Basic support for animating window properties in Mus.

components/mus/ws/scheduled_animation_group_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 "components/mus/ws/scheduled_animation_group.h"
+
+#include "components/mus/public/interfaces/animations.mojom.h"
+#include "components/mus/ws/server_window.h"
+#include "components/mus/ws/test_server_window_delegate.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using mus::mojom::AnimationProperty;
+using mus::mojom::AnimationTweenType;
+using mus::mojom::AnimationGroup;
+using mus::mojom::AnimationSequence;
+using mus::mojom::AnimationElement;
+using mus::mojom::AnimationValue;
+
+namespace mus {
+namespace ws {
+namespace {
+
+bool IsAnimationGroupValid(const AnimationGroup& transport_group) {
+  TestServerWindowDelegate window_delegate;
+  ServerWindow window(&window_delegate, WindowId());
+  std::unique_ptr<ScheduledAnimationGroup> group(
+      ScheduledAnimationGroup::Create(&window, base::TimeTicks::Now(), 1,
+                                      transport_group));
+  return group.get() != nullptr;
+}
+
+}  // namespace
+
+TEST(ScheduledAnimationGroupTest, IsAnimationGroupValid) {
+  AnimationGroup group;
+
+  // AnimationGroup with no sequences is not valid.
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  group.sequences.push_back(AnimationSequence::New());
+
+  // Sequence with no elements is not valid.
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  AnimationSequence& sequence = *(group.sequences[0]);
+  sequence.elements.push_back(AnimationElement::New());
+  AnimationElement& element = *(sequence.elements[0]);
+  element.property = AnimationProperty::OPACITY;
+  element.tween_type = AnimationTweenType::LINEAR;
+
+  // Element with no target_value is not valid.
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  // Opacity must be between 0 and 1.
+  element.target_value = AnimationValue::New();
+  element.target_value->float_value = 2.5f;
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  element.target_value->float_value = .5f;
+  EXPECT_TRUE(IsAnimationGroupValid(group));
+
+  // Bogus start value.
+  element.start_value = AnimationValue::New();
+  element.start_value->float_value = 2.5f;
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  element.start_value->float_value = .5f;
+  EXPECT_TRUE(IsAnimationGroupValid(group));
+
+  // All transforms are valid.
+  element.property = AnimationProperty::TRANSFORM;
+  EXPECT_TRUE(IsAnimationGroupValid(group));
+
+  // Add another empty sequence, should be invalid again.
+  group.sequences.push_back(AnimationSequence::New());
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  AnimationSequence& sequence2 = *(group.sequences[1]);
+  sequence2.elements.push_back(AnimationElement::New());
+  AnimationElement& element2 = *(sequence2.elements[0]);
+  element2.property = AnimationProperty::OPACITY;
+  element2.tween_type = AnimationTweenType::LINEAR;
+
+  // Element with no target_value is not valid.
+  EXPECT_FALSE(IsAnimationGroupValid(group));
+
+  element2.property = AnimationProperty::NONE;
+  EXPECT_TRUE(IsAnimationGroupValid(group));
+}
+
+}  // namespace ws
+}  // namespace mus