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 "ia2AccessibleAction.h"
michael@0: 
michael@0: #include "AccessibleAction_i.c"
michael@0: 
michael@0: #include "AccessibleWrap.h"
michael@0: #include "IUnknownImpl.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: // IUnknown
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::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_IAccessibleAction == iid) {
michael@0:     *ppv = static_cast<IAccessibleAction*>(this);
michael@0:     (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
michael@0:     return S_OK;
michael@0:   }
michael@0: 
michael@0:   return E_NOINTERFACE;
michael@0: }
michael@0: 
michael@0: // IAccessibleAction
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::nActions(long* aActionCount)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aActionCount)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aActionCount = 0;
michael@0: 
michael@0:   AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   *aActionCount = acc->ActionCount();
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::doAction(long aActionIndex)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0:   nsresult rv = acc->DoAction(index);
michael@0:   return GetHRESULT(rv);
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::get_description(long aActionIndex, 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:   AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   nsAutoString description;
michael@0:   uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0:   nsresult rv = acc->GetActionDescription(index, 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(),
michael@0:                                       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: ia2AccessibleAction::get_keyBinding(long aActionIndex, long aNumMaxBinding,
michael@0:                                   BSTR **aKeyBinding,
michael@0:                                   long *aNumBinding)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aKeyBinding)
michael@0:     return E_INVALIDARG;
michael@0:   *aKeyBinding = nullptr;
michael@0: 
michael@0:   if (!aNumBinding)
michael@0:     return E_INVALIDARG;
michael@0:   *aNumBinding = 0;
michael@0: 
michael@0:   if (aActionIndex != 0 || aNumMaxBinding < 1)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   // Expose keyboard shortcut if it's not exposed via MSAA keyboard shortcut.
michael@0:   KeyBinding keyBinding = acc->AccessKey();
michael@0:   if (keyBinding.IsEmpty())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   keyBinding = acc->KeyboardShortcut();
michael@0:   if (keyBinding.IsEmpty())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   nsAutoString keyStr;
michael@0:   keyBinding.ToString(keyStr);
michael@0: 
michael@0:   *aKeyBinding = static_cast<BSTR*>(::CoTaskMemAlloc(sizeof(BSTR*)));
michael@0:   if (!*aKeyBinding)
michael@0:     return E_OUTOFMEMORY;
michael@0: 
michael@0:   *(aKeyBinding[0]) = ::SysAllocStringLen(keyStr.get(), keyStr.Length());
michael@0:   if (!*(aKeyBinding[0])) {
michael@0:     ::CoTaskMemFree(*aKeyBinding);
michael@0:     return E_OUTOFMEMORY;
michael@0:   }
michael@0: 
michael@0:   *aNumBinding = 1;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::get_name(long aActionIndex, BSTR *aName)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aName)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aName = nullptr;
michael@0: 
michael@0:   AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   nsAutoString name;
michael@0:   uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0:   nsresult rv = acc->GetActionName(index, name);
michael@0:   if (NS_FAILED(rv))
michael@0:     return GetHRESULT(rv);
michael@0: 
michael@0:   if (name.IsEmpty())
michael@0:     return S_FALSE;
michael@0: 
michael@0:   *aName = ::SysAllocStringLen(name.get(), name.Length());
michael@0:   return *aName ? S_OK : E_OUTOFMEMORY;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleAction::get_localizedName(long aActionIndex, BSTR *aLocalizedName)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aLocalizedName)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *aLocalizedName = nullptr;
michael@0:   return E_NOTIMPL;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }