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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "views/controls/button/radio_button.h"
#include "base/logging.h"
#include "ui/base/accessibility/accessible_view_state.h"
#include "views/widget/root_view.h"
namespace views {
// static
const char RadioButton::kViewClassName[] = "views/RadioButton";
////////////////////////////////////////////////////////////////////////////////
// RadioButton, public:
RadioButton::RadioButton(const std::wstring& label, int group_id)
: Checkbox(label) {
SetGroup(group_id);
}
RadioButton::~RadioButton() {
}
////////////////////////////////////////////////////////////////////////////////
// RadioButton, Checkbox overrides:
void RadioButton::SetChecked(bool checked) {
if (checked == RadioButton::checked())
return;
if (native_wrapper_ &&
!native_wrapper_->UsesNativeRadioButtonGroup() && checked) {
// We can't just get the root view here because sometimes the radio
// button isn't attached to a root view (e.g., if it's part of a tab page
// that is currently not active).
View* container = parent();
while (container && container->parent())
container = container->parent();
if (container) {
std::vector<View*> other;
container->GetViewsWithGroup(GetGroup(), &other);
std::vector<View*>::iterator i;
for (i = other.begin(); i != other.end(); ++i) {
if (*i != this) {
if ((*i)->GetClassName() != kViewClassName) {
NOTREACHED() << "radio-button has same group as other non "
"radio-button views.";
continue;
}
RadioButton* peer = static_cast<RadioButton*>(*i);
peer->SetChecked(false);
}
}
}
}
Checkbox::SetChecked(checked);
}
////////////////////////////////////////////////////////////////////////////////
// RadioButton, View overrides:
void RadioButton::GetAccessibleState(ui::AccessibleViewState* state) {
Checkbox::GetAccessibleState(state);
state->role = ui::AccessibilityTypes::ROLE_RADIOBUTTON;
}
View* RadioButton::GetSelectedViewForGroup(int group_id) {
std::vector<View*> views;
GetRootView()->GetViewsWithGroup(group_id, &views);
if (views.empty())
return NULL;
for (std::vector<View*>::const_iterator iter = views.begin();
iter != views.end(); ++iter) {
RadioButton* radio_button = static_cast<RadioButton*>(*iter);
if (radio_button->checked())
return radio_button;
}
return NULL;
}
bool RadioButton::IsGroupFocusTraversable() const {
// When focusing a radio button with tab/shift+tab, only the selected button
// from the group should be focused.
return false;
}
void RadioButton::OnMouseReleased(const MouseEvent& event, bool canceled) {
native_wrapper_->SetPushed(false);
// Set the checked state to true only if we are unchecked, since we can't
// be toggled on and off like a checkbox.
if (!checked() && !canceled && HitTestLabel(event))
SetChecked(true);
ButtonPressed();
}
std::string RadioButton::GetClassName() const {
return kViewClassName;
}
////////////////////////////////////////////////////////////////////////////////
// RadioButton, NativeButton overrides:
NativeButtonWrapper* RadioButton::CreateWrapper() {
NativeButtonWrapper* native_wrapper =
NativeButtonWrapper::CreateRadioButtonWrapper(this);
native_wrapper->UpdateLabel();
native_wrapper->UpdateChecked();
return native_wrapper;
}
} // namespace views
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