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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/tabbed_pane/tabbed_pane.h"
#include "base/logging.h"
#include "ui/base/accessibility/accessible_view_state.h"
#include "ui/base/keycodes/keyboard_codes.h"
#include "views/controls/native/native_view_host.h"
#include "views/controls/tabbed_pane/native_tabbed_pane_wrapper.h"
#include "views/controls/tabbed_pane/tabbed_pane_listener.h"
#include "views/widget/widget.h"
namespace views {
// static
const char TabbedPane::kViewClassName[] = "views/TabbedPane";
TabbedPane::TabbedPane() : native_tabbed_pane_(NULL), listener_(NULL) {
set_focusable(true);
}
TabbedPane::~TabbedPane() {
}
int TabbedPane::GetTabCount() {
return native_tabbed_pane_->GetTabCount();
}
int TabbedPane::GetSelectedTabIndex() {
return native_tabbed_pane_->GetSelectedTabIndex();
}
View* TabbedPane::GetSelectedTab() {
return native_tabbed_pane_->GetSelectedTab();
}
void TabbedPane::AddTab(const string16& title, View* contents) {
native_tabbed_pane_->AddTab(title, contents);
PreferredSizeChanged();
}
void TabbedPane::AddTabAtIndex(int index,
const string16& title,
View* contents,
bool select_if_first_tab) {
native_tabbed_pane_->AddTabAtIndex(index, title, contents,
select_if_first_tab);
PreferredSizeChanged();
}
View* TabbedPane::RemoveTabAtIndex(int index) {
View* tab = native_tabbed_pane_->RemoveTabAtIndex(index);
PreferredSizeChanged();
return tab;
}
void TabbedPane::SelectTabAt(int index) {
native_tabbed_pane_->SelectTabAt(index);
}
void TabbedPane::SetAccessibleName(const string16& name) {
accessible_name_ = name;
}
gfx::Size TabbedPane::GetPreferredSize() {
return native_tabbed_pane_ ?
native_tabbed_pane_->GetPreferredSize() : gfx::Size();
}
void TabbedPane::LoadAccelerators() {
// Ctrl+Shift+Tab
AddAccelerator(ui::Accelerator(ui::VKEY_TAB, true, true, false));
// Ctrl+Tab
AddAccelerator(ui::Accelerator(ui::VKEY_TAB, false, true, false));
}
void TabbedPane::Layout() {
if (native_tabbed_pane_)
native_tabbed_pane_->GetView()->SetBounds(0, 0, width(), height());
}
void TabbedPane::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
if (is_add && !native_tabbed_pane_) {
// The native wrapper's lifetime will be managed by the view hierarchy after
// we call AddChildView.
native_tabbed_pane_ = NativeTabbedPaneWrapper::CreateNativeWrapper(this);
AddChildView(native_tabbed_pane_->GetView());
LoadAccelerators();
}
}
bool TabbedPane::AcceleratorPressed(const ui::Accelerator& accelerator) {
// We only accept Ctrl+Tab keyboard events.
DCHECK(accelerator.key_code() == ui::VKEY_TAB && accelerator.IsCtrlDown());
int tab_count = GetTabCount();
if (tab_count <= 1)
return false;
int selected_tab_index = GetSelectedTabIndex();
int next_tab_index = accelerator.IsShiftDown() ?
(selected_tab_index - 1) % tab_count :
(selected_tab_index + 1) % tab_count;
// Wrap around.
if (next_tab_index < 0)
next_tab_index += tab_count;
SelectTabAt(next_tab_index);
return true;
}
std::string TabbedPane::GetClassName() const {
return kViewClassName;
}
void TabbedPane::OnFocus() {
// Forward the focus to the wrapper.
if (native_tabbed_pane_) {
native_tabbed_pane_->SetFocus();
View* selected_tab = GetSelectedTab();
if (selected_tab) {
selected_tab->GetWidget()->NotifyAccessibilityEvent(
selected_tab, ui::AccessibilityTypes::EVENT_FOCUS, true);
}
} else {
View::OnFocus(); // Will focus the RootView window (so we still get
// keyboard messages).
}
}
void TabbedPane::OnPaintFocusBorder(gfx::Canvas* canvas) {
if (NativeViewHost::kRenderNativeControlFocus)
View::OnPaintFocusBorder(canvas);
}
void TabbedPane::GetAccessibleState(ui::AccessibleViewState* state) {
state->role = ui::AccessibilityTypes::ROLE_PAGETABLIST;
state->name = accessible_name_;
}
} // namespace views
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