Send notification to users upon receiving sms messages

ash/common/system/chromeos/network/tray_sms.cc

Index: ash/common/system/chromeos/network/tray_sms.cc
diff --git a/ash/common/system/chromeos/network/tray_sms.cc b/ash/common/system/chromeos/network/tray_sms.cc
deleted file mode 100644
index a66886308ce283668e8021676646bbf9dab10b54..0000000000000000000000000000000000000000
--- a/ash/common/system/chromeos/network/tray_sms.cc
+++ /dev/null
@@ -1,428 +0,0 @@
-// Copyright (c) 2012 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 "ash/common/system/chromeos/network/tray_sms.h"
-
-#include <utility>
-
-#include "ash/common/material_design/material_design_controller.h"
-#include "ash/common/metrics/user_metrics_action.h"
-#include "ash/common/system/tray/fixed_sized_scroll_view.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/system_tray_bubble.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/system/tray/tray_details_view.h"
-#include "ash/common/system/tray/tray_item_more.h"
-#include "ash/common/system/tray/tray_item_view.h"
-#include "ash/common/system/tray/tray_notification_view.h"
-#include "ash/common/wm_shell.h"
-#include "ash/resources/vector_icons/vector_icons.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chromeos/network/network_event_log.h"
-#include "chromeos/network/network_handler.h"
-#include "grit/ash_resources.h"
-#include "grit/ash_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-#include "ui/views/layout/grid_layout.h"
-#include "ui/views/view.h"
-
-namespace {
-
-// Min height of the list of messages in the popup.
-const int kMessageListMinHeight = 200;
-// Top/bottom padding of the text items.
-const int kPaddingVertical = 10;
-
-const char kSmsNumberKey[] = "number";
-const char kSmsTextKey[] = "text";
-
-bool GetMessageFromDictionary(const base::DictionaryValue* message,
-                              std::string* number,
-                              std::string* text) {
-  if (!message->GetStringWithoutPathExpansion(kSmsNumberKey, number))
-    return false;
-  if (!message->GetStringWithoutPathExpansion(kSmsTextKey, text))
-    return false;
-  return true;
-}
-
-}  // namespace
-
-namespace ash {
-
-class TraySms::SmsDefaultView : public TrayItemMore {
- public:
-  explicit SmsDefaultView(TraySms* owner) : TrayItemMore(owner, true) {
-    if (MaterialDesignController::UseMaterialDesignSystemIcons()) {
-      SetImage(gfx::CreateVectorIcon(kSystemMenuSmsIcon, kMenuIconSize,
-                                     kMenuIconColor));
-    } else {
-      SetImage(*ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-          IDR_AURA_UBER_TRAY_SMS));
-    }
-    Update();
-  }
-
-  ~SmsDefaultView() override {}
-
-  void Update() {
-    int message_count = static_cast<TraySms*>(owner())->messages().GetSize();
-    // TODO(jshin): Currently, a tabular format is used ("SMS Messages:
-    // <count>"). Check with UX if '<count> SMS messages' with a proper plural
-    // support is desired.
-    base::string16 label = l10n_util::GetStringFUTF16Int(
-        IDS_ASH_STATUS_TRAY_SMS_MESSAGES, message_count);
-    SetLabel(label);
-    SetAccessibleName(label);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SmsDefaultView);
-};
-
-// An entry (row) in SmsDetailedView or NotificationView.
-class TraySms::SmsMessageView : public views::View,
-                                public views::ButtonListener {
- public:
-  enum ViewType { VIEW_DETAILED, VIEW_NOTIFICATION };
-
-  SmsMessageView(TraySms* owner,
-                 ViewType view_type,
-                 size_t index,
-                 const std::string& number,
-                 const std::string& message)
-      : owner_(owner), index_(index) {
-    // TODO(jshin): Convert ASCII digits in |number| (phone number) to native
-    // digits if necessary. |number| can contain non-digit characters and may
-    // have to be converted one-by-one or use libphonenumber's formating API.
-    number_label_ = new views::Label(
-        l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_SMS_NUMBER,
-                                   base::UTF8ToUTF16(number)),
-        ui::ResourceBundle::GetSharedInstance().GetFontList(
-            ui::ResourceBundle::BoldFont));
-    number_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-
-    message_label_ = new views::Label(base::UTF8ToUTF16(message));
-    message_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-    message_label_->SetMultiLine(true);
-
-    if (view_type == VIEW_DETAILED)
-      LayoutDetailedView();
-    else
-      LayoutNotificationView();
-  }
-
-  ~SmsMessageView() override {}
-
-  // Overridden from ButtonListener.
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override {
-    if (owner_->RemoveMessage(index_)) {
-      WmShell::Get()->RecordUserMetricsAction(
-          UMA_STATUS_AREA_SMS_DETAILED_DISMISS_MSG);
-    }
-    owner_->Update(false);
-  }
-
- private:
-  void LayoutDetailedView() {
-    views::ImageButton* close_button = new views::ImageButton(this);
-    close_button->SetImage(
-        views::CustomButton::STATE_NORMAL,
-        ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-            IDR_AURA_UBER_TRAY_SMS_DISMISS));
-    const int msg_width =
-        owner_->system_tray()
-            ->GetSystemBubble()
-            ->bubble_view()
-            ->GetPreferredSize()
-            .width() -
-        (kNotificationIconWidth + kTrayPopupPaddingHorizontal * 2);
-    message_label_->SizeToFit(msg_width);
-
-    views::GridLayout* layout = new views::GridLayout(this);
-    SetLayoutManager(layout);
-
-    views::ColumnSet* columns = layout->AddColumnSet(0);
-
-    // Message
-    columns->AddPaddingColumn(0, kTrayPopupPaddingHorizontal);
-    columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
-                       0 /* resize percent */, views::GridLayout::FIXED,
-                       msg_width, msg_width);
-
-    // Close button
-    columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::CENTER,
-                       0, /* resize percent */
-                       views::GridLayout::FIXED, kNotificationIconWidth,
-                       kNotificationIconWidth);
-
-    layout->AddPaddingRow(0, kPaddingVertical);
-    layout->StartRow(0, 0);
-    layout->AddView(number_label_);
-    layout->AddView(close_button, 1, 2);  // 2 rows for icon
-    layout->StartRow(0, 0);
-    layout->AddView(message_label_);
-
-    layout->AddPaddingRow(0, kPaddingVertical);
-  }
-
-  void LayoutNotificationView() {
-    SetLayoutManager(
-        new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 1));
-    AddChildView(number_label_);
-    message_label_->SizeToFit(kTrayNotificationContentsWidth);
-    AddChildView(message_label_);
-  }
-
-  TraySms* owner_;
-  size_t index_;
-  views::Label* number_label_;
-  views::Label* message_label_;
-
-  DISALLOW_COPY_AND_ASSIGN(SmsMessageView);
-};
-
-class TraySms::SmsDetailedView : public TrayDetailsView {
- public:
-  explicit SmsDetailedView(TraySms* owner) : TrayDetailsView(owner) {
-    Init();
-    Update();
-  }
-
-  ~SmsDetailedView() override {}
-
-  void Init() {
-    CreateScrollableList();
-    CreateTitleRow(IDS_ASH_STATUS_TRAY_SMS);
-  }
-
-  void Update() {
-    UpdateMessageList();
-    Layout();
-    SchedulePaint();
-  }
-
-  // Overridden from views::View.
-  gfx::Size GetPreferredSize() const override {
-    gfx::Size preferred_size = TrayDetailsView::GetPreferredSize();
-    if (preferred_size.height() < kMessageListMinHeight)
-      preferred_size.set_height(kMessageListMinHeight);
-    return preferred_size;
-  }
-
- private:
-  void UpdateMessageList() {
-    const base::ListValue& messages =
-        static_cast<TraySms*>(owner())->messages();
-    scroll_content()->RemoveAllChildViews(true);
-    for (size_t index = 0; index < messages.GetSize(); ++index) {
-      const base::DictionaryValue* message = nullptr;
-      if (!messages.GetDictionary(index, &message)) {
-        LOG(ERROR) << "SMS message not a dictionary at: " << index;
-        continue;
-      }
-      std::string number, text;
-      if (!GetMessageFromDictionary(message, &number, &text)) {
-        LOG(ERROR) << "Error parsing SMS message";
-        continue;
-      }
-      SmsMessageView* msgview = new SmsMessageView(
-          static_cast<TraySms*>(owner()), SmsMessageView::VIEW_DETAILED, index,
-          number, text);
-      scroll_content()->AddChildView(msgview);
-    }
-    scroller()->Layout();
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(SmsDetailedView);
-};
-
-class TraySms::SmsNotificationView : public TrayNotificationView {
- public:
-  SmsNotificationView(TraySms* owner,
-                      size_t message_index,
-                      const std::string& number,
-                      const std::string& text)
-      : TrayNotificationView(owner, IDR_AURA_UBER_TRAY_SMS),
-        message_index_(message_index) {
-    SmsMessageView* message_view = new SmsMessageView(
-        owner, SmsMessageView::VIEW_NOTIFICATION, message_index_, number, text);
-    InitView(message_view);
-  }
-
-  void Update(size_t message_index,
-              const std::string& number,
-              const std::string& text) {
-    SmsMessageView* message_view =
-        new SmsMessageView(tray_sms(), SmsMessageView::VIEW_NOTIFICATION,
-                           message_index_, number, text);
-    UpdateView(message_view);
-  }
-
-  // Overridden from TrayNotificationView:
-  void OnClose() override {
-    if (tray_sms()->RemoveMessage(message_index_)) {
-      WmShell::Get()->RecordUserMetricsAction(
-          UMA_STATUS_AREA_SMS_NOTIFICATION_DISMISS_MSG);
-    }
-  }
-
-  void OnClickAction() override { owner()->PopupDetailedView(0, true); }
-
- private:
-  TraySms* tray_sms() { return static_cast<TraySms*>(owner()); }
-
-  size_t message_index_;
-
-  DISALLOW_COPY_AND_ASSIGN(SmsNotificationView);
-};
-
-TraySms::TraySms(SystemTray* system_tray)
-    : SystemTrayItem(system_tray, UMA_SMS),
-      default_(nullptr),
-      detailed_(nullptr),
-      notification_(nullptr) {
-  // TODO(armansito): SMS could be a special case for cellular that requires a
-  // user (perhaps the owner) to be logged in. If that is the case, then an
-  // additional check should be done before subscribing for SMS notifications.
-  if (chromeos::NetworkHandler::IsInitialized())
-    chromeos::NetworkHandler::Get()->network_sms_handler()->AddObserver(this);
-}
-
-TraySms::~TraySms() {
-  if (chromeos::NetworkHandler::IsInitialized()) {
-    chromeos::NetworkHandler::Get()->network_sms_handler()->RemoveObserver(
-        this);
-  }
-}
-
-views::View* TraySms::CreateDefaultView(LoginStatus status) {
-  CHECK(default_ == nullptr);
-  default_ = new SmsDefaultView(this);
-  default_->SetVisible(!messages_.empty());
-  return default_;
-}
-
-views::View* TraySms::CreateDetailedView(LoginStatus status) {
-  CHECK(detailed_ == nullptr);
-  HideNotificationView();
-  if (messages_.empty())
-    return nullptr;
-  detailed_ = new SmsDetailedView(this);
-  WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_DETAILED_SMS_VIEW);
-  return detailed_;
-}
-
-views::View* TraySms::CreateNotificationView(LoginStatus status) {
-  CHECK(notification_ == nullptr);
-  if (detailed_)
-    return nullptr;
-  size_t index;
-  std::string number, text;
-  if (GetLatestMessage(&index, &number, &text))
-    notification_ = new SmsNotificationView(this, index, number, text);
-  return notification_;
-}
-
-void TraySms::DestroyDefaultView() {
-  default_ = nullptr;
-}
-
-void TraySms::DestroyDetailedView() {
-  detailed_ = nullptr;
-}
-
-void TraySms::DestroyNotificationView() {
-  notification_ = nullptr;
-}
-
-void TraySms::MessageReceived(const base::DictionaryValue& message) {
-  std::string message_text;
-  if (!message.GetStringWithoutPathExpansion(
-          chromeos::NetworkSmsHandler::kTextKey, &message_text)) {
-    NET_LOG_ERROR("SMS message contains no content.", "");
-    return;
-  }
-  // TODO(armansito): A message might be due to a special "Message Waiting"
-  // state that the message is in. Once SMS handling moves to shill, such
-  // messages should be filtered there so that this check becomes unnecessary.
-  if (message_text.empty()) {
-    NET_LOG_DEBUG("SMS has empty content text. Ignoring.", "");
-    return;
-  }
-  std::string message_number;
-  if (!message.GetStringWithoutPathExpansion(
-          chromeos::NetworkSmsHandler::kNumberKey, &message_number)) {
-    NET_LOG_DEBUG("SMS contains no number. Ignoring.", "");
-    return;
-  }
-
-  NET_LOG_DEBUG(
-      "Received SMS from: " + message_number + " with text: " + message_text,
-      "");
-
-  auto dict = base::MakeUnique<base::DictionaryValue>();
-  dict->SetString(kSmsNumberKey, message_number);
-  dict->SetString(kSmsTextKey, message_text);
-  messages_.Append(std::move(dict));
-  Update(true);
-}
-
-bool TraySms::GetLatestMessage(size_t* index,
-                               std::string* number,
-                               std::string* text) {
-  if (messages_.empty())
-    return false;
-  base::DictionaryValue* message;
-  size_t message_index = messages_.GetSize() - 1;
-  if (!messages_.GetDictionary(message_index, &message))
-    return false;
-  if (!GetMessageFromDictionary(message, number, text))
-    return false;
-  *index = message_index;
-  return true;
-}
-
-bool TraySms::RemoveMessage(size_t index) {
-  if (index >= messages_.GetSize())
-    return false;
-  messages_.Remove(index, nullptr);
-  return true;
-}
-
-void TraySms::Update(bool notify) {
-  if (messages_.empty()) {
-    if (default_)
-      default_->SetVisible(false);
-    if (detailed_)
-      HideDetailedView(true /* animate */);
-    HideNotificationView();
-  } else {
-    if (default_) {
-      default_->SetVisible(true);
-      default_->Update();
-    }
-    if (detailed_)
-      detailed_->Update();
-    if (notification_) {
-      size_t index;
-      std::string number, text;
-      if (GetLatestMessage(&index, &number, &text))
-        notification_->Update(index, number, text);
-    } else if (notify) {
-      ShowNotificationView();
-    }
-  }
-}
-
-}  // namespace ash