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Diffstat (limited to '')
-rw-r--r-- | accessible/windows/ia2/ia2AccessibleHyperlink.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleHyperlink.cpp b/accessible/windows/ia2/ia2AccessibleHyperlink.cpp new file mode 100644 index 0000000000..9d71cfb411 --- /dev/null +++ b/accessible/windows/ia2/ia2AccessibleHyperlink.cpp @@ -0,0 +1,164 @@ +/* -*- 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 "AccessibleHyperlink.h" +#include "AccessibleHyperlink_i.c" + +#include "AccessibleWrap.h" +#include "IUnknownImpl.h" +#include "nsIURI.h" + +using namespace mozilla::a11y; + +Accessible* ia2AccessibleHyperlink::Acc() { + return static_cast<MsaaAccessible*>(this)->Acc(); +} + +AccessibleWrap* ia2AccessibleHyperlink::LocalAcc() { + return static_cast<MsaaAccessible*>(this)->LocalAcc(); +} + +// IUnknown + +STDMETHODIMP +ia2AccessibleHyperlink::QueryInterface(REFIID iid, void** ppv) { + if (!ppv) return E_INVALIDARG; + + *ppv = nullptr; + + if (IID_IAccessibleHyperlink == iid) { + Accessible* acc = Acc(); + if (!acc || !acc->IsLink()) { + return E_NOINTERFACE; + } + + *ppv = static_cast<IAccessibleHyperlink*>(this); + (reinterpret_cast<IUnknown*>(*ppv))->AddRef(); + return S_OK; + } + + return ia2AccessibleAction::QueryInterface(iid, ppv); +} + +// IAccessibleHyperlink + +STDMETHODIMP +ia2AccessibleHyperlink::get_anchor(long aIndex, VARIANT* aAnchor) { + if (!aAnchor) return E_INVALIDARG; + + VariantInit(aAnchor); + + Accessible* thisObj = Acc(); + if (!thisObj) { + return CO_E_OBJNOTCONNECTED; + } + + if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount())) + return E_INVALIDARG; + + if (!thisObj->IsLink()) return S_FALSE; + + Accessible* anchor = thisObj->AnchorAt(aIndex); + if (!anchor) return S_FALSE; + + RefPtr<IAccessible> result = MsaaAccessible::GetFrom(anchor); + result.forget(&aAnchor->punkVal); + aAnchor->vt = VT_UNKNOWN; + return S_OK; +} + +STDMETHODIMP +ia2AccessibleHyperlink::get_anchorTarget(long aIndex, VARIANT* aAnchorTarget) { + if (!aAnchorTarget) { + return E_INVALIDARG; + } + + VariantInit(aAnchorTarget); + + Accessible* thisObj = Acc(); + if (!thisObj) { + return CO_E_OBJNOTCONNECTED; + } + nsAutoCString uriStr; + + if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount())) { + return E_INVALIDARG; + } + + if (!thisObj->IsLink()) { + return S_FALSE; + } + + nsCOMPtr<nsIURI> uri = thisObj->AnchorURIAt(aIndex); + if (!uri) { + return S_FALSE; + } + + nsresult rv = uri->GetSpec(uriStr); + if (NS_FAILED(rv)) { + return GetHRESULT(rv); + } + + nsAutoString stringURI; + AppendUTF8toUTF16(uriStr, stringURI); + + aAnchorTarget->vt = VT_BSTR; + aAnchorTarget->bstrVal = + ::SysAllocStringLen(stringURI.get(), stringURI.Length()); + return aAnchorTarget->bstrVal ? S_OK : E_OUTOFMEMORY; +} + +STDMETHODIMP +ia2AccessibleHyperlink::get_startIndex(long* aIndex) { + if (!aIndex) return E_INVALIDARG; + + *aIndex = 0; + + Accessible* thisObj = Acc(); + if (!thisObj) { + return CO_E_OBJNOTCONNECTED; + } + + if (!thisObj->IsLink()) return S_FALSE; + + *aIndex = thisObj->StartOffset(); + return S_OK; +} + +STDMETHODIMP +ia2AccessibleHyperlink::get_endIndex(long* aIndex) { + if (!aIndex) return E_INVALIDARG; + + *aIndex = 0; + + Accessible* thisObj = Acc(); + if (!thisObj) { + return CO_E_OBJNOTCONNECTED; + } + + if (!thisObj->IsLink()) return S_FALSE; + + *aIndex = thisObj->EndOffset(); + return S_OK; +} + +STDMETHODIMP +ia2AccessibleHyperlink::get_valid(boolean* aValid) { + if (!aValid) return E_INVALIDARG; + + *aValid = false; + + Accessible* thisObj = Acc(); + if (!thisObj) { + return CO_E_OBJNOTCONNECTED; + } + + if (!thisObj->IsLink()) return S_FALSE; + + *aValid = thisObj->IsLinkValid(); + return S_OK; +} |