gfx/thebes/gfxQtPlatform.h@97036ab72558 (annotated)
gfx/thebes/gfxQtPlatform.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 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef GFX_PLATFORM_QT_H |
| michael@0 | 7 | #define GFX_PLATFORM_QT_H |
| michael@0 | 8 | |
| michael@0 | 9 | #include "gfxPlatform.h" |
| michael@0 | 10 | #include "nsAutoRef.h" |
| michael@0 | 11 | #include "nsDataHashtable.h" |
| michael@0 | 12 | #include "nsTArray.h" |
| michael@0 | 13 | #ifdef MOZ_X11 |
| michael@0 | 14 | #include "X11/Xlib.h" |
| michael@0 | 15 | #endif |
| michael@0 | 16 | |
| michael@0 | 17 | class gfxImageSurface; |
| michael@0 | 18 | class gfxFontconfigUtils; |
| michael@0 | 19 | class QWindow; |
| michael@0 | 20 | |
| michael@0 | 21 | class gfxQtPlatform : public gfxPlatform { |
| michael@0 | 22 | public: |
| michael@0 | 23 | gfxQtPlatform(); |
| michael@0 | 24 | virtual ~gfxQtPlatform(); |
| michael@0 | 25 | |
| michael@0 | 26 | static gfxQtPlatform *GetPlatform() { |
| michael@0 | 27 | return static_cast<gfxQtPlatform*>(gfxPlatform::GetPlatform()); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | virtual already_AddRefed<gfxASurface> |
| michael@0 | 31 | OptimizeImage(gfxImageSurface *aSurface, |
| michael@0 | 32 | gfxImageFormat format) MOZ_OVERRIDE; |
| michael@0 | 33 | virtual already_AddRefed<gfxASurface> |
| michael@0 | 34 | CreateOffscreenSurface(const IntSize& size, |
| michael@0 | 35 | gfxContentType contentType) MOZ_OVERRIDE; |
| michael@0 | 36 | |
| michael@0 | 37 | virtual mozilla::TemporaryRef<mozilla::gfx::ScaledFont> |
| michael@0 | 38 | GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont) MOZ_OVERRIDE; |
| michael@0 | 39 | |
| michael@0 | 40 | virtual nsresult GetFontList(nsIAtom *aLangGroup, |
| michael@0 | 41 | const nsACString& aGenericFamily, |
| michael@0 | 42 | nsTArray<nsString>& aListOfFonts) MOZ_OVERRIDE; |
| michael@0 | 43 | |
| michael@0 | 44 | virtual nsresult UpdateFontList() MOZ_OVERRIDE; |
| michael@0 | 45 | |
| michael@0 | 46 | virtual nsresult ResolveFontName(const nsAString& aFontName, |
| michael@0 | 47 | FontResolverCallback aCallback, |
| michael@0 | 48 | void *aClosure, bool& aAborted) MOZ_OVERRIDE; |
| michael@0 | 49 | |
| michael@0 | 50 | virtual nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) MOZ_OVERRIDE; |
| michael@0 | 51 | |
| michael@0 | 52 | virtual gfxFontGroup *CreateFontGroup(const nsAString &aFamilies, |
| michael@0 | 53 | const gfxFontStyle *aStyle, |
| michael@0 | 54 | gfxUserFontSet* aUserFontSet) MOZ_OVERRIDE; |
| michael@0 | 55 | |
| michael@0 | 56 | /** |
| michael@0 | 57 | * Look up a local platform font using the full font face name (needed to |
| michael@0 | 58 | * support @font-face src local() ) |
| michael@0 | 59 | */ |
| michael@0 | 60 | virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry, |
| michael@0 | 61 | const nsAString& aFontName) MOZ_OVERRIDE; |
| michael@0 | 62 | |
| michael@0 | 63 | /** |
| michael@0 | 64 | * Activate a platform font (needed to support @font-face src url() ) |
| michael@0 | 65 | * |
| michael@0 | 66 | */ |
| michael@0 | 67 | virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry, |
| michael@0 | 68 | const uint8_t *aFontData, |
| michael@0 | 69 | uint32_t aLength) MOZ_OVERRIDE; |
| michael@0 | 70 | |
| michael@0 | 71 | /** |
| michael@0 | 72 | * Check whether format is supported on a platform or not (if unclear, |
| michael@0 | 73 | * returns true). |
| michael@0 | 74 | */ |
| michael@0 | 75 | virtual bool IsFontFormatSupported(nsIURI *aFontURI, |
| michael@0 | 76 | uint32_t aFormatFlags) MOZ_OVERRIDE; |
| michael@0 | 77 | |
| michael@0 | 78 | virtual void ClearPrefFonts() { mPrefFonts.Clear(); } |
| michael@0 | 79 | |
| michael@0 | 80 | static int32_t GetDPI(); |
| michael@0 | 81 | |
| michael@0 | 82 | virtual gfxImageFormat GetOffscreenFormat() MOZ_OVERRIDE; |
| michael@0 | 83 | #ifdef MOZ_X11 |
| michael@0 | 84 | static Display* GetXDisplay(QWindow* aWindow = 0); |
| michael@0 | 85 | static Screen* GetXScreen(QWindow* aWindow = 0); |
| michael@0 | 86 | #endif |
| michael@0 | 87 | |
| michael@0 | 88 | virtual int GetScreenDepth() const MOZ_OVERRIDE; |
| michael@0 | 89 | |
| michael@0 | 90 | virtual bool SupportsOffMainThreadCompositing() MOZ_OVERRIDE; |
| michael@0 | 91 | |
| michael@0 | 92 | protected: |
| michael@0 | 93 | static gfxFontconfigUtils *sFontconfigUtils; |
| michael@0 | 94 | |
| michael@0 | 95 | private: |
| michael@0 | 96 | |
| michael@0 | 97 | bool UseXRender() { |
| michael@0 | 98 | #if defined(MOZ_X11) |
| michael@0 | 99 | if (GetContentBackend() != mozilla::gfx::BackendType::NONE && |
| michael@0 | 100 | GetContentBackend() != mozilla::gfx::BackendType::CAIRO) |
| michael@0 | 101 | return false; |
| michael@0 | 102 | |
| michael@0 | 103 | return sUseXRender; |
| michael@0 | 104 | #else |
| michael@0 | 105 | return false; |
| michael@0 | 106 | #endif |
| michael@0 | 107 | } |
| michael@0 | 108 | |
| michael@0 | 109 | virtual void GetPlatformCMSOutputProfile(void *&mem, size_t &size) MOZ_OVERRIDE; |
| michael@0 | 110 | |
| michael@0 | 111 | // TODO: unify this with mPrefFonts (NB: holds families, not fonts) in gfxPlatformFontList |
| michael@0 | 112 | nsDataHashtable<nsCStringHashKey, nsTArray<nsRefPtr<gfxFontEntry> > > mPrefFonts; |
| michael@0 | 113 | |
| michael@0 | 114 | int mScreenDepth; |
| michael@0 | 115 | #ifdef MOZ_X11 |
| michael@0 | 116 | static bool sUseXRender; |
| michael@0 | 117 | #endif |
| michael@0 | 118 | }; |
| michael@0 | 119 | |
| michael@0 | 120 | #endif /* GFX_PLATFORM_QT_H */ |
| michael@0 | 121 |
