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/*
* Copyright (C) 2011 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "config.h"
#import "WebDragClient.h"
#import "PasteboardTypes.h"
#import "ShareableBitmap.h"
#import "WebCoreArgumentCoders.h"
#import "WebPage.h"
#import "WebPageProxyMessages.h"
#import <WebCore/CachedImage.h>
#import <WebCore/DOMPrivate.h>
#import <WebCore/DOMElementInternal.h>
#import <WebCore/FrameView.h>
#import <WebCore/GraphicsContext.h>
#import <WebCore/LegacyWebArchive.h>
#import <WebCore/RenderImage.h>
#import <WebCore/StringTruncator.h>
#import <wtf/StdLibExtras.h>
#import <WebKit/WebKitNSStringExtras.h>
#import <WebKit/WebNSURLExtras.h>
using namespace WebCore;
namespace WebKit {
using namespace WebCore;
void WebDragClient::startDrag(DragImageRef dragImage, const IntPoint& at, const IntPoint& eventPos, Clipboard* clipboard, Frame* frame, bool linkDrag)
{
if (!frame)
return;
ASSERT(clipboard);
NSImage *dragNSImage = dragImage.get();
RefPtr<ShareableBitmap> dragShareableImage = ShareableBitmap::createShareable(IntSize([dragNSImage size]));
OwnPtr<GraphicsContext> graphicsContext = dragShareableImage->createGraphicsContext();
[NSGraphicsContext saveGraphicsState];
NSGraphicsContext* bitmapContext = [NSGraphicsContext graphicsContextWithGraphicsPort:graphicsContext->platformContext() flipped:YES];
[NSGraphicsContext setCurrentContext: bitmapContext];
[dragNSImage drawInRect:NSMakeRect(0, 0, [dragNSImage size].width , [dragNSImage size].height) fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1];
[NSGraphicsContext restoreGraphicsState];
SharedMemory::Handle handle;
if (!dragShareableImage->createHandle(handle))
return;
IntPoint clientPoint(at);
m_page->send(Messages::WebPageProxy::SetDragImage(clientPoint, IntSize([dragNSImage size]), handle, linkDrag));
}
static void writeURL(NSPasteboard* pasteboard, NSURL* URL, NSString* title, NSArray* types)
{
ASSERT(URL);
if (![title length]) {
title = [[URL path] lastPathComponent];
if (![title length])
title = [URL _web_userVisibleString];
}
if ([types containsObject:NSURLPboardType])
[URL writeToPasteboard:pasteboard];
if ([types containsObject:PasteboardTypes::WebURLPboardType])
[pasteboard setString:[URL _web_originalDataAsString] forType:PasteboardTypes::WebURLPboardType];
if ([types containsObject:PasteboardTypes::WebURLNamePboardType])
[pasteboard setString:title forType:PasteboardTypes::WebURLNamePboardType];
if ([types containsObject:NSStringPboardType])
[pasteboard setString:[URL _web_userVisibleString] forType:NSStringPboardType];
if ([types containsObject:PasteboardTypes::WebURLsWithTitlesPboardType]) {
NSArray* URLs = [NSArray arrayWithObject:URL];
unsigned count = [URLs count];
if (!count || [pasteboard availableTypeFromArray:[NSArray arrayWithObject:PasteboardTypes::WebURLsWithTitlesPboardType]] == nil)
return;
NSArray* titles = [NSArray arrayWithObject:title];
if (count != [titles count])
titles = nil;
NSMutableArray* URLStrings = [NSMutableArray arrayWithCapacity:count];
NSMutableArray* titlesOrEmptyStrings = [NSMutableArray arrayWithCapacity:count];
for (unsigned index = 0; index < count; ++index) {
[URLStrings addObject:[[URLs objectAtIndex:index] _web_originalDataAsString]];
[titlesOrEmptyStrings addObject:(titles == nil) ? @"" : [[titles objectAtIndex:index] _webkit_stringByTrimmingWhitespace]];
}
[pasteboard setPropertyList:[NSArray arrayWithObjects:URLStrings, titlesOrEmptyStrings, nil]
forType:PasteboardTypes::WebURLsWithTitlesPboardType];
}
}
static void writeImage(NSPasteboard* pasteboard, NSImage *image, DOMElement* element, NSURL* URL, NSString* title, LegacyWebArchive* archive, NSArray* types)
{
ASSERT(image || element);
ASSERT(URL);
writeURL(pasteboard, URL, title, types);
if ([types containsObject:NSTIFFPboardType]) {
// FIXME: we should add handling of promised types.
if (image)
[pasteboard setData:[image TIFFRepresentation] forType:NSTIFFPboardType];
else if (element)
[pasteboard setData:[element _imageTIFFRepresentation] forType:NSTIFFPboardType];
}
if (archive && [types containsObject:PasteboardTypes::WebArchivePboardType])
[pasteboard setData:[[(NSData *)archive->rawDataRepresentation().get() retain] autorelease] forType:PasteboardTypes::WebArchivePboardType];
}
void WebDragClient::declareAndWriteDragImage(NSPasteboard* pasteboard, DOMElement* element, NSURL* URL, NSString* title, WebCore::Frame*)
{
ASSERT(element);
ASSERT(pasteboard && pasteboard == [NSPasteboard pasteboardWithName:NSDragPboard]);
NSString *extension = @"";
if (RenderObject* renderer = core(element)->renderer()) {
if (renderer->isImage()) {
if (CachedImage* image = toRenderImage(renderer)->cachedImage()) {
extension = image->image()->filenameExtension();
if (![extension length])
return;
}
}
}
RefPtr<LegacyWebArchive> archive = LegacyWebArchive::create(core(element));
NSMutableArray *types = [[NSMutableArray alloc] initWithObjects:NSFilesPromisePboardType, nil];
[types addObjectsFromArray:(archive) ? PasteboardTypes::forImagesWithArchive() : PasteboardTypes::forImages()];
[pasteboard declareTypes:types owner:nil];
writeImage(pasteboard, nil, element, URL, title, archive.get(), types);
[types release];
NSArray *extensions = [[NSArray alloc] initWithObjects:extension, nil];
[pasteboard setPropertyList:extensions forType:NSFilesPromisePboardType];
[extensions release];
}
} // namespace WebKit
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