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1 : /* vim: se cin sw=2 ts=2 et : */
2 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 :
8 : #ifndef __mozilla_widget_GfxInfoBase_h__
9 : #define __mozilla_widget_GfxInfoBase_h__
10 :
11 : #include "GfxDriverInfo.h"
12 : #include "GfxInfoCollector.h"
13 : #include "gfxFeature.h"
14 : #include "gfxTelemetry.h"
15 : #include "js/Value.h"
16 : #include "mozilla/Attributes.h"
17 : #include "mozilla/Maybe.h"
18 : #include "mozilla/Mutex.h"
19 : #include "mozilla/dom/PContentParent.h"
20 : #include "nsCOMPtr.h"
21 : #include "nsIGfxInfo.h"
22 : #include "nsIGfxInfoDebug.h"
23 : #include "nsIObserver.h"
24 : #include "nsString.h"
25 : #include "nsTArray.h"
26 : #include "nsWeakReference.h"
27 :
28 : namespace mozilla {
29 : namespace widget {
30 :
31 : class GfxInfoBase : public nsIGfxInfo,
32 : public nsIObserver,
33 : public nsSupportsWeakReference
34 : #ifdef DEBUG
35 : , public nsIGfxInfoDebug
36 : #endif
37 : {
38 : public:
39 : GfxInfoBase();
40 :
41 : NS_DECL_THREADSAFE_ISUPPORTS
42 : NS_DECL_NSIOBSERVER
43 :
44 : // We only declare a subset of the nsIGfxInfo interface. It's up to derived
45 : // classes to implement the rest of the interface.
46 : // Derived classes need to use
47 : // using GfxInfoBase::GetFeatureStatus;
48 : // using GfxInfoBase::GetFeatureSuggestedDriverVersion;
49 : // using GfxInfoBase::GetWebGLParameter;
50 : // to import the relevant methods into their namespace.
51 : NS_IMETHOD GetFeatureStatus(int32_t aFeature, nsACString& aFailureId, int32_t *_retval) override;
52 : NS_IMETHOD GetFeatureSuggestedDriverVersion(int32_t aFeature, nsAString & _retval) override;
53 : NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval) override;
54 :
55 : NS_IMETHOD GetMonitors(JSContext* cx, JS::MutableHandleValue _retval) override;
56 : NS_IMETHOD GetFailures(uint32_t *failureCount, int32_t** indices, char ***failures) override;
57 : NS_IMETHOD_(void) LogFailure(const nsACString &failure) override;
58 : NS_IMETHOD GetInfo(JSContext*, JS::MutableHandle<JS::Value>) override;
59 : NS_IMETHOD GetFeatures(JSContext*, JS::MutableHandle<JS::Value>) override;
60 : NS_IMETHOD GetFeatureLog(JSContext*, JS::MutableHandle<JS::Value>) override;
61 : NS_IMETHOD GetActiveCrashGuards(JSContext*, JS::MutableHandle<JS::Value>) override;
62 : NS_IMETHOD GetContentBackend(nsAString & aContentBackend) override;
63 : NS_IMETHOD GetUsingGPUProcess(bool *aOutValue) override;
64 : NS_IMETHOD GetWebRenderEnabled(bool* aWebRenderEnabled) override;
65 :
66 : // Initialization function. If you override this, you must call this class's
67 : // version of Init first.
68 : // We need Init to be called separately from the constructor so we can
69 : // register as an observer after all derived classes have been constructed
70 : // and we know we have a non-zero refcount.
71 : // Ideally, Init() would be void-return, but the rules of
72 : // NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return.
73 : virtual nsresult Init();
74 :
75 : // only useful on X11
76 0 : NS_IMETHOD_(void) GetData() override { }
77 :
78 : static void AddCollector(GfxInfoCollectorBase* collector);
79 : static void RemoveCollector(GfxInfoCollectorBase* collector);
80 :
81 : static nsTArray<GfxDriverInfo>* mDriverInfo;
82 : static nsTArray<mozilla::dom::GfxInfoFeatureStatus>* mFeatureStatus;
83 : static bool mDriverInfoObserverInitialized;
84 : static bool mShutdownOccurred;
85 :
86 0 : virtual nsString Model() { return EmptyString(); }
87 0 : virtual nsString Hardware() { return EmptyString(); }
88 0 : virtual nsString Product() { return EmptyString(); }
89 0 : virtual nsString Manufacturer() { return EmptyString(); }
90 0 : virtual uint32_t OperatingSystemVersion() { return 0; }
91 :
92 : // Convenience to get the application version
93 : static const nsCString& GetApplicationVersion();
94 :
95 0 : virtual nsresult FindMonitors(JSContext* cx, JS::HandleObject array) {
96 0 : return NS_ERROR_NOT_IMPLEMENTED;
97 : }
98 :
99 : static void SetFeatureStatus(
100 : const nsTArray<mozilla::dom::GfxInfoFeatureStatus>& aFS);
101 :
102 : protected:
103 :
104 : virtual ~GfxInfoBase();
105 :
106 : virtual nsresult GetFeatureStatusImpl(int32_t aFeature, int32_t* aStatus,
107 : nsAString& aSuggestedDriverVersion,
108 : const nsTArray<GfxDriverInfo>& aDriverInfo,
109 : nsACString& aFailureId,
110 : OperatingSystem* aOS = nullptr);
111 :
112 : // Gets the driver info table. Used by GfxInfoBase to check for general cases
113 : // (while subclasses check for more specific ones).
114 : virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0;
115 :
116 : virtual void DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> obj);
117 : bool InitFeatureObject(
118 : JSContext* aCx,
119 : JS::Handle<JSObject*> aContainer,
120 : const char* aName,
121 : int32_t aFeature,
122 : const Maybe<mozilla::gfx::FeatureStatus>& aKnownStatus,
123 : JS::MutableHandle<JSObject*> aOutObj);
124 :
125 : NS_IMETHOD ControlGPUProcessForXPCShell(bool aEnable, bool *_retval) override;
126 :
127 : private:
128 : virtual int32_t FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo,
129 : nsAString& aSuggestedVersion,
130 : int32_t aFeature,
131 : nsACString &aFailureId,
132 : OperatingSystem os);
133 :
134 : void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo);
135 :
136 : bool BuildFeatureStateLog(JSContext* aCx, const gfx::FeatureState& aFeature,
137 : JS::MutableHandle<JS::Value> aOut);
138 :
139 : Mutex mMutex;
140 :
141 : };
142 :
143 : } // namespace widget
144 : } // namespace mozilla
145 :
146 : #endif /* __mozilla_widget_GfxInfoBase_h__ */
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