1
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2
/* ***** BEGIN LICENSE BLOCK *****
3
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
5
* The contents of this file are subject to the Netscape Public License
6
* Version 1.1 (the "License"); you may not use this file except in
7
* compliance with the License. You may obtain a copy of the License at
8
* http://www.mozilla.org/NPL/
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
15
* The Original Code is mozilla.org code.
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.
24
* Alternatively, the contents of this file may be used under the terms of
25
* either the GNU General Public License Version 2 or later (the "GPL"), or
26
* 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 NPL, 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 NPL, the GPL or the LGPL.
36
* ***** END LICENSE BLOCK ***** */
38
#ifndef __nsXPLookAndFeel
39
#define __nsXPLookAndFeel
41
#include "nsILookAndFeel.h"
52
nsLookAndFeelTypeFloat,
53
nsLookAndFeelTypeColor
56
struct nsLookAndFeelIntPref
59
nsILookAndFeel::nsMetricID id;
61
nsLookAndFeelType type;
65
struct nsLookAndFeelFloatPref
68
nsILookAndFeel::nsMetricFloatID id;
70
nsLookAndFeelType type;
74
#define CACHE_BLOCK(x) ((x) >> 5)
75
#define CACHE_BIT(x) (1 << ((x) & 31))
77
#define COLOR_CACHE_SIZE (CACHE_BLOCK(nsILookAndFeel::eColor_LAST_COLOR) + 1)
78
#define IS_COLOR_CACHED(x) (CACHE_BIT(x) & nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)])
79
#define CACHE_COLOR(x, y) nsXPLookAndFeel::sCachedColors[(x)] = y; \
80
nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] |= CACHE_BIT(x);
82
class nsXPLookAndFeel: public nsILookAndFeel
86
virtual ~nsXPLookAndFeel();
93
// All these routines will return NS_OK if they have a value,
94
// in which case the nsLookAndFeel should use that value;
95
// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
96
// platform-specific nsLookAndFeel should use its own values instead.
98
NS_IMETHOD GetColor(const nsColorID aID, nscolor &aColor);
99
NS_IMETHOD GetMetric(const nsMetricID aID, PRInt32 & aMetric);
100
NS_IMETHOD GetMetric(const nsMetricFloatID aID, float & aMetric);
102
NS_IMETHOD LookAndFeelChanged();
105
NS_IMETHOD GetNavSize(const nsMetricNavWidgetID aWidgetID,
106
const nsMetricNavFontID aFontID,
107
const PRInt32 aFontSize,
112
nsresult InitFromPref(nsLookAndFeelIntPref* aPref, nsIPref* aPrefService);
113
nsresult InitFromPref(nsLookAndFeelFloatPref* aPref, nsIPref* aPrefService);
114
nsresult InitColorFromPref(PRInt32 aIndex, nsIPref* aPrefService);
115
virtual nsresult NativeGetColor(const nsColorID aID, nscolor& aColor) = 0;
117
static PRBool sInitialized;
118
static nsLookAndFeelIntPref sIntPrefs[];
119
static nsLookAndFeelFloatPref sFloatPrefs[];
120
/* this length must not be shorter than the length of the longest string in the array
121
* see nsXPLookAndFeel.cpp
123
static const char sColorPrefs[][36];
124
static PRInt32 sCachedColors[nsILookAndFeel::eColor_LAST_COLOR];
125
static PRInt32 sCachedColorBits[COLOR_CACHE_SIZE];
127
friend int colorPrefChanged(const char* aPref, void* aData);
130
extern nsresult NS_NewXPLookAndFeel(nsILookAndFeel**);