Win: Add listbox view.

views/controls/listbox/listbox.cc

+// 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/listbox/listbox.h"
+
+#include "views/controls/listbox/native_listbox_wrapper.h"
+#include "views/controls/native/native_view_host.h"
+#include "views/fill_layout.h"
+
+namespace views {
+
+// Listbox ------------------------------------------------------------------
+
+Listbox::Listbox(
+    const std::vector<string16>& strings, Listbox::Listener* listener)
+    : strings_(strings),
+      listener_(listener),
+      native_wrapper_(NULL) {
+  SetLayoutManager(new FillLayout());
+}
+
+Listbox::~Listbox() {
+}
+
+int Listbox::GetRowCount() const {
+  return static_cast<int>(strings_.size());
+}
+
+int Listbox::SelectedRow() const {
+  if (!native_wrapper_)
+    return -1;
+  return native_wrapper_->SelectedRow();
+}
+
+void Listbox::SelectRow(int model_row) {
+  if (!native_wrapper_)
+    return;
+  native_wrapper_->SelectRow(model_row);
+}
+
+void Listbox::ViewHierarchyChanged(bool is_add, View* parent, View* child) {
+  if (is_add && !native_wrapper_ && GetWidget()) {
+    // The native wrapper's lifetime will be managed by the view hierarchy after
+    // we call AddChildView.
+    native_wrapper_ = CreateWrapper();
+    AddChildView(native_wrapper_->GetView());
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Listbox, protected:
+
+NativeListboxWrapper* Listbox::CreateWrapper() {
+  return NativeListboxWrapper::CreateNativeWrapper(this, strings_, listener_);
+}
+
+}  // namespace views