[Eraser] First pass at removing the notification center panel.

ui/message_center/cocoa/tray_view_controller_unittest.mm

-// 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.
-
-#import "ui/message_center/cocoa/tray_view_controller.h"
-
-#include "base/mac/scoped_nsobject.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#import "ui/gfx/test/ui_cocoa_test_helper.h"
-#include "ui/message_center/fake_notifier_settings_provider.h"
-#include "ui/message_center/message_center.h"
-#include "ui/message_center/message_center_impl.h"
-#include "ui/message_center/message_center_style.h"
-#include "ui/message_center/notification.h"
-#include "ui/message_center/notifier_settings.h"
-
-using base::ASCIIToUTF16;
-
-namespace message_center {
-
-class TrayViewControllerTest : public ui::CocoaTest {
- public:
-  TrayViewControllerTest()
-    : center_(NULL) {
-  }
-
-  void SetUp() override {
-    ui::CocoaTest::SetUp();
-    message_center::MessageCenter::Initialize();
-    center_ = message_center::MessageCenter::Get();
-    center_->DisableTimersForTest();
-    tray_.reset([[MCTrayViewController alloc] initWithMessageCenter:center_]);
-    [tray_ setAnimationDuration:0.002];
-    [tray_ setAnimateClearingNextNotificationDelay:0.001];
-    [tray_ setAnimationEndedCallback:^{
-        if (nested_run_loop_.get())
-          nested_run_loop_->Quit();
-    }];
-    [tray_ view];  // Create the view.
-  }
-
-  void TearDown() override {
-    tray_.reset();
-    message_center::MessageCenter::Shutdown();
-    ui::CocoaTest::TearDown();
-  }
-
-  void WaitForAnimationEnded() {
-    if (![tray_ isAnimating])
-      return;
-    nested_run_loop_.reset(new base::RunLoop());
-    nested_run_loop_->Run();
-    nested_run_loop_.reset();
-  }
-
- protected:
-  message_center::NotifierId DummyNotifierId() {
-    return message_center::NotifierId();
-  }
-
-  message_center::MessageCenter* center_;  // Weak, global.
-
-  base::MessageLoopForUI message_loop_;
-  scoped_ptr<base::RunLoop> nested_run_loop_;
-  base::scoped_nsobject<MCTrayViewController> tray_;
-};
-
-TEST_F(TrayViewControllerTest, AddRemoveOne) {
-  NSScrollView* view = [[tray_ scrollView] documentView];
-  EXPECT_EQ(0u, [[view subviews] count]);
-  scoped_ptr<message_center::Notification> notification_data;
-  notification_data.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "1",
-      ASCIIToUTF16("First notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification_data.Pass());
-  [tray_ onMessageCenterTrayChanged];
-  ASSERT_EQ(1u, [[view subviews] count]);
-
-  // The view should have padding around it.
-  NSView* notification = [[view subviews] objectAtIndex:0];
-  NSRect notification_frame = [notification frame];
-  EXPECT_CGFLOAT_EQ(2 * message_center::kMarginBetweenItems,
-                    NSHeight([view frame]) - NSHeight(notification_frame));
-  EXPECT_CGFLOAT_EQ(2 * message_center::kMarginBetweenItems,
-                    NSWidth([view frame]) - NSWidth(notification_frame));
-  EXPECT_GT(NSHeight([[tray_ view] frame]),
-            NSHeight([[tray_ scrollView] frame]));
-
-  center_->RemoveNotification("1", true);
-  [tray_ onMessageCenterTrayChanged];
-  EXPECT_EQ(0u, [[view subviews] count]);
-  // The empty tray is now 100px tall to accommodate
-  // the empty message.
-  EXPECT_CGFLOAT_EQ(message_center::kMinScrollViewHeight,
-                    NSHeight([view frame]));
-}
-
-TEST_F(TrayViewControllerTest, AddThreeClearAll) {
-  NSScrollView* view = [[tray_ scrollView] documentView];
-  EXPECT_EQ(0u, [[view subviews] count]);
-  scoped_ptr<message_center::Notification> notification;
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "1",
-      ASCIIToUTF16("First notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "2",
-      ASCIIToUTF16("Second notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "3",
-      ASCIIToUTF16("Third notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  [tray_ onMessageCenterTrayChanged];
-  ASSERT_EQ(3u, [[view subviews] count]);
-
-  [tray_ clearAllNotifications:nil];
-  WaitForAnimationEnded();
-  [tray_ onMessageCenterTrayChanged];
-
-  EXPECT_EQ(0u, [[view subviews] count]);
-  // The empty tray is now 100px tall to accommodate
-  // the empty message.
-  EXPECT_CGFLOAT_EQ(message_center::kMinScrollViewHeight,
-                    NSHeight([view frame]));
-}
-
-TEST_F(TrayViewControllerTest, NoClearAllWhenNoNotifications) {
-  EXPECT_TRUE([tray_ pauseButton]);
-  EXPECT_TRUE([tray_ clearAllButton]);
-
-  // With no notifications, the clear all button should be hidden.
-  EXPECT_TRUE([[tray_ clearAllButton] isHidden]);
-  EXPECT_LT(NSMinX([[tray_ clearAllButton] frame]),
-            NSMinX([[tray_ pauseButton] frame]));
-
-  // Add a notification.
-  scoped_ptr<message_center::Notification> notification;
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "1",
-      ASCIIToUTF16("First notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  [tray_ onMessageCenterTrayChanged];
-
-  // Clear all should now be visible.
-  EXPECT_FALSE([[tray_ clearAllButton] isHidden]);
-  EXPECT_GT(NSMinX([[tray_ clearAllButton] frame]),
-            NSMinX([[tray_ pauseButton] frame]));
-
-  // Adding a second notification should keep things still visible.
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "2",
-      ASCIIToUTF16("Second notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  [tray_ onMessageCenterTrayChanged];
-  EXPECT_FALSE([[tray_ clearAllButton] isHidden]);
-  EXPECT_GT(NSMinX([[tray_ clearAllButton] frame]),
-            NSMinX([[tray_ pauseButton] frame]));
-
-  // Clear all notifications.
-  [tray_ clearAllNotifications:nil];
-  WaitForAnimationEnded();
-  [tray_ onMessageCenterTrayChanged];
-
-  // The button should be hidden again.
-  EXPECT_TRUE([[tray_ clearAllButton] isHidden]);
-  EXPECT_LT(NSMinX([[tray_ clearAllButton] frame]),
-            NSMinX([[tray_ pauseButton] frame]));
-}
-
-namespace {
-
-Notifier* NewNotifier(const std::string& id,
-                      const std::string& title,
-                      bool enabled) {
-  NotifierId notifier_id(NotifierId::APPLICATION, id);
-  return new Notifier(notifier_id, base::UTF8ToUTF16(title), enabled);
-}
-
-}  // namespace
-
-
-TEST_F(TrayViewControllerTest, Settings) {
-  std::vector<Notifier*> notifiers;
-  notifiers.push_back(NewNotifier("id", "title", /*enabled=*/true));
-  notifiers.push_back(NewNotifier("id2", "other title", /*enabled=*/false));
-
-  FakeNotifierSettingsProvider provider(notifiers);
-  center_->SetNotifierSettingsProvider(&provider);
-
-  CGFloat trayHeight = NSHeight([[tray_ view] frame]);
-  EXPECT_EQ(0, provider.closed_called_count());
-
-  [tray_ showSettings:nil];
-  EXPECT_FALSE(center_->IsMessageCenterVisible());
-
-  // There are 0 notifications, but 2 notifiers. The settings pane should be
-  // higher than the empty tray bubble.
-  EXPECT_LT(trayHeight, NSHeight([[tray_ view] frame]));
-
-  [tray_ showMessages:nil];
-  EXPECT_EQ(1, provider.closed_called_count());
-  EXPECT_TRUE(center_->IsMessageCenterVisible());
-
-  // The tray should be back at its previous height now.
-  EXPECT_EQ(trayHeight, NSHeight([[tray_ view] frame]));
-
-  // Clean up since this frame owns FakeNotifierSettingsProvider.
-  center_->SetNotifierSettingsProvider(NULL);
-}
-
-TEST_F(TrayViewControllerTest, EmptyCenter) {
-  EXPECT_FALSE([[tray_ emptyDescription] isHidden]);
-
-  // With no notifications, the divider should be hidden.
-  EXPECT_TRUE([[tray_ divider] isHidden]);
-  EXPECT_TRUE([[tray_ scrollView] isHidden]);
-
-  scoped_ptr<message_center::Notification> notification;
-  notification.reset(new message_center::Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, "1",
-      ASCIIToUTF16("First notification"),
-      ASCIIToUTF16("This is a simple test."), gfx::Image(), base::string16(),
-      GURL(), DummyNotifierId(), message_center::RichNotificationData(), NULL));
-  center_->AddNotification(notification.Pass());
-  [tray_ onMessageCenterTrayChanged];
-
-  EXPECT_FALSE([[tray_ divider] isHidden]);
-  EXPECT_FALSE([[tray_ scrollView] isHidden]);
-  EXPECT_TRUE([[tray_ emptyDescription] isHidden]);
-}
-
-}  // namespace message_center