зеркало из https://github.com/mozilla/gecko-dev.git
162 строки
3.6 KiB
C++
162 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ApplicationAccessibleWrap.h"
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#include "AccessibleApplication_i.c"
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#include "IUnknownImpl.h"
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#include "nsIGfxInfo.h"
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#include "nsIPersistentProperties2.h"
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#include "nsServiceManagerUtils.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// nsISupports
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NS_IMPL_ISUPPORTS_INHERITED0(ApplicationAccessibleWrap,
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ApplicationAccessible)
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already_AddRefed<nsIPersistentProperties>
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ApplicationAccessibleWrap::NativeAttributes()
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{
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nsCOMPtr<nsIPersistentProperties> attributes =
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do_CreateInstance(NS_PERSISTENTPROPERTIES_CONTRACTID);
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nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
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if (gfxInfo) {
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bool isD2DEnabled = false;
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gfxInfo->GetD2DEnabled(&isD2DEnabled);
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nsAutoString unused;
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attributes->SetStringProperty(
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NS_LITERAL_CSTRING("D2D"),
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isD2DEnabled ? NS_LITERAL_STRING("true") : NS_LITERAL_STRING("false"),
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unused);
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}
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return attributes.forget();
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}
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////////////////////////////////////////////////////////////////////////////////
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// IUnknown
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STDMETHODIMP
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ApplicationAccessibleWrap::QueryInterface(REFIID iid, void** ppv)
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{
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if (!ppv)
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return E_INVALIDARG;
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*ppv = nullptr;
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if (IID_IAccessibleApplication == iid) {
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*ppv = static_cast<IAccessibleApplication*>(this);
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(reinterpret_cast<IUnknown*>(*ppv))->AddRef();
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return S_OK;
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}
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return AccessibleWrap::QueryInterface(iid, ppv);
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}
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////////////////////////////////////////////////////////////////////////////////
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// IAccessibleApplication
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STDMETHODIMP
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ApplicationAccessibleWrap::get_appName(BSTR* aName)
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{
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A11Y_TRYBLOCK_BEGIN
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if (!aName)
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return E_INVALIDARG;
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*aName = nullptr;
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if (IsDefunct())
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return CO_E_OBJNOTCONNECTED;
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nsAutoString name;
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AppName(name);
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if (name.IsEmpty())
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return S_FALSE;
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*aName = ::SysAllocStringLen(name.get(), name.Length());
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return *aName ? S_OK : E_OUTOFMEMORY;
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A11Y_TRYBLOCK_END
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}
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STDMETHODIMP
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ApplicationAccessibleWrap::get_appVersion(BSTR* aVersion)
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{
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A11Y_TRYBLOCK_BEGIN
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if (!aVersion)
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return E_INVALIDARG;
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*aVersion = nullptr;
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if (IsDefunct())
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return CO_E_OBJNOTCONNECTED;
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nsAutoString version;
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AppVersion(version);
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if (version.IsEmpty())
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return S_FALSE;
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*aVersion = ::SysAllocStringLen(version.get(), version.Length());
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return *aVersion ? S_OK : E_OUTOFMEMORY;
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A11Y_TRYBLOCK_END
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}
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STDMETHODIMP
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ApplicationAccessibleWrap::get_toolkitName(BSTR* aName)
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{
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A11Y_TRYBLOCK_BEGIN
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if (!aName)
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return E_INVALIDARG;
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if (IsDefunct())
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return CO_E_OBJNOTCONNECTED;
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nsAutoString name;
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PlatformName(name);
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if (name.IsEmpty())
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return S_FALSE;
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*aName = ::SysAllocStringLen(name.get(), name.Length());
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return *aName ? S_OK : E_OUTOFMEMORY;
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A11Y_TRYBLOCK_END
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}
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STDMETHODIMP
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ApplicationAccessibleWrap::get_toolkitVersion(BSTR* aVersion)
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{
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A11Y_TRYBLOCK_BEGIN
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if (!aVersion)
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return E_INVALIDARG;
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*aVersion = nullptr;
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if (IsDefunct())
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return CO_E_OBJNOTCONNECTED;
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nsAutoString version;
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PlatformVersion(version);
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if (version.IsEmpty())
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return S_FALSE;
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*aVersion = ::SysAllocStringLen(version.get(), version.Length());
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return *aVersion ? S_OK : E_OUTOFMEMORY;
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A11Y_TRYBLOCK_END
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}
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