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| 1 // Copyright 2013 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 #include "base/callback_registry.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/bind_helpers.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 | |
| 12 namespace base { | |
| 13 | |
| 14 class Foo { | |
| 15 public: | |
| 16 Foo() {} | |
| 17 ~Foo() {} | |
| 18 }; | |
| 19 | |
| 20 class FooListener { | |
| 21 public: | |
| 22 FooListener() {} | |
| 23 | |
| 24 void GotAScopedFoo(scoped_ptr<Foo> f) { foo_ = f.Pass(); } | |
| 25 | |
| 26 scoped_ptr<Foo> foo_; | |
| 27 | |
| 28 private: | |
| 29 DISALLOW_COPY_AND_ASSIGN(FooListener); | |
| 30 }; | |
| 31 | |
| 32 | |
| 33 #if defined(NCTEST_MOVE_ONLY_TYPE_PARAMETER) // [r"calling a private constructo
r of class"] | |
| 34 | |
| 35 // Callbacks run with a move-only typed parameter. | |
| 36 // | |
| 37 // CallbackRegistry does not support move-only typed parameters. Notify() is | |
| 38 // designed to take zero or more parameters, and run each registered callback | |
| 39 // with them. With move-only types, the parameter will be set to NULL after the | |
| 40 // first callback has been run. | |
| 41 void WontCompile() { | |
| 42 FooListener f; | |
| 43 CallbackRegistry<void(scoped_ptr<Foo>)> c1; | |
| 44 scoped_ptr<CallbackRegistry<void(scoped_ptr<Foo>)>::Subscription> sub = | |
| 45 c1.Add(Bind(&FooListener::GotAScopedFoo, Unretained(&f))); | |
| 46 c1.Notify(scoped_ptr<Foo>(new Foo())); | |
| 47 } | |
| 48 | |
| 49 #endif | |
| 50 | |
| 51 } // namespace base | |
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