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52 lines
1.2 KiB
Plaintext
52 lines
1.2 KiB
Plaintext
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/callback_list.h"
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#include "base/basictypes.h"
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#include "base/bind.h"
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#include "base/bind_helpers.h"
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#include "base/memory/scoped_ptr.h"
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namespace base {
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class Foo {
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public:
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Foo() {}
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~Foo() {}
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};
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class FooListener {
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public:
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FooListener() {}
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void GotAScopedFoo(scoped_ptr<Foo> f) { foo_ = f.Pass(); }
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scoped_ptr<Foo> foo_;
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private:
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DISALLOW_COPY_AND_ASSIGN(FooListener);
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};
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#if defined(NCTEST_MOVE_ONLY_TYPE_PARAMETER) // [r"calling a private constructor of class"]
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// Callbacks run with a move-only typed parameter.
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//
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// CallbackList does not support move-only typed parameters. Notify() is
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// designed to take zero or more parameters, and run each registered callback
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// with them. With move-only types, the parameter will be set to NULL after the
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// first callback has been run.
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void WontCompile() {
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FooListener f;
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CallbackList<void(scoped_ptr<Foo>)> c1;
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scoped_ptr<CallbackList<void(scoped_ptr<Foo>)>::Subscription> sub =
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c1.Add(Bind(&FooListener::GotAScopedFoo, Unretained(&f)));
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c1.Notify(scoped_ptr<Foo>(new Foo()));
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}
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#endif
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} // namespace base
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