mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
121 lines
4.6 KiB
C++
121 lines
4.6 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 the Mozilla browser.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of 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 ***** */
|
|
|
|
#ifndef nsITheme_h_
|
|
#define nsITheme_h_
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsColor.h"
|
|
|
|
struct nsRect;
|
|
struct nsSize;
|
|
struct nsFont;
|
|
struct nsMargin;
|
|
class nsPresContext;
|
|
class nsIRenderingContext;
|
|
class nsIDeviceContext;
|
|
class nsIFrame;
|
|
class nsIContent;
|
|
class nsIAtom;
|
|
|
|
// IID for the nsITheme interface
|
|
// {75220e36-b77a-464c-bd82-988cf86391cc}
|
|
#define NS_ITHEME_IID \
|
|
{ 0x75220e36, 0xb77a, 0x464c, { 0xbd, 0x82, 0x98, 0x8c, 0xf8, 0x63, 0x91, 0xcc } }
|
|
|
|
// {D930E29B-6909-44e5-AB4B-AF10D6923705}
|
|
#define NS_THEMERENDERER_CID \
|
|
{ 0xd930e29b, 0x6909, 0x44e5, { 0xab, 0x4b, 0xaf, 0x10, 0xd6, 0x92, 0x37, 0x5 } }
|
|
|
|
class nsITheme: public nsISupports {
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ITHEME_IID)
|
|
|
|
NS_IMETHOD DrawWidgetBackground(nsIRenderingContext* aContext,
|
|
nsIFrame* aFrame,
|
|
PRUint8 aWidgetType,
|
|
const nsRect& aRect,
|
|
const nsRect& aClipRect)=0;
|
|
|
|
NS_IMETHOD GetWidgetBorder(nsIDeviceContext* aContext,
|
|
nsIFrame* aFrame,
|
|
PRUint8 aWidgetType,
|
|
nsMargin* aResult)=0;
|
|
|
|
// This method can return PR_FALSE to indicate that the CSS padding value
|
|
// should be used. Otherwise, it will fill in aResult with the desired
|
|
// padding and return PR_TRUE.
|
|
virtual PRBool GetWidgetPadding(nsIDeviceContext* aContext,
|
|
nsIFrame* aFrame,
|
|
PRUint8 aWidgetType,
|
|
nsMargin* aResult) = 0;
|
|
|
|
// This method can return PR_FALSE to indicate that no special overflow
|
|
// area is required by the native widget. Otherwise it will fill in
|
|
// aResult with the desired overflow area and return PR_TRUE.
|
|
virtual PRBool GetWidgetOverflow(nsIDeviceContext* aContext,
|
|
nsIFrame* aFrame,
|
|
PRUint8 aWidgetType,
|
|
nsRect* aResult)
|
|
{ return PR_FALSE; }
|
|
|
|
NS_IMETHOD GetMinimumWidgetSize(nsIRenderingContext* aContext, nsIFrame* aFrame,
|
|
PRUint8 aWidgetType,
|
|
nsSize* aResult,
|
|
PRBool* aIsOverridable)=0;
|
|
|
|
NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, PRUint8 aWidgetType,
|
|
nsIAtom* aAttribute, PRBool* aShouldRepaint)=0;
|
|
|
|
NS_IMETHOD ThemeChanged()=0;
|
|
|
|
virtual PRBool ThemeSupportsWidget(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
PRUint8 aWidgetType)=0;
|
|
|
|
virtual PRBool WidgetIsContainer(PRUint8 aWidgetType)=0;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsITheme, NS_ITHEME_IID)
|
|
|
|
// Creator function
|
|
extern NS_METHOD NS_NewNativeTheme(nsISupports *aOuter, REFNSIID aIID, void **aResult);
|
|
|
|
#endif
|