athena: A simpler implementation of WindowListProvider.

athena/wm/window_list_provider_impl.cc

Index: athena/wm/window_list_provider_impl.cc
diff --git a/athena/wm/window_list_provider_impl.cc b/athena/wm/window_list_provider_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8b4cba5abdc2831bd80c81ccc263c33300e366b0
--- /dev/null
+++ b/athena/wm/window_list_provider_impl.cc
@@ -0,0 +1,31 @@
+// Copyright 2014 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 "athena/wm/window_list_provider_impl.h"
+
+#include "ui/aura/window.h"
+
+namespace athena {
+
+WindowListProviderImpl::WindowListProviderImpl(aura::Window* container)
+    : container_(container) {
+  CHECK(container_);
+}
+
+WindowListProviderImpl::~WindowListProviderImpl() {
+}
+
+aura::Window::Windows WindowListProviderImpl::GetWindowList() const {
+  aura::Window::Windows list;
+  const aura::Window::Windows& container_children = container_->children();
+  for (aura::Window::Windows::const_iterator iter = container_children.begin();
+       iter != container_children.end();
+       ++iter) {
+    if ((*iter)->type() == ui::wm::WINDOW_TYPE_NORMAL)
+      list.push_back(*iter);
+  }
+  return list;
+}
+
+}  // namespace athena