| /* |
| * Copyright (C) 2005, 2006 Apple Computer, 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 <WebKit/WebDataSource.h> |
| #import <WebKit/WebFrame.h> |
| #import <WebKit/WebFrameView.h> |
| #import <WebKit/WebNSObjectExtras.h> |
| #import <WebKit/WebPDFRepresentation.h> |
| #import <WebKit/WebPDFView.h> |
| #import <wtf/Assertions.h> |
| |
| #import <PDFKit/PDFDocument.h> |
| |
| @implementation WebPDFRepresentation |
| |
| + (NSArray *)postScriptMIMETypes |
| { |
| return [NSArray arrayWithObjects: |
| @"application/postscript", |
| nil]; |
| } |
| |
| + (NSArray *)supportedMIMETypes |
| { |
| return [[[self class] postScriptMIMETypes] arrayByAddingObjectsFromArray: |
| [NSArray arrayWithObjects: |
| @"text/pdf", |
| @"application/pdf", |
| nil]]; |
| } |
| |
| + (Class)PDFDocumentClass |
| { |
| static Class PDFDocumentClass = nil; |
| if (PDFDocumentClass == nil) { |
| PDFDocumentClass = [[WebPDFView PDFKitBundle] classNamed:@"PDFDocument"]; |
| if (PDFDocumentClass == nil) { |
| LOG_ERROR("Couldn't find PDFDocument class in PDFKit.framework"); |
| } |
| } |
| return PDFDocumentClass; |
| } |
| |
| - (void)setDataSource:(WebDataSource *)dataSource; |
| { |
| } |
| |
| - (void)receivedData:(NSData *)data withDataSource:(WebDataSource *)dataSource; |
| { |
| } |
| |
| - (void)receivedError:(NSError *)error withDataSource:(WebDataSource *)dataSource; |
| { |
| } |
| |
| - (NSData *)convertPostScriptDataSourceToPDF:(NSData *)data |
| { |
| // Convert PostScript to PDF using Quartz 2D API |
| // http://developer.apple.com/documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_ps_convert/chapter_16_section_1.html |
| |
| CGPSConverterCallbacks callbacks = { 0, 0, 0, 0, 0, 0, 0, 0 }; |
| CGPSConverterRef converter = CGPSConverterCreate(0, &callbacks, 0); |
| ASSERT(converter); |
| |
| CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)data); |
| ASSERT(provider); |
| |
| CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0); |
| ASSERT(result); |
| |
| CGDataConsumerRef consumer = CGDataConsumerCreateWithCFData(result); |
| ASSERT(consumer); |
| |
| // Error handled by detecting zero-length 'result' in caller |
| CGPSConverterConvert(converter, provider, consumer, 0); |
| |
| CFRelease(converter); |
| CFRelease(provider); |
| CFRelease(consumer); |
| |
| return WebCFAutorelease(result); |
| } |
| |
| - (void)finishedLoadingWithDataSource:(WebDataSource *)dataSource |
| { |
| NSData *data = [dataSource data]; |
| |
| NSArray *postScriptMIMETypes = [[self class] postScriptMIMETypes]; |
| NSString *mimeType = [[dataSource response] MIMEType]; |
| if ([postScriptMIMETypes containsObject:mimeType]) { |
| data = [self convertPostScriptDataSourceToPDF:data]; |
| if ([data length] == 0) |
| return; |
| } |
| |
| WebPDFView *view = (WebPDFView *)[[[dataSource webFrame] frameView] documentView]; |
| PDFDocument *doc = [[[[self class] PDFDocumentClass] alloc] initWithData:data]; |
| [view setPDFDocument:doc]; |
| [doc release]; |
| } |
| |
| |
| - (BOOL)canProvideDocumentSource |
| { |
| return NO; |
| } |
| |
| |
| - (NSString *)documentSource |
| { |
| return nil; |
| } |
| |
| |
| - (NSString *)title |
| { |
| return nil; |
| } |
| |
| @end |