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feat(ui): Animate a transition between chat state and no chat state

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This commit is contained in:
PapaTutuWawa 2022-11-21 18:19:58 +01:00
parent d10efc274c
commit 9b3130f363
2 changed files with 39 additions and 5 deletions
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40
lib/ui/pages/conversation/topbar.dart
View File

@ -41,7 +41,6 @@ PopupMenuItem<dynamic> popupItemWithIcon(dynamic value, String text, IconData ic
/// as it should
// TODO(PapaTutuWawa): The conversation title may overflow the Topbar
// TODO(Unknown): Maybe merge with BorderlessTopbar
// TODO(PapaTutuWawa): Make the conversation title go up, when we display "online" and down if we don't have to anymore
class ConversationTopbar extends StatelessWidget implements PreferredSizeWidget {
const ConversationTopbar({ super.key });
@ -74,6 +73,10 @@ class ConversationTopbar extends StatelessWidget implements PreferredSizeWidget
return Container();
}
}
bool _isChatStateVisible(ChatState state) {
return state != ChatState.inactive && state != ChatState.gone;
}
@override
Widget build(BuildContext context) {
@ -110,10 +113,39 @@ class ConversationTopbar extends StatelessWidget implements PreferredSizeWidget
conversation: context.read<ConversationBloc>().state.conversation,
),
),
child: Column(
child: Stack(
children: [
TopbarTitleText(state.conversation!.title),
_buildChatState(state.conversation!.chatState),
AnimatedPositioned(
duration: const Duration(milliseconds: 200),
top: _isChatStateVisible(state.conversation!.chatState) ?
0 :
10,
left: 0,
right: 0,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
TopbarTitleText(state.conversation!.title),
],
),
),
Positioned(
left: 0,
right: 0,
bottom: 0,
child: AnimatedOpacity(
opacity: _isChatStateVisible(state.conversation!.chatState) ?
1.0 :
0.0,
duration: const Duration(milliseconds: 100),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
_buildChatState(state.conversation!.chatState),
],
),
),
),
],
),
),

4
lib/ui/widgets/topbar.dart
View File

@ -4,12 +4,14 @@ class TopbarTitleText extends StatelessWidget {
const TopbarTitleText(this.text, { super.key });
final String text;
static const double fontSize = 20;
@override
Widget build(BuildContext context) {
return Text(
text,
style: const TextStyle(
fontSize: 20,
fontSize: fontSize,
),
);
}