feat: add page-level drag-and-drop overlay for video upload

[sudha09-git]

Description

Adds a full-screen drag-and-drop overlay that appears when a user drags a video file anywhere on the page — not just inside the upload zone. Previously, dragging outside the upload zone had no visual feedback.

Related Issue

Closes #5

Type of Contribution

• Bug fix
• New feature
• Documentation update
• GSSoC contribution

Participant Info

• GitHub username: sudha09-git
• Contribution level: Intermediate

Changes Made

• Added document-level dragenter, dragleave, dragover, drop event listeners
• Full-screen dark overlay with animated pulsing ring appears when dragging over the page
• Used dragCounterRef to prevent overlay flicker caused by nested elements
• Added aria-live and aria-label for screen reader accessibility
• Non-video file drops show a clear error message
• Existing drop zone behaviour unchanged

How to Test

1. Open the app
2. Drag any video file from your file explorer over the browser window
3. A full-screen dark overlay with animated ring appears ✅
4. Drop anywhere to upload ✅
5. Dropping a non-video file shows error: "Please drop a valid video file" ✅

Screen Recording

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[github-actions]

✅ PR Format Check Passed — @sudha09-git

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This does not mean the PR is approved — it just means the format is correct.

[github-actions]

👋 Thanks for your PR, @sudha09-git!

Welcome to Reframe — a browser-based video editor built for everyone 🎬

🟠 GSSoC'26 PR detected — thanks for contributing under GirlScript Summer of Code 2026!

What happens next

1. 🤖 Automated checks — build & TypeScript typecheck will run automatically
2. ✅ Vercel preview — a preview deployment will be created (requires maintainer authorization for fork PRs)
3. 👀 Code review — a maintainer will review your changes
4. 🚀 Merge — once approved, your PR will be merged!

Quick checklist

• PR title follows Conventional Commits (e.g. feat: add dark mode)
• Linked the issue this PR closes (e.g. Closes #123)
• Tested the changes locally (bun run dev)
• Build passes (bun run build)

Useful links

• 📖 CONTRIBUTING.md
• 🐛 Open Issues
• ⭐ Star the repo to support the project!

Happy coding! 🎉

[sudha09-git]

Hi @magic-peach

I've implemented the page-level drag-and-drop overlay feature as discussed in the issue.

What was done:

• Added document-level dragenter, dragleave, dragover, and drop event listeners
• Full-screen overlay with animated pulsing ring appears when dragging a file anywhere on the page
• Used dragCounterRef to prevent flickering caused by nested DOM elements
• Non-video file drops show a clear error message
• Added aria-live and aria-label for accessibility
• All existing functionality remains unchanged

Tested on:

• Dragging video file anywhere on page ✅
• Dropping non-video file shows error ✅
• Existing click-to-upload still works ✅
• Ctrl+O shortcut still works ✅

Please let me know if any changes are needed. Happy to update!

[sudha09-git]

/pr

[sudha09-git]

/PR approval

[sudha09-git]

Important

please tell me is it approved or not??

[vercel]

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Project	Deployment	Actions	Updated (UTC)
reframe	Ready	Preview, Comment	May 23, 2026 11:00am

[magic-peach]

@sudha09-git please star the repo