App list: Added contents view custom animation framework.

ui/app_list/views/contents_view_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 "ui/app_list/views/contents_view.h"
+
+#include "base/command_line.h"
+#include "base/memory/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/app_list/app_list_switches.h"
+#include "ui/app_list/test/app_list_test_model.h"
+#include "ui/app_list/test/app_list_test_view_delegate.h"
+#include "ui/app_list/views/app_list_main_view.h"
+#include "ui/app_list/views/contents_animator.h"
+#include "ui/app_list/views/search_box_view.h"
+
+namespace app_list {
+namespace test {
+
+class ContentsViewTest : public testing::Test {
+ public:
+  ContentsViewTest() {
+    delegate_.reset(new AppListTestViewDelegate());
+    main_view_.reset(new app_list::AppListMainView(delegate_.get()));
+    search_box_view_.reset(
+        new SearchBoxView(main_view_.get(), delegate_.get()));
+
+    base::CommandLine::ForCurrentProcess()->AppendSwitch(
+        switches::kEnableExperimentalAppList);
+    main_view_->Init(NULL, 0, search_box_view_.get());
+    DCHECK(GetContentsView());
+  }
+
+  ~ContentsViewTest() override {}
+
+ protected:
+  ContentsView* GetContentsView() const { return main_view_->contents_view(); }
+
+ private:
+  scoped_ptr<AppListTestViewDelegate> delegate_;
+  scoped_ptr<AppListMainView> main_view_;
+  scoped_ptr<SearchBoxView> search_box_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(ContentsViewTest);
+};
+
+TEST_F(ContentsViewTest, CustomAnimationsTest) {
+  ContentsView* contents_view = GetContentsView();
+  ContentsAnimator* animator;
+  bool reverse;
+
+  // A transition without a custom animation.
+  animator = contents_view->GetAnimatorForTransitionForTests(
+      contents_view->GetPageIndexForState(AppListModel::STATE_START),
+      contents_view->GetPageIndexForState(AppListModel::STATE_SEARCH_RESULTS),
+      &reverse);
+  EXPECT_EQ("DefaultAnimator", animator->NameForTests());
+  EXPECT_FALSE(reverse);
+
+  // Test some custom animations.
+  animator = contents_view->GetAnimatorForTransitionForTests(
+      contents_view->GetPageIndexForState(AppListModel::STATE_START),
+      contents_view->GetPageIndexForState(AppListModel::STATE_APPS), &reverse);
+  EXPECT_EQ("StartToAppsAnimator", animator->NameForTests());
+  EXPECT_FALSE(reverse);
+
+  animator = contents_view->GetAnimatorForTransitionForTests(
+      contents_view->GetPageIndexForState(AppListModel::STATE_APPS),
+      contents_view->GetPageIndexForState(AppListModel::STATE_START), &reverse);
+  EXPECT_EQ("StartToAppsAnimator", animator->NameForTests());
+  EXPECT_TRUE(reverse);
+}
+
+}  // namespace test
+}  // namespace app_list