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Features/Firefox/Windows Plugin Hang UI

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Status

Windows Plugin Hang UI
Stage Planning
Status `
Release target Firefox 19
Health OK
Status note `

Team

Product manager asa
Directly Responsible Individual bsmedberg
Lead engineer Aaron Klotz
Security lead `
Privacy lead `
Localization lead `
Accessibility lead `
QA lead Manuela Muntean
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks

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Stage 1: Definition

1. Feature overview

Currently when the Flash plugin stops responding, Firefox also stops responding. Firefox waits a preset amount of time (45 seconds) and then kills the plugin. During this time Firefox appears to be locked and doesn't respond.

This feature will improve the user experience of a plugin not responding by showing UI which allows the user to see that it is the plugin (not Firefox) which is broken, and allowing the user to kill the plugin right away if they don't want to wait.

2. Users & use cases

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3. Dependencies

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4. Requirements

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Non-goals

This project is currently scoped to Windows only.

Stage 2: Design

5. Functional specification

When a plugin stops responding for a short amount of time (5 seconds?) we will overlay the normal browser UI with a dialog which shows which plugin is not responding and allows the user to kill that plugin.

We will continue to automatically kill plugins after a longer timeout, the current 45 seconds or even longer to 60 seconds.

6. User experience design

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Stage 3: Planning

7. Implementation plan

We cannot effectively show UI in the Firefox process because the main thread is hung and spinning a nested event loop will cause problems. So it will be necessary to have a separate win32 app which communicates with Firefox and shows the UI.

8. Reviews

Security review

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Privacy review

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Localization review

The native win32 app will need to have a few localized strings: we don't need to compile these in.

Accessibility

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Quality Assurance review

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Operations review

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Stage 4: Development

9. Implementation

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Stage 5: Release

10. Landing criteria

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Feature details

Priority Unprioritized
Rank 999
Theme / Goal `
Roadmap Plugin Interactions
Secondary roadmap Firefox Desktop
Feature list Desktop
Project Flash
Engineering team Plugins

Team status notes

  status notes
Products ` `
Engineering `
ID Summary Priority Status
805591 Add UI to be shown when plugin is unresponsive -- RESOLVED

Open; Resolved; Total (100% complete)

Security sec-review-needed
ID Summary Priority Status
801806 SecReview: Windows Plugin Hang UI -- NEW

Open; Resolved; Total (0% complete)

Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance ` Test Plan
User experience ` `
Product marketing ` `
Operations ` `