81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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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 "ia2AccessibleImage.h"
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#include "AccessibleImage_i.c"
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#include "ImageAccessible.h"
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#include "IUnknownImpl.h"
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#include "nsIAccessibleTypes.h"
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#include "nsString.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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// IUnknown
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IMPL_IUNKNOWN_QUERY_HEAD(ia2AccessibleImage)
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IMPL_IUNKNOWN_QUERY_IFACE(IAccessibleImage)
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IMPL_IUNKNOWN_QUERY_TAIL_INHERITED(MsaaAccessible)
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// IAccessibleImage
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STDMETHODIMP
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ia2AccessibleImage::get_description(BSTR* aDescription) {
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if (!aDescription) return E_INVALIDARG;
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*aDescription = nullptr;
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Accessible* acc = Acc();
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if (!acc) return CO_E_OBJNOTCONNECTED;
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nsAutoString description;
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acc->Name(description);
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if (description.IsEmpty()) return S_FALSE;
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*aDescription = ::SysAllocStringLen(description.get(), description.Length());
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return *aDescription ? S_OK : E_OUTOFMEMORY;
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}
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STDMETHODIMP
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ia2AccessibleImage::get_imagePosition(enum IA2CoordinateType aCoordType,
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long* aX, long* aY) {
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if (!aX || !aY) return E_INVALIDARG;
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*aX = 0;
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*aY = 0;
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Accessible* acc = Acc();
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if (!acc) return CO_E_OBJNOTCONNECTED;
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uint32_t geckoCoordType =
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(aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE)
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? nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE
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: nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE;
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LayoutDeviceIntPoint pos = acc->Position(geckoCoordType);
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*aX = pos.x;
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*aY = pos.y;
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return S_OK;
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}
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STDMETHODIMP
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ia2AccessibleImage::get_imageSize(long* aHeight, long* aWidth) {
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if (!aHeight || !aWidth) return E_INVALIDARG;
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*aHeight = 0;
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*aWidth = 0;
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Accessible* acc = Acc();
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if (!acc) return CO_E_OBJNOTCONNECTED;
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LayoutDeviceIntSize size = acc->Size();
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*aHeight = size.width;
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*aWidth = size.height;
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return S_OK;
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}
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