michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:expandtab:shiftwidth=2:tabstop=2:
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "ia2AccessibleImage.h"
michael@0: 
michael@0: #include "AccessibleImage_i.c"
michael@0: 
michael@0: #include "ImageAccessibleWrap.h"
michael@0: #include "IUnknownImpl.h"
michael@0: #include "nsIAccessibleTypes.h"
michael@0: 
michael@0: #include "nsString.h"
michael@0: #include "nsIURI.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: // IUnknown
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleImage::QueryInterface(REFIID iid, void** ppv)
michael@0: {
michael@0:   if (!ppv)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *ppv = nullptr;
michael@0: 
michael@0:   if (IID_IAccessibleImage == iid) {
michael@0:     *ppv = static_cast<IAccessibleImage*>(this);
michael@0:     (static_cast<IUnknown*>(*ppv))->AddRef();
michael@0:     return S_OK;
michael@0:   }
michael@0: 
michael@0:   return E_NOINTERFACE;
michael@0: }
michael@0: 
michael@0: // IAccessibleImage
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleImage::get_description(BSTR* aDescription)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aDescription)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aDescription = nullptr;
michael@0: 
michael@0:   ImageAccessibleWrap* acc = static_cast<ImageAccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   nsAutoString description;
michael@0:   nsresult rv = acc->GetName(description);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   if (description.IsEmpty())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   *aDescription = ::SysAllocStringLen(description.get(), description.Length());
michael@0:   return *aDescription ? S_OK : E_OUTOFMEMORY;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleImage::get_imagePosition(enum IA2CoordinateType aCoordType,
michael@0:                                       long* aX,
michael@0:                                       long* aY)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aX || !aY)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aX = 0;
michael@0:   *aY = 0;
michael@0: 
michael@0:   ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this);
michael@0:   if (imageAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ?
michael@0:     nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE :
michael@0:     nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE;
michael@0:   int32_t x = 0, y = 0;
michael@0: 
michael@0:   nsresult rv = imageAcc->GetImagePosition(geckoCoordType, &x, &y);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   *aX = x;
michael@0:   *aY = y;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleImage::get_imageSize(long* aHeight, long* aWidth)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aHeight || !aWidth)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aHeight = 0;
michael@0:   *aWidth = 0;
michael@0: 
michael@0:   ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this);
michael@0:   if (imageAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   int32_t width = 0, height = 0;
michael@0:   nsresult rv = imageAcc->GetImageSize(&width, &height);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   *aHeight = width;
michael@0:   *aWidth = height;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: