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// Copyright (c) 2011 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/native_control_gtk.h"
#include <gtk/gtk.h>
#include "base/logging.h"
#include "ui/base/accessibility/accessibility_types.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/widget/widget.h"
namespace views {
NativeControlGtk::NativeControlGtk() {
}
NativeControlGtk::~NativeControlGtk() {
if (native_view())
gtk_widget_destroy(native_view());
}
////////////////////////////////////////////////////////////////////////////////
// NativeControlGtk, View overrides:
void NativeControlGtk::OnEnabledChanged() {
View::OnEnabledChanged();
if (native_view())
gtk_widget_set_sensitive(native_view(), IsEnabled());
}
void NativeControlGtk::ViewHierarchyChanged(bool is_add, View* parent,
View* child) {
// Call the base class to hide the view if we're being removed.
NativeViewHost::ViewHierarchyChanged(is_add, parent, child);
if (!is_add && child == this && native_view()) {
Detach();
} else if (is_add && GetWidget() && !native_view()) {
// Create the widget when we're added to a valid Widget. Many
// controls need a parent widget to function properly.
CreateNativeControl();
}
}
void NativeControlGtk::VisibilityChanged(View* starting_from, bool is_visible) {
if (!native_view()) {
if (GetWidget())
CreateNativeControl();
} else {
// The view becomes visible after native control is created.
// Layout now.
Layout();
}
}
void NativeControlGtk::OnFocus() {
DCHECK(native_view());
gtk_widget_grab_focus(native_view());
GetWidget()->NotifyAccessibilityEvent(
parent(), ui::AccessibilityTypes::EVENT_FOCUS, true);
}
void NativeControlGtk::NativeControlCreated(GtkWidget* native_control) {
Attach(native_control);
// Update the newly created GtkWidget with any resident enabled state.
gtk_widget_set_sensitive(native_view(), IsEnabled());
// Listen for focus change event to update the FocusManager focused view.
g_signal_connect(native_control, "focus-in-event",
G_CALLBACK(CallFocusIn), this);
}
// static
gboolean NativeControlGtk::CallFocusIn(GtkWidget* gtk_widget,
GdkEventFocus* event,
NativeControlGtk* control) {
Widget* widget = Widget::GetTopLevelWidgetForNativeView(gtk_widget);
FocusManager* focus_manager = widget ? widget->GetFocusManager() : NULL;
if (!focus_manager) {
// TODO(jcampan): http://crbug.com/21378 Reenable this NOTREACHED() when the
// options page is only based on views.
// NOTREACHED();
NOTIMPLEMENTED();
return false;
}
focus_manager->SetFocusedView(control->focus_view());
return false;
}
} // namespace views
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