mus: Implement Window Server Capture

components/mus/public/cpp/lib/window_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/window_tree_client_impl.h"
 
 #include "base/bind.h"
 #include "components/mus/common/util.h"
 #include "components/mus/public/cpp/lib/in_flight_change.h"
 #include "components/mus/public/cpp/lib/window_private.h"
@@ skipping 189 matching lines @@
 
 void WindowTreeClientImpl::SetBounds(Window* window,
                                      const gfx::Rect& old_bounds,
                                      const gfx::Rect& bounds) {
   DCHECK(tree_);
   const uint32_t change_id = ScheduleInFlightChange(
       make_scoped_ptr(new InFlightBoundsChange(window, old_bounds)));
   tree_->SetWindowBounds(change_id, window->id(), mojo::Rect::From(bounds));
 }
 
+void WindowTreeClientImpl::SetCapture(Window* window) {
+  // In order for us to get here we had to have exposed a window, which implies
+  // we got a connection.
+  DCHECK(tree_);
+  const uint32_t change_id = ScheduleInFlightChange(make_scoped_ptr(
+      new CrashInFlightChange(window, ChangeType::SET_CAPTURE)));
+  tree_->SetCapture(change_id, window->id());
+}
+
+void WindowTreeClientImpl::ReleaseCapture(Window* window) {
+  // In order for us to get here we had to have exposed a window, which implies
+  // we got a connection.
+  DCHECK(tree_);
+  const uint32_t change_id = ScheduleInFlightChange(make_scoped_ptr(
+      new CrashInFlightChange(window, ChangeType::RELEASE_CAPTURE)));
+  tree_->ReleaseCapture(change_id, window->id());
+}
+
 void WindowTreeClientImpl::SetClientArea(Id window_id,
                                          const gfx::Insets& client_area) {
   DCHECK(tree_);
   tree_->SetClientArea(window_id, mojo::Insets::From(client_area));
 }
 
 void WindowTreeClientImpl::SetFocus(Id window_id) {
   // In order for us to get here we had to have exposed a window, which implies
   // we got a connection.
   DCHECK(tree_);
@@ skipping 207 matching lines @@
                       OnWindowEmbeddedAppDisconnected(window));
   }
 }
 
 void WindowTreeClientImpl::OnUnembed() {
   delegate_->OnUnembed();
   // This will send out the various notifications.
   delete this;
 }
 
+void WindowTreeClientImpl::OnLostCapture(Id window_id) {
+  Window* window = GetWindowById(window_id);
+  if (window) {
+    FOR_EACH_OBSERVER(WindowObserver, *WindowPrivate(window).observers(),
+                      OnWindowLostCapture(window));
+  }
+}
+
 void WindowTreeClientImpl::OnWindowBoundsChanged(Id window_id,
                                                  mojo::RectPtr old_bounds,
                                                  mojo::RectPtr new_bounds) {
   Window* window = GetWindowById(window_id);
   if (!window)
     return;
 
   InFlightBoundsChange new_change(window, new_bounds.To<gfx::Rect>());
   if (ApplyServerChangeToExistingInFlightChange(new_change))
     return;
@@ skipping 219 matching lines @@
 void WindowTreeClientImpl::OnActionCompleted(bool success) {
   if (!change_acked_callback_.is_null())
     change_acked_callback_.Run();
 }
 
 mojo::Callback<void(bool)> WindowTreeClientImpl::ActionCompletedCallback() {
   return [this](bool success) { OnActionCompleted(success); };
 }
 
 }  // namespace mus