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6cdd2ef7ab
These turned up when grepping around for nsAutoPtr; it seemed easier to remove them as a first step.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ShutdownTracker.h"
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#include "mozilla/Services.h"
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#include "nsIObserver.h"
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#include "nsIObserverService.h"
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namespace mozilla {
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namespace image {
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class ShutdownTrackerImpl;
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///////////////////////////////////////////////////////////////////////////////
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// Static Data
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///////////////////////////////////////////////////////////////////////////////
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// Whether we've observed shutdown starting yet.
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static bool sShutdownHasStarted = false;
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///////////////////////////////////////////////////////////////////////////////
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// Implementation
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///////////////////////////////////////////////////////////////////////////////
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struct ShutdownObserver : public nsIObserver
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{
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NS_DECL_ISUPPORTS
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NS_IMETHOD Observe(nsISupports*, const char* aTopic, const char16_t*) override
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{
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if (strcmp(aTopic, "xpcom-shutdown") != 0) {
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return NS_OK;
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}
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nsCOMPtr<nsIObserverService> os = services::GetObserverService();
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if (os) {
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os->RemoveObserver(this, "xpcom-shutdown");
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}
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sShutdownHasStarted = true;
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return NS_OK;
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}
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private:
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virtual ~ShutdownObserver() { }
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};
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NS_IMPL_ISUPPORTS(ShutdownObserver, nsIObserver)
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///////////////////////////////////////////////////////////////////////////////
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// Public API
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///////////////////////////////////////////////////////////////////////////////
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/* static */ void
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ShutdownTracker::Initialize()
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{
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nsCOMPtr<nsIObserverService> os = services::GetObserverService();
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if (os) {
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os->AddObserver(new ShutdownObserver, "xpcom-shutdown", false);
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}
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}
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/* static */ bool
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ShutdownTracker::ShutdownHasStarted()
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{
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return sShutdownHasStarted;
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}
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} // namespace image
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} // namespace mozilla
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