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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/tabbed_pane/tabbed_pane.h"
#include "app/keyboard_codes.h"
#include "base/logging.h"
#include "views/controls/native/native_view_host.h"
#include "views/controls/tabbed_pane/native_tabbed_pane_wrapper.h"
namespace views {
// static
const char TabbedPane::kViewClassName[] = "views/TabbedPane";
TabbedPane::TabbedPane() : native_tabbed_pane_(NULL), listener_(NULL) {
SetFocusable(true);
}
TabbedPane::~TabbedPane() {
}
void TabbedPane::SetListener(Listener* listener) {
listener_ = listener;
}
void TabbedPane::AddTab(const std::wstring& title, View* contents) {
native_tabbed_pane_->AddTab(title, contents);
PreferredSizeChanged();
}
void TabbedPane::AddTabAtIndex(int index,
const std::wstring& title,
View* contents,
bool select_if_first_tab) {
native_tabbed_pane_->AddTabAtIndex(index, title, contents,
select_if_first_tab);
contents->SetAccessibleName(title);
PreferredSizeChanged();
}
int TabbedPane::GetSelectedTabIndex() {
return native_tabbed_pane_->GetSelectedTabIndex();
}
View* TabbedPane::GetSelectedTab() {
return native_tabbed_pane_->GetSelectedTab();
}
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);
}
int TabbedPane::GetTabCount() {
return native_tabbed_pane_->GetTabCount();
}
void TabbedPane::CreateWrapper() {
native_tabbed_pane_ = NativeTabbedPaneWrapper::CreateNativeWrapper(this);
}
// View overrides:
std::string TabbedPane::GetClassName() const {
return kViewClassName;
}
void TabbedPane::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
if (is_add && !native_tabbed_pane_) {
CreateWrapper();
AddChildView(native_tabbed_pane_->GetView());
LoadAccelerators();
}
}
bool TabbedPane::AcceleratorPressed(const views::Accelerator& accelerator) {
// We only accept Ctrl+Tab keyboard events.
DCHECK(accelerator.GetKeyCode() ==
app::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;
}
void TabbedPane::LoadAccelerators() {
// Ctrl+Shift+Tab
AddAccelerator(views::Accelerator(app::VKEY_TAB, true, true, false));
// Ctrl+Tab
AddAccelerator(views::Accelerator(app::VKEY_TAB, false, true, false));
}
void TabbedPane::Layout() {
if (native_tabbed_pane_)
native_tabbed_pane_->GetView()->SetBounds(0, 0, width(), height());
}
void TabbedPane::Focus() {
// Forward the focus to the wrapper.
if (native_tabbed_pane_) {
native_tabbed_pane_->SetFocus();
View* selected_tab = GetSelectedTab();
if (selected_tab)
selected_tab->NotifyAccessibilityEvent(AccessibilityTypes::EVENT_FOCUS);
}
else
View::Focus(); // Will focus the RootView window (so we still get keyboard
// messages).
}
void TabbedPane::PaintFocusBorder(gfx::Canvas* canvas) {
if (NativeViewHost::kRenderNativeControlFocus)
View::PaintFocusBorder(canvas);
}
bool TabbedPane::GetAccessibleRole(AccessibilityTypes::Role* role) {
DCHECK(role);
*role = AccessibilityTypes::ROLE_PAGETABLIST;
return true;
}
gfx::Size TabbedPane::GetPreferredSize() {
return native_tabbed_pane_ ?
native_tabbed_pane_->GetPreferredSize() : gfx::Size();
}
} // namespace views
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