Plumb ViewportMetrics change notifications around the world and back.

services/view_manager/connection_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 "services/view_manager/connection_manager.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/input_events/input_events_type_converters.h"
@@ skipping 227 matching lines @@
 
 void ConnectionManager::ProcessViewBoundsChanged(const ServerView* view,
                                                  const gfx::Rect& old_bounds,
                                                  const gfx::Rect& new_bounds) {
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessViewBoundsChanged(
         view, old_bounds, new_bounds, IsChangeSource(pair.first));
   }
 }
 
+void ConnectionManager::ProcessViewportMetricsChanged(
+    const ServerView* view,
+    const mojo::ViewportMetrics& old_metrics,
+    const mojo::ViewportMetrics& new_metrics) {
+  for (auto& pair : connection_map_) {
+    pair.second->service()->ProcessViewportMetricsChanged(
+        view, old_metrics, new_metrics, IsChangeSource(pair.first));
+  }
+}
+
 void ConnectionManager::ProcessWillChangeViewHierarchy(
     const ServerView* view,
     const ServerView* new_parent,
     const ServerView* old_parent) {
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessWillChangeViewHierarchy(
         view, new_parent, old_parent, IsChangeSource(pair.first));
   }
 }
 
@@ skipping 111 matching lines @@
 
   ProcessViewBoundsChanged(view, old_bounds, new_bounds);
   if (!view->parent())
     return;
 
   // TODO(sky): optimize this.
   display_manager_->SchedulePaint(view->parent(), old_bounds);
   display_manager_->SchedulePaint(view->parent(), new_bounds);
 }
 
+void ConnectionManager::OnViewViewportMetricsChanged(
+    const ServerView* view,
+    const mojo::ViewportMetrics& old_metrics,
+    const mojo::ViewportMetrics& new_metrics) {
+  if (in_destructor_)
+    return;
+
+  ProcessViewportMetricsChanged(view, old_metrics, new_metrics);
+  // TODO(sky): Do we need to repaint here?

[sky, 2015/01/27 23:40:23]

I would think not.

+}
+
 void ConnectionManager::OnViewSurfaceIdChanged(const ServerView* view) {
   if (!in_destructor_)
     display_manager_->SchedulePaint(view, gfx::Rect(view->bounds().size()));
 }
 
 void ConnectionManager::OnViewReordered(const ServerView* view,
                                         const ServerView* relative,
                                         mojo::OrderDirection direction) {
   if (!in_destructor_)
     display_manager_->SchedulePaint(view, gfx::Rect(view->bounds().size()));
@@ skipping 65 matching lines @@
 void ConnectionManager::SetViewportSize(mojo::SizePtr size) {
   gfx::Size new_size = size.To<gfx::Size>();
   display_manager_->SetViewportSize(new_size);
 }
 
 void ConnectionManager::CloneAndAnimate(mojo::Id transport_view_id) {
   CloneAndAnimate(ViewIdFromTransportId(transport_view_id));
 }
 
 }  // namespace view_manager