pjs/widget/xpwidgets/GfxInfoBase.h

131 строка
5.0 KiB
C++

/* vim: se cin sw=2 ts=2 et : */
/* -*- 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
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 ***** */
#ifndef __mozilla_widget_GfxInfoBase_h__
#define __mozilla_widget_GfxInfoBase_h__
#include "nsIGfxInfo.h"
#include "nsCOMPtr.h"
#include "nsIObserver.h"
#include "nsWeakReference.h"
#include "GfxDriverInfo.h"
#include "nsTArray.h"
#include "nsString.h"
#include "GfxInfoCollector.h"
#include "nsIGfxInfoDebug.h"
namespace mozilla {
namespace widget {
class GfxInfoBase : public nsIGfxInfo,
public nsIObserver,
public nsSupportsWeakReference
#ifdef DEBUG
, public nsIGfxInfoDebug
#endif
{
public:
GfxInfoBase();
virtual ~GfxInfoBase();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
// We only declare a subset of the nsIGfxInfo interface. It's up to derived
// classes to implement the rest of the interface.
// Derived classes need to use
// using GfxInfoBase::GetFeatureStatus;
// using GfxInfoBase::GetFeatureSuggestedDriverVersion;
// using GfxInfoBase::GetWebGLParameter;
// to import the relevant methods into their namespace.
NS_SCRIPTABLE NS_IMETHOD GetFeatureStatus(PRInt32 aFeature, PRInt32 *_retval NS_OUTPARAM);
NS_SCRIPTABLE NS_IMETHOD GetFeatureSuggestedDriverVersion(PRInt32 aFeature, nsAString & _retval NS_OUTPARAM);
NS_SCRIPTABLE NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval NS_OUTPARAM);
NS_SCRIPTABLE NS_IMETHOD GetFailures(PRUint32 *failureCount NS_OUTPARAM, char ***failures NS_OUTPARAM);
NS_IMETHOD_(void) LogFailure(const nsACString &failure);
NS_SCRIPTABLE NS_IMETHOD GetInfo(JSContext*, jsval*);
// Initialization function. If you override this, you must call this class's
// version of Init first.
// We need Init to be called separately from the constructor so we can
// register as an observer after all derived classes have been constructed
// and we know we have a non-zero refcount.
// Ideally, Init() would be void-return, but the rules of
// NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return.
virtual nsresult Init();
// only useful on X11
NS_IMETHOD_(void) GetData() { }
static void AddCollector(GfxInfoCollectorBase* collector);
static void RemoveCollector(GfxInfoCollectorBase* collector);
static nsTArray<GfxDriverInfo>* mDriverInfo;
static bool mDriverInfoObserverInitialized;
protected:
virtual nsresult GetFeatureStatusImpl(PRInt32 aFeature, PRInt32* aStatus,
nsAString& aSuggestedDriverVersion,
const nsTArray<GfxDriverInfo>& aDriverInfo,
OperatingSystem* aOS = nsnull);
// Gets the driver info table. Used by GfxInfoBase to check for general cases
// (while subclasses check for more specific ones).
virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0;
private:
virtual PRInt32 FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
nsAString& aSuggestedVersion,
PRInt32 aFeature,
OperatingSystem os);
void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo);
nsCString mFailures[9]; // The choice of 9 is Ehsan's
PRUint32 mFailureCount;
};
}
}
#endif /* __mozilla_widget_GfxInfoBase_h__ */