michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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: // NOTE: alphabetically ordered
michael@0: 
michael@0: #include "FormControlAccessible.h"
michael@0: #include "Role.h"
michael@0: 
michael@0: #include "mozilla/FloatingPoint.h"
michael@0: #include "nsIDOMHTMLFormElement.h"
michael@0: #include "nsIDOMXULElement.h"
michael@0: #include "nsIDOMXULControlElement.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // ProgressMeterAccessible
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: template class mozilla::a11y::ProgressMeterAccessible<1>;
michael@0: template class mozilla::a11y::ProgressMeterAccessible<100>;
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsISupports
michael@0: 
michael@0: template<int Max>
michael@0: NS_IMPL_ADDREF_INHERITED(ProgressMeterAccessible<Max>, LeafAccessible)
michael@0: 
michael@0: template<int Max>
michael@0: NS_IMPL_RELEASE_INHERITED(ProgressMeterAccessible<Max>, LeafAccessible)
michael@0: 
michael@0: template<int Max>
michael@0: NS_IMPL_QUERY_INTERFACE_INHERITED(ProgressMeterAccessible<Max>,
michael@0:                                   LeafAccessible,
michael@0:                                   nsIAccessibleValue)
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // Accessible
michael@0: 
michael@0: template<int Max>
michael@0: role
michael@0: ProgressMeterAccessible<Max>::NativeRole()
michael@0: {
michael@0:   return roles::PROGRESSBAR;
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: uint64_t
michael@0: ProgressMeterAccessible<Max>::NativeState()
michael@0: {
michael@0:   uint64_t state = LeafAccessible::NativeState();
michael@0: 
michael@0:   // An undetermined progressbar (i.e. without a value) has a mixed state.
michael@0:   nsAutoString attrValue;
michael@0:   mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, attrValue);
michael@0: 
michael@0:   if (attrValue.IsEmpty())
michael@0:     state |= states::MIXED;
michael@0: 
michael@0:   return state;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // ProgressMeterAccessible<Max>: Widgets
michael@0: 
michael@0: template<int Max>
michael@0: bool
michael@0: ProgressMeterAccessible<Max>::IsWidget() const
michael@0: {
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsIAccessibleValue
michael@0: 
michael@0: template<int Max>
michael@0: void
michael@0: ProgressMeterAccessible<Max>::Value(nsString& aValue)
michael@0: {
michael@0:   LeafAccessible::Value(aValue);
michael@0:   if (!aValue.IsEmpty())
michael@0:     return;
michael@0: 
michael@0:   double maxValue = MaxValue();
michael@0:   if (IsNaN(maxValue) || maxValue == 0)
michael@0:     return;
michael@0: 
michael@0:   double curValue = CurValue();
michael@0:   if (IsNaN(curValue))
michael@0:     return;
michael@0: 
michael@0:   // Treat the current value bigger than maximum as 100%.
michael@0:   double percentValue = (curValue < maxValue) ?
michael@0:     (curValue / maxValue) * 100 : 100;
michael@0: 
michael@0:   aValue.AppendFloat(percentValue);
michael@0:   aValue.AppendLiteral("%");
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: double
michael@0: ProgressMeterAccessible<Max>::MaxValue() const
michael@0: {
michael@0:   double value = LeafAccessible::MaxValue();
michael@0:   if (!IsNaN(value))
michael@0:     return value;
michael@0: 
michael@0:   nsAutoString strValue;
michael@0:   if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::max, strValue)) {
michael@0:     nsresult result = NS_OK;
michael@0:     value = strValue.ToDouble(&result);
michael@0:     if (NS_SUCCEEDED(result))
michael@0:       return value;
michael@0:   }
michael@0: 
michael@0:   return Max;
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: double
michael@0: ProgressMeterAccessible<Max>::MinValue() const
michael@0: {
michael@0:   double value = LeafAccessible::MinValue();
michael@0:   return IsNaN(value) ? 0 : value;
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: double
michael@0: ProgressMeterAccessible<Max>::Step() const
michael@0: {
michael@0:   double value = LeafAccessible::Step();
michael@0:   return IsNaN(value) ? 0 : value;
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: double
michael@0: ProgressMeterAccessible<Max>::CurValue() const
michael@0: {
michael@0:   double value = LeafAccessible::CurValue();
michael@0:   if (!IsNaN(value))
michael@0:     return value;
michael@0: 
michael@0:   nsAutoString attrValue;
michael@0:   if (!mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, attrValue))
michael@0:     return UnspecifiedNaN<double>();
michael@0: 
michael@0:   nsresult error = NS_OK;
michael@0:   value = attrValue.ToDouble(&error);
michael@0:   return NS_FAILED(error) ? UnspecifiedNaN<double>() : value;
michael@0: }
michael@0: 
michael@0: template<int Max>
michael@0: bool
michael@0: ProgressMeterAccessible<Max>::SetCurValue(double aValue)
michael@0: {
michael@0:   return false; // progress meters are readonly.
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // RadioButtonAccessible
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: RadioButtonAccessible::
michael@0:   RadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc) :
michael@0:   LeafAccessible(aContent, aDoc)
michael@0: {
michael@0: }
michael@0: 
michael@0: uint8_t
michael@0: RadioButtonAccessible::ActionCount()
michael@0: {
michael@0:   return 1;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: RadioButtonAccessible::GetActionName(uint8_t aIndex, nsAString& aName)
michael@0: {
michael@0:   if (aIndex == eAction_Click) {
michael@0:     aName.AssignLiteral("select"); 
michael@0:     return NS_OK;
michael@0:   }
michael@0:   return NS_ERROR_INVALID_ARG;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: RadioButtonAccessible::DoAction(uint8_t aIndex)
michael@0: {
michael@0:   if (aIndex != eAction_Click)
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:   DoCommand();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: role
michael@0: RadioButtonAccessible::NativeRole()
michael@0: {
michael@0:   return roles::RADIOBUTTON;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // RadioButtonAccessible: Widgets
michael@0: 
michael@0: bool
michael@0: RadioButtonAccessible::IsWidget() const
michael@0: {
michael@0:   return true;
michael@0: }