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Merge "Fix a concurrency bug."

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Jean Chalard 2013-08-02 11:28:45 +00:00 committed by Android (Google) Code Review
parent 6333ed3801 10d66669c7
commit ba2f4f84ca
1 changed files with 27 additions and 14 deletions
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41
java/src/com/android/inputmethod/latin/settings/Settings.java
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@ -27,12 +27,14 @@ import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
import com.android.inputmethod.latin.InputAttributes;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.utils.AdditionalSubtypeUtils;
import com.android.inputmethod.latin.utils.DebugLogUtils;
import com.android.inputmethod.latin.utils.LocaleUtils;
import com.android.inputmethod.latin.utils.ResourceUtils;
import com.android.inputmethod.latin.utils.RunInLocale;
import java.util.HashMap;
import java.util.Locale;
import java.util.concurrent.locks.ReentrantLock;
public final class Settings implements SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = Settings.class.getSimpleName();
@ -94,6 +96,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
private Resources mRes;
private SharedPreferences mPrefs;
private SettingsValues mSettingsValues;
private final ReentrantLock mSettingsValuesLock = new ReentrantLock();
private static final Settings sInstance = new Settings();
@ -121,24 +124,34 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
@Override
public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
if (mSettingsValues == null) {
// TODO: Introduce a static function to register this class and ensure that
// loadSettings must be called before "onSharedPreferenceChanged" is called.
Log.w(TAG, "onSharedPreferenceChanged called before loadSettings.");
return;
mSettingsValuesLock.lock();
try {
if (mSettingsValues == null) {
// TODO: Introduce a static function to register this class and ensure that
// loadSettings must be called before "onSharedPreferenceChanged" is called.
Log.w(TAG, "onSharedPreferenceChanged called before loadSettings.");
return;
}
loadSettings(mSettingsValues.mLocale, mSettingsValues.mInputAttributes);
} finally {
mSettingsValuesLock.unlock();
}
loadSettings(mSettingsValues.mLocale, mSettingsValues.mInputAttributes);
}
public void loadSettings(final Locale locale, final InputAttributes inputAttributes) {
final SharedPreferences prefs = mPrefs;
final RunInLocale<SettingsValues> job = new RunInLocale<SettingsValues>() {
@Override
protected SettingsValues job(final Resources res) {
return new SettingsValues(prefs, locale, res, inputAttributes);
}
};
mSettingsValues = job.runInLocale(mRes, locale);
mSettingsValuesLock.lock();
try {
final SharedPreferences prefs = mPrefs;
final RunInLocale<SettingsValues> job = new RunInLocale<SettingsValues>() {
@Override
protected SettingsValues job(final Resources res) {
return new SettingsValues(prefs, locale, res, inputAttributes);
}
};
mSettingsValues = job.runInLocale(mRes, locale);
} finally {
mSettingsValuesLock.unlock();
}
}
// TODO: Remove this method and add proxy method to SettingsValues.