зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.8 KiB
C++
118 строки
3.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef PreloadHashKey_h__
|
|
#define PreloadHashKey_h__
|
|
|
|
#include "mozilla/CORSMode.h"
|
|
#include "mozilla/css/SheetParsingMode.h"
|
|
#include "mozilla/dom/ReferrerPolicyBinding.h"
|
|
#include "mozilla/dom/ScriptKind.h"
|
|
#include "nsURIHashKey.h"
|
|
|
|
class nsIPrincipal;
|
|
class nsIReferrerInfo;
|
|
|
|
namespace mozilla {
|
|
|
|
namespace css {
|
|
class SheetLoadData;
|
|
}
|
|
|
|
/**
|
|
* This key is used for coalescing and lookup of preloading or regular
|
|
* speculative loads. It consists of:
|
|
* - the resource type, which is the value of the 'as' attribute
|
|
* - the URI of the resource
|
|
* - set of attributes that is common to all resource types
|
|
* - resource-type-specific attributes that we use to distinguish loads that has
|
|
* to be treated separately, some of these attributes may remain at their
|
|
* default values
|
|
*/
|
|
class PreloadHashKey : public nsURIHashKey {
|
|
public:
|
|
enum class ResourceType : uint8_t { NONE, SCRIPT, STYLE, IMAGE, FONT, FETCH };
|
|
|
|
typedef PreloadHashKey* KeyType;
|
|
typedef const PreloadHashKey* KeyTypePointer;
|
|
|
|
PreloadHashKey() = default;
|
|
PreloadHashKey(const nsIURI* aKey, ResourceType aAs);
|
|
explicit PreloadHashKey(const PreloadHashKey* aKey);
|
|
PreloadHashKey(PreloadHashKey&& aToMove);
|
|
|
|
PreloadHashKey& operator=(const PreloadHashKey& aOther);
|
|
|
|
// Construct key for "script"
|
|
static PreloadHashKey CreateAsScript(
|
|
nsIURI* aURI, const CORSMode& aCORSMode,
|
|
const dom::ScriptKind& aScriptKind,
|
|
const dom::ReferrerPolicy& aReferrerPolicy);
|
|
static PreloadHashKey CreateAsScript(
|
|
nsIURI* aURI, const nsAString& aCrossOrigin, const nsAString& aType,
|
|
const dom::ReferrerPolicy& aReferrerPolicy);
|
|
|
|
// Construct key for "style"
|
|
static PreloadHashKey CreateAsStyle(nsIURI* aURI, nsIPrincipal* aPrincipal,
|
|
nsIReferrerInfo* aReferrerInfo,
|
|
CORSMode aCORSMode,
|
|
css::SheetParsingMode aParsingMode);
|
|
static PreloadHashKey CreateAsStyle(css::SheetLoadData&);
|
|
|
|
// Construct key for "image"
|
|
static PreloadHashKey CreateAsImage(
|
|
nsIURI* aURI, nsIPrincipal* aPrincipal, CORSMode aCORSMode,
|
|
dom::ReferrerPolicy const& aReferrerPolicy);
|
|
|
|
// Construct key for "fetch"
|
|
static PreloadHashKey CreateAsFetch(
|
|
nsIURI* aURI, const CORSMode aCORSMode,
|
|
const dom::ReferrerPolicy& aReferrerPolicy);
|
|
static PreloadHashKey CreateAsFetch(
|
|
nsIURI* aURI, const nsAString& aCrossOrigin,
|
|
const dom::ReferrerPolicy& aReferrerPolicy);
|
|
|
|
// Construct key for "font"
|
|
static PreloadHashKey CreateAsFont(
|
|
nsIURI* aURI, const CORSMode aCORSMode,
|
|
const dom::ReferrerPolicy& aReferrerPolicy);
|
|
|
|
KeyType GetKey() const { return const_cast<PreloadHashKey*>(this); }
|
|
KeyTypePointer GetKeyPointer() const { return this; }
|
|
static KeyTypePointer KeyToPointer(KeyType aKey) { return aKey; }
|
|
|
|
bool KeyEquals(KeyTypePointer aOther) const;
|
|
static PLDHashNumber HashKey(KeyTypePointer aKey);
|
|
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
|
|
// Bug 1627752
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
enum { ALLOW_MEMMOVE = true };
|
|
|
|
private:
|
|
// Attributes common to all resource types
|
|
ResourceType mAs = ResourceType::NONE;
|
|
|
|
CORSMode mCORSMode = CORS_NONE;
|
|
enum dom::ReferrerPolicy mReferrerPolicy = dom::ReferrerPolicy::_empty;
|
|
nsCOMPtr<nsIPrincipal> mPrincipal;
|
|
|
|
struct {
|
|
dom::ScriptKind mScriptKind = dom::ScriptKind::eClassic;
|
|
} mScript;
|
|
|
|
struct {
|
|
nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
|
|
css::SheetParsingMode mParsingMode = css::eAuthorSheetFeatures;
|
|
} mStyle;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|