1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/nsimage_cache_mac.h"
7 #import <AppKit/AppKit.h>
9 #include "base/logging.h"
10 #include "base/mac_util.h"
12 // When C++ exceptions are disabled, the C++ library defines |try| and
13 // |catch| so as to allow exception-expecting C++ code to build properly when
14 // language support for exceptions is not present. These macros interfere
15 // with the use of |@try| and |@catch| in Objective-C files such as this one.
16 // Undefine these macros here, after everything has been #included, since
17 // there will be no C++ uses and only Objective-C uses from this point on.
21 namespace nsimage_cache {
23 static NSMutableDictionary* image_cache = nil;
25 NSImage* ImageNamed(NSString* name) {
28 // NOTE: to make this thread safe, we'd have to sync on the cache and
29 // also force all the bundle calls on the main thread.
32 image_cache = [[NSMutableDictionary alloc] init];
36 NSImage* result = [image_cache objectForKey:name];
38 DLOG_IF(INFO, [[name pathExtension] length] == 0)
39 << "Suggest including the extension in the image name";
41 NSString* path = [mac_util::MainAppBundle() pathForImageResource:name];
44 result = [[[NSImage alloc] initWithContentsOfFile:path] autorelease];
46 // Auto-template images with names ending in "Template".
47 NSString* extensionlessName = [name stringByDeletingPathExtension];
48 if ([extensionlessName hasSuffix:@"Template"])
49 [result setTemplate:YES];
51 [image_cache setObject:result forKey:name];
55 DLOG(ERROR) << "Failed to load the image for name '"
56 << [name UTF8String] << "' from path '" << [path UTF8String]
57 << "', error: " << [[err description] UTF8String];
63 // TODO: if we ever limit the cache size, this should retain & autorelease
69 // NOTE: to make this thread safe, we'd have to sync on the cache.
70 [image_cache removeAllObjects];
73 } // namespace nsimage_cache