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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsLayoutStylesheetCache_h__
#define nsLayoutStylesheetCache_h__
#include "nsIMemoryReporter.h"
#include "nsIObserver.h"
#include "mozilla/Attributes.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/StyleBackendType.h"
#include "mozilla/css/Loader.h"
class nsIFile;
class nsIURI;
namespace mozilla {
class CSSStyleSheet;
} // namespace mozilla
namespace mozilla {
namespace css {
// Enum defining how error should be handled.
enum FailureAction {
eCrash = 0,
eLogToConsole
};
}
}
class nsLayoutStylesheetCache final
: public nsIObserver
, public nsIMemoryReporter
{
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIMEMORYREPORTER
/**
* Returns the nsLayoutStylesheetCache for the given style backend type.
* Callers should pass in a value for aType that matches the style system
* backend type for the style set in use. (A process may call For
* and obtain nsLayoutStylesheetCache objects for both backend types,
* and a particular UA style sheet might be cached in both, one or neither
* nsLayoutStylesheetCache.)
*/
static nsLayoutStylesheetCache* For(mozilla::StyleBackendType aType);
mozilla::StyleSheet* ScrollbarsSheet();
mozilla::StyleSheet* FormsSheet();
// This function is expected to return nullptr when the dom.forms.number
// pref is disabled.
mozilla::StyleSheet* NumberControlSheet();
mozilla::StyleSheet* UserContentSheet();
mozilla::StyleSheet* UserChromeSheet();
mozilla::StyleSheet* UASheet();
mozilla::StyleSheet* HTMLSheet();
mozilla::StyleSheet* MinimalXULSheet();
mozilla::StyleSheet* XULSheet();
mozilla::StyleSheet* QuirkSheet();
mozilla::StyleSheet* SVGSheet();
mozilla::StyleSheet* MathMLSheet();
mozilla::StyleSheet* CounterStylesSheet();
mozilla::StyleSheet* NoScriptSheet();
mozilla::StyleSheet* NoFramesSheet();
mozilla::StyleSheet* ChromePreferenceSheet(nsPresContext* aPresContext);
mozilla::StyleSheet* ContentPreferenceSheet(nsPresContext* aPresContext);
mozilla::StyleSheet* ContentEditableSheet();
mozilla::StyleSheet* DesignModeSheet();
static void InvalidatePreferenceSheets();
static void Shutdown();
static void SetUserContentCSSURL(nsIURI* aURI);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
explicit nsLayoutStylesheetCache(mozilla::StyleBackendType aImpl);
~nsLayoutStylesheetCache();
void InitFromProfile();
void InitMemoryReporter();
void LoadSheetURL(const char* aURL,
RefPtr<mozilla::StyleSheet>* aSheet,
mozilla::css::SheetParsingMode aParsingMode,
mozilla::css::FailureAction aFailureAction);
void LoadSheetFile(nsIFile* aFile,
RefPtr<mozilla::StyleSheet>* aSheet,
mozilla::css::SheetParsingMode aParsingMode,
mozilla::css::FailureAction aFailureAction);
void LoadSheet(nsIURI* aURI, RefPtr<mozilla::StyleSheet>* aSheet,
mozilla::css::SheetParsingMode aParsingMode,
mozilla::css::FailureAction aFailureAction);
static void InvalidateSheet(RefPtr<mozilla::StyleSheet>* aGeckoSheet,
RefPtr<mozilla::StyleSheet>* aServoSheet);
static void DependentPrefChanged(const char* aPref, void* aData);
void BuildPreferenceSheet(RefPtr<mozilla::StyleSheet>* aSheet,
nsPresContext* aPresContext);
static mozilla::StaticRefPtr<nsLayoutStylesheetCache> gStyleCache_Gecko;
static mozilla::StaticRefPtr<nsLayoutStylesheetCache> gStyleCache_Servo;
static mozilla::StaticRefPtr<mozilla::css::Loader> gCSSLoader_Gecko;
static mozilla::StaticRefPtr<mozilla::css::Loader> gCSSLoader_Servo;
static mozilla::StaticRefPtr<nsIURI> gUserContentSheetURL;
mozilla::StyleBackendType mBackendType;
RefPtr<mozilla::StyleSheet> mChromePreferenceSheet;
RefPtr<mozilla::StyleSheet> mContentEditableSheet;
RefPtr<mozilla::StyleSheet> mContentPreferenceSheet;
RefPtr<mozilla::StyleSheet> mCounterStylesSheet;
RefPtr<mozilla::StyleSheet> mDesignModeSheet;
RefPtr<mozilla::StyleSheet> mFormsSheet;
RefPtr<mozilla::StyleSheet> mHTMLSheet;
RefPtr<mozilla::StyleSheet> mMathMLSheet;
RefPtr<mozilla::StyleSheet> mMinimalXULSheet;
RefPtr<mozilla::StyleSheet> mNoFramesSheet;
RefPtr<mozilla::StyleSheet> mNoScriptSheet;
RefPtr<mozilla::StyleSheet> mNumberControlSheet;
RefPtr<mozilla::StyleSheet> mQuirkSheet;
RefPtr<mozilla::StyleSheet> mSVGSheet;
RefPtr<mozilla::StyleSheet> mScrollbarsSheet;
RefPtr<mozilla::StyleSheet> mUASheet;
RefPtr<mozilla::StyleSheet> mUserChromeSheet;
RefPtr<mozilla::StyleSheet> mUserContentSheet;
RefPtr<mozilla::StyleSheet> mXULSheet;
};
#endif
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