LinkPreloadResourceClients.h [plain text]
#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) 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) 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) final { triggerEvents(resource); }
void clear() final { clearResource(*this); }
bool shouldMarkAsReferenced() const final { return false; }
};
}