blob: bdd4eebeb38cf6bf5d826086fe8069829b9da60b [file] [log] [blame]
/*
* Copyright 2016 The Chromium Authors. All rights reserved.
* Copyright (C) 2016 Akamai Technologies Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "CachedCSSStyleSheet.h"
#include "CachedFont.h"
#include "CachedFontClient.h"
#include "CachedImage.h"
#include "CachedImageClient.h"
#include "CachedRawResource.h"
#include "CachedRawResourceClient.h"
#include "CachedResourceHandle.h"
#include "CachedScript.h"
#include "CachedStyleSheetClient.h"
#include "CachedTextTrack.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class LinkLoader;
class LinkPreloadResourceClient {
public:
virtual ~LinkPreloadResourceClient() = default;
void triggerEvents(const CachedResource&);
virtual void clear() = 0;
protected:
LinkPreloadResourceClient(LinkLoader&, CachedResource&);
void addResource(CachedResourceClient& client)
{
m_resource->addClient(client);
}
void clearResource(CachedResourceClient& client)
{
if (!m_resource)
return;
m_resource->removeClient(client);
m_resource = nullptr;
}
CachedResource* ownedResource() { return m_resource.get(); }
private:
WeakPtr<LinkLoader> m_loader;
CachedResourceHandle<CachedResource> m_resource;
};
class LinkPreloadDefaultResourceClient : public LinkPreloadResourceClient, CachedResourceClient {
WTF_MAKE_FAST_ALLOCATED;
public:
LinkPreloadDefaultResourceClient(LinkLoader& loader, CachedResource& resource)
: LinkPreloadResourceClient(loader, resource)
{
addResource(*this);
}
private:
void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
class LinkPreloadStyleResourceClient : public LinkPreloadResourceClient, public CachedStyleSheetClient {
WTF_MAKE_FAST_ALLOCATED;
public:
LinkPreloadStyleResourceClient(LinkLoader& loader, CachedCSSStyleSheet& resource)
: LinkPreloadResourceClient(loader, resource)
{
addResource(*this);
}
private:
void setCSSStyleSheet(const String&, const URL&, const String&, const CachedCSSStyleSheet* resource) final
{
ASSERT(resource);
ASSERT(ownedResource() == resource);
triggerEvents(*resource);
}
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
class LinkPreloadImageResourceClient : public LinkPreloadResourceClient, public CachedImageClient {
WTF_MAKE_FAST_ALLOCATED;
public:
LinkPreloadImageResourceClient(LinkLoader& loader, CachedImage& resource)
: LinkPreloadResourceClient(loader, static_cast<CachedResource&>(resource))
{
addResource(*this);
}
private:
void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
class LinkPreloadFontResourceClient : public LinkPreloadResourceClient, public CachedFontClient {
WTF_MAKE_FAST_ALLOCATED;
public:
LinkPreloadFontResourceClient(LinkLoader& loader, CachedFont& resource)
: LinkPreloadResourceClient(loader, resource)
{
addResource(*this);
}
private:
void fontLoaded(CachedFont& resource) final
{
ASSERT(ownedResource() == &resource);
triggerEvents(resource);
}
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
class LinkPreloadRawResourceClient : public LinkPreloadResourceClient, public CachedRawResourceClient {
WTF_MAKE_FAST_ALLOCATED;
public:
LinkPreloadRawResourceClient(LinkLoader& loader, CachedRawResource& resource)
: LinkPreloadResourceClient(loader, resource)
{
addResource(*this);
}
private:
void notifyFinished(CachedResource& resource, const NetworkLoadMetrics&) final { triggerEvents(resource); }
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
}