зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
5.0 KiB
C++
131 строка
5.0 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __mozilla_widget_GfxInfoBase_h__
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#define __mozilla_widget_GfxInfoBase_h__
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#include "nsIGfxInfo.h"
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#include "nsCOMPtr.h"
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#include "nsIObserver.h"
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#include "nsWeakReference.h"
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#include "GfxDriverInfo.h"
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#include "nsTArray.h"
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#include "nsString.h"
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#include "GfxInfoCollector.h"
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#include "nsIGfxInfoDebug.h"
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namespace mozilla {
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namespace widget {
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class GfxInfoBase : public nsIGfxInfo,
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public nsIObserver,
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public nsSupportsWeakReference
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#ifdef DEBUG
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, public nsIGfxInfoDebug
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#endif
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{
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public:
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GfxInfoBase();
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virtual ~GfxInfoBase();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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// We only declare a subset of the nsIGfxInfo interface. It's up to derived
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// classes to implement the rest of the interface.
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// Derived classes need to use
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// using GfxInfoBase::GetFeatureStatus;
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// using GfxInfoBase::GetFeatureSuggestedDriverVersion;
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// using GfxInfoBase::GetWebGLParameter;
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// to import the relevant methods into their namespace.
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NS_SCRIPTABLE NS_IMETHOD GetFeatureStatus(PRInt32 aFeature, PRInt32 *_retval NS_OUTPARAM);
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NS_SCRIPTABLE NS_IMETHOD GetFeatureSuggestedDriverVersion(PRInt32 aFeature, nsAString & _retval NS_OUTPARAM);
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NS_SCRIPTABLE NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval NS_OUTPARAM);
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NS_SCRIPTABLE NS_IMETHOD GetFailures(PRUint32 *failureCount NS_OUTPARAM, char ***failures NS_OUTPARAM);
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NS_IMETHOD_(void) LogFailure(const nsACString &failure);
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NS_SCRIPTABLE NS_IMETHOD GetInfo(JSContext*, jsval*);
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// Initialization function. If you override this, you must call this class's
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// version of Init first.
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// We need Init to be called separately from the constructor so we can
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// register as an observer after all derived classes have been constructed
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// and we know we have a non-zero refcount.
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// Ideally, Init() would be void-return, but the rules of
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// NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return.
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virtual nsresult Init();
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// only useful on X11
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NS_IMETHOD_(void) GetData() { }
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static void AddCollector(GfxInfoCollectorBase* collector);
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static void RemoveCollector(GfxInfoCollectorBase* collector);
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static nsTArray<GfxDriverInfo>* mDriverInfo;
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static bool mDriverInfoObserverInitialized;
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protected:
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virtual nsresult GetFeatureStatusImpl(PRInt32 aFeature, PRInt32* aStatus,
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nsAString& aSuggestedDriverVersion,
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const nsTArray<GfxDriverInfo>& aDriverInfo,
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OperatingSystem* aOS = nsnull);
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// Gets the driver info table. Used by GfxInfoBase to check for general cases
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// (while subclasses check for more specific ones).
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virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0;
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private:
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virtual PRInt32 FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
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nsAString& aSuggestedVersion,
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PRInt32 aFeature,
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OperatingSystem os);
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void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo);
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nsCString mFailures[9]; // The choice of 9 is Ehsan's
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PRUint32 mFailureCount;
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};
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}
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}
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#endif /* __mozilla_widget_GfxInfoBase_h__ */
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