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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/windows/ia2/ia2AccessibleValue.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/windows/ia2/ia2AccessibleValue.cpp')
-rw-r--r--accessible/windows/ia2/ia2AccessibleValue.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleValue.cpp b/accessible/windows/ia2/ia2AccessibleValue.cpp
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index 000000000..e33442295
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+++ b/accessible/windows/ia2/ia2AccessibleValue.cpp
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+/* -*- 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 "ia2AccessibleValue.h"
+
+#include "AccessibleValue_i.c"
+
+#include "AccessibleWrap.h"
+#include "Accessible-inl.h"
+#include "IUnknownImpl.h"
+
+#include "mozilla/FloatingPoint.h"
+
+using namespace mozilla::a11y;
+
+// IUnknown
+
+STDMETHODIMP
+ia2AccessibleValue::QueryInterface(REFIID iid, void** ppv)
+{
+ if (!ppv)
+ return E_INVALIDARG;
+
+ *ppv = nullptr;
+
+ if (IID_IAccessibleValue == iid) {
+ AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
+ if (valueAcc->HasNumericValue()) {
+ *ppv = static_cast<IAccessibleValue*>(this);
+ valueAcc->AddRef();
+ return S_OK;
+ }
+
+ return E_NOINTERFACE;
+ }
+
+ return E_NOINTERFACE;
+}
+
+// IAccessibleValue
+
+STDMETHODIMP
+ia2AccessibleValue::get_currentValue(VARIANT* aCurrentValue)
+{
+ A11Y_TRYBLOCK_BEGIN
+
+ if (!aCurrentValue)
+ return E_INVALIDARG;
+
+ VariantInit(aCurrentValue);
+
+ AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
+ double currentValue;
+ MOZ_ASSERT(!valueAcc->IsProxy());
+ if (valueAcc->IsDefunct()) {
+ return CO_E_OBJNOTCONNECTED;
+ }
+
+ currentValue = valueAcc->CurValue();
+
+ if (IsNaN(currentValue))
+ return S_FALSE;
+
+ aCurrentValue->vt = VT_R8;
+ aCurrentValue->dblVal = currentValue;
+ return S_OK;
+
+ A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+ia2AccessibleValue::setCurrentValue(VARIANT aValue)
+{
+ A11Y_TRYBLOCK_BEGIN
+
+ if (aValue.vt != VT_R8)
+ return E_INVALIDARG;
+
+ AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
+ MOZ_ASSERT(!valueAcc->IsProxy());
+
+ if (valueAcc->IsDefunct())
+ return CO_E_OBJNOTCONNECTED;
+
+ return valueAcc->SetCurValue(aValue.dblVal) ? S_OK : E_FAIL;
+
+ A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+ia2AccessibleValue::get_maximumValue(VARIANT* aMaximumValue)
+{
+ A11Y_TRYBLOCK_BEGIN
+
+ if (!aMaximumValue)
+ return E_INVALIDARG;
+
+ VariantInit(aMaximumValue);
+
+ AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
+ double maximumValue;
+ MOZ_ASSERT(!valueAcc->IsProxy());
+ if (valueAcc->IsDefunct()) {
+ return CO_E_OBJNOTCONNECTED;
+ }
+
+ maximumValue = valueAcc->MaxValue();
+
+ if (IsNaN(maximumValue))
+ return S_FALSE;
+
+ aMaximumValue->vt = VT_R8;
+ aMaximumValue->dblVal = maximumValue;
+ return S_OK;
+
+ A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+ia2AccessibleValue::get_minimumValue(VARIANT* aMinimumValue)
+{
+ A11Y_TRYBLOCK_BEGIN
+
+ if (!aMinimumValue)
+ return E_INVALIDARG;
+
+ VariantInit(aMinimumValue);
+
+ AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
+ double minimumValue;
+ MOZ_ASSERT(!valueAcc->IsProxy());
+ if (valueAcc->IsDefunct()) {
+ return CO_E_OBJNOTCONNECTED;
+ }
+
+ minimumValue = valueAcc->MinValue();
+
+ if (IsNaN(minimumValue))
+ return S_FALSE;
+
+ aMinimumValue->vt = VT_R8;
+ aMinimumValue->dblVal = minimumValue;
+ return S_OK;
+
+ A11Y_TRYBLOCK_END
+}
+