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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/generic/FormControlAccessible.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/generic/FormControlAccessible.cpp')
-rw-r--r--accessible/generic/FormControlAccessible.cpp193
1 files changed, 193 insertions, 0 deletions
diff --git a/accessible/generic/FormControlAccessible.cpp b/accessible/generic/FormControlAccessible.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+// NOTE: alphabetically ordered
+
+#include "FormControlAccessible.h"
+#include "Role.h"
+
+#include "mozilla/FloatingPoint.h"
+#include "nsIDOMHTMLFormElement.h"
+#include "nsIDOMXULElement.h"
+#include "nsIDOMXULControlElement.h"
+
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// ProgressMeterAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+template class mozilla::a11y::ProgressMeterAccessible<1>;
+template class mozilla::a11y::ProgressMeterAccessible<100>;
+
+////////////////////////////////////////////////////////////////////////////////
+// Accessible
+
+template<int Max>
+role
+ProgressMeterAccessible<Max>::NativeRole()
+{
+ return roles::PROGRESSBAR;
+}
+
+template<int Max>
+uint64_t
+ProgressMeterAccessible<Max>::NativeState()
+{
+ uint64_t state = LeafAccessible::NativeState();
+
+ // An undetermined progressbar (i.e. without a value) has a mixed state.
+ nsAutoString attrValue;
+ mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, attrValue);
+
+ if (attrValue.IsEmpty())
+ state |= states::MIXED;
+
+ return state;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// ProgressMeterAccessible<Max>: Widgets
+
+template<int Max>
+bool
+ProgressMeterAccessible<Max>::IsWidget() const
+{
+ return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// ProgressMeterAccessible<Max>: Value
+
+template<int Max>
+void
+ProgressMeterAccessible<Max>::Value(nsString& aValue)
+{
+ LeafAccessible::Value(aValue);
+ if (!aValue.IsEmpty())
+ return;
+
+ double maxValue = MaxValue();
+ if (IsNaN(maxValue) || maxValue == 0)
+ return;
+
+ double curValue = CurValue();
+ if (IsNaN(curValue))
+ return;
+
+ // Treat the current value bigger than maximum as 100%.
+ double percentValue = (curValue < maxValue) ?
+ (curValue / maxValue) * 100 : 100;
+
+ aValue.AppendFloat(percentValue);
+ aValue.Append('%');
+}
+
+template<int Max>
+double
+ProgressMeterAccessible<Max>::MaxValue() const
+{
+ double value = LeafAccessible::MaxValue();
+ if (!IsNaN(value))
+ return value;
+
+ nsAutoString strValue;
+ if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::max, strValue)) {
+ nsresult result = NS_OK;
+ value = strValue.ToDouble(&result);
+ if (NS_SUCCEEDED(result))
+ return value;
+ }
+
+ return Max;
+}
+
+template<int Max>
+double
+ProgressMeterAccessible<Max>::MinValue() const
+{
+ double value = LeafAccessible::MinValue();
+ return IsNaN(value) ? 0 : value;
+}
+
+template<int Max>
+double
+ProgressMeterAccessible<Max>::Step() const
+{
+ double value = LeafAccessible::Step();
+ return IsNaN(value) ? 0 : value;
+}
+
+template<int Max>
+double
+ProgressMeterAccessible<Max>::CurValue() const
+{
+ double value = LeafAccessible::CurValue();
+ if (!IsNaN(value))
+ return value;
+
+ nsAutoString attrValue;
+ if (!mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, attrValue))
+ return UnspecifiedNaN<double>();
+
+ nsresult error = NS_OK;
+ value = attrValue.ToDouble(&error);
+ return NS_FAILED(error) ? UnspecifiedNaN<double>() : value;
+}
+
+template<int Max>
+bool
+ProgressMeterAccessible<Max>::SetCurValue(double aValue)
+{
+ return false; // progress meters are readonly.
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// RadioButtonAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+RadioButtonAccessible::
+ RadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc) :
+ LeafAccessible(aContent, aDoc)
+{
+}
+
+uint8_t
+RadioButtonAccessible::ActionCount()
+{
+ return 1;
+}
+
+void
+RadioButtonAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName)
+{
+ if (aIndex == eAction_Click)
+ aName.AssignLiteral("select");
+}
+
+bool
+RadioButtonAccessible::DoAction(uint8_t aIndex)
+{
+ if (aIndex != eAction_Click)
+ return false;
+
+ DoCommand();
+ return true;
+}
+
+role
+RadioButtonAccessible::NativeRole()
+{
+ return roles::RADIOBUTTON;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// RadioButtonAccessible: Widgets
+
+bool
+RadioButtonAccessible::IsWidget() const
+{
+ return true;
+}