fix remaining app crasher bugs #890
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We have a loop at the end of ConversationView.update() that removes widgets from the conversation view that are associated with an item that is no longer in the source collection. We should also ensure that we remove python references to these widgets from the current_messages dict.
And remove its reference in the dict we store on the MainView
Since we call update_sources() in both the source-deleted-due-to-sync and source-deleted-due-to-source-deletion-job-completion scenarios, we can put the logic to remove the corresponding SourceConversationWrapper in one place.
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securedrop_client/gui/widgets.py
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| logger.debug('Deleting SourceConversationWrapper for {}'.format(source_uuid)) | ||
| conversation_wrapper = self.source_conversations[source_uuid] | ||
| conversation_wrapper.deleteLater() | ||
| self.source_conversations.pop(source_uuid) |
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nit: you can just use del if you don't need the return value
| @@ -692,7 +692,10 @@ def show_sources(self, sources: List[Source]): | |||
| self.empty_conversation_view.show_no_source_selected_message() | |||
| self.empty_conversation_view.show() | |||
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| self.source_list.update(sources) | |||
| deleted_sources = self.source_list.update(sources) | |||
| for source_uuid in deleted_sources: | |||
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this change makes a lot of sense to me, before we would delete the source items without deleting the conversation wrappers
| @@ -1896,6 +1921,7 @@ def __init__( | |||
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| self.controller = controller | |||
| self.file = self.controller.get_file(file_uuid) | |||
| self.uuid = file_uuid | |||
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can we remove self.file since we keep its uuid now?
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unfortunately we still need this as the initializer calls _set_file_state which uses self.file
| for item_widget in current_conversation.values(): | ||
| self.current_messages.pop(item_widget.uuid) |
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since we already have a source dict and a conversation wrapper dict, why do we need a current_messages dict?
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they each serve different purposes on different widgets: one is on the source list mapping individual sources to their SourceWidget in the source list, one is on the main view mapping individual sources to SourceConversationWrapper parent widgets, and this one on the conversation view which maps message/file/reply items to their corresponding widget.
This dict serves the purpose of on a per-source basis tracking which widgets are displayed: when we draw the view, we only draw items that aren't already in the dict.
Description
Similar fix to #887 but for the remaining crasher bugs
Fixes #859
Fixes #857
Test Plan
LOGLEVEL=DEBUG ./run.shSourceConversationWrapper).SourceConversationWrapperwas deleted:Checklist
If these changes modify code paths involving cryptography, the opening of files in VMs or network (via the RPC service) traffic, Qubes testing in the staging environment is required. For fine tuning of the graphical user interface, testing in any environment in Qubes is required. Please check as applicable:
If these changes add or remove files other than client code, packaging logic (e.g., the AppArmor profile) may need to be updated. Please check as applicable: