LCOV - code coverage report
Current view: directory - chrome/src - nsChromeRegistry.h (source / functions) Found Hit Coverage
Test: app.info Lines: 6 6 100.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Original Author: David W. Hyatt (hyatt@netscape.com)
      24                 :  *   Benjamin Smedberg <benjamin@smedbergs.us>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #ifndef nsChromeRegistry_h
      41                 : #define nsChromeRegistry_h
      42                 : 
      43                 : #include "nsIChromeRegistry.h"
      44                 : #include "nsIToolkitChromeRegistry.h"
      45                 : #include "nsIObserver.h"
      46                 : #include "nsWeakReference.h"
      47                 : #include "nsIPrefBranch.h"
      48                 : 
      49                 : #ifdef MOZ_XUL
      50                 : #include "nsIXULOverlayProvider.h"
      51                 : #endif
      52                 : 
      53                 : #include "pldhash.h"
      54                 : 
      55                 : #include "nsCOMArray.h"
      56                 : #include "nsString.h"
      57                 : #include "nsTHashtable.h"
      58                 : #include "nsURIHashKey.h"
      59                 : #include "nsInterfaceHashtable.h"
      60                 : #include "nsXULAppAPI.h"
      61                 : #include "nsIResProtocolHandler.h"
      62                 : #include "nsIXPConnect.h"
      63                 : 
      64                 : #include "mozilla/Omnijar.h"
      65                 : #include "mozilla/FileLocation.h"
      66                 : 
      67                 : class nsIDOMWindow;
      68                 : class nsIURL;
      69                 : 
      70                 : // The chrome registry is actually split between nsChromeRegistryChrome and
      71                 : // nsChromeRegistryContent. The work/data that is common to both resides in
      72                 : // the shared nsChromeRegistry implementation, with operations that only make
      73                 : // sense for one side erroring out in the other.
      74                 : 
      75                 : // for component registration
      76                 : // {47049e42-1d87-482a-984d-56ae185e367a}
      77                 : #define NS_CHROMEREGISTRY_CID \
      78                 : { 0x47049e42, 0x1d87, 0x482a, { 0x98, 0x4d, 0x56, 0xae, 0x18, 0x5e, 0x36, 0x7a } }
      79                 : 
      80                 : class nsChromeRegistry : public nsIToolkitChromeRegistry,
      81                 : #ifdef MOZ_XUL
      82                 :                          public nsIXULOverlayProvider,
      83                 : #endif
      84                 :                          public nsIObserver,
      85                 :                          public nsSupportsWeakReference
      86                 : {
      87                 : public:
      88                 :   NS_DECL_ISUPPORTS
      89                 : 
      90                 :   // nsIXULChromeRegistry methods:
      91                 :   NS_IMETHOD ReloadChrome();
      92                 :   NS_IMETHOD RefreshSkins();
      93                 :   NS_IMETHOD AllowScriptsForPackage(nsIURI* url,
      94                 :                                     bool* _retval NS_OUTPARAM);
      95                 :   NS_IMETHOD AllowContentToAccess(nsIURI* url,
      96                 :                                   bool* _retval NS_OUTPARAM);
      97                 : 
      98                 :   // nsIChromeRegistry methods:
      99                 :   NS_IMETHOD_(bool) WrappersEnabled(nsIURI *aURI);
     100                 :   NS_IMETHOD ConvertChromeURL(nsIURI* aChromeURI, nsIURI* *aResult);
     101                 : 
     102                 :   // nsChromeRegistry methods:
     103            1419 :   nsChromeRegistry() : mInitialized(false) { }
     104                 :   virtual ~nsChromeRegistry();
     105                 : 
     106                 :   virtual nsresult Init();
     107                 : 
     108                 :   static already_AddRefed<nsIChromeRegistry> GetService();
     109                 : 
     110                 :   static nsChromeRegistry* gChromeRegistry;
     111                 : 
     112                 :   static nsresult Canonify(nsIURL* aChromeURL);
     113                 : 
     114                 : protected:
     115                 :   void FlushSkinCaches();
     116                 :   void FlushAllCaches();
     117                 : 
     118                 :   // Update the selected locale used by the chrome registry, and fire a
     119                 :   // notification about this change
     120                 :   virtual nsresult UpdateSelectedLocale() = 0;
     121                 : 
     122                 :   static void LogMessage(const char* aMsg, ...);
     123                 :   static void LogMessageWithContext(nsIURI* aURL, PRUint32 aLineNumber, PRUint32 flags,
     124                 :                                     const char* aMsg, ...);
     125                 : 
     126                 :   virtual nsIURI* GetBaseURIFromPackage(const nsCString& aPackage,
     127                 :                                         const nsCString& aProvider,
     128                 :                                         const nsCString& aPath) = 0;
     129                 :   virtual nsresult GetFlagsFromPackage(const nsCString& aPackage,
     130                 :                                        PRUint32* aFlags) = 0;
     131                 : 
     132                 :   nsresult SelectLocaleFromPref(nsIPrefBranch* prefs);
     133                 : 
     134                 :   static nsresult RefreshWindow(nsIDOMWindow* aWindow);
     135                 :   static nsresult GetProviderAndPath(nsIURL* aChromeURL,
     136                 :                                      nsACString& aProvider, nsACString& aPath);
     137                 : 
     138                 : public:
     139                 :   static already_AddRefed<nsChromeRegistry> GetSingleton();
     140                 : 
     141                 :   struct ManifestProcessingContext
     142                 :   {
     143           99082 :     ManifestProcessingContext(NSLocationType aType, mozilla::FileLocation &aFile)
     144                 :       : mType(aType)
     145           99082 :       , mFile(aFile)
     146           99082 :     { }
     147                 : 
     148           99082 :     ~ManifestProcessingContext()
     149           99082 :     { }
     150                 : 
     151                 :     nsIURI* GetManifestURI();
     152                 :     nsIXPConnect* GetXPConnect();
     153                 : 
     154                 :     already_AddRefed<nsIURI> ResolveURI(const char* uri);
     155                 : 
     156                 :     NSLocationType mType;
     157                 :     mozilla::FileLocation mFile;
     158                 :     nsCOMPtr<nsIURI> mManifestURI;
     159                 :     nsCOMPtr<nsIXPConnect> mXPConnect;
     160                 :   };
     161                 : 
     162                 :   virtual void ManifestContent(ManifestProcessingContext& cx, int lineno,
     163                 :                                char *const * argv, bool platform,
     164                 :                                bool contentaccessible) = 0;
     165                 :   virtual void ManifestLocale(ManifestProcessingContext& cx, int lineno,
     166                 :                               char *const * argv, bool platform,
     167                 :                               bool contentaccessible) = 0;
     168                 :   virtual void ManifestSkin(ManifestProcessingContext& cx, int lineno,
     169                 :                             char *const * argv, bool platform,
     170                 :                             bool contentaccessible) = 0;
     171                 :   virtual void ManifestOverlay(ManifestProcessingContext& cx, int lineno,
     172                 :                                char *const * argv, bool platform,
     173                 :                                bool contentaccessible) = 0;
     174                 :   virtual void ManifestStyle(ManifestProcessingContext& cx, int lineno,
     175                 :                              char *const * argv, bool platform,
     176                 :                              bool contentaccessible) = 0;
     177                 :   virtual void ManifestOverride(ManifestProcessingContext& cx, int lineno,
     178                 :                                 char *const * argv, bool platform,
     179                 :                                 bool contentaccessible) = 0;
     180                 :   virtual void ManifestResource(ManifestProcessingContext& cx, int lineno,
     181                 :                                 char *const * argv, bool platform,
     182                 :                                 bool contentaccessible) = 0;
     183                 : 
     184                 :   // Available flags
     185                 :   enum {
     186                 :     // This is a "platform" package (e.g. chrome://global-platform/).
     187                 :     // Appends one of win/ unix/ mac/ to the base URI.
     188                 :     PLATFORM_PACKAGE = 1 << 0,
     189                 : 
     190                 :     // This package should use the new XPCNativeWrappers to separate
     191                 :     // content from chrome. This flag is currently unused (because we call
     192                 :     // into xpconnect at registration time).
     193                 :     XPCNATIVEWRAPPERS = 1 << 1,
     194                 : 
     195                 :     // Content script may access files in this package
     196                 :     CONTENT_ACCESSIBLE = 1 << 2
     197                 :   };
     198                 : 
     199                 :   bool mInitialized;
     200                 : 
     201                 :   // "Override" table (chrome URI string -> real URI)
     202                 :   nsInterfaceHashtable<nsURIHashKey, nsIURI> mOverrideTable;
     203                 : };
     204                 : 
     205                 : #endif // nsChromeRegistry_h

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