Preliminary interactive layout of window manager's demo_launcher

mojo/views/native_widget_view_manager.cc

 // 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 "mojo/views/native_widget_view_manager.h"
 
 #include "mojo/aura/window_tree_host_mojo.h"
 #include "mojo/services/public/cpp/input_events/input_events_type_converters.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 114 matching lines @@
   NativeWidgetAura::InitNativeWidget(params);
   capture_client_.reset(
       new wm::ScopedCaptureClient(window_tree_host_->window()));
 }
 
 void NativeWidgetViewManager::CompositorContentsChanged(
     const SkBitmap& bitmap) {
   node_->active_view()->SetContents(bitmap);
 }
 
+void NativeWidgetViewManager::OnNodeDestroying(view_manager::Node* node) {
+  DCHECK_EQ(node, node_);
+  node->RemoveObserver(this);
+}
+
 void NativeWidgetViewManager::OnNodeDestroyed(view_manager::Node* node) {
   window_tree_host_.reset();
 }
 
+void NativeWidgetViewManager::OnNodeBoundsChanged(view_manager::Node* node,
+                                                  const gfx::Rect& old_bounds,
+                                                  const gfx::Rect& new_bounds) {
+  GetWidget()->SetBounds(gfx::Rect(node->bounds().size()));
+}
+
 void NativeWidgetViewManager::OnNodeActiveViewChanged(
     view_manager::Node* node,
     view_manager::View* old_view,
     view_manager::View* new_view) {
   if (old_view)
     old_view->RemoveObserver(this);
   if (new_view)
     new_view->AddObserver(this);
 }
 
 void NativeWidgetViewManager::OnViewInputEvent(view_manager::View* view,
                                                const EventPtr& event) {
   scoped_ptr<ui::Event> ui_event(event.To<scoped_ptr<ui::Event> >());
   if (ui_event.get())
     window_tree_host_->SendEventToProcessor(ui_event.get());
 }
 
 }  // namespace mojo