LCOV - code coverage report
Current view: directory - widget/xpwidgets - nsNativeTheme.h (source / functions) Found Hit Coverage
Test: app.info Lines: 13 0 0.0 %
Date: 2012-06-02 Functions: 7 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.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) 2002
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *  Brian Ryner <bryner@brianryner.com>  (Original Author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * 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                 : // This defines a common base class for nsITheme implementations, to reduce
      40                 : // code duplication.
      41                 : 
      42                 : #include "prtypes.h"
      43                 : #include "nsAlgorithm.h"
      44                 : #include "nsIAtom.h"
      45                 : #include "nsCOMPtr.h"
      46                 : #include "nsString.h"
      47                 : #include "nsMargin.h"
      48                 : #include "nsGkAtoms.h"
      49                 : #include "nsEventStates.h"
      50                 : #include "nsTArray.h"
      51                 : #include "nsITimer.h"
      52                 : 
      53                 : class nsIContent;
      54                 : class nsIFrame;
      55                 : class nsIPresShell;
      56                 : class nsPresContext;
      57                 : 
      58                 : class nsNativeTheme : public nsITimerCallback
      59               0 : {
      60                 :  protected:
      61                 : 
      62                 :   NS_DECL_ISUPPORTS
      63                 :   NS_DECL_NSITIMERCALLBACK
      64                 : 
      65                 :   enum ScrollbarButtonType {
      66                 :     eScrollbarButton_UpTop   = 0,
      67                 :     eScrollbarButton_Down    = 1 << 0,
      68                 :     eScrollbarButton_Bottom  = 1 << 1
      69                 :   };
      70                 : 
      71                 :   enum TreeSortDirection {
      72                 :     eTreeSortDirection_Descending,
      73                 :     eTreeSortDirection_Natural,
      74                 :     eTreeSortDirection_Ascending
      75                 :   };
      76                 : 
      77                 :   nsNativeTheme();
      78                 : 
      79                 :   // Returns the content state (hover, focus, etc), see nsEventStateManager.h
      80                 :   nsEventStates GetContentState(nsIFrame* aFrame, PRUint8 aWidgetType);
      81                 : 
      82                 :   // Returns whether the widget is already styled by content
      83                 :   // Normally called from ThemeSupportsWidget to turn off native theming
      84                 :   // for elements that are already styled.
      85                 :   bool IsWidgetStyled(nsPresContext* aPresContext, nsIFrame* aFrame,
      86                 :                         PRUint8 aWidgetType);                                              
      87                 : 
      88                 :   // Accessors to widget-specific state information
      89                 : 
      90                 :   bool IsDisabled(nsIFrame* aFrame, nsEventStates aEventStates);
      91                 : 
      92                 :   // RTL chrome direction
      93                 :   bool IsFrameRTL(nsIFrame* aFrame);
      94                 : 
      95                 :   // button:
      96               0 :   bool IsDefaultButton(nsIFrame* aFrame) {
      97               0 :     return CheckBooleanAttr(aFrame, nsGkAtoms::_default);
      98                 :   }
      99                 : 
     100                 :   bool IsButtonTypeMenu(nsIFrame* aFrame);
     101                 : 
     102                 :   // checkbox:
     103                 :   bool IsChecked(nsIFrame* aFrame) {
     104                 :     return GetCheckedOrSelected(aFrame, false);
     105                 :   }
     106                 : 
     107                 :   // radiobutton:
     108                 :   bool IsSelected(nsIFrame* aFrame) {
     109                 :     return GetCheckedOrSelected(aFrame, true);
     110                 :   }
     111                 :   
     112               0 :   bool IsFocused(nsIFrame* aFrame) {
     113               0 :     return CheckBooleanAttr(aFrame, nsGkAtoms::focused);
     114                 :   }
     115                 :   
     116                 :   // scrollbar button:
     117                 :   PRInt32 GetScrollbarButtonType(nsIFrame* aFrame);
     118                 : 
     119                 :   // tab:
     120               0 :   bool IsSelectedTab(nsIFrame* aFrame) {
     121               0 :     return CheckBooleanAttr(aFrame, nsGkAtoms::selected);
     122                 :   }
     123                 :   
     124                 :   bool IsNextToSelectedTab(nsIFrame* aFrame, PRInt32 aOffset);
     125                 :   
     126                 :   bool IsBeforeSelectedTab(nsIFrame* aFrame) {
     127                 :     return IsNextToSelectedTab(aFrame, -1);
     128                 :   }
     129                 :   
     130                 :   bool IsAfterSelectedTab(nsIFrame* aFrame) {
     131                 :     return IsNextToSelectedTab(aFrame, 1);
     132                 :   }
     133                 : 
     134                 :   bool IsLeftToSelectedTab(nsIFrame* aFrame) {
     135                 :     return IsFrameRTL(aFrame) ? IsAfterSelectedTab(aFrame) : IsBeforeSelectedTab(aFrame);
     136                 :   }
     137                 : 
     138                 :   bool IsRightToSelectedTab(nsIFrame* aFrame) {
     139                 :     return IsFrameRTL(aFrame) ? IsBeforeSelectedTab(aFrame) : IsAfterSelectedTab(aFrame);
     140                 :   }
     141                 : 
     142                 :   // button / toolbarbutton:
     143               0 :   bool IsCheckedButton(nsIFrame* aFrame) {
     144               0 :     return CheckBooleanAttr(aFrame, nsGkAtoms::checked);
     145                 :   }
     146                 : 
     147                 :   bool IsSelectedButton(nsIFrame* aFrame) {
     148                 :     return CheckBooleanAttr(aFrame, nsGkAtoms::checked) ||
     149                 :            CheckBooleanAttr(aFrame, nsGkAtoms::selected);
     150                 :   }
     151                 : 
     152               0 :   bool IsOpenButton(nsIFrame* aFrame) {
     153               0 :     return CheckBooleanAttr(aFrame, nsGkAtoms::open);
     154                 :   }
     155                 : 
     156                 :   bool IsPressedButton(nsIFrame* aFrame);
     157                 : 
     158                 :   // treeheadercell:
     159                 :   TreeSortDirection GetTreeSortDirection(nsIFrame* aFrame);
     160                 :   bool IsLastTreeHeaderCell(nsIFrame* aFrame);
     161                 : 
     162                 :   // tab:
     163                 :   bool IsBottomTab(nsIFrame* aFrame);
     164                 :   bool IsFirstTab(nsIFrame* aFrame);
     165                 :   
     166                 :   bool IsHorizontal(nsIFrame* aFrame);
     167                 : 
     168                 :   // progressbar:
     169                 :   bool IsIndeterminateProgress(nsIFrame* aFrame, nsEventStates aEventStates);
     170                 :   bool IsVerticalProgress(nsIFrame* aFrame);
     171                 : 
     172                 :   // textfield:
     173               0 :   bool IsReadOnly(nsIFrame* aFrame) {
     174               0 :       return CheckBooleanAttr(aFrame, nsGkAtoms::readonly);
     175                 :   }
     176                 : 
     177                 :   // menupopup:
     178                 :   bool IsSubmenu(nsIFrame* aFrame, bool* aLeftOfParent);
     179                 : 
     180                 :   // True if it's not a menubar item or menulist item
     181                 :   bool IsRegularMenuItem(nsIFrame *aFrame);
     182                 : 
     183                 :   bool IsMenuListEditable(nsIFrame *aFrame);
     184                 : 
     185                 :   nsIPresShell *GetPresShell(nsIFrame* aFrame);
     186                 :   PRInt32 CheckIntAttr(nsIFrame* aFrame, nsIAtom* aAtom, PRInt32 defaultValue);
     187                 :   bool CheckBooleanAttr(nsIFrame* aFrame, nsIAtom* aAtom);
     188                 : 
     189                 :   bool GetCheckedOrSelected(nsIFrame* aFrame, bool aCheckSelected);
     190                 :   bool GetIndeterminate(nsIFrame* aFrame);
     191                 : 
     192                 :   bool QueueAnimatedContentForRefresh(nsIContent* aContent,
     193                 :                                         PRUint32 aMinimumFrameRate);
     194                 : 
     195                 :   nsIFrame* GetAdjacentSiblingFrameWithSameAppearance(nsIFrame* aFrame,
     196                 :                                                       bool aNextSibling);
     197                 : 
     198                 :  private:
     199                 :   PRUint32 mAnimatedContentTimeout;
     200                 :   nsCOMPtr<nsITimer> mAnimatedContentTimer;
     201                 :   nsAutoTArray<nsCOMPtr<nsIContent>, 20> mAnimatedContentList;
     202                 : };

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