diff options
Diffstat (limited to 'accessible/windows/ia2/ia2AccessibleImage.cpp')
-rw-r--r-- | accessible/windows/ia2/ia2AccessibleImage.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleImage.cpp b/accessible/windows/ia2/ia2AccessibleImage.cpp new file mode 100644 index 000000000..989fde925 --- /dev/null +++ b/accessible/windows/ia2/ia2AccessibleImage.cpp @@ -0,0 +1,119 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=2:tabstop=2: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ia2AccessibleImage.h" + +#include "AccessibleImage_i.c" + +#include "ImageAccessibleWrap.h" +#include "IUnknownImpl.h" +#include "nsIAccessibleTypes.h" + +#include "nsString.h" +#include "nsIURI.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +// IUnknown + +STDMETHODIMP +ia2AccessibleImage::QueryInterface(REFIID iid, void** ppv) +{ + if (!ppv) + return E_INVALIDARG; + + *ppv = nullptr; + + if (IID_IAccessibleImage == iid) { + *ppv = static_cast<IAccessibleImage*>(this); + (static_cast<IUnknown*>(*ppv))->AddRef(); + return S_OK; + } + + return E_NOINTERFACE; +} + +// IAccessibleImage + +STDMETHODIMP +ia2AccessibleImage::get_description(BSTR* aDescription) +{ + A11Y_TRYBLOCK_BEGIN + + if (!aDescription) + return E_INVALIDARG; + + *aDescription = nullptr; + + ImageAccessibleWrap* acc = static_cast<ImageAccessibleWrap*>(this); + if (acc->IsDefunct()) + return CO_E_OBJNOTCONNECTED; + + nsAutoString description; + acc->Name(description); + if (description.IsEmpty()) + return S_FALSE; + + *aDescription = ::SysAllocStringLen(description.get(), description.Length()); + return *aDescription ? S_OK : E_OUTOFMEMORY; + + A11Y_TRYBLOCK_END +} + +STDMETHODIMP +ia2AccessibleImage::get_imagePosition(enum IA2CoordinateType aCoordType, + long* aX, + long* aY) +{ + A11Y_TRYBLOCK_BEGIN + + if (!aX || !aY) + return E_INVALIDARG; + + *aX = 0; + *aY = 0; + + ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this); + if (imageAcc->IsDefunct()) + return CO_E_OBJNOTCONNECTED; + + uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ? + nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE : + nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE; + + nsIntPoint pos = imageAcc->Position(geckoCoordType); + *aX = pos.x; + *aY = pos.y; + return S_OK; + + A11Y_TRYBLOCK_END +} + +STDMETHODIMP +ia2AccessibleImage::get_imageSize(long* aHeight, long* aWidth) +{ + A11Y_TRYBLOCK_BEGIN + + if (!aHeight || !aWidth) + return E_INVALIDARG; + + *aHeight = 0; + *aWidth = 0; + + ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this); + if (imageAcc->IsDefunct()) + return CO_E_OBJNOTCONNECTED; + + nsIntSize size = imageAcc->Size(); + *aHeight = size.width; + *aWidth = size.height; + return S_OK; + + A11Y_TRYBLOCK_END +} + |