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WPT for Prerender
Miyoung Shin
What is Prerender2
WPT for Prerender
Miyoung Shin
● Pre-render a page before navigation happens
● Live Spec
● See previous talks from BlinkOn13/BlinkOn14
● WPT Tests at wpt_internal/prerender
Without With
Mojo Capability Control
WPT for Prerender
Miyoung Shin
talk from BlinkOn14
WPT for Prerender - Basic
test.html
WPT for Prerender
Miyoung Shin
prerender.html
WPT for prerender - Grant case
WPT for Prerender
Miyoung Shin
prerender.html
✓
renderer
Host<blink::mojom::CacheStorage>
Mojo Capability Control
Receiver<blink::mojom::CacheStorage>
browser
mojo bound
Communication
WPT for prerender - Defer case by MCC
WPT for Prerender
Miyoung Shin
renderer
Remote<mojom::blink::WebBluetoothService>
Mojo Capability Control
browser
Receiver<mojom::blink::WebBluetoothService>
prerender.html
Activated!!!
mojo bound
Communication
prerender.html
WPT for prerender - Defer case in blink-side
WPT for Prerender
Miyoung Shin
prerender.html
renderer
Document
SetSinkIdResolver
prerender.html
Activated!!!
::Start
::Start
Add callback
invoke Callback
WPT for prerender - Other cases
WPT for Prerender
Miyoung Shin
● Cancel case like using Mojo Sync message
● Kill case like using API required user activations
● Write browser test if you can't write WRT TC
Thanks
WPT for Prerender
Miyoung Shin
WPT for Prerender

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WPT for Prerender

  • 2. What is Prerender2 WPT for Prerender Miyoung Shin ● Pre-render a page before navigation happens ● Live Spec ● See previous talks from BlinkOn13/BlinkOn14 ● WPT Tests at wpt_internal/prerender Without With
  • 3. Mojo Capability Control WPT for Prerender Miyoung Shin talk from BlinkOn14
  • 4. WPT for Prerender - Basic test.html WPT for Prerender Miyoung Shin prerender.html
  • 5. WPT for prerender - Grant case WPT for Prerender Miyoung Shin prerender.html ✓ renderer Host<blink::mojom::CacheStorage> Mojo Capability Control Receiver<blink::mojom::CacheStorage> browser mojo bound Communication
  • 6. WPT for prerender - Defer case by MCC WPT for Prerender Miyoung Shin renderer Remote<mojom::blink::WebBluetoothService> Mojo Capability Control browser Receiver<mojom::blink::WebBluetoothService> prerender.html Activated!!! mojo bound Communication prerender.html
  • 7. WPT for prerender - Defer case in blink-side WPT for Prerender Miyoung Shin prerender.html renderer Document SetSinkIdResolver prerender.html Activated!!! ::Start ::Start Add callback invoke Callback
  • 8. WPT for prerender - Other cases WPT for Prerender Miyoung Shin ● Cancel case like using Mojo Sync message ● Kill case like using API required user activations ● Write browser test if you can't write WRT TC