The Tor Browser: layout/style/nsLayoutStylesheetCache.h@141e0f1194b1

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef nsLayoutStylesheetCache_h__

     8 #define nsLayoutStylesheetCache_h__

    10 #include "nsIMemoryReporter.h"

    11 #include "nsIObserver.h"

    12 #include "nsAutoPtr.h"

    13 #include "mozilla/Attributes.h"

    14 #include "mozilla/MemoryReporting.h"

    16 class nsCSSStyleSheet;

    17 class nsIFile;

    18 class nsIURI;

    20 namespace mozilla {

    21 namespace css {

    22 class Loader;

    23 }

    24 }

    26 class nsLayoutStylesheetCache MOZ_FINAL

    27  : public nsIObserver

    28  , public nsIMemoryReporter

    29 {

    30   NS_DECL_ISUPPORTS

    31   NS_DECL_NSIOBSERVER

    32   NS_DECL_NSIMEMORYREPORTER

    34   static nsCSSStyleSheet* ScrollbarsSheet();

    35   static nsCSSStyleSheet* FormsSheet();

    36   // This function is expected to return nullptr when the dom.forms.number

    37   // pref is disabled.

    38   static nsCSSStyleSheet* NumberControlSheet();

    39   static nsCSSStyleSheet* UserContentSheet();

    40   static nsCSSStyleSheet* UserChromeSheet();

    41   static nsCSSStyleSheet* UASheet();

    42   static nsCSSStyleSheet* QuirkSheet();

    43   static nsCSSStyleSheet* FullScreenOverrideSheet();

    45   static void Shutdown();

    47   size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;

    49 private:

    50   nsLayoutStylesheetCache();

    51   ~nsLayoutStylesheetCache();

    53   static void EnsureGlobal();

    54   void InitFromProfile();

    55   void InitMemoryReporter();

    56   static void LoadSheetFile(nsIFile* aFile, nsRefPtr<nsCSSStyleSheet> &aSheet);

    57   static void LoadSheet(nsIURI* aURI, nsRefPtr<nsCSSStyleSheet> &aSheet,

    58                         bool aEnableUnsafeRules);

    60   static nsLayoutStylesheetCache* gStyleCache;

    61   static mozilla::css::Loader* gCSSLoader;

    62   nsRefPtr<nsCSSStyleSheet> mScrollbarsSheet;

    63   nsRefPtr<nsCSSStyleSheet> mFormsSheet;

    64   nsRefPtr<nsCSSStyleSheet> mNumberControlSheet;

    65   nsRefPtr<nsCSSStyleSheet> mUserContentSheet;

    66   nsRefPtr<nsCSSStyleSheet> mUserChromeSheet;

    67   nsRefPtr<nsCSSStyleSheet> mUASheet;

    68   nsRefPtr<nsCSSStyleSheet> mQuirkSheet;

    69   nsRefPtr<nsCSSStyleSheet> mFullScreenOverrideSheet;

    70 };

    72 #endif

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