mus: Implement Window Server Capture

components/mus/public/interfaces/view_tree.mojom

 // 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.
 
 module mojo;
 
 import "components/mus/public/interfaces/compositor_frame.mojom";
 import "components/mus/public/interfaces/surface_id.mojom";
 import "components/mus/public/interfaces/mus_constants.mojom";
 import "mojo/application/public/interfaces/service_provider.mojom";
@@ skipping 57 matching lines @@
   //
   // TODO(erg): Once we have default values in mojo, make this take a map of
   // properties.
   CreateView(uint32 view_id) => (ErrorCode error_code);
 
   // Deletes a view. This does not recurse. No hierarchy change notifications
   // are sent as a result of this. Only the connection that created the view can
   // delete it.
   DeleteView(uint32 view_id) => (bool success);
 
+  SetCapture(uint32 view_id) => (bool success);
+
   // Sets the specified bounds of the specified view.
   SetViewBounds(uint32 view_id, mojo.Rect bounds) => (bool success);
 
   // Sets the visibility of the specified view to |visible|. Connections are
   // allowed to change the visibility of any view they have created, as well as
   // any of their roots.
   SetViewVisibility(uint32 view_id, bool visible) => (bool success);
 
   // Sets an individual named property. Setting an individual property to null
   // deletes the property.
@@ skipping 100 matching lines @@
   // Invoked when the application embedded at |view| is disconnected. In other
   // words the embedded app closes the connection to the server. This is called
   // on the connection that created |view| as well as any ancestors that have
   // the embed root policy.
   OnEmbeddedAppDisconnected(uint32 view);
 
   // Sent when another connection is embedded in the View this connection was
   // previously embedded in. See Embed() for more information.
   OnUnembed();
 
+  // Sent when a view loses capture.
+  OnLostCapture(uint32 view);
+
   // Invoked when a view's bounds have changed.
   OnViewBoundsChanged(uint32 view,
                       mojo.Rect old_bounds,
                       mojo.Rect new_bounds);
 
   // Invoked when the viewport metrics for the view have changed.
   // Clients are expected to propagate this to the view tree.
   OnViewViewportMetricsChanged(mojo.ViewportMetrics old_metrics,
                                mojo.ViewportMetrics new_metrics);
 
@@ skipping 33 matching lines @@
 
   // Invoked when a view property is changed. If this change is a removal,
   // |new_data| is null.
   OnViewSharedPropertyChanged(uint32 view, string name, array<uint8>? new_data);
 
   // Invoked when an event is targeted at the specified view.
   OnViewInputEvent(uint32 view, mojo.Event event) => ();
 
   OnViewFocused(uint32 focused_view_id);
 };