author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 09:02:29 +0300 | |
changeset 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2005, 2007, 2008 Apple Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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* its contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#import "WebNSAttributedStringExtras.h" |
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|
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#import "DOMRangeInternal.h" |
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#import "WebDataSourcePrivate.h" |
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#import "WebFrame.h" |
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#import "WebFrameInternal.h" |
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#import "WebTypesInternal.h" |
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#import <WebCore/BlockExceptions.h> |
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#import <WebCore/ColorMac.h> |
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#import <WebCore/CSSHelper.h> |
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#import <WebCore/Document.h> |
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#import <WebCore/Element.h> |
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#import <WebCore/Frame.h> |
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#import <WebCore/FrameLoader.h> |
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#import <WebCore/HTMLNames.h> |
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#import <WebCore/Image.h> |
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#import <WebCore/InlineTextBox.h> |
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#import <WebCore/Range.h> |
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#import <WebCore/RenderImage.h> |
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#import <WebCore/RenderListItem.h> |
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#import <WebCore/RenderObject.h> |
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#import <WebCore/RenderStyle.h> |
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#import <WebCore/RenderText.h> |
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#import <WebCore/SimpleFontData.h> |
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#import <WebCore/Text.h> |
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#import <WebCore/TextIterator.h> |
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using namespace WebCore; |
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using namespace HTMLNames; |
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struct ListItemInfo { |
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unsigned start; |
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unsigned end; |
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}; |
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static NSFileWrapper *fileWrapperForElement(Element* e) |
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{ |
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NSFileWrapper *wrapper = nil; |
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BEGIN_BLOCK_OBJC_EXCEPTIONS; |
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const AtomicString& attr = e->getAttribute(srcAttr); |
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if (!attr.isEmpty()) { |
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NSURL *URL = e->document()->completeURL(attr); |
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wrapper = [[kit(e->document()->frame()) _dataSource] _fileWrapperForURL:URL]; |
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} |
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if (!wrapper) { |
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RenderImage* renderer = toRenderImage(e->renderer()); |
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if (renderer->cachedImage() && !renderer->cachedImage()->errorOccurred()) { |
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wrapper = [[NSFileWrapper alloc] initRegularFileWithContents:(NSData *)(renderer->cachedImage()->image()->getTIFFRepresentation())]; |
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[wrapper setPreferredFilename:@"image.tiff"]; |
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[wrapper autorelease]; |
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} |
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} |
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return wrapper; |
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END_BLOCK_OBJC_EXCEPTIONS; |
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return nil; |
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} |
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@implementation NSAttributedString (WebKitExtras) |
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- (NSAttributedString *)_web_attributedStringByStrippingAttachmentCharacters |
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{ |
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// This code was originally copied from NSTextView |
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NSRange attachmentRange; |
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NSString *originalString = [self string]; |
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static NSString *attachmentCharString = nil; |
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if (!attachmentCharString) { |
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unichar chars[2]; |
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if (!attachmentCharString) { |
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chars[0] = NSAttachmentCharacter; |
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chars[1] = 0; |
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attachmentCharString = [[NSString alloc] initWithCharacters:chars length:1]; |
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} |
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} |
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107 |
|
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attachmentRange = [originalString rangeOfString:attachmentCharString]; |
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if (attachmentRange.location != NSNotFound && attachmentRange.length > 0) { |
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NSMutableAttributedString *newAttributedString = [[self mutableCopyWithZone:NULL] autorelease]; |
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111 |
|
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while (attachmentRange.location != NSNotFound && attachmentRange.length > 0) { |
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[newAttributedString replaceCharactersInRange:attachmentRange withString:@""]; |
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attachmentRange = [[newAttributedString string] rangeOfString:attachmentCharString]; |
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} |
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return newAttributedString; |
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} |
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118 |
|
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return self; |
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} |
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121 |
|
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+ (NSAttributedString *)_web_attributedStringFromRange:(Range*)range |
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{ |
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NSMutableAttributedString *string = [[NSMutableAttributedString alloc] init]; |
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NSUInteger stringLength = 0; |
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RetainPtr<NSMutableDictionary> attrs(AdoptNS, [[NSMutableDictionary alloc] init]); |
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127 |
|
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for (TextIterator it(range); !it.atEnd(); it.advance()) { |
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RefPtr<Range> currentTextRange = it.range(); |
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ExceptionCode ec = 0; |
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Node* startContainer = currentTextRange->startContainer(ec); |
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Node* endContainer = currentTextRange->endContainer(ec); |
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int startOffset = currentTextRange->startOffset(ec); |
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int endOffset = currentTextRange->endOffset(ec); |
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|
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if (startContainer == endContainer && (startOffset == endOffset - 1)) { |
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Node* node = startContainer->childNode(startOffset); |
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if (node && node->hasTagName(imgTag)) { |
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NSFileWrapper *fileWrapper = fileWrapperForElement(static_cast<Element*>(node)); |
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NSTextAttachment *attachment = [[NSTextAttachment alloc] initWithFileWrapper:fileWrapper]; |
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[string appendAttributedString:[NSAttributedString attributedStringWithAttachment:attachment]]; |
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[attachment release]; |
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} |
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} |
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|
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int currentTextLength = it.length(); |
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if (!currentTextLength) |
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continue; |
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|
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RenderObject* renderer = startContainer->renderer(); |
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ASSERT(renderer); |
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if (!renderer) |
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continue; |
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RenderStyle* style = renderer->style(); |
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NSFont *font = style->font().primaryFont()->getNSFont(); |
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[attrs.get() setObject:font forKey:NSFontAttributeName]; |
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if (style->visitedDependentColor(CSSPropertyColor).alpha()) |
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[attrs.get() setObject:nsColor(style->visitedDependentColor(CSSPropertyColor)) forKey:NSForegroundColorAttributeName]; |
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else |
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[attrs.get() removeObjectForKey:NSForegroundColorAttributeName]; |
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if (style->visitedDependentColor(CSSPropertyBackgroundColor).alpha()) |
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[attrs.get() setObject:nsColor(style->visitedDependentColor(CSSPropertyBackgroundColor)) forKey:NSBackgroundColorAttributeName]; |
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else |
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[attrs.get() removeObjectForKey:NSBackgroundColorAttributeName]; |
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165 |
|
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RetainPtr<NSString> substring(AdoptNS, [[NSString alloc] initWithCharactersNoCopy:const_cast<UChar*>(it.characters()) length:currentTextLength freeWhenDone:NO]); |
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[string replaceCharactersInRange:NSMakeRange(stringLength, 0) withString:substring.get()]; |
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[string setAttributes:attrs.get() range:NSMakeRange(stringLength, currentTextLength)]; |
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stringLength += currentTextLength; |
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} |
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171 |
|
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return [string autorelease]; |
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} |
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|
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@end |