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/*
* Copyright (C) 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.android.inputmethod.voice;
import android.os.Bundle;
import android.util.Log;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.ExtractedText;
import android.view.inputmethod.ExtractedTextRequest;
import android.view.inputmethod.InputConnection;
/**
* Represents information about a given text field, which can be passed
* to the speech recognizer as context information.
*/
public class FieldContext {
private static final boolean DBG = false;
static final String LABEL = "label";
static final String HINT = "hint";
static final String PACKAGE_NAME = "packageName";
static final String FIELD_ID = "fieldId";
static final String FIELD_NAME = "fieldName";
static final String SINGLE_LINE = "singleLine";
static final String INPUT_TYPE = "inputType";
static final String IME_OPTIONS = "imeOptions";
static final String SELECTED_LANGUAGE = "selectedLanguage";
static final String ENABLED_LANGUAGES = "enabledLanguages";
Bundle mFieldInfo;
public FieldContext(InputConnection conn, EditorInfo info,
String selectedLanguage, String[] enabledLanguages) {
mFieldInfo = new Bundle();
addEditorInfoToBundle(info, mFieldInfo);
addInputConnectionToBundle(conn, mFieldInfo);
addLanguageInfoToBundle(selectedLanguage, enabledLanguages, mFieldInfo);
if (DBG) Log.i("FieldContext", "Bundle = " + mFieldInfo.toString());
}
private static String safeToString(Object o) {
if (o == null) {
return "";
}
return o.toString();
}
private static void addEditorInfoToBundle(EditorInfo info, Bundle bundle) {
if (info == null) {
return;
}
bundle.putString(LABEL, safeToString(info.label));
bundle.putString(HINT, safeToString(info.hintText));
bundle.putString(PACKAGE_NAME, safeToString(info.packageName));
bundle.putInt(FIELD_ID, info.fieldId);
bundle.putString(FIELD_NAME, safeToString(info.fieldName));
bundle.putInt(INPUT_TYPE, info.inputType);
bundle.putInt(IME_OPTIONS, info.imeOptions);
}
private static void addInputConnectionToBundle(
InputConnection conn, Bundle bundle) {
if (conn == null) {
return;
}
ExtractedText et = conn.getExtractedText(new ExtractedTextRequest(), 0);
if (et == null) {
return;
}
bundle.putBoolean(SINGLE_LINE, (et.flags & et.FLAG_SINGLE_LINE) > 0);
}
private static void addLanguageInfoToBundle(
String selectedLanguage, String[] enabledLanguages, Bundle bundle) {
bundle.putString(SELECTED_LANGUAGE, selectedLanguage);
bundle.putStringArray(ENABLED_LANGUAGES, enabledLanguages);
}
public Bundle getBundle() {
return mFieldInfo;
}
public String toString() {
return mFieldInfo.toString();
}
}
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