The Tor Browser: accessible/src/windows/msaa/ApplicationAccessibleWrap.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim:expandtab:shiftwidth=4:tabstop=4:

     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/. */

     8 #include "ApplicationAccessibleWrap.h"

    10 #include "AccessibleApplication_i.c"

    11 #include "IUnknownImpl.h"

    13 #include "nsIGfxInfo.h"

    14 #include "nsIPersistentProperties2.h"

    15 #include "nsServiceManagerUtils.h"

    17 using namespace mozilla;

    18 using namespace mozilla::a11y;

    20 ////////////////////////////////////////////////////////////////////////////////

    21 // nsISupports

    22 NS_IMPL_ISUPPORTS_INHERITED0(ApplicationAccessibleWrap,

    23                              ApplicationAccessible)

    25 already_AddRefed<nsIPersistentProperties>

    26 ApplicationAccessibleWrap::NativeAttributes()

    27 {

    28   nsCOMPtr<nsIPersistentProperties> attributes =

    29     do_CreateInstance(NS_PERSISTENTPROPERTIES_CONTRACTID);

    31   nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");

    32   if (gfxInfo) {

    33     bool isD2DEnabled = false;

    34     gfxInfo->GetD2DEnabled(&isD2DEnabled);

    35     nsAutoString unused;

    36     attributes->SetStringProperty(

    37       NS_LITERAL_CSTRING("D2D"),

    38       isD2DEnabled ? NS_LITERAL_STRING("true") : NS_LITERAL_STRING("false"),

    39         unused);

    40   }

    42   return attributes.forget();

    43 }

    45 ////////////////////////////////////////////////////////////////////////////////

    46 // IUnknown

    48 STDMETHODIMP

    49 ApplicationAccessibleWrap::QueryInterface(REFIID iid, void** ppv)

    50 {

    51   if (!ppv)

    52     return E_INVALIDARG;

    54   *ppv = nullptr;

    56   if (IID_IAccessibleApplication == iid) {

    57     *ppv = static_cast<IAccessibleApplication*>(this);

    58     (reinterpret_cast<IUnknown*>(*ppv))->AddRef();

    59     return S_OK;

    60   }

    62   return AccessibleWrap::QueryInterface(iid, ppv);

    63 }

    65 ////////////////////////////////////////////////////////////////////////////////

    66 // IAccessibleApplication

    68 STDMETHODIMP

    69 ApplicationAccessibleWrap::get_appName(BSTR* aName)

    70 {

    71   A11Y_TRYBLOCK_BEGIN

    73   if (!aName)

    74     return E_INVALIDARG;

    76   *aName = nullptr;

    78   if (IsDefunct())

    79     return CO_E_OBJNOTCONNECTED;

    81   nsAutoString name;

    82   nsresult rv = GetAppName(name);

    83   if (NS_FAILED(rv))

    84     return GetHRESULT(rv);

    86   if (name.IsEmpty())

    87     return S_FALSE;

    89   *aName = ::SysAllocStringLen(name.get(), name.Length());

    90   return *aName ? S_OK : E_OUTOFMEMORY;

    92   A11Y_TRYBLOCK_END

    93 }

    95 STDMETHODIMP

    96 ApplicationAccessibleWrap::get_appVersion(BSTR* aVersion)

    97 {

    98   A11Y_TRYBLOCK_BEGIN

   100   if (!aVersion)

   101     return E_INVALIDARG;

   103   *aVersion = nullptr;

   105   if (IsDefunct())

   106     return CO_E_OBJNOTCONNECTED;

   108   nsAutoString version;

   109   nsresult rv = GetAppVersion(version);

   110   if (NS_FAILED(rv))

   111     return GetHRESULT(rv);

   113   if (version.IsEmpty())

   114     return S_FALSE;

   116   *aVersion = ::SysAllocStringLen(version.get(), version.Length());

   117   return *aVersion ? S_OK : E_OUTOFMEMORY;

   119   A11Y_TRYBLOCK_END

   120 }

   122 STDMETHODIMP

   123 ApplicationAccessibleWrap::get_toolkitName(BSTR* aName)

   124 {

   125   A11Y_TRYBLOCK_BEGIN

   127   if (!aName)

   128     return E_INVALIDARG;

   130   if (IsDefunct())

   131     return CO_E_OBJNOTCONNECTED;

   133   nsAutoString name;

   134   nsresult rv = GetPlatformName(name);

   135   if (NS_FAILED(rv))

   136     return GetHRESULT(rv);

   138   if (name.IsEmpty())

   139     return S_FALSE;

   141   *aName = ::SysAllocStringLen(name.get(), name.Length());

   142   return *aName ? S_OK : E_OUTOFMEMORY;

   144   A11Y_TRYBLOCK_END

   145 }

   147 STDMETHODIMP

   148 ApplicationAccessibleWrap::get_toolkitVersion(BSTR* aVersion)

   149 {

   150   A11Y_TRYBLOCK_BEGIN

   152   if (!aVersion)

   153     return E_INVALIDARG;

   155   *aVersion = nullptr;

   157   if (IsDefunct())

   158     return CO_E_OBJNOTCONNECTED;

   160   nsAutoString version;

   161   nsresult rv = GetPlatformVersion(version);

   162   if (NS_FAILED(rv))

   163     return GetHRESULT(rv);

   165   if (version.IsEmpty())

   166     return S_FALSE;

   168   *aVersion = ::SysAllocStringLen(version.get(), version.Length());

   169   return *aVersion ? S_OK : E_OUTOFMEMORY;

   171   A11Y_TRYBLOCK_END

   172 }

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