GfxInfoBase.h - mozsearch

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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 "mozilla/StaticPtr.h"

#include "mozilla/gfx/GraphicsMessages.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;

  // 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 GetFeatureStatusStr(const nsAString& aFeature,

                                 nsACString& aFailureId,

                                 nsAString& _retval) override;

  NS_IMETHOD GetFeatureSuggestedDriverVersionStr(const nsAString& aFeature,

                                                 nsAString& _retval) override;

  NS_IMETHOD GetMonitors(JSContext* cx,

                         JS::MutableHandle<JS::Value> _retval) override;

  NS_IMETHOD GetFailures(nsTArray<int32_t>& indices,

                         nsTArray<nsCString>& 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 GetFontVisibilityDetermination(

      nsIGfxInfo::FontVisibilityDeviceDetermination*

          aFontVisibilityDetermination) override;

  NS_IMETHOD GetFontVisibilityDeterminationStr(

      nsAString& aFontVisibilityDeterminationStr) override;

  NS_IMETHOD GetContentBackend(nsAString& aContentBackend) override;

  NS_IMETHOD GetAzureCanvasBackend(nsAString& aBackend) override;

  NS_IMETHOD GetAzureContentBackend(nsAString& aBackend) override;

  NS_IMETHOD GetUsingGPUProcess(bool* aOutValue) override;

  NS_IMETHOD GetUsingRemoteCanvas(bool* aOutValue) override;

  NS_IMETHOD GetUsingAcceleratedCanvas(bool* aOutValue) override;

  NS_IMETHOD GetIsHeadless(bool* aIsHeadless) override;

  NS_IMETHOD GetTargetFrameRate(uint32_t* aTargetFrameRate) override;

  NS_IMETHOD GetCodecSupportInfo(nsACString& aCodecSupportInfo) override;

  // Non-XPCOM method to get IPC data:

  nsTArray<mozilla::gfx::GfxInfoFeatureStatus> GetAllFeatures();

  // 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();

  NS_IMETHOD_(void) GetData() override;

  NS_IMETHOD_(int32_t) GetMaxRefreshRate(bool* aMixed) override;

  NS_IMETHOD GetTextScaleFactor(float* aOutValue) override;

  static void AddCollector(GfxInfoCollectorBase* collector);

  static void RemoveCollector(GfxInfoCollectorBase* collector);

  static nsTArray<GfxDriverInfo>* sDriverInfo;

  static StaticAutoPtr<nsTArray<mozilla::gfx::GfxInfoFeatureStatus>>

      sFeatureStatus;

  static bool sDriverInfoObserverInitialized;

  static bool sShutdownOccurred;

  virtual nsString Model() { return u""_ns; }

  virtual nsString Hardware() { return u""_ns; }

  virtual nsString Product() { return u""_ns; }

  virtual nsString Manufacturer() { return u""_ns; }

  virtual uint32_t OperatingSystemVersion() { return 0; }

  virtual uint32_t OperatingSystemBuild() { return 0; }

  // Convenience to get the application version

  static const nsCString& GetApplicationVersion();

  virtual nsresult FindMonitors(JSContext* cx, JS::Handle<JSObject*> array);

  static void SetFeatureStatus(

      nsTArray<mozilla::gfx::GfxInfoFeatureStatus>&& aFS);

  static bool OnlyAllowFeatureOnKnownConfig(int32_t aFeature);

 protected:

  virtual ~GfxInfoBase();

  virtual OperatingSystem GetOperatingSystem() = 0;

  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);

  virtual bool DoesWindowProtocolMatch(

      const nsAString& aBlocklistWindowProtocol,

      const nsAString& aWindowProtocol);

  bool DoesVendorMatch(const nsAString& aBlocklistVendor,

                       const nsAString& aAdapterVendor);

  virtual bool DoesDriverVendorMatch(const nsAString& aBlocklistVendor,

                                     const nsAString& aDriverVendor);

  bool InitFeatureObject(JSContext* aCx, JS::Handle<JSObject*> aContainer,

                         const char* aName,

                         mozilla::gfx::FeatureState& aFeatureState,

                         JS::MutableHandle<JSObject*> aOutObj);

  NS_IMETHOD ControlGPUProcessForXPCShell(bool aEnable, bool* _retval) override;

  NS_IMETHOD KillGPUProcessForTests() override;

  NS_IMETHOD CrashGPUProcessForTests() override;

  // Total number of pixels for all detected screens at startup.

  int64_t mScreenPixels;

 private:

  virtual int32_t FindBlocklistedDeviceInList(

      const nsTArray<GfxDriverInfo>& aDriverInfo, nsAString& aSuggestedVersion,

      int32_t aFeature, nsACString& aFailureId, OperatingSystem os,

      bool aForAllowing);

  std::pair<nsIGfxInfo::FontVisibilityDeviceDetermination, nsString>*

  GetFontVisibilityDeterminationPair();

  bool IsFeatureAllowlisted(int32_t aFeature) const;

  void EvaluateDownloadedBlocklist(nsTArray<GfxDriverInfo>& aDriverInfo);

  bool BuildFeatureStateLog(JSContext* aCx, const gfx::FeatureState& aFeature,

                            JS::MutableHandle<JS::Value> aOut);

  Mutex mMutex MOZ_UNANNOTATED;

};

}  // namespace widget

}  // namespace mozilla

#endif /* __mozilla_widget_GfxInfoBase_h__ */