LCOV - code coverage report
Current view: directory - layout/style - nsDOMCSSDeclaration.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 0 0.0 %
Date: 2012-06-02 Functions: 3 0 0.0 %

       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 Communicator client 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                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : /* base class for DOM objects for element.style and cssStyleRule.style */
      39                 : 
      40                 : #ifndef nsDOMCSSDeclaration_h___
      41                 : #define nsDOMCSSDeclaration_h___
      42                 : 
      43                 : #include "nsICSSDeclaration.h"
      44                 : #include "nsIDOMCSS2Properties.h"
      45                 : #include "nsCOMPtr.h"
      46                 : 
      47                 : class nsCSSParser;
      48                 : class nsIURI;
      49                 : class nsIPrincipal;
      50                 : class nsIDocument;
      51                 : 
      52                 : namespace mozilla {
      53                 : namespace css {
      54                 : class Declaration;
      55                 : class Loader;
      56                 : class Rule;
      57                 : }
      58                 : }
      59                 : 
      60                 : class nsDOMCSSDeclaration : public nsICSSDeclaration,
      61                 :                             public nsIDOMCSS2Properties
      62               0 : {
      63                 : public:
      64                 :   // Only implement QueryInterface; subclasses have the responsibility
      65                 :   // of implementing AddRef/Release.
      66                 :   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
      67                 : 
      68                 :   NS_DECL_NSICSSDECLARATION
      69                 : 
      70                 :   // Require subclasses to implement |GetParentRule|.
      71                 :   //NS_DECL_NSIDOMCSSSTYLEDECLARATION
      72                 :   NS_IMETHOD GetCssText(nsAString & aCssText);
      73                 :   NS_IMETHOD SetCssText(const nsAString & aCssText);
      74                 :   NS_IMETHOD GetPropertyValue(const nsAString & propertyName,
      75                 :                               nsAString & _retval);
      76                 :   NS_IMETHOD GetPropertyCSSValue(const nsAString & propertyName,
      77                 :                                  nsIDOMCSSValue **_retval);
      78                 :   NS_IMETHOD RemoveProperty(const nsAString & propertyName,
      79                 :                             nsAString & _retval);
      80                 :   NS_IMETHOD GetPropertyPriority(const nsAString & propertyName,
      81                 :                                  nsAString & _retval);
      82                 :   NS_IMETHOD SetProperty(const nsAString & propertyName,
      83                 :                          const nsAString & value, const nsAString & priority);
      84                 :   NS_IMETHOD GetLength(PRUint32 *aLength);
      85                 :   NS_IMETHOD Item(PRUint32 index, nsAString & _retval);
      86                 :   NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) = 0;
      87                 : 
      88                 :   // We implement this as a shim which forwards to GetPropertyValue
      89                 :   // and SetPropertyValue; subclasses need not.
      90                 :   NS_DECL_NSIDOMCSS2PROPERTIES
      91                 : 
      92                 : protected:
      93                 :   // This method can return null regardless of the value of aAllocate;
      94                 :   // however, a null return should only be considered a failure
      95                 :   // if aAllocate is true.
      96                 :   virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) = 0;
      97                 :   virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) = 0;
      98                 :   // Document that we must call BeginUpdate/EndUpdate on around the
      99                 :   // calls to SetCSSDeclaration and the style rule mutation that leads
     100                 :   // to it.
     101                 :   virtual nsIDocument* DocToUpdate() = 0;
     102                 : 
     103                 :   // Information neded to parse a declaration.  We need the mSheetURI
     104                 :   // for error reporting, mBaseURI to resolve relative URIs,
     105                 :   // mPrincipal for subresource loads, and mCSSLoader for determining
     106                 :   // whether we're in quirks mode.  mBaseURI needs to be a strong
     107                 :   // pointer because of xml:base possibly creating base URIs on the
     108                 :   // fly.  This is why we don't use CSSParsingEnvironment as a return
     109                 :   // value, to avoid multiple-refcounting of mBaseURI.
     110               0 :   struct CSSParsingEnvironment {
     111                 :     nsIURI* mSheetURI;
     112                 :     nsCOMPtr<nsIURI> mBaseURI;
     113                 :     nsIPrincipal* mPrincipal;
     114                 :     mozilla::css::Loader* mCSSLoader;
     115                 :   };
     116                 :   
     117                 :   // On failure, mPrincipal should be set to null in aCSSParseEnv.
     118                 :   // If mPrincipal is null, the other members may not be set to
     119                 :   // anything meaningful.
     120                 :   virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) = 0;
     121                 : 
     122                 :   // An implementation for GetCSSParsingEnvironment for callers wrapping
     123                 :   // an css::Rule.
     124                 :   static void GetCSSParsingEnvironmentForRule(mozilla::css::Rule* aRule,
     125                 :                                               CSSParsingEnvironment& aCSSParseEnv);
     126                 : 
     127                 :   nsresult ParsePropertyValue(const nsCSSProperty aPropID,
     128                 :                               const nsAString& aPropValue,
     129                 :                               bool aIsImportant);
     130                 : 
     131                 :   // Prop-id based version of RemoveProperty.  Note that this does not
     132                 :   // return the old value; it just does a straight removal.
     133                 :   nsresult RemoveProperty(const nsCSSProperty aPropID);
     134                 : 
     135                 : protected:
     136                 :   virtual ~nsDOMCSSDeclaration();
     137                 : };
     138                 : 
     139                 : #endif // nsDOMCSSDeclaration_h___

Generated by: LCOV version 1.7