LCOV - code coverage report
Current view: directory - dom/base - nsMimeTypeArray.h (source / functions) Found Hit Coverage
Test: app.info Lines: 11 0 0.0 %
Date: 2012-06-02 Functions: 5 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set ts=2 sw=2 et tw=79: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corporation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #ifndef nsMimeTypeArray_h___
      40                 : #define nsMimeTypeArray_h___
      41                 : 
      42                 : #include "nsIDOMMimeTypeArray.h"
      43                 : #include "nsIDOMMimeType.h"
      44                 : #include "nsString.h"
      45                 : #include "nsCOMPtr.h"
      46                 : #include "nsCOMArray.h"
      47                 : 
      48                 : class nsIDOMNavigator;
      49                 : 
      50                 : // NB: Due to weak references, nsNavigator has intimate knowledge of our
      51                 : // members.
      52                 : class nsMimeTypeArray : public nsIDOMMimeTypeArray
      53                 : {
      54                 : public:
      55                 :   nsMimeTypeArray(nsIDOMNavigator* navigator);
      56                 :   virtual ~nsMimeTypeArray();
      57                 : 
      58                 :   NS_DECL_ISUPPORTS
      59                 :   NS_DECL_NSIDOMMIMETYPEARRAY
      60                 : 
      61                 :   void Refresh();
      62                 : 
      63                 :   nsIDOMMimeType* GetItemAt(PRUint32 aIndex, nsresult* aResult);
      64                 :   nsIDOMMimeType* GetNamedItem(const nsAString& aName, nsresult* aResult);
      65                 : 
      66               0 :   static nsMimeTypeArray* FromSupports(nsISupports* aSupports)
      67                 :   {
      68                 : #ifdef DEBUG
      69                 :     {
      70               0 :       nsCOMPtr<nsIDOMMimeTypeArray> array_qi = do_QueryInterface(aSupports);
      71                 : 
      72                 :       // If this assertion fires the QI implementation for the object in
      73                 :       // question doesn't use the nsIDOMMimeTypeArray pointer as the nsISupports
      74                 :       // pointer. That must be fixed, or we'll crash...
      75               0 :       NS_ASSERTION(array_qi == static_cast<nsIDOMMimeTypeArray*>(aSupports),
      76                 :                    "Uh, fix QI!");
      77                 :     }
      78                 : #endif
      79                 : 
      80               0 :     return static_cast<nsMimeTypeArray*>(aSupports);
      81                 :   }
      82                 : 
      83                 :   void Invalidate()
      84                 :   {
      85                 :     // NB: This will cause GetMimeTypes to fail from now on.
      86                 :     mNavigator = nsnull;
      87                 :     Clear();
      88                 :   }
      89                 : 
      90                 : private:
      91                 :   nsresult GetMimeTypes();
      92                 :   void     Clear();
      93                 : 
      94                 : protected:
      95                 :   nsIDOMNavigator* mNavigator;
      96                 :   // Number of mimetypes handled by plugins.
      97                 :   PRUint32 mPluginMimeTypeCount;
      98                 :   // mMimeTypeArray contains all mimetypes handled by plugins
      99                 :   // (mPluginMimeTypeCount) and any mimetypes that we handle internally and
     100                 :   // have been looked up before. The number of items in mMimeTypeArray should
     101                 :   // thus always be equal to or higher than mPluginMimeTypeCount.
     102                 :   nsCOMArray<nsIDOMMimeType> mMimeTypeArray;
     103                 :   bool mInited;
     104                 : };
     105                 : 
     106                 : class nsMimeType : public nsIDOMMimeType
     107                 : {
     108                 : public:
     109                 :   nsMimeType(nsIDOMPlugin* aPlugin, nsIDOMMimeType* aMimeType);
     110                 :   virtual ~nsMimeType();
     111                 : 
     112                 :   NS_DECL_ISUPPORTS
     113                 :   NS_DECL_NSIDOMMIMETYPE
     114                 : 
     115               0 :   void DetachPlugin() { mPlugin = nsnull; }
     116                 : 
     117                 : protected:
     118                 :   nsIDOMPlugin* mPlugin;
     119                 :   nsCOMPtr<nsIDOMMimeType> mMimeType;
     120                 : };
     121                 : 
     122                 : class nsHelperMimeType : public nsIDOMMimeType
     123                 : {
     124                 : public:
     125               0 :   nsHelperMimeType(const nsAString& aType)
     126               0 :     : mType(aType)
     127                 :   {
     128               0 :   }
     129                 : 
     130               0 :   virtual ~nsHelperMimeType()
     131               0 :   {
     132               0 :   }
     133                 : 
     134                 :   NS_DECL_ISUPPORTS
     135                 :   NS_DECL_NSIDOMMIMETYPE 
     136                 :   
     137                 : private:
     138                 :   nsString mType;
     139                 : };
     140                 : 
     141                 : #endif /* nsMimeTypeArray_h___ */

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