197 lines
6.7 KiB
C++
197 lines
6.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2002
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Brian Ryner <bryner@brianryner.com> (Original Author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
// This defines a common base class for nsITheme implementations, to reduce
|
|
// code duplication.
|
|
|
|
#include "prtypes.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsString.h"
|
|
#include "nsMargin.h"
|
|
#include "nsILookAndFeel.h"
|
|
|
|
class nsIFrame;
|
|
class nsIPresShell;
|
|
class nsPresContext;
|
|
|
|
class nsNativeTheme
|
|
{
|
|
protected:
|
|
|
|
enum TreeSortDirection {
|
|
eTreeSortDirection_Descending,
|
|
eTreeSortDirection_Natural,
|
|
eTreeSortDirection_Ascending
|
|
};
|
|
|
|
nsNativeTheme();
|
|
|
|
// Returns the content state (hover, focus, etc), see nsIEventStateManager.h
|
|
PRInt32 GetContentState(nsIFrame* aFrame, PRUint8 aWidgetType);
|
|
|
|
// Returns whether the widget is already styled by content
|
|
// Normally called from ThemeSupportsWidget to turn off native theming
|
|
// for elements that are already styled.
|
|
PRBool IsWidgetStyled(nsPresContext* aPresContext, nsIFrame* aFrame,
|
|
PRUint8 aWidgetType);
|
|
|
|
// Accessors to widget-specific state information
|
|
|
|
// all widgets:
|
|
PRBool IsDisabled(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mDisabledAtom);
|
|
}
|
|
|
|
// button:
|
|
PRBool IsDefaultButton(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mDefaultAtom);
|
|
}
|
|
|
|
// checkbox:
|
|
PRBool IsChecked(nsIFrame* aFrame) {
|
|
return GetCheckedOrSelected(aFrame, PR_FALSE);
|
|
}
|
|
|
|
// radiobutton:
|
|
PRBool IsSelected(nsIFrame* aFrame) {
|
|
return GetCheckedOrSelected(aFrame, PR_TRUE);
|
|
}
|
|
|
|
PRBool IsFocused(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mFocusedAtom);
|
|
}
|
|
|
|
// tab:
|
|
PRBool IsSelectedTab(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mSelectedAtom);
|
|
}
|
|
|
|
// toolbarbutton:
|
|
PRBool IsCheckedButton(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mCheckedAtom);
|
|
}
|
|
|
|
// treeheadercell:
|
|
TreeSortDirection GetTreeSortDirection(nsIFrame* aFrame) {
|
|
nsAutoString sortdir;
|
|
if (GetAttr(aFrame, mSortDirectionAtom, sortdir)) {
|
|
if (sortdir.EqualsLiteral("descending"))
|
|
return eTreeSortDirection_Descending;
|
|
else if (sortdir.EqualsLiteral("ascending"))
|
|
return eTreeSortDirection_Ascending;
|
|
}
|
|
|
|
return eTreeSortDirection_Natural;
|
|
}
|
|
|
|
// tab:
|
|
PRBool IsBottomTab(nsIFrame* aFrame) {
|
|
nsAutoString classStr;
|
|
if (GetAttr(aFrame, mClassAtom, classStr))
|
|
return classStr.Find("tab-bottom") != kNotFound;
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// progressbar:
|
|
PRBool IsIndeterminateProgress(nsIFrame* aFrame) {
|
|
nsAutoString mode;
|
|
if (GetAttr(aFrame, mModeAtom, mode))
|
|
return mode.EqualsLiteral("undetermined");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRInt32 GetProgressValue(nsIFrame* aFrame) {
|
|
return CheckIntAttr(aFrame, mValueAtom);
|
|
}
|
|
|
|
// textfield:
|
|
PRBool IsReadOnly(nsIFrame* aFrame) {
|
|
return CheckBooleanAttr(aFrame, mReadOnlyAtom);
|
|
}
|
|
|
|
// These are used by nsNativeThemeGtk
|
|
nsIPresShell *GetPresShell(nsIFrame* aFrame);
|
|
PRInt32 CheckIntAttr(nsIFrame* aFrame, nsIAtom* aAtom);
|
|
PRBool CheckBooleanAttr(nsIFrame* aFrame, nsIAtom* aAtom);
|
|
|
|
private:
|
|
PRBool GetAttr(nsIFrame* aFrame, nsIAtom* aAtom, nsAString& attrValue);
|
|
PRBool GetCheckedOrSelected(nsIFrame* aFrame, PRBool aCheckSelected);
|
|
|
|
protected:
|
|
// these are available to subclasses because they are useful in
|
|
// implementing WidgetStateChanged()
|
|
nsCOMPtr<nsIAtom> mDisabledAtom;
|
|
nsCOMPtr<nsIAtom> mCheckedAtom;
|
|
nsCOMPtr<nsIAtom> mSelectedAtom;
|
|
nsCOMPtr<nsIAtom> mReadOnlyAtom;
|
|
nsCOMPtr<nsIAtom> mFirstTabAtom;
|
|
nsCOMPtr<nsIAtom> mFocusedAtom;
|
|
nsCOMPtr<nsIAtom> mSortDirectionAtom;
|
|
|
|
// these should be set to appropriate platform values by the subclass, to
|
|
// match the values in forms.css. These defaults match forms.css
|
|
static nsMargin sButtonBorderSize;
|
|
static nsMargin sButtonDisabledBorderSize;
|
|
static PRUint8 sButtonActiveBorderStyle;
|
|
static PRUint8 sButtonInactiveBorderStyle;
|
|
static nsILookAndFeel::nsColorID sButtonBorderColorID;
|
|
static nsILookAndFeel::nsColorID sButtonDisabledBorderColorID;
|
|
static nsILookAndFeel::nsColorID sButtonBGColorID;
|
|
static nsILookAndFeel::nsColorID sButtonDisabledBGColorID;
|
|
static nsMargin sTextfieldBorderSize;
|
|
static PRUint8 sTextfieldBorderStyle;
|
|
static nsILookAndFeel::nsColorID sTextfieldBorderColorID;
|
|
static PRBool sTextfieldBGTransparent;
|
|
static nsILookAndFeel::nsColorID sTextfieldBGColorID;
|
|
static nsILookAndFeel::nsColorID sTextfieldDisabledBGColorID;
|
|
static nsMargin sListboxBorderSize;
|
|
static PRUint8 sListboxBorderStyle;
|
|
static nsILookAndFeel::nsColorID sListboxBorderColorID;
|
|
static PRBool sListboxBGTransparent;
|
|
static nsILookAndFeel::nsColorID sListboxBGColorID;
|
|
static nsILookAndFeel::nsColorID sListboxDisabledBGColorID;
|
|
|
|
private:
|
|
nsCOMPtr<nsIAtom> mDefaultAtom;
|
|
nsCOMPtr<nsIAtom> mValueAtom;
|
|
nsCOMPtr<nsIAtom> mModeAtom;
|
|
nsCOMPtr<nsIAtom> mClassAtom;
|
|
};
|