ipc/chromium/src/base/scoped_nsautorelease_pool.h@6474c204b198 (annotated)
ipc/chromium/src/base/scoped_nsautorelease_pool.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef BASE_SCOPED_NSAUTORELEASE_POOL_H_ |
| michael@0 | 6 | #define BASE_SCOPED_NSAUTORELEASE_POOL_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "base/basictypes.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #if defined(OS_MACOSX) |
| michael@0 | 11 | #if defined(__OBJC__) |
| michael@0 | 12 | @class NSAutoreleasePool; |
| michael@0 | 13 | #else // __OBJC__ |
| michael@0 | 14 | class NSAutoreleasePool; |
| michael@0 | 15 | #endif // __OBJC__ |
| michael@0 | 16 | #endif // OS_MACOSX |
| michael@0 | 17 | |
| michael@0 | 18 | namespace base { |
| michael@0 | 19 | |
| michael@0 | 20 | // On the Mac, ScopedNSAutoreleasePool allocates an NSAutoreleasePool when |
| michael@0 | 21 | // instantiated and sends it a -drain message when destroyed. This allows an |
| michael@0 | 22 | // autorelease pool to be maintained in ordinary C++ code without bringing in |
| michael@0 | 23 | // any direct Objective-C dependency. |
| michael@0 | 24 | // |
| michael@0 | 25 | // On other platforms, ScopedNSAutoreleasePool is an empty object with no |
| michael@0 | 26 | // effects. This allows it to be used directly in cross-platform code without |
| michael@0 | 27 | // ugly #ifdefs. |
| michael@0 | 28 | class ScopedNSAutoreleasePool { |
| michael@0 | 29 | public: |
| michael@0 | 30 | #if !defined(OS_MACOSX) |
| michael@0 | 31 | ScopedNSAutoreleasePool() {} |
| michael@0 | 32 | void Recycle() { } |
| michael@0 | 33 | #else // OS_MACOSX |
| michael@0 | 34 | ScopedNSAutoreleasePool(); |
| michael@0 | 35 | ~ScopedNSAutoreleasePool(); |
| michael@0 | 36 | |
| michael@0 | 37 | // Clear out the pool in case its position on the stack causes it to be |
| michael@0 | 38 | // alive for long periods of time (such as the entire length of the app). |
| michael@0 | 39 | // Only use then when you're certain the items currently in the pool are |
| michael@0 | 40 | // no longer needed. |
| michael@0 | 41 | void Recycle(); |
| michael@0 | 42 | private: |
| michael@0 | 43 | NSAutoreleasePool* autorelease_pool_; |
| michael@0 | 44 | #endif // OS_MACOSX |
| michael@0 | 45 | |
| michael@0 | 46 | private: |
| michael@0 | 47 | DISALLOW_COPY_AND_ASSIGN(ScopedNSAutoreleasePool); |
| michael@0 | 48 | }; |
| michael@0 | 49 | |
| michael@0 | 50 | } // namespace base |
| michael@0 | 51 | |
| michael@0 | 52 | #endif // BASE_SCOPED_NSAUTORELEASE_POOL_H_ |
