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-rw-r--r--layout/base/nsStyleSheetService.h85
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diff --git a/layout/base/nsStyleSheetService.h b/layout/base/nsStyleSheetService.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+/* implementation of interface for managing user and user-agent style sheets */
+
+#ifndef nsStyleSheetService_h_
+#define nsStyleSheetService_h_
+
+#include "nsCOMArray.h"
+#include "nsCOMPtr.h"
+#include "nsIMemoryReporter.h"
+#include "nsIStyleSheetService.h"
+#include "mozilla/Array.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/StyleSheet.h"
+
+class nsICategoryManager;
+class nsIMemoryReporter;
+class nsISimpleEnumerator;
+
+namespace mozilla {
+class PresShell;
+} // namespace mozilla
+
+#define NS_STYLESHEETSERVICE_CID \
+ { \
+ 0x3b55e72e, 0xab7e, 0x431b, { \
+ 0x89, 0xc0, 0x3b, 0x06, 0xa8, 0xb1, 0x40, 0x16 \
+ } \
+ }
+
+#define NS_STYLESHEETSERVICE_CONTRACTID \
+ "@mozilla.org/content/style-sheet-service;1"
+
+class nsStyleSheetService final : public nsIStyleSheetService,
+ public nsIMemoryReporter {
+ public:
+ typedef nsTArray<RefPtr<mozilla::StyleSheet>> SheetArray;
+
+ nsStyleSheetService();
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISTYLESHEETSERVICE
+ NS_DECL_NSIMEMORYREPORTER
+
+ nsresult Init();
+
+ SheetArray* AgentStyleSheets() { return &mSheets[AGENT_SHEET]; }
+ SheetArray* UserStyleSheets() { return &mSheets[USER_SHEET]; }
+ SheetArray* AuthorStyleSheets() { return &mSheets[AUTHOR_SHEET]; }
+
+ void RegisterPresShell(mozilla::PresShell* aPresShell);
+ void UnregisterPresShell(mozilla::PresShell* aPresShell);
+
+ size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
+
+ static nsStyleSheetService* GetInstance();
+ static nsStyleSheetService* gInstance;
+
+ private:
+ ~nsStyleSheetService();
+
+ void RegisterFromEnumerator(nsICategoryManager* aManager,
+ const char* aCategory,
+ nsISimpleEnumerator* aEnumerator,
+ uint32_t aSheetType);
+
+ int32_t FindSheetByURI(uint32_t aSheetType, nsIURI* aSheetURI);
+
+ // Like LoadAndRegisterSheet, but doesn't notify. If successful, the
+ // new sheet will be the last sheet in mSheets[aSheetType].
+ nsresult LoadAndRegisterSheetInternal(nsIURI* aSheetURI, uint32_t aSheetType);
+
+ mozilla::Array<SheetArray, 3> mSheets;
+
+ // Registered PresShells that will be notified when sheets are added and
+ // removed from the style sheet service.
+ nsTArray<RefPtr<mozilla::PresShell>> mPresShells;
+};
+
+#endif