msglist: Friendlier placeholder text when narrow has no messages

assets/l10n/app_en.arb

@@ -31,6 +31,10 @@
   "@upgradeWelcomeDialogDismiss":  {
     "description":  "Label for button dismissing dialog shown on first upgrade from the legacy Zulip app."
   },
+  "learnMoreButtonLabel": "Learn more",
+  "@learnMoreButtonLabel":  {
+    "description":  "Label for a 'Learn more' button."
+  },
   "chooseAccountPageTitle": "Choose account",
   "@chooseAccountPageTitle": {
     "description": "Title for the page to choose between Zulip accounts."
@@ -534,6 +538,75 @@
   "@emptyMessageList": {
     "description": "Placeholder for some message-list pages when there are no messages."
   },
+  "emptyMessageListCombinedFeed": "There are no messages in your combined feed.",
+  "@emptyMessageListCombinedFeed": {
+    "description": "Placeholder for the 'Combined feed' page when there are no messages."
+  },
+  "emptyMessageListPrivateChannelNotSubscribed": "This channel is private.",
+  "@emptyMessageListPrivateChannelNotSubscribed": {
+    "description": "Placeholder for a channel page when there are no messages, the channel is private, and you are not subscribed."
+  },
+  "emptyMessageListChannelUnavailable": "This channel doesn’t exist, or you are not allowed to view it.",
+  "@emptyMessageListChannelUnavailable": {
+    "description": "Placeholder for a channel page when there are no messages and the channel does not exist or you don't have access to it."
+  },
+  "emptyMessageListSelfDmHeader": "You have not sent any direct messages to yourself yet!",
+  "@emptyMessageListSelfDmHeader": {
+    "description": "Placeholder for the self-DM page when there are no messages."
+  },
+  "emptyMessageListSelfDmMessage": "Use this space for personal notes, or to test out Zulip features.",
+  "@emptyMessageListSelfDmMessage": {
+    "description": "Extra detail in the placeholder for the self-DM page when there are no messages."
+  },
+  "emptyMessageListDm": "You have no direct messages with {person} yet.",
+  "@emptyMessageListDm": {
+    "description": "Placeholder for a 1:1 DM page when there are no messages.",
+    "placeholders": {
+      "person": {"type": "String", "example": "Alice"}
+    }
+  },
+  "emptyMessageListDmDeactivatedUser": "You have no direct messages with {person}.",
+  "@emptyMessageListDmDeactivatedUser": {
+    "description": "Placeholder for a 1:1 DM page when there are no messages and the other user is deactivated.",
+    "placeholders": {
+      "person": {"type": "String", "example": "Alice"}
+    }
+  },
+  "emptyMessageListDmUnknownUser": "You have no direct messages with this person.",
+  "@emptyMessageListDmUnknownUser": {
+    "description": "Placeholder for a 1:1 DM page when there are no messages and the other user's name is unavailable."
+  },
+  "emptyMessageListGroupDm": "You have no direct messages with these users yet.",
+  "@emptyMessageListGroupDm": {
+    "description": "Placeholder for a group DM page when there are no messages."
+  },
+  "emptyMessageListGroupDmDeactivatedUser": "You have no direct messages with these users.",
+  "@emptyMessageListGroupDmDeactivatedUser": {
+    "description": "Placeholder for a group DM page when there are no messages and one or more participants is deactivated."
+  },
+  "emptyMessageListDmStartConversation": "Why not start the conversation?",
+  "@emptyMessageListDmStartConversation": {
+    "description": "Extra detail in the placeholder for some DM pages when there are no messages."
+  },
+  "emptyMessageListMentionsHeader": "This view will show messages where you are mentioned.",
+  "@emptyMessageListMentionsHeader": {
+    "description": "Placeholder for the 'Mentions' page when there are no messages."
+  },
+  "emptyMessageListMentionsMessage": "To call attention to a message, you can mention a user, a group, topic participants, or all subscribers to a channel. Type @ in the compose box, and choose who you’d like to mention from the list of suggestions.",
+  "@emptyMessageListMentionsMessage": {
+    "description": "Extra detail in the placeholder for the 'Mentions' page when there are no messages."
+  },
+  "emptyMessageListStarredHeader": "You have no starred messages.",
+  "@emptyMessageListStarredHeader": {
+    "description": "Placeholder for the 'Starred' page when there are no messages."
+  },
+  "emptyMessageListStarredMessage": "Starring messages is a good way to keep track of important messages, such as tasks you need to go back to, or useful references. To star a message, long-press it and tap “{button}.”",
+  "@emptyMessageListStarredMessage": {
+    "description": "Extra detail in the placeholder for the 'Starred' page when there are no messages. The {button} placeholder will be the button's translated text.",
+    "placeholders": {
+      "button": {"type": "String", "example": "Star message"}
+    }
+  },
   "messageListGroupYouWithYourself": "Messages with yourself",
   "@messageListGroupYouWithYourself": {
     "description": "Message list recipient header for a DM group that only includes yourself."

lib/generated/l10n/zulip_localizations.dart

@@ -177,6 +177,12 @@ abstract class ZulipLocalizations {
   /// **'Let\'s go'**
   String get upgradeWelcomeDialogDismiss;
 
+  /// Label for a 'Learn more' button.
+  ///
+  /// In en, this message translates to:
+  /// **'Learn more'**
+  String get learnMoreButtonLabel;
+
   /// Title for the page to choose between Zulip accounts.
   ///
   /// In en, this message translates to:
@@ -851,6 +857,96 @@ abstract class ZulipLocalizations {
   /// **'There are no messages here.'**
   String get emptyMessageList;
 
+  /// Placeholder for the 'Combined feed' page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'There are no messages in your combined feed.'**
+  String get emptyMessageListCombinedFeed;
+
+  /// Placeholder for a channel page when there are no messages, the channel is private, and you are not subscribed.
+  ///
+  /// In en, this message translates to:
+  /// **'This channel is private.'**
+  String get emptyMessageListPrivateChannelNotSubscribed;
+
+  /// Placeholder for a channel page when there are no messages and the channel does not exist or you don't have access to it.
+  ///
+  /// In en, this message translates to:
+  /// **'This channel doesn’t exist, or you are not allowed to view it.'**
+  String get emptyMessageListChannelUnavailable;
+
+  /// Placeholder for the self-DM page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'You have not sent any direct messages to yourself yet!'**
+  String get emptyMessageListSelfDmHeader;
+
+  /// Extra detail in the placeholder for the self-DM page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'Use this space for personal notes, or to test out Zulip features.'**
+  String get emptyMessageListSelfDmMessage;
+
+  /// Placeholder for a 1:1 DM page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no direct messages with {person} yet.'**
+  String emptyMessageListDm(String person);
+
+  /// Placeholder for a 1:1 DM page when there are no messages and the other user is deactivated.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no direct messages with {person}.'**
+  String emptyMessageListDmDeactivatedUser(String person);
+
+  /// Placeholder for a 1:1 DM page when there are no messages and the other user's name is unavailable.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no direct messages with this person.'**
+  String get emptyMessageListDmUnknownUser;
+
+  /// Placeholder for a group DM page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no direct messages with these users yet.'**
+  String get emptyMessageListGroupDm;
+
+  /// Placeholder for a group DM page when there are no messages and one or more participants is deactivated.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no direct messages with these users.'**
+  String get emptyMessageListGroupDmDeactivatedUser;
+
+  /// Extra detail in the placeholder for some DM pages when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'Why not start the conversation?'**
+  String get emptyMessageListDmStartConversation;
+
+  /// Placeholder for the 'Mentions' page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'This view will show messages where you are mentioned.'**
+  String get emptyMessageListMentionsHeader;
+
+  /// Extra detail in the placeholder for the 'Mentions' page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'To call attention to a message, you can mention a user, a group, topic participants, or all subscribers to a channel. Type @ in the compose box, and choose who you’d like to mention from the list of suggestions.'**
+  String get emptyMessageListMentionsMessage;
+
+  /// Placeholder for the 'Starred' page when there are no messages.
+  ///
+  /// In en, this message translates to:
+  /// **'You have no starred messages.'**
+  String get emptyMessageListStarredHeader;
+
+  /// Extra detail in the placeholder for the 'Starred' page when there are no messages. The {button} placeholder will be the button's translated text.
+  ///
+  /// In en, this message translates to:
+  /// **'Starring messages is a good way to keep track of important messages, such as tasks you need to go back to, or useful references. To star a message, long-press it and tap “{button}.”'**
+  String emptyMessageListStarredMessage(String button);
+
   /// Message list recipient header for a DM group that only includes yourself.
   ///
   /// In en, this message translates to:

lib/generated/l10n/zulip_localizations_ar.dart

@@ -34,6 +34,9 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
   @override
   String get upgradeWelcomeDialogDismiss => 'Let\'s go';
 
+  @override
+  String get learnMoreButtonLabel => 'Learn more';
+
   @override
   String get chooseAccountPageTitle => 'Choose account';
 
@@ -437,6 +440,68 @@ class ZulipLocalizationsAr extends ZulipLocalizations {
   @override
   String get emptyMessageList => 'There are no messages here.';
 
+  @override
+  String get emptyMessageListCombinedFeed =>
+      'There are no messages in your combined feed.';
+
+  @override
+  String get emptyMessageListPrivateChannelNotSubscribed =>
+      'This channel is private.';
+
+  @override
+  String get emptyMessageListChannelUnavailable =>
+      'This channel doesn’t exist, or you are not allowed to view it.';
+
+  @override
+  String get emptyMessageListSelfDmHeader =>
+      'You have not sent any direct messages to yourself yet!';
+
+  @override
+  String get emptyMessageListSelfDmMessage =>
+      'Use this space for personal notes, or to test out Zulip features.';
+
+  @override
+  String emptyMessageListDm(String person) {
+    return 'You have no direct messages with $person yet.';
+  }
+
+  @override
+  String emptyMessageListDmDeactivatedUser(String person) {
+    return 'You have no direct messages with $person.';
+  }
+
+  @override
+  String get emptyMessageListDmUnknownUser =>
+      'You have no direct messages with this person.';
+
+  @override
+  String get emptyMessageListGroupDm =>
+      'You have no direct messages with these users yet.';
+
+  @override
+  String get emptyMessageListGroupDmDeactivatedUser =>
+      'You have no direct messages with these users.';
+
+  @override
+  String get emptyMessageListDmStartConversation =>
+      'Why not start the conversation?';
+
+  @override
+  String get emptyMessageListMentionsHeader =>
+      'This view will show messages where you are mentioned.';
+
+  @override
+  String get emptyMessageListMentionsMessage =>
+      'To call attention to a message, you can mention a user, a group, topic participants, or all subscribers to a channel. Type @ in the compose box, and choose who you’d like to mention from the list of suggestions.';
+
+  @override
+  String get emptyMessageListStarredHeader => 'You have no starred messages.';
+
+  @override
+  String emptyMessageListStarredMessage(String button) {
+    return 'Starring messages is a good way to keep track of important messages, such as tasks you need to go back to, or useful references. To star a message, long-press it and tap “$button.”';
+  }
+
   @override
   String get messageListGroupYouWithYourself => 'Messages with yourself';
 

lib/generated/l10n/zulip_localizations_de.dart

@@ -34,6 +34,9 @@ class ZulipLocalizationsDe extends ZulipLocalizations {
   @override
   String get upgradeWelcomeDialogDismiss => 'Los gehts';
 
+  @override
+  String get learnMoreButtonLabel => 'Learn more';
+
   @override
   String get chooseAccountPageTitle => 'Konto auswählen';
 
@@ -452,6 +455,68 @@ class ZulipLocalizationsDe extends ZulipLocalizations {
   @override
   String get emptyMessageList => 'There are no messages here.';
 
+  @override
+  String get emptyMessageListCombinedFeed =>
+      'There are no messages in your combined feed.';
+
+  @override
+  String get emptyMessageListPrivateChannelNotSubscribed =>
+      'This channel is private.';
+
+  @override
+  String get emptyMessageListChannelUnavailable =>
+      'This channel doesn’t exist, or you are not allowed to view it.';
+
+  @override
+  String get emptyMessageListSelfDmHeader =>
+      'You have not sent any direct messages to yourself yet!';
+
+  @override
+  String get emptyMessageListSelfDmMessage =>
+      'Use this space for personal notes, or to test out Zulip features.';
+
+  @override
+  String emptyMessageListDm(String person) {
+    return 'You have no direct messages with $person yet.';
+  }
+
+  @override
+  String emptyMessageListDmDeactivatedUser(String person) {
+    return 'You have no direct messages with $person.';
+  }
+
+  @override
+  String get emptyMessageListDmUnknownUser =>
+      'You have no direct messages with this person.';
+
+  @override
+  String get emptyMessageListGroupDm =>
+      'You have no direct messages with these users yet.';
+
+  @override
+  String get emptyMessageListGroupDmDeactivatedUser =>
+      'You have no direct messages with these users.';
+
+  @override
+  String get emptyMessageListDmStartConversation =>
+      'Why not start the conversation?';
+
+  @override
+  String get emptyMessageListMentionsHeader =>
+      'This view will show messages where you are mentioned.';
+
+  @override
+  String get emptyMessageListMentionsMessage =>
+      'To call attention to a message, you can mention a user, a group, topic participants, or all subscribers to a channel. Type @ in the compose box, and choose who you’d like to mention from the list of suggestions.';
+
+  @override
+  String get emptyMessageListStarredHeader => 'You have no starred messages.';
+
+  @override
+  String emptyMessageListStarredMessage(String button) {
+    return 'Starring messages is a good way to keep track of important messages, such as tasks you need to go back to, or useful references. To star a message, long-press it and tap “$button.”';
+  }
+
   @override
   String get messageListGroupYouWithYourself => 'Nachrichten mit dir selbst';