50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
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// Copyright (c) 2012 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/critical_closure.h"
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#import <UIKit/UIKit.h>
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#include "base/bind.h"
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#include "base/ios/scoped_critical_action.h"
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#include "base/memory/ref_counted.h"
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namespace {
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// This class wraps a closure so it can continue to run for a period of time
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// when the application goes to the background by using
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// |base::ios::ScopedCriticalAction|.
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class CriticalClosure : public base::RefCountedThreadSafe<CriticalClosure> {
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public:
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explicit CriticalClosure(base::Closure* closure) : closure_(closure) {
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}
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void Run() {
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closure_->Run();
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}
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private:
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friend class base::RefCountedThreadSafe<CriticalClosure>;
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virtual ~CriticalClosure() {}
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base::ios::ScopedCriticalAction criticial_action_;
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scoped_ptr<base::Closure> closure_;
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DISALLOW_COPY_AND_ASSIGN(CriticalClosure);
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};
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} // namespace
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namespace base {
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base::Closure MakeCriticalClosure(const base::Closure& closure) {
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DCHECK([[UIDevice currentDevice] isMultitaskingSupported]);
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scoped_refptr<CriticalClosure> critical_closure(
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new CriticalClosure(new base::Closure(closure)));
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return base::Bind(&CriticalClosure::Run, critical_closure.get());
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}
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} // namespace base
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