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New Features Awaiting Implementation Interest: Difference between revisions
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<td> Justin Novosad | <td> Justin Novosad | ||
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<td> There is | <td> There is a workaround using ImageBitmaps to extract a subregions of the source image. The workaround does not solve cases where sub-region extraction needs to be synchronous either because the source image content changes over time (e.g a canvas or video), or because the subrectangle coordinates cannot be determined in advance. | ||
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<td>Appcache: [https://www.w3.org/Bugs/Public/show_bug.cgi?id=20083 Interceptor Worker] | <td>Appcache: [https://www.w3.org/Bugs/Public/show_bug.cgi?id=20083 Interceptor Worker] | ||
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<td> | <td>[https://bugs.webkit.org/show_bug.cgi?id=110252 Implemented] | ||
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Latest revision as of 23:42, 6 September 2013
There are features that have been requested, but for which we are lacking implementor interest. Without two or more vendors interested in implementing the feature, they are unlikely to get added to the specs.
| Feature | Interest indicated by... | Comments | |||||
|---|---|---|---|---|---|---|---|
| Mozilla (Firefox) | Opera | Microsoft (IE) | Apple (Safari) | Google (Chrome) | Others | ||
| Some way to add files to <input type=file> | Jonas Sicking | Nico Weber | On track for spec | ||||
| Cross-origin seamless iframes | Boris Zbarsky | Adam Barth | Pending input on this thread | ||||
| HTMLCanvasElement.printCallback API | Julian Viereck | ||||||
| Metadata API for media elements | Ralph Giles | Also needs a spec for the metadata schema | |||||
| Adding defer/async to inline scripts | Jonas Sicking | ||||||
| <meta name="referrer"> | Adam Barth | ||||||
| Location.ancestorOrigins | Already implemented | Negative feedback from Tobie Langel | |||||
| A method to trigger autofill | Elliott Sprehn, Peter Kasting | ||||||
| Prerendering APIs | Gavin Peters | Needs detailed specification work to describe what happens with scripts running in the prerender context (since normally scripts can't run in non-active documents, and normally there's only one active document per session history). | |||||
| APIs for 'palpable' content (at the bottom) | Ojan Vofai | ||||||
| Appcache: More detail in error events | Michael Nordman | ||||||
| Making drawImage() have a mode to clamp at source rectangle | Justin Novosad | There is a workaround using ImageBitmaps to extract a subregions of the source image. The workaround does not solve cases where sub-region extraction needs to be synchronous either because the source image content changes over time (e.g a canvas or video), or because the subrectangle coordinates cannot be determined in advance. | |||||
| Appcache: Interceptor Worker | Needs use cases as well | ||||||
| FormData | |||||||
| Canvas: Stroke alignment | |||||||
| Canvas: Page flipping for the 2D context | James Robinson | ||||||
| Canvas: control over when shadows paint | |||||||
| <img srcset>: a mechanism to enable adaptive images | Implemented | ||||||
| locale="" | |||||||
| <video> currentTime and seek using rational numbers | Jer Noble | Would expose the video's timebase, too, assuming it's constant. See also next line. | |||||
| video source material metrics (e.g. frame rate for fixed-frame-rate video data) | |||||||
| Cross-origin workers | Travis Leithead? | Ojan Vafai | |||||
| Deferring <img> loads until the image is needed | |||||||
| API to request Web Worker latency guarantees (in exchange for guaranteeing low CPU usage) | |||||||
| SearchBox API | Tony Gentilcore | No longer being tracked. | |||||
See also: Who to ask about stuff