Make the notification builder more XPC friendly

chrome/browser/notifications/notification_builder_mac.mm

-// Copyright 2016 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/notifications/notification_builder_mac.h"
-
-#import <AppKit/AppKit.h>
-
-#include "base/mac/mac_util.h"
-#include "base/mac/scoped_nsobject.h"
-#include "chrome/grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util_mac.h"
-
-namespace {
-
-// Internal builder constants representing the different notification fields
-// They don't need to be exposed outside the builder.
-
-NSString* const kNotificationTitle = @"title";
-NSString* const kNotificationSubTitle = @"subtitle";
-NSString* const kNotificationInformativeText = @"informativeText";
-NSString* const kNotificationImage = @"icon";
-NSString* const kNotificationButtonOne = @"buttonOne";
-NSString* const kNotificationButtonTwo = @"buttonTwo";
-NSString* const kNotificationTag = @"tag";
-
-}  // namespace
-
-namespace notification_builder {
-
-// Exposed constants to include user related data in the notification.
-NSString* const kNotificationOrigin = @"notificationOrigin";
-NSString* const kNotificationId = @"notificationId";
-NSString* const kNotificationProfileId = @"notificationProfileId";
-NSString* const kNotificationIncognito = @"notificationIncognito";
-
-}  // namespace notification_builder
-
-@implementation NotificationBuilder {
-  base::scoped_nsobject<NSMutableDictionary> notificationData_;
-}
-
-- (instancetype)init {
-  if ((self = [super init])) {
-    notificationData_.reset([[NSMutableDictionary alloc] init]);
-  }
-  return self;
-}
-
-- (instancetype)initWithDictionary:(NSDictionary*)data {
-  if ((self = [super init])) {
-    notificationData_.reset([data copy]);
-  }
-  return self;
-}
-
-- (void)setTitle:(NSString*)title {
-  if (title.length)
-    [notificationData_ setObject:title forKey:kNotificationTitle];
-}
-
-- (void)setSubTitle:(NSString*)subTitle {
-  if (subTitle.length)
-    [notificationData_ setObject:subTitle forKey:kNotificationSubTitle];
-}
-
-- (void)setContextMessage:(NSString*)contextMessage {
-  if (contextMessage.length)
-    [notificationData_ setObject:contextMessage
-                          forKey:kNotificationInformativeText];
-}
-
-- (void)setIcon:(NSImage*)icon {
-  if (icon)
-    [notificationData_ setObject:icon forKey:kNotificationImage];
-}
-
-- (void)setButtons:(NSString*)primaryButton
-    secondaryButton:(NSString*)secondaryButton {
-  DCHECK(primaryButton.length);
-  [notificationData_ setObject:primaryButton forKey:kNotificationButtonOne];
-  if (secondaryButton.length) {
-    [notificationData_ setObject:secondaryButton forKey:kNotificationButtonTwo];
-  }
-}
-
-- (void)setTag:(NSString*)tag {
-  if (tag.length)
-    [notificationData_ setObject:tag forKey:kNotificationTag];
-}
-
-- (void)setOrigin:(NSString*)origin {
-  if (origin.length)
-    [notificationData_ setObject:origin
-                          forKey:notification_builder::kNotificationOrigin];
-}
-
-- (void)setNotificationId:(NSString*)notificationId {
-  DCHECK(notificationId.length);
-  [notificationData_ setObject:notificationId
-                        forKey:notification_builder::kNotificationId];
-}
-
-- (void)setProfileId:(NSString*)profileId {
-  DCHECK(profileId.length);
-  [notificationData_ setObject:profileId
-                        forKey:notification_builder::kNotificationProfileId];
-}
-
-- (void)setIncognito:(BOOL)incognito {
-  [notificationData_ setObject:[NSNumber numberWithBool:incognito]
-                        forKey:notification_builder::kNotificationIncognito];
-}
-
-- (NSUserNotification*)buildUserNotification {
-  base::scoped_nsobject<NSUserNotification> toast(
-      [[NSUserNotification alloc] init]);
-  [toast setTitle:[notificationData_ objectForKey:kNotificationTitle]];
-  [toast setSubtitle:[notificationData_ objectForKey:kNotificationSubTitle]];
-  [toast setInformativeText:[notificationData_
-                                objectForKey:kNotificationInformativeText]];
-
-  // Icon
-  if ([notificationData_ objectForKey:kNotificationImage]) {
-    if ([toast respondsToSelector:@selector(_identityImage)]) {
-      NSImage* image = [notificationData_ objectForKey:kNotificationImage];
-      [toast setValue:image forKey:@"_identityImage"];
-      [toast setValue:@NO forKey:@"_identityImageHasBorder"];
-    }
-  }
-
-  // Buttons
-  if ([toast respondsToSelector:@selector(_showsButtons)]) {
-    [toast setValue:@YES forKey:@"_showsButtons"];
-    // A default close button label is provided by the platform but we
-    // explicitly override it in case the user decides to not
-    // use the OS language in Chrome.
-    [toast setOtherButtonTitle:l10n_util::GetNSString(
-                                   IDS_NOTIFICATION_BUTTON_CLOSE)];
-
-    // Display the Settings button as the action button if there are either no
-    // developer-provided action buttons, or the alternate action menu is not
-    // available on this Mac version. This avoids needlessly showing the menu.
-    // TODO(miguelg): Extensions should not have a settings button.
-    if (![notificationData_ objectForKey:kNotificationButtonOne] ||
-        ![toast respondsToSelector:@selector(_alwaysShowAlternateActionMenu)]) {
-      [toast setActionButtonTitle:l10n_util::GetNSString(
-                                      IDS_NOTIFICATION_BUTTON_SETTINGS)];
-    } else {
-      // Otherwise show the alternate menu, then show the developer actions and
-      // finally the settings one.
-      DCHECK(
-          [toast respondsToSelector:@selector(_alwaysShowAlternateActionMenu)]);
-      DCHECK(
-          [toast respondsToSelector:@selector(_alternateActionButtonTitles)]);
-      [toast setActionButtonTitle:l10n_util::GetNSString(
-                                      IDS_NOTIFICATION_BUTTON_OPTIONS)];
-      [toast setValue:@YES forKey:@"_alwaysShowAlternateActionMenu"];
-
-      NSMutableArray* buttons = [NSMutableArray arrayWithCapacity:3];
-      [buttons
-          addObject:[notificationData_ objectForKey:kNotificationButtonOne]];
-      if ([notificationData_ objectForKey:kNotificationButtonTwo]) {
-        [buttons
-            addObject:[notificationData_ objectForKey:kNotificationButtonTwo]];
-      }
-      [buttons
-          addObject:l10n_util::GetNSString(IDS_NOTIFICATION_BUTTON_SETTINGS)];
-      [toast setValue:buttons forKey:@"_alternateActionButtonTitles"];
-    }
-  }
-
-  // Tag
-  if ([toast respondsToSelector:@selector(setIdentifier:)] &&
-      [notificationData_ objectForKey:kNotificationTag]) {
-    [toast setValue:[notificationData_ objectForKey:kNotificationTag]
-             forKey:@"identifier"];
-  }
-
-  NSString* origin =
-      [notificationData_ objectForKey:notification_builder::kNotificationOrigin]
-          ? [notificationData_
-                objectForKey:notification_builder::kNotificationOrigin]
-          : @"";
-  DCHECK(
-      [notificationData_ objectForKey:notification_builder::kNotificationId]);
-  NSString* notificationId =
-      [notificationData_ objectForKey:notification_builder::kNotificationId];
-
-  DCHECK([notificationData_
-      objectForKey:notification_builder::kNotificationProfileId]);
-  NSString* profileId = [notificationData_
-      objectForKey:notification_builder::kNotificationProfileId];
-
-  DCHECK([notificationData_
-      objectForKey:notification_builder::kNotificationIncognito]);
-  NSNumber* incognito = [notificationData_
-      objectForKey:notification_builder::kNotificationIncognito];
-
-  toast.get().userInfo = @{
-    notification_builder::kNotificationOrigin : origin,
-    notification_builder::kNotificationId : notificationId,
-    notification_builder::kNotificationProfileId : profileId,
-    notification_builder::kNotificationIncognito : incognito,
-  };
-
-  return toast.autorelease();
-}
-
-- (NSDictionary*)buildDictionary {
-  return [[notificationData_ copy] autorelease];
-}
-
-@end