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106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/dom/cache/CacheStorageChild.h"
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#include "mozilla/unused.h"
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#include "mozilla/dom/cache/CacheChild.h"
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#include "mozilla/dom/cache/CacheStorage.h"
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#include "mozilla/dom/cache/PCacheOpChild.h"
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#include "mozilla/dom/cache/StreamUtils.h"
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namespace mozilla {
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namespace dom {
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namespace cache {
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// declared in ActorUtils.h
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void
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DeallocPCacheStorageChild(PCacheStorageChild* aActor)
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{
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delete aActor;
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}
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CacheStorageChild::CacheStorageChild(CacheStorage* aListener, Feature* aFeature)
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: mListener(aListener)
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{
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MOZ_COUNT_CTOR(cache::CacheStorageChild);
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MOZ_ASSERT(mListener);
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SetFeature(aFeature);
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}
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CacheStorageChild::~CacheStorageChild()
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{
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MOZ_COUNT_DTOR(cache::CacheStorageChild);
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NS_ASSERT_OWNINGTHREAD(CacheStorageChild);
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MOZ_ASSERT(!mListener);
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}
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void
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CacheStorageChild::ClearListener()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStorageChild);
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MOZ_ASSERT(mListener);
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mListener = nullptr;
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}
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void
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CacheStorageChild::StartDestroy()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStorageChild);
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nsRefPtr<CacheStorage> listener = mListener;
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// StartDestroy() can get called from either CacheStorage or the Feature.
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// Theoretically we can get double called if the right race happens. Handle
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// that by just ignoring the second StartDestroy() call.
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if (!listener) {
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return;
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}
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// TODO: don't destroy if we have outstanding ops
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listener->DestroyInternal(this);
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// CacheStorage listener should call ClearListener() in DestroyInternal()
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MOZ_ASSERT(!mListener);
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// Start actor destruction from parent process
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unused << SendTeardown();
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}
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void
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CacheStorageChild::ActorDestroy(ActorDestroyReason aReason)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStorageChild);
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nsRefPtr<CacheStorage> listener = mListener;
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if (listener) {
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listener->DestroyInternal(this);
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// CacheStorage listener should call ClearListener() in DestroyInternal()
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MOZ_ASSERT(!mListener);
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}
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RemoveFeature();
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}
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PCacheOpChild*
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CacheStorageChild::AllocPCacheOpChild(const CacheOpArgs& aOpArgs)
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{
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MOZ_CRASH("CacheOpChild should be manually constructed.");
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return nullptr;
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}
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bool
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CacheStorageChild::DeallocPCacheOpChild(PCacheOpChild* aActor)
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{
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delete aActor;
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return true;
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}
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} // namespace cache
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} // namespace dom
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} // namespace mozilla
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