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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.compat;
import android.content.Context;
import android.os.IBinder;
import android.util.Log;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodManager;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
// TODO: Override this class with the concrete implementation if we need to take care of the
// performance.
public class InputMethodManagerCompatWrapper {
private static final String TAG = InputMethodManagerCompatWrapper.class.getSimpleName();
private static final Method METHOD_getCurrentInputMethodSubtype =
CompatUtils.getMethod(InputMethodManager.class, "getCurrentInputMethodSubtype");
private static final Method METHOD_getEnabledInputMethodSubtypeList =
CompatUtils.getMethod(InputMethodManager.class, "getEnabledInputMethodSubtypeList",
InputMethodInfo.class, boolean.class);
private static final Method METHOD_getShortcutInputMethodsAndSubtypes =
CompatUtils.getMethod(InputMethodManager.class, "getShortcutInputMethodsAndSubtypes");
private static final Method METHOD_setInputMethodAndSubtype =
CompatUtils.getMethod(
InputMethodManager.class, "setInputMethodAndSubtype", IBinder.class,
String.class, InputMethodSubtypeCompatWrapper.CLASS_InputMethodSubtype);
private static final InputMethodManagerCompatWrapper sInstance =
new InputMethodManagerCompatWrapper();
private InputMethodManager mImm;
private InputMethodManagerCompatWrapper() {
}
public static InputMethodManagerCompatWrapper getInstance(Context context) {
if (sInstance.mImm == null) {
sInstance.init(context);
}
return sInstance;
}
private synchronized void init(Context context) {
mImm = (InputMethodManager) context.getSystemService(
Context.INPUT_METHOD_SERVICE);
}
public InputMethodSubtypeCompatWrapper getCurrentInputMethodSubtype() {
return new InputMethodSubtypeCompatWrapper(
CompatUtils.invoke(mImm, null, METHOD_getCurrentInputMethodSubtype));
}
public List<InputMethodSubtypeCompatWrapper> getEnabledInputMethodSubtypeList(
InputMethodInfoCompatWrapper imi, boolean allowsImplicitlySelectedSubtypes) {
Object retval = CompatUtils.invoke(mImm, null, METHOD_getEnabledInputMethodSubtypeList,
(imi != null ? imi.getInputMethodInfo() : null), allowsImplicitlySelectedSubtypes);
return CompatUtils.copyInputMethodSubtypeListToWrapper((List<?>)retval);
}
public Map<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>>
getShortcutInputMethodsAndSubtypes() {
Object retval = CompatUtils.invoke(mImm, null, METHOD_getShortcutInputMethodsAndSubtypes);
if (!(retval instanceof Map)) return null;
Map<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>> shortcutMap =
new HashMap<InputMethodInfoCompatWrapper, List<InputMethodSubtypeCompatWrapper>>();
final Map<?, ?> retvalMap = (Map<?, ?>)retval;
for (Object key : retvalMap.keySet()) {
if (!(key instanceof InputMethodInfo)) {
Log.e(TAG, "Class type error.");
return null;
}
shortcutMap.put(new InputMethodInfoCompatWrapper((InputMethodInfo)key),
CompatUtils.copyInputMethodSubtypeListToWrapper(retvalMap.get(key)));
}
return shortcutMap;
}
public void setInputMethodAndSubtype(
IBinder token, String id, InputMethodSubtypeCompatWrapper subtype) {
CompatUtils.invoke(mImm, null, METHOD_setInputMethodAndSubtype,
token, id, subtype.getOriginalObject());
}
public boolean switchToLastInputMethod(IBinder token) {
if (mImm == null) return false;
return mImm.switchToLastInputMethod(token);
}
public List<InputMethodInfoCompatWrapper> getEnabledInputMethodList() {
if (mImm == null) return null;
List<InputMethodInfoCompatWrapper> imis = new ArrayList<InputMethodInfoCompatWrapper>();
for (InputMethodInfo imi : mImm.getEnabledInputMethodList()) {
imis.add(new InputMethodInfoCompatWrapper(imi));
}
return imis;
}
public void showInputMethodPicker() {
if (mImm == null) return;
mImm.showInputMethodPicker();
}
}
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