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) 2007, 2009 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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* 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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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* 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 |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#import "config.h" |
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#import "DragImage.h" |
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#if ENABLE(DRAG_SUPPORT) |
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#import "CachedImage.h" |
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#import "Image.h" |
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#import "KURL.h" |
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#import "ResourceResponse.h" |
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namespace WebCore { |
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IntSize dragImageSize(RetainPtr<NSImage> image) |
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{ |
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return (IntSize)[image.get() size]; |
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} |
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|
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void deleteDragImage(RetainPtr<NSImage>) |
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{ |
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// Since this is a RetainPtr, there's nothing additional we need to do to |
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// delete it. It will be released when it falls out of scope. |
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} |
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RetainPtr<NSImage> scaleDragImage(RetainPtr<NSImage> image, FloatSize scale) |
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{ |
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NSSize originalSize = [image.get() size]; |
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NSSize newSize = NSMakeSize((originalSize.width * scale.width()), (originalSize.height * scale.height())); |
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newSize.width = roundf(newSize.width); |
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newSize.height = roundf(newSize.height); |
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[image.get() setScalesWhenResized:YES]; |
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[image.get() setSize:newSize]; |
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return image; |
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} |
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RetainPtr<NSImage> dissolveDragImageToFraction(RetainPtr<NSImage> image, float delta) |
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{ |
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RetainPtr<NSImage> dissolvedImage(AdoptNS, [[NSImage alloc] initWithSize:[image.get() size]]); |
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NSPoint point = [image.get() isFlipped] ? NSMakePoint(0, [image.get() size].height) : NSZeroPoint; |
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// In this case the dragging image is always correct. |
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[dissolvedImage.get() setFlipped:[image.get() isFlipped]]; |
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[dissolvedImage.get() lockFocus]; |
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[image.get() dissolveToPoint:point fraction: delta]; |
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[dissolvedImage.get() unlockFocus]; |
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[image.get() lockFocus]; |
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[dissolvedImage.get() compositeToPoint:point operation:NSCompositeCopy]; |
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[image.get() unlockFocus]; |
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return image; |
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} |
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RetainPtr<NSImage> createDragImageFromImage(Image* image) |
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{ |
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RetainPtr<NSImage> dragImage(AdoptNS, [image->getNSImage() copy]); |
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[dragImage.get() setSize:(NSSize)(image->size())]; |
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return dragImage; |
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} |
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RetainPtr<NSImage> createDragImageIconForCachedImage(CachedImage* image) |
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{ |
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const String& filename = image->response().suggestedFilename(); |
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NSString *extension = nil; |
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int dotIndex = filename.reverseFind('.'); |
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if (dotIndex > 0 && dotIndex < (int)(filename.length() - 1)) // require that a . exists after the first character and before the last |
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extension = filename.substring(dotIndex + 1); |
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else { |
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// It might be worth doing a further lookup to pull the extension from the MIME type. |
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extension = @""; |
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} |
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return [[NSWorkspace sharedWorkspace] iconForFileType:extension]; |
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} |
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} // namespace WebCore |
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#endif // ENABLE(DRAG_SUPPORT) |