Add unittests of ArcCustomNotificationView

ui/arc/notification/arc_notification_item_impl.cc

+// Copyright 2017 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/arc/notification/arc_notification_item_impl.h"
+
+#include <algorithm>
+#include <utility>
+#include <vector>
+
+#include "base/memory/ptr_util.h"
+#include "base/strings/string16.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/task_runner.h"
+#include "base/task_scheduler/post_task.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkPaint.h"
+#include "ui/arc/notification/arc_custom_notification_view.h"
+#include "ui/arc/notification/arc_notification_delegate.h"
+#include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/image/image.h"
+#include "ui/gfx/text_elider.h"
+#include "ui/message_center/message_center_style.h"
+#include "ui/message_center/notification.h"
+#include "ui/message_center/notification_types.h"
+#include "ui/message_center/notifier_settings.h"
+
+namespace arc {
+
+namespace {
+
+constexpr char kNotifierId[] = "ARC_NOTIFICATION";
+constexpr char kNotificationIdPrefix[] = "ARC_NOTIFICATION_";
+
+}  // anonymous namespace
+
+ArcNotificationItemImpl::ArcNotificationItemImpl(
+    ArcNotificationManager* manager,
+    message_center::MessageCenter* message_center,
+    const std::string& notification_key,
+    const AccountId& profile_id)
+    : manager_(manager),
+      message_center_(message_center),
+      profile_id_(profile_id),
+      notification_key_(notification_key),
+      notification_id_(kNotificationIdPrefix + notification_key_),
+      weak_ptr_factory_(this) {}
+
+ArcNotificationItemImpl::~ArcNotificationItemImpl() {
+  for (auto& observer : observers_)
+    observer.OnItemDestroying();
+}
+
+void ArcNotificationItemImpl::UpdateWithArcNotificationData(
+    mojom::ArcNotificationDataPtr data) {
+  DCHECK(CalledOnValidThread());
+  DCHECK_EQ(notification_key(), data->key);
+
+  if (HasPendingNotification()) {
+    CacheArcNotificationData(std::move(data));
+    return;
+  }
+

[hidehiko, 2017/03/02 15:38:16]

Here, some code is dropped. Any background?

+  message_center::RichNotificationData rich_data;
+  rich_data.pinned = (data->no_clear || data->ongoing_event);
+  rich_data.priority = ConvertAndroidPriority(data->priority);
+  if (data->small_icon)
+    rich_data.small_image = gfx::Image::CreateFrom1xBitmap(*data->small_icon);
+  if (data->accessible_name.has_value())
+    rich_data.accessible_name = base::UTF8ToUTF16(*data->accessible_name);
+
+  message_center::NotifierId notifier_id(
+      message_center::NotifierId::SYSTEM_COMPONENT, kNotifierId);
+  notifier_id.profile_id = profile_id().GetUserEmail();
+
+  SetNotification(base::MakeUnique<message_center::Notification>(
+      message_center::NOTIFICATION_TYPE_CUSTOM, notification_id(),
+      base::UTF8ToUTF16(data->title), base::UTF8ToUTF16(data->message),
+      gfx::Image(),
+      base::UTF8ToUTF16("arc"),  // display source
+      GURL(),                    // empty origin url, for system component
+      notifier_id, rich_data,
+      new ArcNotificationDelegate(weak_ptr_factory_.GetWeakPtr())));
+
+  pinned_ = rich_data.pinned;
+
+  if (!data->snapshot_image || data->snapshot_image->isNull()) {
+    snapshot_ = gfx::ImageSkia();
+  } else {
+    snapshot_ = gfx::ImageSkia(
+        gfx::ImageSkiaRep(*data->snapshot_image, data->snapshot_image_scale));
+  }
+
+  for (auto& observer : observers_)
+    observer.OnItemUpdated();
+
+  AddToMessageCenter();
+}
+
+void ArcNotificationItemImpl::OnClosedFromAndroid() {
+  being_removed_by_manager_ = true;  // Closing is initiated by the manager.
+  message_center_->RemoveNotification(notification_id_, false /* by_user */);
+}
+
+void ArcNotificationItemImpl::Close(bool by_user) {
+  if (being_removed_by_manager_) {
+    // Closing is caused by the manager, so we don't need to nofify a close
+    // event to the manager.
+    return;
+  }
+
+  // Do not touch its any members afterwards, because this instance will be
+  // destroyed in the following call
+  manager_->SendNotificationRemovedFromChrome(notification_key_);
+}
+
+void ArcNotificationItemImpl::OpenSettings() {
+  manager_->OpenNotificationSettings(notification_key_);
+}
+
+// Converts from Android notification priority to Chrome notification priority.
+// On Android, PRIORITY_DEFAULT does not pop up, so this maps PRIORITY_DEFAULT
+// to Chrome's -1 to adapt that behavior. Also, this maps PRIORITY_LOW and _HIGH
+// to -2 and 0 respectively to adjust the value with keeping the order among
+// _LOW, _DEFAULT and _HIGH.
+// static
+int ArcNotificationItemImpl::ConvertAndroidPriority(int android_priority) {
+  switch (android_priority) {
+    case -2:  // PRIORITY_MIN
+    case -1:  // PRIORITY_LOW
+      return -2;
+    case 0:  // PRIORITY_DEFAULT
+      return -1;
+    case 1:  // PRIORITY_HIGH
+      return 0;
+    case 2:  // PRIORITY_MAX
+      return 2;
+    default:
+      NOTREACHED() << "Invalid Priority: " << android_priority;
+      return 0;
+  }
+}
+
+bool ArcNotificationItemImpl::HasPendingNotification() {
+  return (notification_ != nullptr);
+}
+
+void ArcNotificationItemImpl::CacheArcNotificationData(
+    mojom::ArcNotificationDataPtr data) {
+  // If old |newer_data_| has been stored, discard the old one.
+  newer_data_ = std::move(data);
+}
+
+void ArcNotificationItemImpl::SetNotification(
+    std::unique_ptr<message_center::Notification> notification) {
+  notification_ = std::move(notification);
+}
+
+void ArcNotificationItemImpl::AddToMessageCenter() {
+  DCHECK(notification_);
+  message_center_->AddNotification(std::move(notification_));
+
+  if (newer_data_) {
+    // There is the newer data, so updates again.
+    UpdateWithArcNotificationData(std::move(newer_data_));
+  }
+}
+
+bool ArcNotificationItemImpl::CalledOnValidThread() const {
+  return thread_checker_.CalledOnValidThread();
+}
+
+void ArcNotificationItemImpl::OnImageDecoded(const SkBitmap& bitmap) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  gfx::Image image = gfx::Image::CreateFrom1xBitmap(bitmap);
+  notification_->set_icon(image);
+  AddToMessageCenter();
+}
+
+void ArcNotificationItemImpl::CloseFromCloseButton() {
+  // Needs to manually remove notification from MessageCenter because
+  // the floating close button is not part of MessageCenter.
+  message_center()->RemoveNotification(notification_id(), true);
+  Close(true);
+}
+
+void ArcNotificationItemImpl::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void ArcNotificationItemImpl::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void ArcNotificationItemImpl::IncrementWindowRefCount() {
+  ++window_ref_count_;
+  if (window_ref_count_ == 1)
+    manager()->CreateNotificationWindow(notification_key());
+}
+
+void ArcNotificationItemImpl::DecrementWindowRefCount() {
+  DCHECK_GT(window_ref_count_, 0);
+  --window_ref_count_;
+  if (window_ref_count_ == 0)
+    manager()->CloseNotificationWindow(notification_key());
+}
+
+bool ArcNotificationItemImpl::pinned() const {
+  return pinned_;
+}
+
+const gfx::ImageSkia& ArcNotificationItemImpl::snapshot() const {
+  return snapshot_;
+}
+
+const std::string& ArcNotificationItemImpl::notification_key() const {
+  return notification_key_;
+}
+
+}  // namespace arc