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-rw-r--r--widget/GfxInfoBase.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/widget/GfxInfoBase.h b/widget/GfxInfoBase.h
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+/* vim: se cin sw=2 ts=2 et : */
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __mozilla_widget_GfxInfoBase_h__
+#define __mozilla_widget_GfxInfoBase_h__
+
+#include "GfxDriverInfo.h"
+#include "GfxInfoCollector.h"
+#include "gfxFeature.h"
+#include "gfxTelemetry.h"
+#include "js/Value.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/Mutex.h"
+#include "nsCOMPtr.h"
+#include "nsIGfxInfo.h"
+#include "nsIGfxInfoDebug.h"
+#include "nsIObserver.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsWeakReference.h"
+
+namespace mozilla {
+namespace widget {
+
+class GfxInfoBase : public nsIGfxInfo,
+ public nsIObserver,
+ public nsSupportsWeakReference
+#ifdef DEBUG
+ , public nsIGfxInfoDebug
+#endif
+{
+public:
+ GfxInfoBase();
+
+ NS_DECL_THREADSAFE_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_IMETHOD GetFeatureStatus(int32_t aFeature, nsACString& aFailureId, int32_t *_retval) override;
+ NS_IMETHOD GetFeatureSuggestedDriverVersion(int32_t aFeature, nsAString & _retval) override;
+ NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval) override;
+
+ NS_IMETHOD GetMonitors(JSContext* cx, JS::MutableHandleValue _retval) override;
+ NS_IMETHOD GetFailures(uint32_t *failureCount, int32_t** indices, char ***failures) override;
+ NS_IMETHOD_(void) LogFailure(const nsACString &failure) override;
+ NS_IMETHOD GetInfo(JSContext*, JS::MutableHandle<JS::Value>) override;
+ NS_IMETHOD GetFeatures(JSContext*, JS::MutableHandle<JS::Value>) override;
+ NS_IMETHOD GetFeatureLog(JSContext*, JS::MutableHandle<JS::Value>) override;
+ NS_IMETHOD GetActiveCrashGuards(JSContext*, JS::MutableHandle<JS::Value>) override;
+ NS_IMETHOD GetContentBackend(nsAString & aContentBackend) override;
+
+ // 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() override { }
+
+ static void AddCollector(GfxInfoCollectorBase* collector);
+ static void RemoveCollector(GfxInfoCollectorBase* collector);
+
+ static nsTArray<GfxDriverInfo>* mDriverInfo;
+ static bool mDriverInfoObserverInitialized;
+
+ virtual nsString Model() { return EmptyString(); }
+ virtual nsString Hardware() { return EmptyString(); }
+ virtual nsString Product() { return EmptyString(); }
+ virtual nsString Manufacturer() { return EmptyString(); }
+ virtual uint32_t OperatingSystemVersion() { return 0; }
+
+ // Convenience to get the application version
+ static const nsCString& GetApplicationVersion();
+
+ virtual nsresult FindMonitors(JSContext* cx, JS::HandleObject array) {
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+protected:
+
+ virtual ~GfxInfoBase();
+
+ virtual nsresult GetFeatureStatusImpl(int32_t aFeature, int32_t* aStatus,
+ nsAString& aSuggestedDriverVersion,
+ const nsTArray<GfxDriverInfo>& aDriverInfo,
+ nsACString& aFailureId,
+ OperatingSystem* aOS = nullptr);
+
+ // 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;
+
+ virtual void DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> obj);
+ bool InitFeatureObject(
+ JSContext* aCx,
+ JS::Handle<JSObject*> aContainer,
+ const char* aName,
+ int32_t aFeature,
+ Maybe<mozilla::gfx::FeatureStatus> aKnownStatus,
+ JS::MutableHandle<JSObject*> aOutObj);
+
+private:
+ virtual int32_t FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
+ nsAString& aSuggestedVersion,
+ int32_t aFeature,
+ nsACString &aFailureId,
+ OperatingSystem os);
+
+ void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo);
+
+ bool BuildFeatureStateLog(JSContext* aCx, const gfx::FeatureState& aFeature,
+ JS::MutableHandle<JS::Value> aOut);
+
+ Mutex mMutex;
+
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif /* __mozilla_widget_GfxInfoBase_h__ */