Get event targetting working for mouse events.

mojo/services/window_manager/view_targeter_unittest.cc

+// Copyright (c) 2013 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_targeter.h"
+
+#include "mojo/services/window_manager/view_event_dispatcher.h"
+#include "mojo/services/window_manager/window_manager_test_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/test/test_event_handler.h"
+
+namespace mojo {
+
+class ViewTargeterTest : public testing::Test {
+ public:
+  ViewTargeterTest() {}
+  ~ViewTargeterTest() override {}
+
+  void SetUp() override {
+    view_event_dispatcher_.reset(new ViewEventDispatcher());
+  }
+
+  void TearDown() override {
+    view_event_dispatcher_.reset();
+    view_collector_.Destroy();
+    testing::Test::TearDown();
+  }
+
+ protected:
+  ViewCollector view_collector_;
+
+  scoped_ptr<ViewEventDispatcher> view_event_dispatcher_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ViewTargeterTest);
+};
+
+TEST_F(ViewTargeterTest, Basic) {
+  // The dispatcher will take ownership of the tree root.
+  TestViewTarget* root =

[sky, 2014/11/14 01:43:57]

Why not declare TestViewTArget, and one/two on the stack?

+      new TestViewTarget(1, gfx::Rect(0, 0, 100, 100), &view_collector_);
+  root->SetEventTargeter(scoped_ptr<ViewTargeter>(new ViewTargeter()));
+  view_event_dispatcher_->SetRootViewTarget(root);
+
+  TestViewTarget* one =
+      new TestViewTarget(2, gfx::Rect(0, 0, 500, 100), &view_collector_);
+  TestViewTarget* two =
+      new TestViewTarget(3, gfx::Rect(501, 0, 500, 1000), &view_collector_);
+
+  root->AddChild(one);
+  root->AddChild(two);
+
+  ui::test::TestEventHandler handler;
+  one->AddPreTargetHandler(&handler);
+
+  ui::MouseEvent press(ui::ET_MOUSE_PRESSED,
+                       gfx::Point(20, 20),
+                       gfx::Point(20, 20),
+                       ui::EF_NONE,
+                       ui::EF_NONE);
+  ui::EventDispatchDetails details =
+      view_event_dispatcher_->OnEventFromSource(&press);
+  ASSERT_FALSE(details.dispatcher_destroyed);
+
+  EXPECT_EQ(1, handler.num_mouse_events());
+
+  one->RemovePreTargetHandler(&handler);
+}
+
+}  // namespace mojo