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 "Accessible2.h"
michael@0: #include "AccessibleHyperlink.h"
michael@0: #include "AccessibleHyperlink_i.c"
michael@0: 
michael@0: #include "AccessibleWrap.h"
michael@0: #include "IUnknownImpl.h"
michael@0: #include "nsIURI.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: // IUnknown
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::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_IAccessibleHyperlink == iid) {
michael@0:     if (!static_cast<AccessibleWrap*>(this)->IsLink())
michael@0:       return E_NOINTERFACE;
michael@0: 
michael@0:     *ppv = static_cast<IAccessibleHyperlink*>(this);
michael@0:     (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
michael@0:     return S_OK;
michael@0:   }
michael@0: 
michael@0:   return ia2AccessibleAction::QueryInterface(iid, ppv);
michael@0: }
michael@0: 
michael@0: // IAccessibleHyperlink
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::get_anchor(long aIndex, VARIANT* aAnchor)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aAnchor)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   VariantInit(aAnchor);
michael@0: 
michael@0:   Accessible* thisObj = static_cast<AccessibleWrap*>(this);
michael@0:   if (thisObj->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   if (!thisObj->IsLink())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   AccessibleWrap* anchor =
michael@0:     static_cast<AccessibleWrap*>(thisObj->AnchorAt(aIndex));
michael@0:   if (!anchor)
michael@0:     return S_FALSE;
michael@0: 
michael@0:   void* instancePtr = nullptr;
michael@0:   HRESULT result = anchor->QueryInterface(IID_IUnknown, &instancePtr);
michael@0:   if (FAILED(result))
michael@0:     return result;
michael@0: 
michael@0:   IUnknown* unknownPtr = static_cast<IUnknown*>(instancePtr);
michael@0:   aAnchor->ppunkVal = &unknownPtr;
michael@0:   aAnchor->vt = VT_UNKNOWN;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::get_anchorTarget(long aIndex, VARIANT* aAnchorTarget)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aAnchorTarget)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   VariantInit(aAnchorTarget);
michael@0: 
michael@0:   Accessible* thisObj = static_cast<AccessibleWrap*>(this);
michael@0:   if (thisObj->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount()))
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   if (!thisObj->IsLink())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   nsCOMPtr<nsIURI> uri = thisObj->AnchorURIAt(aIndex);
michael@0:   if (!uri)
michael@0:     return S_FALSE;
michael@0: 
michael@0:   nsAutoCString prePath;
michael@0:   nsresult rv = uri->GetPrePath(prePath);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   nsAutoCString path;
michael@0:   rv = uri->GetPath(path);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   nsAutoString stringURI;
michael@0:   AppendUTF8toUTF16(prePath, stringURI);
michael@0:   AppendUTF8toUTF16(path, stringURI);
michael@0: 
michael@0:   aAnchorTarget->vt = VT_BSTR;
michael@0:   aAnchorTarget->bstrVal = ::SysAllocStringLen(stringURI.get(),
michael@0:                                                stringURI.Length());
michael@0:   return aAnchorTarget->bstrVal ? S_OK : E_OUTOFMEMORY;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::get_startIndex(long* aIndex)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aIndex)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aIndex = 0;
michael@0: 
michael@0:   Accessible* thisObj = static_cast<AccessibleWrap*>(this);
michael@0:   if (thisObj->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (!thisObj->IsLink())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   *aIndex = thisObj->StartOffset();
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::get_endIndex(long* aIndex)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aIndex)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aIndex = 0;
michael@0: 
michael@0:   Accessible* thisObj = static_cast<AccessibleWrap*>(this);
michael@0:   if (thisObj->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (!thisObj->IsLink())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   *aIndex = thisObj->EndOffset();
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleHyperlink::get_valid(boolean* aValid)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aValid)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aValid = false;
michael@0: 
michael@0:   Accessible* thisObj = static_cast<AccessibleWrap*>(this);
michael@0:   if (thisObj->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (!thisObj->IsLink())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   *aValid = thisObj->IsLinkValid();
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: