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mojo/services/window_manager/view_event_dispatcher.cc

Index: mojo/services/window_manager/view_event_dispatcher.cc
diff --git a/mojo/services/window_manager/view_event_dispatcher.cc b/mojo/services/window_manager/view_event_dispatcher.cc
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+++ b/mojo/services/window_manager/view_event_dispatcher.cc
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+// 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/services/window_manager/view_event_dispatcher.h"
+
+#include "mojo/services/window_manager/view_target.h"
+#include "third_party/mojo_services/src/view_manager/public/cpp/view.h"
+
+namespace window_manager {
+
+ViewEventDispatcher::ViewEventDispatcher()
+    : event_dispatch_target_(nullptr),
+      old_dispatch_target_(nullptr) {
+}
+
+ViewEventDispatcher::~ViewEventDispatcher() {}
+
+void ViewEventDispatcher::SetRootViewTarget(ViewTarget* root_view_target) {
+  root_view_target_ = root_view_target;
+}
+
+ui::EventTarget* ViewEventDispatcher::GetRootTarget() {
+  return root_view_target_;
+}
+
+void ViewEventDispatcher::OnEventProcessingStarted(ui::Event* event) {
+}
+
+bool ViewEventDispatcher::CanDispatchToTarget(ui::EventTarget* target) {
+  return event_dispatch_target_ == target;
+}
+
+ui::EventDispatchDetails ViewEventDispatcher::PreDispatchEvent(
+    ui::EventTarget* target,
+    ui::Event* event) {
+  // TODO(erg): PreDispatch in aura::WindowEventDispatcher does many, many
+  // things. It, and the functions split off for different event types, are
+  // most of the file.
+  old_dispatch_target_ = event_dispatch_target_;
+  event_dispatch_target_ = static_cast<ViewTarget*>(target);
+  return ui::EventDispatchDetails();
+}
+
+ui::EventDispatchDetails ViewEventDispatcher::PostDispatchEvent(
+    ui::EventTarget* target,
+    const ui::Event& event) {
+  // TODO(erg): Not at all as long as PreDispatchEvent, but still missing core
+  // details.
+  event_dispatch_target_ = old_dispatch_target_;
+  old_dispatch_target_ = nullptr;
+  return ui::EventDispatchDetails();
+}
+
+}  // namespace window_manager