Publish Vulpes Preview 15 sources for desktop, Android and Tundra

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gaia/apps/keyboard/js/imes/jspinyin/worker.js

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+/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* jshint sub: true */
+'use strict';
+
+var Module;
+var emEngine;
+var procFunction;
+
+self.onmessage = function(e) {
+  var data = e.data;
+
+  if (data.id == 'init') {
+    initModule(data.id, data.param);
+  } else if (procFunction[data.id]) {
+    var result = procFunction[data.id](data.param);
+    post(data.id, result);
+  } else {
+    log('echo: ' + JSON.stringify(e.data));
+  }
+};
+
+function initModule(msgId, param) {
+  Module = {
+    canvas: {},
+    stdout: null,
+    setStatus: log,
+    preRun: [function() {
+      if (param.userDict) {
+        Module['addRunDependency']('fp data/user_dict.data');
+        Module['FS_createPreloadedFile'](
+            '/data', 'user_dict.data', param.userDict, true, true, function() {
+          Module['removeRunDependency']('fp data/user_dict.data');
+        });
+      }
+    }],
+    _main: function() {
+      emEngine = {
+        openDecoder:
+          Module.cwrap('im_open_decoder', 'number', ['string', 'string']),
+        closeDecoder:
+          Module.cwrap('im_close_decoder', '', []),
+        search:
+          Module.cwrap('im_search', 'number', ['string', 'number']),
+        resetSearch:
+          Module.cwrap('im_reset_search', '', []),
+        getCandidateAt:
+          Module.cwrap('im_get_candidate_char', 'string', ['number']),
+        getPredicts:
+          Module.cwrap('im_get_predicts_utf8', 'number', ['string', 'number']),
+        getPredictAt:
+          Module.cwrap('im_get_predict_at', 'string', ['number']),
+        choose:
+          Module.cwrap('im_choose', 'number', ['number']),
+        getSplStart:
+          Module.cwrap('im_get_spl_start', 'number', []),
+        getSplStartAt:
+          Module.cwrap('im_get_spl_start_at', 'number', ['number']),
+        getFixedLen:
+          Module.cwrap('im_get_fixed_len', 'number', []),
+        flushCache:
+          Module.cwrap('im_flush_cache', '', [])
+      };
+
+      if (emEngine.openDecoder('data/dict.data', 'data/user_dict.data')) {
+        initProcFunctions();
+        post(msgId, true);
+      } else {
+        post(msgId, false);
+      }
+    }
+  };
+
+  try {
+    importScripts('empinyin_files.js');
+    importScripts('libpinyin.js');
+  } catch (e) {
+    log(e.toString());
+    post(msgId, false);
+  }
+}
+
+function initProcFunctions() {
+  var getSearchResult = function(emEngineGetAt, param) {
+    var start = param.start;
+    var count = param.count;
+    var results = [];
+    for (var i = start; i < count; i++) {
+      results.push(emEngineGetAt(i));
+    }
+    return results;
+  };
+
+  var search = function(emEngineSearch, emEngineGetAt, param) {
+    var query = param.queryString;
+    var numberToReturn = param.limit;
+    var resultLen = emEngineSearch(query, query.length);
+    var results;
+    if (numberToReturn) {
+      if (numberToReturn < 0 || numberToReturn > resultLen) {
+        numberToReturn = resultLen;
+      }
+      results = getSearchResult(emEngineGetAt, {
+        start: 0,
+        count: numberToReturn
+      });
+    }
+    return {
+      length: resultLen,
+      results: results
+    };
+  };
+
+  procFunction = {};
+
+  /*jshint -W040 */
+  procFunction['im_search'] =
+    search.bind(this, emEngine.search, emEngine.getCandidateAt);
+
+  procFunction['im_get_candidates'] =
+    getSearchResult.bind(this, emEngine.getCandidateAt);
+
+  procFunction['im_search_predicts'] =
+    search.bind(this, emEngine.getPredicts, emEngine.getPredictAt);
+
+  procFunction['im_get_predicts'] =
+    getSearchResult.bind(this, emEngine.getPredictAt);
+  /*jshint +W040 */
+
+  procFunction['im_flush_cache'] =
+    emEngine.flushCache;
+
+  procFunction['im_choose'] = function(param) {
+    var candsNum = emEngine.choose(param.candId);
+    if (candsNum == 1 && emEngine.getFixedLen() == emEngine.getSplStart()) {
+      var convertedText = emEngine.getCandidateAt(0);
+      emEngine.resetSearch();
+      return convertedText;
+    }
+    return null;
+  };
+
+  procFunction['im_get_pending_symbols_info'] = function() {
+    var fixedLen = emEngine.getFixedLen();
+    var splStartLen = emEngine.getSplStart();
+    var splStart = [];
+    for (var i = 0; i <= splStartLen; i++) {
+      splStart.push(emEngine.getSplStartAt(i));
+    }
+    return {
+      fixedLen: fixedLen,
+      splStart: splStart
+    };
+  };
+
+  procFunction['im_get_user_dict_data'] = function() {
+    if (!Module['FS']) {
+      return null;
+    }
+
+    emEngine.flushCache();
+    return Module['FS'].findObject('data/user_dict.data').contents;
+  };
+}
+
+function post(id, returnValue) {
+  postMessage({
+    id: id,
+    returnValue: returnValue
+  });
+}
+
+function log(message) {
+  post('message', message);
+}