LCOV - code coverage report
Current view: directory - widget/xpwidgets - GfxInfoBase.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       1                 : /* vim: se cin sw=2 ts=2 et : */
       2                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       3                 :  *
       4                 :  * ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is mozilla.org code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  * Mozilla Foundation.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      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 __mozilla_widget_GfxInfoBase_h__
      41                 : #define __mozilla_widget_GfxInfoBase_h__
      42                 : 
      43                 : #include "nsIGfxInfo.h"
      44                 : #include "nsCOMPtr.h"
      45                 : #include "nsIObserver.h"
      46                 : #include "nsWeakReference.h"
      47                 : #include "GfxDriverInfo.h"
      48                 : #include "nsTArray.h"
      49                 : #include "nsString.h"
      50                 : #include "GfxInfoCollector.h"
      51                 : #include "nsIGfxInfoDebug.h"
      52                 : 
      53                 : namespace mozilla {
      54                 : namespace widget {  
      55                 : 
      56                 : class GfxInfoBase : public nsIGfxInfo,
      57                 :                     public nsIObserver,
      58                 :                     public nsSupportsWeakReference
      59                 : #ifdef DEBUG
      60                 :                   , public nsIGfxInfoDebug
      61                 : #endif
      62                 : {
      63                 : public:
      64                 :   GfxInfoBase();
      65                 :   virtual ~GfxInfoBase();
      66                 : 
      67                 :   NS_DECL_ISUPPORTS
      68                 :   NS_DECL_NSIOBSERVER
      69                 : 
      70                 :   // We only declare a subset of the nsIGfxInfo interface. It's up to derived
      71                 :   // classes to implement the rest of the interface.  
      72                 :   // Derived classes need to use
      73                 :   // using GfxInfoBase::GetFeatureStatus;
      74                 :   // using GfxInfoBase::GetFeatureSuggestedDriverVersion;
      75                 :   // using GfxInfoBase::GetWebGLParameter;
      76                 :   // to import the relevant methods into their namespace.
      77                 :   NS_SCRIPTABLE NS_IMETHOD GetFeatureStatus(PRInt32 aFeature, PRInt32 *_retval NS_OUTPARAM);
      78                 :   NS_SCRIPTABLE NS_IMETHOD GetFeatureSuggestedDriverVersion(PRInt32 aFeature, nsAString & _retval NS_OUTPARAM);
      79                 :   NS_SCRIPTABLE NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval NS_OUTPARAM);
      80                 : 
      81                 :   NS_SCRIPTABLE NS_IMETHOD GetFailures(PRUint32 *failureCount NS_OUTPARAM, char ***failures NS_OUTPARAM);
      82                 :   NS_IMETHOD_(void) LogFailure(const nsACString &failure);
      83                 :   NS_SCRIPTABLE NS_IMETHOD GetInfo(JSContext*, jsval*);
      84                 : 
      85                 :   // Initialization function. If you override this, you must call this class's
      86                 :   // version of Init first.
      87                 :   // We need Init to be called separately from the constructor so we can
      88                 :   // register as an observer after all derived classes have been constructed
      89                 :   // and we know we have a non-zero refcount.
      90                 :   // Ideally, Init() would be void-return, but the rules of
      91                 :   // NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return.
      92                 :   virtual nsresult Init();
      93                 :   
      94                 :   // only useful on X11
      95               0 :   NS_IMETHOD_(void) GetData() { }
      96                 : 
      97                 :   static void AddCollector(GfxInfoCollectorBase* collector);
      98                 :   static void RemoveCollector(GfxInfoCollectorBase* collector);
      99                 : 
     100                 :   static nsTArray<GfxDriverInfo>* mDriverInfo;
     101                 :   static bool mDriverInfoObserverInitialized;
     102                 : 
     103                 : protected:
     104                 : 
     105                 :   virtual nsresult GetFeatureStatusImpl(PRInt32 aFeature, PRInt32* aStatus,
     106                 :                                         nsAString& aSuggestedDriverVersion,
     107                 :                                         const nsTArray<GfxDriverInfo>& aDriverInfo,
     108                 :                                         OperatingSystem* aOS = nsnull);
     109                 : 
     110                 :   // Gets the driver info table. Used by GfxInfoBase to check for general cases
     111                 :   // (while subclasses check for more specific ones).
     112                 :   virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0;
     113                 : 
     114                 : private:
     115                 :   virtual PRInt32 FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
     116                 :                                               nsAString& aSuggestedVersion,
     117                 :                                               PRInt32 aFeature,
     118                 :                                               OperatingSystem os);
     119                 : 
     120                 :   void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo);
     121                 : 
     122                 :   nsCString mFailures[9]; // The choice of 9 is Ehsan's
     123                 :   PRUint32 mFailureCount;
     124                 : 
     125                 : };
     126                 : 
     127                 : }
     128                 : }
     129                 : 
     130                 : #endif /* __mozilla_widget_GfxInfoBase_h__ */

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