gfx/src/nsThebesGfxFactory.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "mozilla/ModuleUtils.h"
   7 #include "mozilla/Attributes.h"
   8 #include "nsCOMPtr.h"
   9 #include "nsGfxCIID.h"
  10
  11 #include "nsThebesFontEnumerator.h"
  12 #include "nsScriptableRegion.h"
  13
  14 #include "gfxPlatform.h"
  15
  16 // This class doesn't do anything; its only purpose is to give
  17 // gfxPlatform::Init a way to force this component to be registered,
  18 // so that gfxPlatform::Shutdown will be called at an appropriate
  19 // time.  (Component teardown is the only shutdown hook that runs
  20 // late enough; see bug 651498.)
  21
  22 namespace {
  23 class GfxInitialization MOZ_FINAL : public nsISupports {
  24     NS_DECL_ISUPPORTS
  25 };
  26
  27 NS_IMPL_ISUPPORTS0(GfxInitialization)
  28 }
  29
  30 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesFontEnumerator)
  31
  32 static nsresult
  33 nsScriptableRegionConstructor(nsISupports *aOuter, REFNSIID aIID, void **aResult)
  34 {
  35   if (!aResult) {
  36     return NS_ERROR_NULL_POINTER;
  37   }
  38   *aResult = nullptr;
  39   if (aOuter) {
  40     return NS_ERROR_NO_AGGREGATION;
  41   }
  42
  43   nsCOMPtr<nsIScriptableRegion> scriptableRgn = new nsScriptableRegion();
  44   return scriptableRgn->QueryInterface(aIID, aResult);
  45 }
  46
  47 NS_GENERIC_FACTORY_CONSTRUCTOR(GfxInitialization)
  48
  49 NS_DEFINE_NAMED_CID(NS_FONT_ENUMERATOR_CID);
  50 NS_DEFINE_NAMED_CID(NS_SCRIPTABLE_REGION_CID);
  51 NS_DEFINE_NAMED_CID(NS_GFX_INITIALIZATION_CID);
  52
  53 static const mozilla::Module::CIDEntry kThebesCIDs[] = {
  54     { &kNS_FONT_ENUMERATOR_CID, false, NULL, nsThebesFontEnumeratorConstructor },
  55     { &kNS_SCRIPTABLE_REGION_CID, false, NULL, nsScriptableRegionConstructor },
  56     { &kNS_GFX_INITIALIZATION_CID, false, NULL, GfxInitializationConstructor },
  57     { NULL }
  58 };
  59
  60 static const mozilla::Module::ContractIDEntry kThebesContracts[] = {
  61     { "@mozilla.org/gfx/fontenumerator;1", &kNS_FONT_ENUMERATOR_CID },
  62     { "@mozilla.org/gfx/region;1", &kNS_SCRIPTABLE_REGION_CID },
  63     { "@mozilla.org/gfx/init;1", &kNS_GFX_INITIALIZATION_CID },
  64     { NULL }
  65 };
  66
  67 static void
  68 nsThebesGfxModuleDtor()
  69 {
  70     gfxPlatform::Shutdown();
  71 }
  72
  73 static const mozilla::Module kThebesModule = {
  74     mozilla::Module::kVersion,
  75     kThebesCIDs,
  76     kThebesContracts,
  77     NULL,
  78     NULL,
  79     NULL,
  80     nsThebesGfxModuleDtor
  81 };
  82
  83 NSMODULE_DEFN(nsGfxModule) = &kThebesModule;