Save and update enabled Subtypes in InputMethodAndSubtypeEnabler

Change-Id: I01ce22b7cc17457dde34967957a27658067ec674
This commit is contained in:
satok
2010-11-01 22:30:29 +09:00
parent 0417e40947
commit 3de7021756

View File

@@ -23,97 +23,173 @@ import android.content.pm.ApplicationInfo;
import android.preference.CheckBoxPreference;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.text.TextUtils;
import android.util.Log;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodSubtype;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
public class InputMethodAndSubtypeUtil {
private static final TextUtils.SimpleStringSplitter sStringColonSplitter
= new TextUtils.SimpleStringSplitter(':');
private static final boolean DEBUG = false;
static final String TAG = "InputMethdAndSubtypeUtil";
private static final char INPUT_METHOD_SEPARATER = ':';
private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';';
private static final int NOT_A_SUBTYPE_ID = -1;
private static final TextUtils.SimpleStringSplitter sStringInputMethodSplitter
= new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER);
private static final TextUtils.SimpleStringSplitter sStringInputMethodSubtypeSplitter
= new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER);
private static boolean isInputMethodSubtypeSelected(ContentResolver resolver) {
try {
return Settings.Secure.getInt(resolver,
Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE) != NOT_A_SUBTYPE_ID;
} catch (SettingNotFoundException e) {
return false;
}
}
private static void putSelectedInputMethodSubtype(ContentResolver resolver, int hashCode) {
Settings.Secure.putInt(resolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, hashCode);
}
// Needs to modify InputMethodManageService if you want to change the format of saved string.
private static HashMap<String, HashSet<String>> getEnabledInputMethodsAndSubtypeList(
ContentResolver resolver) {
final String enabledInputMethodsStr = Settings.Secure.getString(
resolver, Settings.Secure.ENABLED_INPUT_METHODS);
HashMap<String, HashSet<String>> imsList
= new HashMap<String, HashSet<String>>();
if (DEBUG) {
Log.d(TAG, "--- Load enabled input methods: " + enabledInputMethodsStr);
}
if (TextUtils.isEmpty(enabledInputMethodsStr)) {
return imsList;
}
sStringInputMethodSplitter.setString(enabledInputMethodsStr);
while (sStringInputMethodSplitter.hasNext()) {
String nextImsStr = sStringInputMethodSplitter.next();
sStringInputMethodSubtypeSplitter.setString(nextImsStr);
if (sStringInputMethodSubtypeSplitter.hasNext()) {
HashSet<String> subtypeHashes = new HashSet<String>();
// The first element is ime id.
String imeId = sStringInputMethodSubtypeSplitter.next();
while (sStringInputMethodSubtypeSplitter.hasNext()) {
subtypeHashes.add(sStringInputMethodSubtypeSplitter.next());
}
imsList.put(imeId, subtypeHashes);
}
}
return imsList;
}
public static void saveInputMethodSubtypeList(
SettingsPreferenceFragment context, ContentResolver resolver,
List<InputMethodInfo> inputMethodProperties,
boolean hasHardKeyboard, String lastTickedInputMethodId) {
String lastInputMethodId = Settings.Secure.getString(resolver,
String currentInputMethodId = Settings.Secure.getString(resolver,
Settings.Secure.DEFAULT_INPUT_METHOD);
StringBuilder builder = new StringBuilder();
StringBuilder disabledSysImes = new StringBuilder();
InputMethodInfo firstEnabledIMI = null;
int firstSubtypeHashCode = NOT_A_SUBTYPE_ID;
int firstEnabled = -1;
int N = inputMethodProperties.size();
for (int i = 0; i < N; ++i) {
final InputMethodInfo property = inputMethodProperties.get(i);
final boolean onlyOneIME = inputMethodProperties.size() == 1;
for (InputMethodInfo property : inputMethodProperties) {
final String id = property.getId();
CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(id);
boolean currentInputMethod = id.equals(lastInputMethodId);
boolean isCurrentInputMethod = id.equals(currentInputMethodId);
boolean systemIme = isSystemIme(property);
// TODO: Append subtypes by using the separator ";"
if (((N == 1 || systemIme) && !hasHardKeyboard)
if (((onlyOneIME || systemIme) && !hasHardKeyboard)
|| (pref != null && pref.isChecked())) {
if (builder.length() > 0) builder.append(':');
if (builder.length() > 0) builder.append(INPUT_METHOD_SEPARATER);
builder.append(id);
if (firstEnabled < 0) {
firstEnabled = i;
if (firstEnabledIMI == null) {
firstEnabledIMI = property;
}
} else if (currentInputMethod) {
lastInputMethodId = lastTickedInputMethodId;
for (InputMethodSubtype subtype : property.getSubtypes()) {
CheckBoxPreference subtypePref = (CheckBoxPreference) context.findPreference(
id + subtype.hashCode());
if (subtypePref != null && subtypePref.isChecked()) {
builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtype.hashCode());
if (firstSubtypeHashCode == NOT_A_SUBTYPE_ID) {
firstSubtypeHashCode = subtype.hashCode();
}
}
}
} else if (isCurrentInputMethod) {
// We are processing the current input method, but found that it's not enabled.
// This means that the current input method has been uninstalled.
// If currentInputMethod is already uninstalled, selects last ticked IME
currentInputMethodId = lastTickedInputMethodId;
}
// If it's a disabled system ime, add it to the disabled list so that it
// doesn't get enabled automatically on any changes to the package list
if (pref != null && !pref.isChecked() && systemIme && hasHardKeyboard) {
if (disabledSysImes.length() > 0) disabledSysImes.append(":");
if (disabledSysImes.length() > 0) disabledSysImes.append(INPUT_METHOD_SEPARATER);
disabledSysImes.append(id);
}
}
// If the last input method is unset, set it as the first enabled one.
if (TextUtils.isEmpty(lastInputMethodId)) {
if (firstEnabled >= 0) {
lastInputMethodId = inputMethodProperties.get(firstEnabled).getId();
if (TextUtils.isEmpty(currentInputMethodId)) {
if (firstEnabledIMI != null) {
currentInputMethodId = firstEnabledIMI.getId();
} else {
lastInputMethodId = null;
currentInputMethodId = null;
}
}
if (DEBUG) {
Log.d(TAG, "--- Save enabled inputmethod settings. :" + builder.toString());
Log.d(TAG, "--- Save disable system inputmethod settings. :"
+ disabledSysImes.toString());
Log.d(TAG, "--- Save default inputmethod settings. :" + currentInputMethodId);
}
// redefines SelectedSubtype when all subtypes are unchecked or there is no subtype
// selected.
if (firstSubtypeHashCode == NOT_A_SUBTYPE_ID || !isInputMethodSubtypeSelected(resolver)) {
if (DEBUG) {
Log.d(TAG, "--- Set inputmethod subtype because it's not defined."
+ firstSubtypeHashCode);
}
putSelectedInputMethodSubtype(resolver, firstSubtypeHashCode);
}
Settings.Secure.putString(resolver,
Settings.Secure.ENABLED_INPUT_METHODS, builder.toString());
Settings.Secure.putString(resolver,
Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, disabledSysImes.toString());
Settings.Secure.putString(resolver, Settings.Secure.DEFAULT_INPUT_METHOD,
lastInputMethodId != null ? lastInputMethodId : "");
currentInputMethodId != null ? currentInputMethodId : "");
}
public static void loadInputMethodSubtypeList(
SettingsPreferenceFragment context, ContentResolver resolver,
List<InputMethodInfo> inputMethodProperties) {
final HashSet<String> enabled = new HashSet<String>();
String enabledStr = Settings.Secure.getString(resolver,
Settings.Secure.ENABLED_INPUT_METHODS);
if (enabledStr != null) {
final TextUtils.SimpleStringSplitter splitter = sStringColonSplitter;
splitter.setString(enabledStr);
while (splitter.hasNext()) {
enabled.add(splitter.next());
}
}
HashMap<String, HashSet<String>> enabledSubtypes =
getEnabledInputMethodsAndSubtypeList(resolver);
// Update the statuses of the Check Boxes.
int N = inputMethodProperties.size();
// TODO: Use iterator.
for (int i = 0; i < N; ++i) {
final String id = inputMethodProperties.get(i).getId();
CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(
inputMethodProperties.get(i).getId());
for (InputMethodInfo property : inputMethodProperties) {
final String id = property.getId();
CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(id);
if (pref != null) {
boolean isEnabled = enabled.contains(id);
boolean isEnabled = enabledSubtypes.containsKey(id);
pref.setChecked(isEnabled);
setSubtypesPreferenceEnabled(context, inputMethodProperties, id, isEnabled);
updateSubtypesPreferenceChecked(context, inputMethodProperties, enabledSubtypes);
}
}
}
@@ -121,17 +197,41 @@ public class InputMethodAndSubtypeUtil {
public static void setSubtypesPreferenceEnabled(SettingsPreferenceFragment context,
List<InputMethodInfo> inputMethodProperties, String id, boolean enabled) {
PreferenceScreen preferenceScreen = context.getPreferenceScreen();
final int N = inputMethodProperties.size();
// TODO: Use iterator.
for (int i = 0; i < N; i++) {
InputMethodInfo imi = inputMethodProperties.get(i);
for (InputMethodInfo imi : inputMethodProperties) {
if (id.equals(imi.getId())) {
for (InputMethodSubtype subtype: imi.getSubtypes()) {
preferenceScreen.findPreference(id + subtype.hashCode()).setEnabled(enabled);
for (InputMethodSubtype subtype : imi.getSubtypes()) {
CheckBoxPreference pref = (CheckBoxPreference) preferenceScreen.findPreference(
id + subtype.hashCode());
if (pref != null) {
pref.setEnabled(enabled);
}
}
}
}
}
public static void updateSubtypesPreferenceChecked(SettingsPreferenceFragment context,
List<InputMethodInfo> inputMethodProperties,
HashMap<String, HashSet<String>> enabledSubtypes) {
PreferenceScreen preferenceScreen = context.getPreferenceScreen();
for (InputMethodInfo imi : inputMethodProperties) {
String id = imi.getId();
HashSet<String> enabledSubtypesSet = enabledSubtypes.get(id);
for (InputMethodSubtype subtype : imi.getSubtypes()) {
String hashCode = String.valueOf(subtype.hashCode());
if (DEBUG) {
Log.d(TAG, "--- Set checked state: " + "id" + ", " + hashCode + ", "
+ enabledSubtypesSet.contains(hashCode));
}
CheckBoxPreference pref = (CheckBoxPreference) preferenceScreen.findPreference(
id + hashCode);
if (pref != null) {
pref.setChecked(enabledSubtypesSet.contains(hashCode));
}
}
}
}
public static boolean isSystemIme(InputMethodInfo property) {
return (property.getServiceInfo().applicationInfo.flags
& ApplicationInfo.FLAG_SYSTEM) != 0;