[Bug 23422] New: Adding a method to deliver editing-related events to a DOM element


            Bug ID: 23422
           Summary: Adding a method to deliver editing-related events to a
                    DOM element
           Product: WebAppsWG
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: IME API
          Assignee: kochi@google.com
          Reporter: kochi@google.com
        QA Contact: public-webapps-bugzilla@w3.org
                CC: mike@w3.org, public-webapps@w3.org

In the current IME API WD (http://www.w3.org/TR/2013/WD-ime-api-20130815/ ,
section 8.2) using HTML5 'inputmode' attribute to specify that an element
wants editing related events (such as input, beforeinput, composition events)
but it sounded somewhat weird way to tell the hosting user agent in this way.

Instead, we propose to add a method to InputMethodContext, as

  bool requestEventDelivery();

to tell the target element wanting editing events delivered when it gets focus,
if the target element is a non-editable one (i.e. not <input>, <textarea>, or
contenteditable).  By using this a developer can turn a DOM element to behave
like an editing element, to construct a DOM-based text editor.

If the user agent cannot fulfill the request, it can return false to indicate
that the request is failed.

We also might want to introduce another interface to undo the request:

  void refuseEventDelivery();

which should always succeed (as not delivering events is the default).

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Received on Wednesday, 2 October 2013 07:45:18 UTC