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Use OnPreferenceChangeLister for subtype enabler

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Change-Id: Id9eaed14803b6c4e194f1cf62900de0a053da012
This commit is contained in:
Tadashi G. Takaoka
2014-07-21 12:16:18 -07:00
parent 2c22d6d204
commit 5d56f6217f
1 changed files with 27 additions and 21 deletions
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48
src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
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@@ -23,6 +23,7 @@ import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceCategory;
import android.preference.PreferenceScreen;
import android.text.TextUtils;
@@ -40,7 +41,8 @@ import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment
implements OnPreferenceChangeListener {
private boolean mHaveHardKeyboard;
private final HashMap<String, List<Preference>> mInputMethodAndSubtypePrefsMap =
new HashMap<>();
@@ -119,32 +121,34 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
mInputMethodInfoList, mHaveHardKeyboard);
}
// TODO: Stop overriding this method. Instead start using {@link OnPreferenceChangedListener}.
@Override
public boolean onPreferenceTreeClick(final PreferenceScreen preferenceScreen,
final Preference preference) {
if (!(preference instanceof CheckBoxPreference)) {
return super.onPreferenceTreeClick(preferenceScreen, preference);
public boolean onPreferenceChange(final Preference pref, final Object newValue) {
if (!(newValue instanceof Boolean)) {
return true; // Invoke default behavior.
}
final CheckBoxPreference chkPref = (CheckBoxPreference) preference;
final boolean isChecking = (Boolean) newValue;
for (final String imiId : mAutoSelectionPrefsMap.keySet()) {
if (mAutoSelectionPrefsMap.get(imiId) == chkPref) {
// We look for the first preference item in subtype enabler. The first item is used
// for turning on/off subtype auto selection. We are in the subtype enabler and
// trying selecting subtypes automatically.
setAutoSelectionSubtypesEnabled(imiId, chkPref.isChecked());
return super.onPreferenceTreeClick(preferenceScreen, preference);
// An auto select subtype preference is changing.
if (mAutoSelectionPrefsMap.get(imiId) == pref) {
final CheckBoxPreference autoSelectionPref = (CheckBoxPreference) pref;
autoSelectionPref.setChecked(isChecking);
// Enable or disable subtypes depending on the auto selection preference.
setAutoSelectionSubtypesEnabled(imiId, autoSelectionPref.isChecked());
return false;
}
}
// Turns off a subtype.
if (!chkPref.isChecked()) {
updateAutoSelectionPreferences();
return super.onPreferenceTreeClick(preferenceScreen, preference);
// A subtype preference is changing.
if (pref instanceof InputMethodSubtypePreference) {
final InputMethodSubtypePreference subtypePref = (InputMethodSubtypePreference) pref;
subtypePref.setChecked(isChecking);
if (!subtypePref.isChecked()) {
// It takes care of the case where no subtypes are explicitly enabled then the auto
// selection preference is going to be checked.
updateAutoSelectionPreferences();
}
return false;
}
return super.onPreferenceTreeClick(preferenceScreen, preference);
return true; // Invoke default behavior.
}
private void addInputMethodSubtypePreferences(final InputMethodInfo imi,
@@ -166,6 +170,7 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
final CheckBoxPreference autoSelectionPref = new CheckBoxPreference(context);
mAutoSelectionPrefsMap.put(imiId, autoSelectionPref);
keyboardSettingsCategory.addPreference(autoSelectionPref);
autoSelectionPref.setOnPreferenceChangeListener(this);
final PreferenceCategory activeInputMethodsCategory = new PreferenceCategory(context);
activeInputMethodsCategory.setTitle(R.string.active_input_method_subtypes);
@@ -199,6 +204,7 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
for (int index = 0; index < prefCount; ++index) {
final Preference pref = subtypePreferences.get(index);
activeInputMethodsCategory.addPreference(pref);
pref.setOnPreferenceChangeListener(this);
InputMethodAndSubtypeUtil.removeUnnecessaryNonPersistentPreference(pref);
}
mInputMethodAndSubtypePrefsMap.put(imiId, subtypePreferences);