Get event targetting working for mouse events.

mojo/services/window_manager/view_target_unittest.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 "mojo/services/window_manager/view_target.h"
+
+#include <set>
+
+#include "mojo/services/public/cpp/view_manager/view.h"
+#include "mojo/services/window_manager/window_manager_test_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace mojo {
+
+class ViewTargetTest : public testing::Test {
+ public:
+  ViewTargetTest() {}
+  ~ViewTargetTest() override {}
+
+  void TearDown() override {
+    view_collector_.Destroy();
+    testing::Test::TearDown();
+  }
+
+ protected:
+  ViewCollector view_collector_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ViewTargetTest);
+};
+
+TEST_F(ViewTargetTest, AddChild) {
+  TestViewTarget* v1 =
+      new TestViewTarget(1, gfx::Rect(0, 0, 100, 100), &view_collector_);
+  TestViewTarget* v11 =
+      new TestViewTarget(2, gfx::Rect(10, 10, 80, 80), &view_collector_);
+
+  v1->AddChild(v11);
+
+  EXPECT_EQ(1U, v1->GetChildren().size());
+  EXPECT_EQ(v1, v11->GetParent());
+}
+
+// V1
+//  +-- V2
+TEST_F(ViewTargetTest, ConvertPointToTarget_Simple) {
+  TestViewTarget* v1 =
+      new TestViewTarget(1, gfx::Rect(20, 20, 400, 400), &view_collector_);
+  TestViewTarget* v2 =
+      new TestViewTarget(2, gfx::Rect(10, 10, 350, 350), &view_collector_);
+  v1->AddChild(v2);
+
+  gfx::Point point1_in_v2_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(v2, v1, &point1_in_v2_coords);
+  gfx::Point point1_in_v1_coords(15, 15);
+  EXPECT_EQ(point1_in_v1_coords, point1_in_v2_coords);
+
+  gfx::Point point2_in_v1_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(v1, v2, &point2_in_v1_coords);
+  gfx::Point point2_in_v2_coords(-5, -5);
+  EXPECT_EQ(point2_in_v2_coords, point2_in_v1_coords);
+}
+
+// V1
+//  +-- V2
+//       +-- V3
+TEST_F(ViewTargetTest, ConvertPointToTarget_Medium) {
+  TestViewTarget* v1 =
+      new TestViewTarget(1, gfx::Rect(20, 20, 400, 400), &view_collector_);
+  TestViewTarget* v2 =
+      new TestViewTarget(2, gfx::Rect(10, 10, 350, 350), &view_collector_);
+  TestViewTarget* v3 =
+      new TestViewTarget(3, gfx::Rect(10, 10, 100, 100), &view_collector_);
+  v1->AddChild(v2);
+  v2->AddChild(v3);
+
+  gfx::Point point1_in_v3_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(v3, v1, &point1_in_v3_coords);
+  gfx::Point point1_in_v1_coords(25, 25);
+  EXPECT_EQ(point1_in_v1_coords, point1_in_v3_coords);
+
+  gfx::Point point2_in_v1_coords(5, 5);
+  ViewTarget::ConvertPointToTarget(v1, v3, &point2_in_v1_coords);
+  gfx::Point point2_in_v3_coords(-15, -15);
+  EXPECT_EQ(point2_in_v3_coords, point2_in_v1_coords);
+}
+
+}  // namespace mojo