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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Custom bindings for the input ime API. Only injected into the
// v8 contexts for extensions which have permission for the API.
var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
chromeHidden.registerCustomHook('input.ime', function() {
chrome.input.ime.onKeyEvent.dispatch = function(engineID, keyData) {
var args = Array.prototype.slice.call(arguments);
if (this.validate_) {
var validationErrors = this.validate_(args);
if (validationErrors) {
chrome.input.ime.eventHandled(requestId, false);
return validationErrors;
}
}
if (this.listeners_.length > 1) {
console.error('Too many listeners for onKeyEvent: ' + e.stack);
chrome.input.ime.eventHandled(requestId, false);
return;
}
for (var i = 0; i < this.listeners_.length; i++) {
try {
var requestId = keyData.requestId;
var result = this.listeners_[i].apply(null, args);
chrome.input.ime.eventHandled(requestId, result);
} catch (e) {
console.error('Error in event handler for onKeyEvent: ' + e.stack);
chrome.input.ime.eventHandled(requestId, false);
}
}
};
});
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