diff options
Diffstat (limited to 'chrome/nsChromeRegistry.h')
-rw-r--r-- | chrome/nsChromeRegistry.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/chrome/nsChromeRegistry.h b/chrome/nsChromeRegistry.h new file mode 100644 index 0000000000..e7cf735aa9 --- /dev/null +++ b/chrome/nsChromeRegistry.h @@ -0,0 +1,140 @@ +/* -*- Mode: C++; tab-width: 2; 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 nsChromeRegistry_h +#define nsChromeRegistry_h + +#include "nsIToolkitChromeRegistry.h" +#include "nsIObserver.h" +#include "nsWeakReference.h" + +#include "nsString.h" +#include "nsURIHashKey.h" +#include "nsInterfaceHashtable.h" +#include "nsXULAppAPI.h" + +#include "mozilla/FileLocation.h" +#include "mozilla/intl/LocaleService.h" + +class nsPIDOMWindowOuter; +class nsIPrefBranch; +class nsIURL; + +// The chrome registry is actually split between nsChromeRegistryChrome and +// nsChromeRegistryContent. The work/data that is common to both resides in +// the shared nsChromeRegistry implementation, with operations that only make +// sense for one side erroring out in the other. + +// for component registration +// {47049e42-1d87-482a-984d-56ae185e367a} +#define NS_CHROMEREGISTRY_CID \ + { \ + 0x47049e42, 0x1d87, 0x482a, { \ + 0x98, 0x4d, 0x56, 0xae, 0x18, 0x5e, 0x36, 0x7a \ + } \ + } + +class nsChromeRegistry : public nsIToolkitChromeRegistry, + public nsIObserver, + public nsSupportsWeakReference { + public: + NS_DECL_ISUPPORTS + + // nsIXULChromeRegistry methods: + NS_IMETHOD AllowScriptsForPackage(nsIURI* url, bool* _retval) override; + NS_IMETHOD AllowContentToAccess(nsIURI* url, bool* _retval) override; + NS_IMETHOD CanLoadURLRemotely(nsIURI* url, bool* _retval) override; + NS_IMETHOD MustLoadURLRemotely(nsIURI* url, bool* _retval) override; + + NS_IMETHOD ConvertChromeURL(nsIURI* aChromeURI, nsIURI** aResult) override; + + // nsChromeRegistry methods: + nsChromeRegistry() : mInitialized(false) {} + + virtual nsresult Init(); + + static already_AddRefed<nsIChromeRegistry> GetService(); + + static nsChromeRegistry* gChromeRegistry; + + // This method can change its parameter, so due to thread safety issues + // it should only be called for nsCOMPtr<nsIURI> that is on the stack, + // unless you know what you are doing. + static nsresult Canonify(nsCOMPtr<nsIURI>& aChromeURL); + + protected: + virtual ~nsChromeRegistry(); + + void FlushSkinCaches(); + void FlushAllCaches(); + + static void LogMessage(const char* aMsg, ...) MOZ_FORMAT_PRINTF(1, 2); + static void LogMessageWithContext(nsIURI* aURL, uint32_t aLineNumber, + uint32_t flags, const char* aMsg, ...) + MOZ_FORMAT_PRINTF(4, 5); + + virtual nsIURI* GetBaseURIFromPackage(const nsCString& aPackage, + const nsCString& aProvider, + const nsCString& aPath) = 0; + virtual nsresult GetFlagsFromPackage(const nsCString& aPackage, + uint32_t* aFlags) = 0; + + static nsresult RefreshWindow(nsPIDOMWindowOuter* aWindow); + static nsresult GetProviderAndPath(nsIURI* aChromeURL, nsACString& aProvider, + nsACString& aPath); + + public: + static already_AddRefed<nsChromeRegistry> GetSingleton(); + + struct ManifestProcessingContext { + ManifestProcessingContext(NSLocationType aType, + mozilla::FileLocation& aFile) + : mType(aType), mFile(aFile) {} + + ~ManifestProcessingContext() {} + + nsIURI* GetManifestURI(); + already_AddRefed<nsIURI> ResolveURI(const char* uri); + + NSLocationType mType; + mozilla::FileLocation mFile; + nsCOMPtr<nsIURI> mManifestURI; + }; + + virtual void ManifestContent(ManifestProcessingContext& cx, int lineno, + char* const* argv, int flags) = 0; + virtual void ManifestLocale(ManifestProcessingContext& cx, int lineno, + char* const* argv, int flags) = 0; + virtual void ManifestSkin(ManifestProcessingContext& cx, int lineno, + char* const* argv, int flags) = 0; + virtual void ManifestOverride(ManifestProcessingContext& cx, int lineno, + char* const* argv, int flags) = 0; + virtual void ManifestResource(ManifestProcessingContext& cx, int lineno, + char* const* argv, int flags) = 0; + + // Available flags + enum { + // This package should use the new XPCNativeWrappers to separate + // content from chrome. This flag is currently unused (because we call + // into xpconnect at registration time). + XPCNATIVEWRAPPERS = 1 << 1, + + // Content script may access files in this package + CONTENT_ACCESSIBLE = 1 << 2, + + // Package may be loaded remotely + REMOTE_ALLOWED = 1 << 3, + + // Package must be loaded remotely + REMOTE_REQUIRED = 1 << 4, + }; + + bool mInitialized; + + // "Override" table (chrome URI string -> real URI) + nsInterfaceHashtable<nsURIHashKey, nsIURI> mOverrideTable; +}; + +#endif // nsChromeRegistry_h |