mus: Implement Window Server Capture

components/mus/public/cpp/lib/view_tree_client_impl.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 "components/mus/public/cpp/lib/view_tree_client_impl.h"
 
 #include "components/mus/public/cpp/lib/view_private.h"
 #include "components/mus/public/cpp/util.h"
 #include "components/mus/public/cpp/view_observer.h"
 #include "components/mus/public/cpp/view_tree_connection.h"
@@ skipping 126 matching lines @@
 
 bool ViewTreeClientImpl::OwnsView(Id id) const {
   return HiWord(id) == connection_id_;
 }
 
 void ViewTreeClientImpl::SetBounds(Id view_id, const mojo::Rect& bounds) {
   DCHECK(tree_);
   tree_->SetViewBounds(view_id, bounds.Clone(), ActionCompletedCallback());
 }
 
+void ViewTreeClientImpl::SetCapture(Id view_id) {
+  // In order for us to get here we had to have exposed a view, which implies we
+  // got a connection.
+  DCHECK(tree_);
+  tree_->SetCapture(view_id, ActionCompletedCallback());
+}
+
 void ViewTreeClientImpl::SetFocus(Id view_id) {
   // In order for us to get here we had to have exposed a view, which implies we
   // got a connection.
   DCHECK(tree_);
   tree_->SetFocus(view_id);
 }
 
 void ViewTreeClientImpl::SetVisible(Id view_id, bool visible) {
   DCHECK(tree_);
   tree_->SetViewVisibility(view_id, visible, ActionCompletedCallback());
@@ skipping 131 matching lines @@
                       OnViewEmbeddedAppDisconnected(view));
   }
 }
 
 void ViewTreeClientImpl::OnUnembed() {
   delegate_->OnUnembed();
   // This will send out the various notifications.
   delete this;
 }
 
+void ViewTreeClientImpl::OnLostCapture(Id view_id) {
+  View* view = GetViewById(view_id);
+  if (view) {
+    FOR_EACH_OBSERVER(ViewObserver, *ViewPrivate(view).observers(),
+                      OnViewLostCapture(view));
+  }
+}
+
 void ViewTreeClientImpl::OnViewBoundsChanged(Id view_id,
                                              mojo::RectPtr old_bounds,
                                              mojo::RectPtr new_bounds) {
   View* view = GetViewById(view_id);
   ViewPrivate(view).LocalSetBounds(*old_bounds, *new_bounds);
 }
 
 namespace {
 
 void SetViewportMetricsOnDecendants(View* root,
@@ skipping 121 matching lines @@
 void ViewTreeClientImpl::OnActionCompleted(bool success) {
   if (!change_acked_callback_.is_null())
     change_acked_callback_.Run();
 }
 
 mojo::Callback<void(bool)> ViewTreeClientImpl::ActionCompletedCallback() {
   return [this](bool success) { OnActionCompleted(success); };
 }
 
 }  // namespace mus