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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AX: AXObjectCacheMac is passing WebCore enum values directly to VoiceOver"
   href="https://bugs.webkit.org/show_bug.cgi?id=151755">151755</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>AX: AXObjectCacheMac is passing WebCore enum values directly to VoiceOver
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Accessibility
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>dmazzoni&#64;google.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>webkit-bug-importer&#64;group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>As one example, in AXObjectCacheMac.mm when it's populating the userInfo dictionary to pass to AXPostNotificationWithUserInfo:

  [userInfo setObject:[NSNumber numberWithInt:intent.type] forKey:NSAccessibilityTextStateChangeTypeKey];

However, intent.type is of type AXTextStateChangeType, an enum defined in WebCore/accessibility/AXTextStateChangeIntent.h, and that numeric value is being passed directly to VoiceOver without any translation. As it is now, adding a new enum value to AXTextStateChangeType (in cross-platform code) would probably break WebKit on Mac.

In addition to separating the cross-platform constants from the Mac-specific constants, it'd be fantastic if you could document the protocol a bit more, since none of these keys appear in the 10.11 SDK or anywhere online yet.

Thanks.</pre>
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