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      1 /*
      2  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #import "config.h"
     22 #import "Icon.h"
     23 
     24 #import "GraphicsContext.h"
     25 #import "LocalCurrentGraphicsContext.h"
     26 #import "PlatformString.h"
     27 #import <wtf/PassRefPtr.h>
     28 
     29 namespace WebCore {
     30 
     31 Icon::Icon(NSImage *image)
     32     : m_nsImage(image)
     33 {
     34     // Need this because WebCore uses AppKit's flipped coordinate system exclusively.
     35     [image setFlipped:YES];
     36 }
     37 
     38 Icon::~Icon()
     39 {
     40 }
     41 
     42 // FIXME: Move the code to ChromeClient::iconForFiles().
     43 PassRefPtr<Icon> Icon::createIconForFiles(const Vector<String>& filenames)
     44 {
     45     if (filenames.isEmpty())
     46         return 0;
     47 
     48     bool useIconFromFirstFile;
     49 #ifdef BUILDING_ON_TIGER
     50     // FIXME: find a better image for multiple files to use on Tiger.
     51     useIconFromFirstFile = true;
     52 #else
     53     useIconFromFirstFile = filenames.size() == 1;
     54 #endif
     55     if (useIconFromFirstFile) {
     56         // Don't pass relative filenames -- we don't want a result that depends on the current directory.
     57         // Need 0U here to disambiguate String::operator[] from operator(NSString*, int)[]
     58         if (filenames[0].isEmpty() || filenames[0][0U] != '/')
     59             return 0;
     60 
     61         NSImage* image = [[NSWorkspace sharedWorkspace] iconForFile:filenames[0]];
     62         if (!image)
     63             return 0;
     64 
     65         return adoptRef(new Icon(image));
     66     }
     67 #ifdef BUILDING_ON_TIGER
     68     return 0;
     69 #else
     70     NSImage* image = [NSImage imageNamed:NSImageNameMultipleDocuments];
     71     if (!image)
     72         return 0;
     73 
     74     return adoptRef(new Icon(image));
     75 #endif
     76 }
     77 
     78 void Icon::paint(GraphicsContext* context, const IntRect& rect)
     79 {
     80     if (context->paintingDisabled())
     81         return;
     82 
     83     LocalCurrentGraphicsContext localCurrentGC(context);
     84 
     85     [m_nsImage.get() drawInRect:rect
     86         fromRect:NSMakeRect(0, 0, [m_nsImage.get() size].width, [m_nsImage.get() size].height)
     87         operation:NSCompositeSourceOver fraction:1.0f];
     88 }
     89 
     90 }
     91