widget/xpwidgets/GfxInfoBase.h@97036ab72558 (annotated)
widget/xpwidgets/GfxInfoBase.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* vim: se cin sw=2 ts=2 et : */ |
| michael@0 | 2 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 3 | * |
| michael@0 | 4 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef __mozilla_widget_GfxInfoBase_h__ |
| michael@0 | 9 | #define __mozilla_widget_GfxInfoBase_h__ |
| michael@0 | 10 | |
| michael@0 | 11 | #include "nsIGfxInfo.h" |
| michael@0 | 12 | #include "nsCOMPtr.h" |
| michael@0 | 13 | #include "nsIObserver.h" |
| michael@0 | 14 | #include "nsWeakReference.h" |
| michael@0 | 15 | #include "GfxDriverInfo.h" |
| michael@0 | 16 | #include "nsTArray.h" |
| michael@0 | 17 | #include "nsString.h" |
| michael@0 | 18 | #include "GfxInfoCollector.h" |
| michael@0 | 19 | #include "nsIGfxInfoDebug.h" |
| michael@0 | 20 | #include "mozilla/Mutex.h" |
| michael@0 | 21 | #include "js/Value.h" |
| michael@0 | 22 | #include "mozilla/Attributes.h" |
| michael@0 | 23 | |
| michael@0 | 24 | namespace mozilla { |
| michael@0 | 25 | namespace widget { |
| michael@0 | 26 | |
| michael@0 | 27 | class GfxInfoBase : public nsIGfxInfo, |
| michael@0 | 28 | public nsIObserver, |
| michael@0 | 29 | public nsSupportsWeakReference |
| michael@0 | 30 | #ifdef DEBUG |
| michael@0 | 31 | , public nsIGfxInfoDebug |
| michael@0 | 32 | #endif |
| michael@0 | 33 | { |
| michael@0 | 34 | public: |
| michael@0 | 35 | GfxInfoBase(); |
| michael@0 | 36 | virtual ~GfxInfoBase(); |
| michael@0 | 37 | |
| michael@0 | 38 | NS_DECL_THREADSAFE_ISUPPORTS |
| michael@0 | 39 | NS_DECL_NSIOBSERVER |
| michael@0 | 40 | |
| michael@0 | 41 | // We only declare a subset of the nsIGfxInfo interface. It's up to derived |
| michael@0 | 42 | // classes to implement the rest of the interface. |
| michael@0 | 43 | // Derived classes need to use |
| michael@0 | 44 | // using GfxInfoBase::GetFeatureStatus; |
| michael@0 | 45 | // using GfxInfoBase::GetFeatureSuggestedDriverVersion; |
| michael@0 | 46 | // using GfxInfoBase::GetWebGLParameter; |
| michael@0 | 47 | // to import the relevant methods into their namespace. |
| michael@0 | 48 | NS_IMETHOD GetFeatureStatus(int32_t aFeature, int32_t *_retval); |
| michael@0 | 49 | NS_IMETHOD GetFeatureSuggestedDriverVersion(int32_t aFeature, nsAString & _retval); |
| michael@0 | 50 | NS_IMETHOD GetWebGLParameter(const nsAString & aParam, nsAString & _retval); |
| michael@0 | 51 | |
| michael@0 | 52 | NS_IMETHOD GetFailures(uint32_t *failureCount, char ***failures); |
| michael@0 | 53 | NS_IMETHOD_(void) LogFailure(const nsACString &failure); |
| michael@0 | 54 | NS_IMETHOD GetInfo(JSContext*, JS::MutableHandle<JS::Value>); |
| michael@0 | 55 | |
| michael@0 | 56 | // Initialization function. If you override this, you must call this class's |
| michael@0 | 57 | // version of Init first. |
| michael@0 | 58 | // We need Init to be called separately from the constructor so we can |
| michael@0 | 59 | // register as an observer after all derived classes have been constructed |
| michael@0 | 60 | // and we know we have a non-zero refcount. |
| michael@0 | 61 | // Ideally, Init() would be void-return, but the rules of |
| michael@0 | 62 | // NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return. |
| michael@0 | 63 | virtual nsresult Init(); |
| michael@0 | 64 | |
| michael@0 | 65 | // only useful on X11 |
| michael@0 | 66 | NS_IMETHOD_(void) GetData() { } |
| michael@0 | 67 | |
| michael@0 | 68 | static void AddCollector(GfxInfoCollectorBase* collector); |
| michael@0 | 69 | static void RemoveCollector(GfxInfoCollectorBase* collector); |
| michael@0 | 70 | |
| michael@0 | 71 | static nsTArray<GfxDriverInfo>* mDriverInfo; |
| michael@0 | 72 | static bool mDriverInfoObserverInitialized; |
| michael@0 | 73 | |
| michael@0 | 74 | virtual nsString Model() { return EmptyString(); } |
| michael@0 | 75 | virtual nsString Hardware() { return EmptyString(); } |
| michael@0 | 76 | virtual nsString Product() { return EmptyString(); } |
| michael@0 | 77 | virtual nsString Manufacturer() { return EmptyString(); } |
| michael@0 | 78 | virtual uint32_t OperatingSystemVersion() { return 0; } |
| michael@0 | 79 | |
| michael@0 | 80 | protected: |
| michael@0 | 81 | |
| michael@0 | 82 | virtual nsresult GetFeatureStatusImpl(int32_t aFeature, int32_t* aStatus, |
| michael@0 | 83 | nsAString& aSuggestedDriverVersion, |
| michael@0 | 84 | const nsTArray<GfxDriverInfo>& aDriverInfo, |
| michael@0 | 85 | OperatingSystem* aOS = nullptr); |
| michael@0 | 86 | |
| michael@0 | 87 | // Gets the driver info table. Used by GfxInfoBase to check for general cases |
| michael@0 | 88 | // (while subclasses check for more specific ones). |
| michael@0 | 89 | virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0; |
| michael@0 | 90 | |
| michael@0 | 91 | private: |
| michael@0 | 92 | virtual int32_t FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& aDriverInfo, |
| michael@0 | 93 | nsAString& aSuggestedVersion, |
| michael@0 | 94 | int32_t aFeature, |
| michael@0 | 95 | OperatingSystem os); |
| michael@0 | 96 | |
| michael@0 | 97 | void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo); |
| michael@0 | 98 | |
| michael@0 | 99 | nsCString mFailures[9]; // The choice of 9 is Ehsan's |
| michael@0 | 100 | uint32_t mFailureCount; |
| michael@0 | 101 | Mutex mMutex; |
| michael@0 | 102 | |
| michael@0 | 103 | }; |
| michael@0 | 104 | |
| michael@0 | 105 | } |
| michael@0 | 106 | } |
| michael@0 | 107 | |
| michael@0 | 108 | #endif /* __mozilla_widget_GfxInfoBase_h__ */ |
