSCountedSet *)javaScriptRootObjectTypeCounts

{

    return [self javaScriptProtectedObjectTypeCounts];

}

@end

@implementation WebFrame (WebKitDebug)

- (NSString *)renderTreeAsExternalRepresentationForPrinting:(BOOL)forPrinting

{

    return externalRepresentation(_private->coreFrame, forPrinting ? RenderAsTextPrintingMode : RenderAsTextBehaviorNormal);

}

- (NSString *)counterValueForElement:(DOMElement*)element

{

    return counterValueForElement(core(element));

}

- (int)pageNumberForElement:(DOMElement*)element:(float)pageWidthInPixels:(float)pageHeightInPixels

{

    return PrintContext::pageNumberForElement(core(element), FloatSize(pageWidthInPixels, pageHeightInPixels));

}

- (int)numberOfPages:(float)pageWidthInPixels:(float)pageHeightInPixels

{

    return PrintContext::numberOfPages(_private->coreFrame, FloatSize(pageWidthInPixels, pageHeightInPixels));

}

- (NSString *)pageProperty:(const char *)propertyName:(int)pageNumber

{

    return PrintContext::pageProperty(_private->coreFrame, propertyName, pageNumber);

}

- (bool)isPageBoxVisible:(int)pageNumber

{

    return PrintContext::isPageBoxVisible(_private->coreFrame, pageNumber);

}

- (NSString *)pageSizeAndMarginsInPixels:(int)pageNumber:(int)width:(int)height:(int)marginTop:(int)marginRight:(int)marginBottom:(int)marginLeft

{

    return PrintContext::pageSizeAndMarginsInPixels(_private->coreFrame, pageNumber, width, height, marginTop, marginRight, marginBottom, marginLeft);

}

- (void)printToCGContext:(CGContextRef)cgContext:(float)pageWidthInPixels:(float)pageHeightInPixels

{

    Frame* coreFrame = _private->coreFrame;

    if (!coreFrame)

        return;

    GraphicsContext graphicsContext(cgContext);

    PrintContext::spoolAllPagesWithBoundaries(coreFrame, graphicsContext, FloatSize(pageWidthInPixels, pageHeightInPixels));

}

@end