зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
3.8 KiB
C++
107 строки
3.8 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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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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#include "mozilla/Mutex.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_THREADSAFE_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_IMETHOD GetFeatureStatus(int32_t aFeature, int32_t *_retval);
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NS_IMETHOD GetFeatureSuggestedDriverVersion(int32_t aFeature, nsAString & _retval);
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NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval);
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NS_IMETHOD GetFailures(uint32_t *failureCount, char ***failures);
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NS_IMETHOD_(void) LogFailure(const nsACString &failure);
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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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virtual nsString Model() const { return EmptyString(); }
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virtual nsString Hardware() const { return EmptyString(); }
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virtual nsString Product() const { return EmptyString(); }
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virtual nsString Manufacturer() const { return EmptyString(); }
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virtual uint32_t OperatingSystemVersion() const { return 0; }
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protected:
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virtual nsresult GetFeatureStatusImpl(int32_t aFeature, int32_t* aStatus,
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nsAString& aSuggestedDriverVersion,
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const nsTArray<GfxDriverInfo>& aDriverInfo,
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OperatingSystem* aOS = nullptr);
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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 int32_t FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
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nsAString& aSuggestedVersion,
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int32_t 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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uint32_t mFailureCount;
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Mutex mMutex;
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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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