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1 // Copyright (c) 2012 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.
4 
5 #ifndef BASE_MAC_BUNDLE_LOCATIONS_H_
6 #define BASE_MAC_BUNDLE_LOCATIONS_H_
7 
8 #include "base/base_export.h"
9 #include "base/files/file_path.h"
10 
11 #if defined(__OBJC__)
12 #import <Foundation/Foundation.h>
13 #else  // __OBJC__
14 class NSBundle;
15 class NSString;
16 #endif  // __OBJC__
17 
18 namespace base {
19 
20 class FilePath;
21 
22 namespace mac {
23 
24 // This file provides several functions to explicitly request the various
25 // component bundles of Chrome.  Please use these methods rather than calling
26 // +[NSBundle mainBundle] or CFBundleGetMainBundle().
27 //
28 // Terminology
29 //  - "Outer Bundle" - This is the main bundle for Chrome; it's what
30 //  +[NSBundle mainBundle] returns when Chrome is launched normally.
31 //
32 //  - "Main Bundle" - This is the bundle from which Chrome was launched.
33 //  This will be the same as the outer bundle except when Chrome is launched
34 //  via an app shortcut, in which case this will return the app shortcut's
35 //  bundle rather than the main Chrome bundle.
36 //
37 //  - "Framework Bundle" - This is the bundle corresponding to the Chrome
38 //  framework.
39 //
40 // Guidelines for use:
41 //  - To access a resource, the Framework bundle should be used.
42 //  - If the choice is between the Outer or Main bundles then please choose
43 //  carefully.  Most often the Outer bundle will be the right choice, but for
44 //  cases such as adding an app to the "launch on startup" list, the Main
45 //  bundle is probably the one to use.
46 
47 // Methods for retrieving the various bundles.
48 BASE_EXPORT NSBundle* MainBundle();
49 BASE_EXPORT FilePath MainBundlePath();
50 BASE_EXPORT NSBundle* OuterBundle();
51 BASE_EXPORT FilePath OuterBundlePath();
52 BASE_EXPORT NSBundle* FrameworkBundle();
53 BASE_EXPORT FilePath FrameworkBundlePath();
54 
55 // Set the bundle that the preceding functions will return, overriding the
56 // default values. Restore the default by passing in |nil|.
57 BASE_EXPORT void SetOverrideOuterBundle(NSBundle* bundle);
58 BASE_EXPORT void SetOverrideFrameworkBundle(NSBundle* bundle);
59 
60 // Same as above but accepting a FilePath argument.
61 BASE_EXPORT void SetOverrideOuterBundlePath(const FilePath& file_path);
62 BASE_EXPORT void SetOverrideFrameworkBundlePath(const FilePath& file_path);
63 
64 }  // namespace mac
65 }  // namespace base
66 
67 #endif  // BASE_MAC_BUNDLE_LOCATIONS_H_
68