| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test preload behaviour with data saver setting</title> |
| 5 </head> |
| 6 <body> |
| 7 <script src="../resources/testharness.js"></script> |
| 8 <script src="../resources/testharnessreport.js"></script> |
| 9 <script src="media-file.js"></script> |
| 10 <script> |
| 11 window.internals.settings.setDataSaverEnabled(true); |
| 12 |
| 13 async_test(function(t) { |
| 14 var v = document.createElement('video'); |
| 15 v.src = findMediaFile('video', 'content/test'); |
| 16 |
| 17 assert_equals(v.preload, 'none'); |
| 18 v.onsuspend = t.step_func_done(); |
| 19 v.onprogress = t.unreached_func(); |
| 20 }, "Data saver makes the default preload value to 'none'."); |
| 21 |
| 22 async_test(function(t) { |
| 23 var v = document.createElement('video'); |
| 24 v.src = findMediaFile('video', 'content/test'); |
| 25 v.preload = 'metadata'; |
| 26 |
| 27 assert_equals(v.preload, 'none'); |
| 28 v.onsuspend = t.step_func_done(); |
| 29 v.onprogress = t.unreached_func(); |
| 30 }, "Data saver overrides preload='metadata'."); |
| 31 |
| 32 async_test(function(t) { |
| 33 var v = document.createElement('video'); |
| 34 v.src = findMediaFile('video', 'content/test'); |
| 35 v.preload = 'auto'; |
| 36 |
| 37 assert_equals(v.preload, 'none'); |
| 38 v.onsuspend = t.step_func_done(); |
| 39 v.onprogress = t.unreached_func(); |
| 40 }, "Data saver overrides preload='auto'."); |
| 41 |
| 42 async_test(function(t) { |
| 43 window.internals.settings.setMediaPlaybackRequiresUserGesture(true); |
| 44 |
| 45 var v = document.createElement('video'); |
| 46 v.autoplay = true; |
| 47 v.src = findMediaFile('video', 'content/test'); |
| 48 |
| 49 assert_equals(v.preload, 'none'); |
| 50 v.onsuspend = t.step_func_done(); |
| 51 v.onprogress = t.unreached_func(); |
| 52 |
| 53 t.add_cleanup(function() { |
| 54 window.internals.settings.setMediaPlaybackRequiresUserGesture(false); |
| 55 }); |
| 56 }, "Data saver prevents loading autoplaying videos when autoplay is blocked.")
; |
| 57 </script> |
| 58 </body> |
| 59 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2071793003:
Use data saver information to decide whether to preload. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@autoplay-visibility