AppListController refactoring part 1: AppListShower implementation.

ui/app_list/shower/app_list_shower_impl_unittest.cc

+// Copyright 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 "base/memory/scoped_ptr.h"
+#include "ui/app_list/shower/app_list_shower_delegate_factory.h"
+#include "ui/app_list/shower/app_list_shower_impl.h"
+#include "ui/app_list/shower/test/app_list_shower_impl_test_api.h"
+#include "ui/app_list/test/app_list_test_view_delegate.h"
+#include "ui/app_list/views/app_list_view.h"
+#include "ui/aura/client/focus_client.h"
+#include "ui/aura/test/aura_test_base.h"
+#include "ui/aura/window.h"
+#include "ui/wm/core/default_activation_client.h"
+#include "ui/wm/core/window_util.h"
+
+namespace app_list {
+
+namespace {
+
+// Test stub for AppListShowerDelegate
+class AppListShowerDelegateTest : public AppListShowerDelegate {
+ public:
+  AppListShowerDelegateTest(aura::Window* container,
+                            test::AppListTestViewDelegate* view_delegate)
+      : container_(container), view_delegate_(view_delegate) {}
+  ~AppListShowerDelegateTest() override {}
+
+  bool init_called() const { return init_called_; }
+  bool on_shown_called() const { return on_shown_called_; }
+  bool on_dismissed_called() const { return on_dismissed_called_; }
+  bool update_bounds_called() const { return update_bounds_called_; }
+
+ private:
+  // AppListShowerDelegate:
+  AppListViewDelegate* GetViewDelegate() override { return view_delegate_; }
+  void Init(AppListView* view,
+            aura::Window* root_window,
+            int current_apps_page) override {
+    init_called_ = true;
+    view_ = view;
+    view->InitAsFramelessWindow(container_, current_apps_page,
+                                gfx::Rect(100, 50, 300, 200));
+  }
+  void OnShown(aura::Window*) override { on_shown_called_ = true; }
+  void OnDismissed() override { on_dismissed_called_ = true; }
+  void UpdateBounds() override { update_bounds_called_ = true; }
+  gfx::Vector2d GetVisibilityAnimationOffset(aura::Window*) override {
+    return gfx::Vector2d(0, 0);
+  }
+
+ private:
+  aura::Window* container_;
+  test::AppListTestViewDelegate* view_delegate_;
+  AppListView* view_ = nullptr;
+  bool init_called_ = false;
+  bool on_shown_called_ = false;
+  bool on_dismissed_called_ = false;
+  bool update_bounds_called_ = false;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListShowerDelegateTest);
+};
+
+// Test fake for AppListShowerDelegateFactory, creates instances of
+// AppListShowerDelegateTest.
+class AppListShowerDelegateFactoryTest : public AppListShowerDelegateFactory {
+ public:
+  explicit AppListShowerDelegateFactoryTest(aura::Window* container)
+      : container_(container) {}
+  ~AppListShowerDelegateFactoryTest() override {}
+
+  AppListShowerDelegateTest* current_delegate() { return current_delegate_; }
+
+  // AppListShowerDelegateFactory:
+  scoped_ptr<AppListShowerDelegate> GetDelegate(
+      AppListShower* shower) override {
+    current_delegate_ =
+        new AppListShowerDelegateTest(container_, &app_list_view_delegate_);
+    return make_scoped_ptr(current_delegate_);
+  }
+
+ private:
+  aura::Window* container_;
+  AppListShowerDelegateTest* current_delegate_ = nullptr;
+  test::AppListTestViewDelegate app_list_view_delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListShowerDelegateFactoryTest);
+};
+
+}  // namespace
+
+class AppListShowerImplTest : public aura::test::AuraTestBase {
+ public:
+  AppListShowerImplTest();
+  ~AppListShowerImplTest() override;
+
+  AppListShowerImpl* shower() { return shower_.get(); }
+  aura::Window* container() { return container_.get(); }
+
+  // Don't cache the return of this method - a new delegate is created every
+  // time the app list is shown.
+  AppListShowerDelegateTest* delegate() { return factory_->current_delegate(); }
+
+  // aura::test::AuraTestBase:
+  void SetUp() override;
+  void TearDown() override;
+
+ private:
+  scoped_ptr<AppListShowerDelegateFactoryTest> factory_;
+  scoped_ptr<AppListShowerImpl> shower_;
+  scoped_ptr<aura::Window> container_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppListShowerImplTest);
+};
+
+AppListShowerImplTest::AppListShowerImplTest() {}
+
+AppListShowerImplTest::~AppListShowerImplTest() {}
+
+void AppListShowerImplTest::SetUp() {
+  AuraTestBase::SetUp();
+  new wm::DefaultActivationClient(root_window());
+  container_.reset(CreateNormalWindow(0, root_window(), nullptr));
+  factory_.reset(new AppListShowerDelegateFactoryTest(container_.get()));
+  shower_.reset(new AppListShowerImpl(factory_.get()));
+}
+
+void AppListShowerImplTest::TearDown() {
+  container_.reset();
+  AuraTestBase::TearDown();
+}
+
+// Tests that app launcher is dismissed when focus moves to a window which is
+// not app list window's sibling and that appropriate delegate callbacks are
+// executed when the app launcher is shown and then when the app launcher is
+// dismissed.
+TEST_F(AppListShowerImplTest, HideOnFocusOut) {
+  aura::client::FocusClient* focus_client =
+      aura::client::GetFocusClient(root_window());
+  shower()->Show(container());
+  EXPECT_TRUE(delegate()->init_called());
+  EXPECT_TRUE(delegate()->on_shown_called());
+  EXPECT_FALSE(delegate()->on_dismissed_called());
+  EXPECT_FALSE(delegate()->update_bounds_called());
+  focus_client->FocusWindow(shower()->GetWindow());
+  EXPECT_TRUE(shower()->GetTargetVisibility());
+
+  scoped_ptr<aura::Window> window(
+      CreateNormalWindow(1, root_window(), nullptr));
+  focus_client->FocusWindow(window.get());
+
+  EXPECT_TRUE(delegate()->on_dismissed_called());
+  EXPECT_FALSE(delegate()->update_bounds_called());
+  EXPECT_FALSE(shower()->GetTargetVisibility());
+}
+
+// Tests that app launcher remains visible when focus moves to a window which
+// is app list window's sibling and that appropriate delegate callbacks are
+// executed when the app launcher is shown.
+TEST_F(AppListShowerImplTest, RemainVisibleWhenFocusingToSibling) {
+  aura::client::FocusClient* focus_client =
+      aura::client::GetFocusClient(root_window());
+  shower()->Show(container());
+  focus_client->FocusWindow(shower()->GetWindow());
+  EXPECT_TRUE(shower()->GetTargetVisibility());
+  EXPECT_TRUE(delegate()->init_called());
+  EXPECT_TRUE(delegate()->on_shown_called());
+  EXPECT_FALSE(delegate()->on_dismissed_called());
+  EXPECT_FALSE(delegate()->update_bounds_called());
+
+  // Create a sibling window.
+  scoped_ptr<aura::Window> window(CreateNormalWindow(1, container(), nullptr));
+  focus_client->FocusWindow(window.get());
+
+  EXPECT_TRUE(shower()->GetTargetVisibility());
+  EXPECT_FALSE(delegate()->on_dismissed_called());
+  EXPECT_FALSE(delegate()->update_bounds_called());
+}
+
+// Tests that UpdateBounds is called on the delegate when the root window
+// is resized.
+TEST_F(AppListShowerImplTest, RootWindowResize) {
+  shower()->Show(container());
+  EXPECT_FALSE(delegate()->update_bounds_called());
+  gfx::Rect bounds = root_window()->bounds();
+  bounds.Inset(-10, 0);
+  root_window()->SetBounds(bounds);
+  EXPECT_TRUE(delegate()->update_bounds_called());
+}
+
+// Tests that the app list is dismissed and the delegate is destroyed when the
+// app list's widget is destroyed.
+TEST_F(AppListShowerImplTest, WidgetDestroyed) {
+  shower()->Show(container());
+  EXPECT_TRUE(shower()->GetTargetVisibility());
+  shower()->GetView()->GetWidget()->CloseNow();
+  EXPECT_FALSE(shower()->GetTargetVisibility());
+  test::AppListShowerImplTestApi shower_test_api(shower());
+  EXPECT_FALSE(shower_test_api.shower_delegate());
+}
+
+}  // namespace app_list