d3271f548c
1) When registering with server, indicate that the server should store messages and send notifications. 2) Process notification GCM messages, and connect to the server to retrieve actual message content.
102 lines
3.6 KiB
Java
102 lines
3.6 KiB
Java
package org.thoughtcrime.securesms;
|
|
|
|
import android.app.Activity;
|
|
import android.content.BroadcastReceiver;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.content.IntentFilter;
|
|
import android.os.Build;
|
|
import android.view.WindowManager;
|
|
|
|
import org.thoughtcrime.securesms.crypto.MasterSecret;
|
|
import org.thoughtcrime.securesms.service.KeyCachingService;
|
|
import org.thoughtcrime.securesms.service.MessageRetrievalService;
|
|
import org.thoughtcrime.securesms.util.TextSecurePreferences;
|
|
|
|
|
|
public class PassphraseRequiredMixin {
|
|
|
|
private BroadcastReceiver clearKeyReceiver;
|
|
private BroadcastReceiver newKeyReceiver;
|
|
|
|
public <T extends Activity & PassphraseRequiredActivity> void onCreate(T activity) {
|
|
initializeClearKeyReceiver(activity);
|
|
}
|
|
|
|
public <T extends Activity & PassphraseRequiredActivity> void onResume(T activity) {
|
|
initializeScreenshotSecurity(activity);
|
|
initializeNewKeyReceiver(activity);
|
|
initializeFromMasterSecret(activity);
|
|
KeyCachingService.registerPassphraseActivityStarted(activity);
|
|
MessageRetrievalService.registerActivityStarted(activity);
|
|
}
|
|
|
|
public <T extends Activity & PassphraseRequiredActivity> void onPause(T activity) {
|
|
removeNewKeyReceiver(activity);
|
|
KeyCachingService.registerPassphraseActivityStopped(activity);
|
|
MessageRetrievalService.registerActivityStopped(activity);
|
|
}
|
|
|
|
public <T extends Activity & PassphraseRequiredActivity> void onDestroy(T activity) {
|
|
removeClearKeyReceiver(activity);
|
|
}
|
|
|
|
private <T extends Activity & PassphraseRequiredActivity> void initializeScreenshotSecurity(T activity) {
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
|
|
if (TextSecurePreferences.isScreenSecurityEnabled(activity)) {
|
|
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
|
|
} else {
|
|
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
|
|
}
|
|
}
|
|
}
|
|
|
|
private <T extends Activity & PassphraseRequiredActivity> void initializeClearKeyReceiver(final T activity) {
|
|
this.clearKeyReceiver = new BroadcastReceiver() {
|
|
@Override
|
|
public void onReceive(Context context, Intent intent) {
|
|
activity.onMasterSecretCleared();
|
|
}
|
|
};
|
|
|
|
IntentFilter filter = new IntentFilter(KeyCachingService.CLEAR_KEY_EVENT);
|
|
|
|
activity.registerReceiver(clearKeyReceiver, filter, KeyCachingService.KEY_PERMISSION, null);
|
|
}
|
|
|
|
private <T extends Activity & PassphraseRequiredActivity> void initializeNewKeyReceiver(final T activity) {
|
|
this.newKeyReceiver = new BroadcastReceiver() {
|
|
@Override
|
|
public void onReceive(Context context, Intent intent) {
|
|
activity.onNewMasterSecret((MasterSecret)intent.getParcelableExtra("master_secret"));
|
|
}
|
|
};
|
|
|
|
IntentFilter filter = new IntentFilter(KeyCachingService.NEW_KEY_EVENT);
|
|
activity.registerReceiver(newKeyReceiver, filter, KeyCachingService.KEY_PERMISSION, null);
|
|
}
|
|
|
|
private <T extends Activity & PassphraseRequiredActivity> void initializeFromMasterSecret(T activity) {
|
|
MasterSecret masterSecret = KeyCachingService.getMasterSecret(activity);
|
|
|
|
if (masterSecret == null) {
|
|
activity.onMasterSecretCleared();
|
|
} else {
|
|
activity.onNewMasterSecret(masterSecret);
|
|
}
|
|
}
|
|
|
|
private void removeClearKeyReceiver(Context context) {
|
|
if (clearKeyReceiver != null) {
|
|
context.unregisterReceiver(clearKeyReceiver);
|
|
clearKeyReceiver = null;
|
|
}
|
|
}
|
|
|
|
private void removeNewKeyReceiver(Context context) {
|
|
if (newKeyReceiver != null) {
|
|
context.unregisterReceiver(newKeyReceiver);
|
|
newKeyReceiver = null;
|
|
}
|
|
}
|
|
}
|