| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package org.mozc.android.inputmethod.japanese.preference; |
| |
| import org.mozc.android.inputmethod.japanese.ApplicationInitializerFactory; |
| import org.mozc.android.inputmethod.japanese.ApplicationInitializerFactory.ApplicationInitializer; |
| import org.mozc.android.inputmethod.japanese.DependencyFactory; |
| import org.mozc.android.inputmethod.japanese.MozcUtil; |
| import org.mozc.android.inputmethod.japanese.hardwarekeyboard.HardwareKeyboardSpecification; |
| import org.mozc.android.inputmethod.japanese.preference.KeyboardPreviewDrawable.BitmapCache; |
| import org.mozc.android.inputmethod.japanese.preference.KeyboardPreviewDrawable.CacheReferenceKey; |
| import org.mozc.android.inputmethod.japanese.resources.R; |
| import org.mozc.android.inputmethod.japanese.util.LauncherIconManagerFactory; |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Optional; |
| |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnCancelListener; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.DialogInterface.OnDismissListener; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.content.res.Resources; |
| import android.os.Bundle; |
| import android.preference.PreferenceActivity; |
| import android.preference.PreferenceManager; |
| import android.provider.Settings; |
| |
| /** |
| * This class handles the preferences of mozc. |
| * |
| * The same information might be stored in both SharedPreference and Config. |
| * In this case SharedPreference is the master and Config is just a copy. |
| * |
| */ |
| public class MozcBasePreferenceActivity extends PreferenceActivity { |
| |
| private static class ImeEnableDialogClickListener implements OnClickListener { |
| private final Context context; |
| |
| ImeEnableDialogClickListener(Context context) { |
| if (context == null) { |
| throw new NullPointerException("context is null."); |
| } |
| this.context = context; |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == DialogInterface.BUTTON_POSITIVE) { |
| // Open the keyboard & language setting page. |
| Intent intent = new Intent(); |
| intent.setAction(Settings.ACTION_INPUT_METHOD_SETTINGS); |
| intent.addCategory(Intent.CATEGORY_DEFAULT); |
| context.startActivity(intent); |
| } |
| } |
| } |
| |
| private static class ImeSwitchDialogListener |
| implements OnClickListener, OnDismissListener, OnCancelListener { |
| private final Context context; |
| |
| // This variable should be reset every dialog shown timing, but it is not supported |
| // on API level 7. So, instead, we check all possible finishing pass. |
| // TODO(hidehiko): use OnShownListener after we upgrade the API level. |
| private boolean showInputMethodPicker = false; |
| |
| ImeSwitchDialogListener(Context context) { |
| if (context == null) { |
| throw new NullPointerException("context is null."); |
| } |
| this.context = context; |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| showInputMethodPicker = (which == DialogInterface.BUTTON_POSITIVE); |
| } |
| |
| @Override |
| public void onCancel(DialogInterface arg0) { |
| showInputMethodPicker = false; |
| } |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| if (showInputMethodPicker) { |
| // Send an input method picker shown event after the dismissing of this dialog is |
| // completed. Otherwise, the new dialog will be dismissed, too. |
| showInputMethodPicker = false; |
| MozcUtil.requestShowInputMethodPicker(context); |
| } |
| } |
| } |
| |
| @VisibleForTesting AlertDialog imeEnableDialog; |
| @VisibleForTesting AlertDialog imeSwitchDialog; |
| |
| // Cache the SharedPreferences instance, otherwise PreferenceManager.getDefaultSharedPreferences |
| // would try to read it from the storage every time. |
| private SharedPreferences sharedPreferences; |
| |
| private final CacheReferenceKey cacheKey = new CacheReferenceKey(); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); |
| initializeAlertDialog(); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| |
| HardwareKeyboardSpecification.maybeSetDetectedHardwareKeyMap( |
| sharedPreferences, getResources().getConfiguration(), false); |
| } |
| |
| @Override |
| protected void onPostResume() { |
| super.onPostResume(); |
| onPostResumeInternal(ApplicationInitializerFactory.createInstance(this)); |
| } |
| |
| @VisibleForTesting |
| void onPostResumeInternal(ApplicationInitializer initializer) { |
| Context context = getApplicationContext(); |
| Optional<Intent> forwardIntent = initializer.initialize( |
| MozcUtil.isSystemApplication(context), |
| MozcUtil.isDevChannel(context), |
| DependencyFactory.getDependency(getApplicationContext()).isWelcomeActivityPreferrable(), |
| MozcUtil.getAbiIndependentVersionCode(context), |
| LauncherIconManagerFactory.getDefaultInstance(), |
| PreferenceUtil.getDefaultPreferenceManagerStatic()); |
| if (forwardIntent.isPresent()) { |
| startActivity(forwardIntent.get()); |
| } else { |
| // After all resuming processes, we check the default IME status. |
| // Note that we need to do this only when first launch activity is *not* launched. |
| maybeShowAlertDialogIme(); |
| } |
| } |
| |
| // Note: when an activity A starts another activity B, the order of their onStart/onStop |
| // invocation sequence is: |
| // B's onStart -> A's onStop. |
| // (of course, some other methods, such as onPause or onResume etc, are also invoked accordingly). |
| // Thus, we can keep and pass the cached keyboard preview bitmaps by reference counting |
| // in onStart/onStop methods from the single-pane preference top page to |
| // software keyboard advanced settings, and vice versa. |
| // Note that if a user tries to move an activity other than Mozc's preference even from |
| // software keyboard advanced settings preference page, the counter will simply get 0, and all the |
| // cached bitmap resources will be released. |
| @Override |
| protected void onStart() { |
| super.onStart(); |
| // Tell bitmap cache that this Activity uses it. |
| BitmapCache.getInstance().addReference(cacheKey); |
| } |
| |
| @Override |
| protected void onStop() { |
| // Release all the bitmap cache (if necessary) to utilize the used memory. |
| BitmapCache.getInstance().removeReference(cacheKey); |
| super.onStop(); |
| } |
| |
| private void initializeAlertDialog() { |
| Resources resource = getResources(); |
| imeEnableDialog = createAlertDialog( |
| this, |
| R.string.pref_ime_enable_alert_title, |
| resource.getString(R.string.pref_ime_enable_alert_message, |
| resource.getString(R.string.app_name)), |
| new ImeEnableDialogClickListener(this)); |
| ImeSwitchDialogListener listener = new ImeSwitchDialogListener(this); |
| imeSwitchDialog = createAlertDialog( |
| this, |
| R.string.pref_ime_switch_alert_title, |
| resource.getString(R.string.pref_ime_switch_alert_message, |
| resource.getString(R.string.app_name)), |
| listener); |
| imeSwitchDialog.setOnCancelListener(listener); |
| imeSwitchDialog.setOnDismissListener(listener); |
| } |
| |
| private static AlertDialog createAlertDialog( |
| Context context, int titleResourceId, String message, OnClickListener clickListener) { |
| AlertDialog.Builder builder = new AlertDialog.Builder(context); |
| builder.setTitle(titleResourceId); |
| builder.setMessage(message); |
| builder.setPositiveButton(R.string.pref_ime_alert_next, clickListener); |
| builder.setNegativeButton(R.string.pref_ime_alert_cancel, clickListener); |
| return builder.create(); |
| } |
| |
| /** |
| * Check the current default IME status, and show alerting dialog if necessary. |
| */ |
| private void maybeShowAlertDialogIme() { |
| if (imeEnableDialog.isShowing() || imeSwitchDialog.isShowing()) { |
| // Either dialog is already shown, right now. So just skip the check. |
| return; |
| } |
| |
| Context context = getApplicationContext(); |
| if (!MozcUtil.isMozcEnabled(context)) { |
| imeEnableDialog.show(); |
| return; |
| } |
| if (!MozcUtil.isMozcDefaultIme(context)) { |
| imeSwitchDialog.show(); |
| return; |
| } |
| } |
| |
| /** |
| * For the time being, pretend default behavior of apps for the framework older than KITKAT. |
| */ |
| @Override |
| protected boolean isValidFragment(@SuppressWarnings("unused") String fragmentName) { |
| return true; |
| } |
| } |