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

chrome/browser/ui/cocoa/notifications/message_center_tray_bridge.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.
 
 #include "chrome/browser/ui/cocoa/notifications/message_center_tray_bridge.h"
 
 #include "base/bind.h"
 #include "base/i18n/number_formatting.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_tracker.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #import "ui/base/l10n/l10n_util_mac.h"
 #import "ui/message_center/cocoa/popup_collection.h"
-#import "ui/message_center/cocoa/status_item_view.h"
-#import "ui/message_center/cocoa/tray_controller.h"
-#import "ui/message_center/cocoa/tray_view_controller.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_tray.h"
 
 namespace message_center {
 
 MessageCenterTrayDelegate* CreateMessageCenterTray() {
   return new MessageCenterTrayBridge(g_browser_process->message_center());
 }
 
 }  // namespace message_center
 
 MessageCenterTrayBridge::MessageCenterTrayBridge(
     message_center::MessageCenter* message_center)
     : message_center_(message_center),
-      tray_(new message_center::MessageCenterTray(this, message_center)),
-      status_item_update_pending_(false),
-      weak_ptr_factory_(this) {
-  show_status_item_.Init(
-      prefs::kMessageCenterShowIcon,
-      g_browser_process->local_state(),
-      base::Bind(&MessageCenterTrayBridge::OnShowStatusItemChanged,
-                 weak_ptr_factory_.GetWeakPtr()));
+      tray_(new message_center::MessageCenterTray(this, message_center)) {
 }
 
 MessageCenterTrayBridge::~MessageCenterTrayBridge() {
-  [status_item_view_ removeItem];
 }
 
 void MessageCenterTrayBridge::OnMessageCenterTrayChanged() {
-  // Update the status item on the next run of the message loop so that if a
-  // popup is displayed, the item doesn't flash the unread count.
-  if (!status_item_update_pending_) {
-    status_item_update_pending_ = true;
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&MessageCenterTrayBridge::HandleMessageCenterTrayChanged,
-                   weak_ptr_factory_.GetWeakPtr()));
-  }
-
-  [tray_controller_ onMessageCenterTrayChanged];
 }
 
 bool MessageCenterTrayBridge::ShowPopups() {
   popup_collection_.reset(
       [[MCPopupCollection alloc] initWithMessageCenter:message_center_]);
   return true;
 }
 
 void MessageCenterTrayBridge::HidePopups() {
   popup_collection_.reset();
 }
 
 bool MessageCenterTrayBridge::ShowMessageCenter() {
-  if (tray_controller_)
-    return false;
-
-  OpenTrayWindow();
-  return true;
+  return false;
 }
 
 void MessageCenterTrayBridge::HideMessageCenter() {
-  [status_item_view_ setHighlight:NO];
-  [tray_controller_ close];
-  tray_controller_.autorelease();
-  UpdateStatusItem();
 }
 
 bool MessageCenterTrayBridge::ShowNotifierSettings() {
-  // This method needs to be implemented when the context menu of each
-  // notification is ready and it contains 'settings' menu item.
   return false;
 }
 
 bool MessageCenterTrayBridge::IsContextMenuEnabled() const {
-  // Cocoa message center doesn't support context menu yet.
   return false;
 }
 
 message_center::MessageCenterTray*
 MessageCenterTrayBridge::GetMessageCenterTray() {
   return tray_.get();
 }
-
-void MessageCenterTrayBridge::UpdateStatusItem() {
-  // We want a static message center icon while it's visible.
-  if (!status_item_view_ || message_center()->IsMessageCenterVisible())
-    return;
-
-  size_t unread_count = message_center_->UnreadNotificationCount();
-  bool quiet_mode = message_center_->IsQuietMode();
-  [status_item_view_ setUnreadCount:unread_count withQuietMode:quiet_mode];
-
-  if (unread_count > 0) {
-    base::string16 unread_count_string = base::FormatNumber(unread_count);
-    [status_item_view_ setToolTip:
-        l10n_util::GetNSStringF(IDS_MESSAGE_CENTER_TOOLTIP_UNREAD,
-            unread_count_string)];
-  } else {
-    [status_item_view_ setToolTip:
-        l10n_util::GetNSString(IDS_MESSAGE_CENTER_TOOLTIP)];
-  }
-}
-
-void MessageCenterTrayBridge::OpenTrayWindow() {
-  DCHECK(!tray_controller_);
-  tray_controller_.reset(
-      [[MCTrayController alloc] initWithMessageCenterTray:tray_.get()]);
-  [[tray_controller_ viewController] setTrayTitle:
-      l10n_util::GetNSStringF(IDS_MESSAGE_CENTER_FOOTER_WITH_PRODUCT_TITLE,
-          l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME))];
-
-  UpdateStatusItem();
-
-  DCHECK(status_item_view_);
-  [status_item_view_ setHighlight:YES];
-  NSRect frame = [[status_item_view_ window] frame];
-  [tray_controller_ showTrayAtRightOf:NSMakePoint(NSMinX(frame),
-                                                  NSMinY(frame))
-                             atLeftOf:NSMakePoint(NSMaxX(frame),
-                                                  NSMinY(frame))];
-}
-
-bool MessageCenterTrayBridge::CanShowStatusItem() const {
-  return g_browser_process->local_state()->GetBoolean(
-      prefs::kMessageCenterShowIcon);
-}
-
-bool MessageCenterTrayBridge::NeedsStatusItem() const {
-  return status_item_view_ || message_center_->NotificationCount() > 0;
-}
-
-void MessageCenterTrayBridge::ShowStatusItem() {
-  if (status_item_view_)
-    return;
-  status_item_view_.reset([[MCStatusItemView alloc] init]);
-  [status_item_view_ setCallback:^{
-      tray_->ToggleMessageCenterBubble();
-  }];
-}
-
-void MessageCenterTrayBridge::HideStatusItem() {
-  [status_item_view_ removeItem];
-  status_item_view_.reset();
-}
-
-void MessageCenterTrayBridge::HandleMessageCenterTrayChanged() {
-  // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465858
-  // is fixed.
-  tracked_objects::ScopedTracker tracking_profile1(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "465858 "
-          "MessageCenterTrayBridge::HandleMessageCenterTrayChanged::Start"));
-  status_item_update_pending_ = false;
-  if (CanShowStatusItem() && NeedsStatusItem()) {
-    // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465858
-    // is fixed.
-    tracked_objects::ScopedTracker tracking_profile2(
-        FROM_HERE_WITH_EXPLICIT_FUNCTION(
-            "465858 "
-            "MessageCenterTrayBridge::HandleMessageCenterTrayChanged::"
-            "ShowStatusItem"));
-    ShowStatusItem();
-
-    // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465858
-    // is fixed.
-    tracked_objects::ScopedTracker tracking_profile3(
-        FROM_HERE_WITH_EXPLICIT_FUNCTION(
-            "465858 "
-            "MessageCenterTrayBridge::HandleMessageCenterTrayChanged::"
-            "UpdateStatusItem"));
-    UpdateStatusItem();
-  } else {
-    // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465858
-    // is fixed.
-    tracked_objects::ScopedTracker tracking_profile4(
-        FROM_HERE_WITH_EXPLICIT_FUNCTION(
-            "465858 "
-            "MessageCenterTrayBridge::HandleMessageCenterTrayChanged::"
-            "HideStatusItem"));
-    HideStatusItem();
-  }
-}
-
-void MessageCenterTrayBridge::OnShowStatusItemChanged() {
-  if (CanShowStatusItem()) {
-    ShowStatusItem();
-    UpdateStatusItem();
-  } else {
-    HideStatusItem();
-  }
-}