166 lines
5.4 KiB
C++
166 lines
5.4 KiB
C++
/*
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* Copyright 2016 The Chromium Authors. All rights reserved.
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* Copyright (C) 2016 Akamai Technologies Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CachedCSSStyleSheet.h"
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#include "CachedFont.h"
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#include "CachedFontClient.h"
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#include "CachedImage.h"
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#include "CachedImageClient.h"
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#include "CachedRawResource.h"
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#include "CachedRawResourceClient.h"
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#include "CachedResourceHandle.h"
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#include "CachedScript.h"
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#include "CachedStyleSheetClient.h"
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#include "CachedTextTrack.h"
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class LinkLoader;
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class LinkPreloadResourceClient {
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public:
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virtual ~LinkPreloadResourceClient() = default;
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void triggerEvents(const CachedResource&);
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virtual void clear() = 0;
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protected:
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LinkPreloadResourceClient(LinkLoader&, CachedResource&);
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void addResource(CachedResourceClient& client)
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{
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m_resource->addClient(client);
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}
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void clearResource(CachedResourceClient& client)
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{
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if (!m_resource)
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return;
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m_resource->removeClient(client);
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m_resource = nullptr;
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}
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CachedResource* ownedResource() { return m_resource.get(); }
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private:
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WeakPtr<LinkLoader> m_loader;
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CachedResourceHandle<CachedResource> m_resource;
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};
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class LinkPreloadDefaultResourceClient : public LinkPreloadResourceClient, CachedResourceClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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LinkPreloadDefaultResourceClient(LinkLoader& loader, CachedResource& resource)
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: LinkPreloadResourceClient(loader, resource)
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{
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addResource(*this);
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}
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private:
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void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
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void clear() final { clearResource(*this); }
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bool shouldMarkAsReferenced() const final { return false; }
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};
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class LinkPreloadStyleResourceClient : public LinkPreloadResourceClient, public CachedStyleSheetClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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LinkPreloadStyleResourceClient(LinkLoader& loader, CachedCSSStyleSheet& resource)
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: LinkPreloadResourceClient(loader, resource)
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{
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addResource(*this);
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}
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private:
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void setCSSStyleSheet(const String&, const URL&, const String&, const CachedCSSStyleSheet* resource) final
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{
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ASSERT(resource);
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ASSERT(ownedResource() == resource);
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triggerEvents(*resource);
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}
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void clear() final { clearResource(*this); }
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bool shouldMarkAsReferenced() const final { return false; }
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};
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class LinkPreloadImageResourceClient : public LinkPreloadResourceClient, public CachedImageClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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LinkPreloadImageResourceClient(LinkLoader& loader, CachedImage& resource)
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: LinkPreloadResourceClient(loader, static_cast<CachedResource&>(resource))
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{
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addResource(*this);
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}
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private:
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void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
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void clear() final { clearResource(*this); }
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bool shouldMarkAsReferenced() const final { return false; }
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};
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class LinkPreloadFontResourceClient : public LinkPreloadResourceClient, public CachedFontClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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LinkPreloadFontResourceClient(LinkLoader& loader, CachedFont& resource)
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: LinkPreloadResourceClient(loader, resource)
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{
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addResource(*this);
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}
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private:
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void fontLoaded(CachedFont& resource) final
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{
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ASSERT(ownedResource() == &resource);
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triggerEvents(resource);
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}
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void clear() final { clearResource(*this); }
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bool shouldMarkAsReferenced() const final { return false; }
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};
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class LinkPreloadRawResourceClient : public LinkPreloadResourceClient, public CachedRawResourceClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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LinkPreloadRawResourceClient(LinkLoader& loader, CachedRawResource& resource)
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: LinkPreloadResourceClient(loader, resource)
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{
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addResource(*this);
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}
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private:
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void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
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void clear() final { clearResource(*this); }
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bool shouldMarkAsReferenced() const final { return false; }
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};
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}
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