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Code Issues Packages Projects Releases 3 Wiki Activity

delete unused dc_msg notification channels

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This commit is contained in:
B. Petersen
2020-05-19 23:55:52 +02:00
parent 6c7a17ac41
commit 267b3c8a75
1 changed files with 50 additions and 49 deletions
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src/org/thoughtcrime/securesms/notifications/NotificationCenter.java
+50 -49
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@@ -38,7 +38,7 @@ public class NotificationCenter {
this.context = dcContext.context.getApplicationContext();
}
private Uri getEffectiveSound(int chatId) {
private Uri effectiveSound(int chatId) { // chatId=0: return app-global setting
Uri chatRingtone = Prefs.getChatRingtone(context, chatId);
if (chatRingtone!=null) {
return chatRingtone;
@@ -51,7 +51,7 @@ public class NotificationCenter {
return null;
}
private boolean getEffectiveVibrate(int chatId) {
private boolean effectiveVibrate(int chatId) { // chatId=0: return app-global setting
Prefs.VibrateState vibrate = Prefs.getChatVibrate(context, chatId);
if (vibrate == Prefs.VibrateState.ENABLED) {
return true;
@@ -78,8 +78,7 @@ public class NotificationCenter {
}
return argb;
}
// Notification channels
// --------------------------------------------------------------------------------------------
@@ -99,7 +98,7 @@ public class NotificationCenter {
// can edit the notifications in Delta Chat as well as in the system
// channelIds: CH_MSG_* are used here, the other ones from outside (defined here to have some overview)
public static final String CH_MSG_PREFIX = "ch_msg"; // full name is "ch_msgV_HASH" or "ch_msgV_HASH.CHATID"
public static final String CH_MSG_PREFIX = "ch_msg";
public static final String CH_MSG_VERSION = "4";
public static final String CH_PERMANENT_NOTIFICATION = "dc_foreground_notification_ch";
@@ -107,22 +106,35 @@ public class NotificationCenter {
return Build.VERSION.SDK_INT >= 26;
}
private boolean isNotificationChannelInUse(String chId) {
// full name is "ch_msgV_HASH" or "ch_msgV_HASH.CHATID"
private String computeChannelId(String ledColor, boolean vibrate, Uri ringtone, int chatId) {
String channelId = CH_MSG_PREFIX;
try {
if (chId.startsWith(CH_MSG_PREFIX + CH_MSG_VERSION)) {
int point = chId.lastIndexOf(".");
if (point == -1) {
return true; // this is the current standard channel for all chats that do not have explicit sound/vibrate set
} else {
int chatId = Integer.parseInt(chId.substring(point + 1));
if (requiresIndependentChannel(chatId)) {
return true; // this is a channel for a chat with explicit sound/vibrate set
}
String hash = "";
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(ledColor.getBytes());
md.update(vibrate ? (byte) 1 : (byte) 0);
md.update(ringtone.toString().getBytes());
hash = String.format("%X", new BigInteger(1, md.digest())).substring(0, 16);
}
channelId = CH_MSG_PREFIX + CH_MSG_VERSION + "_" + hash;
if (chatId!=0) {
channelId += String.format(".%d", chatId);
}
} catch(Exception e) { }
return channelId;
}
// return chatId from "ch_msgV_HASH.CHATID" or 0
private int parseNotificationChannelChatId(String channelId) {
try {
int point = channelId.lastIndexOf(".");
if (point>0) {
return Integer.parseInt(channelId.substring(point + 1));
}
} catch(Exception e) { }
return false;
return 0;
}
private String getNotificationChannelGroup(NotificationManagerCompat notificationManager) {
@@ -136,29 +148,18 @@ public class NotificationCenter {
private String getNotificationChannel(NotificationManagerCompat notificationManager, DcChat dcChat) {
int chatId = dcChat.getId();
String channelId = CH_MSG_PREFIX + CH_MSG_VERSION + "_" + "unsupported";
String channelId = CH_MSG_PREFIX;
if(notificationChannelsSupported()) {
try {
// get all values we'll use as settings for the NotificationChannel
String ledColor = Prefs.getNotificationLedColor(context);
boolean defaultVibrate = getEffectiveVibrate(chatId);
Uri ringtone = getEffectiveSound(chatId);
boolean defaultVibrate = effectiveVibrate(chatId);
Uri ringtone = effectiveSound(chatId);
boolean isIndependent = requiresIndependentChannel(chatId);
// compute hash from these settings
String hash = "";
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(ledColor.getBytes());
md.update(defaultVibrate ? (byte) 1 : (byte) 0);
md.update(ringtone.toString().getBytes());
hash = String.format("%X", new BigInteger(1, md.digest())).substring(0, 16);
// get channel id
channelId = CH_MSG_PREFIX + CH_MSG_VERSION + "_" + hash;
if (isIndependent) {
channelId += String.format(".%d", chatId);
}
// get channel id from these settings
channelId = computeChannelId(ledColor, defaultVibrate, ringtone, isIndependent? chatId : 0);
// user-visible name of the channel -
// we just use the name of the chat or "Default"
@@ -168,25 +169,25 @@ public class NotificationCenter {
name = dcChat.getName();
}
// check if there is already a channel with the given name,
// delete unused `ch_msg` channel names (keep others as `dc_foreground_notification_ch`)
// check if there is already a channel with the given name
List<NotificationChannel> channels = notificationManager.getNotificationChannels();
boolean channelExists = false;
for (int i = 0; i < channels.size(); i++) {
NotificationChannel currChannel = channels.get(i);
String currChannelId = currChannel.getId();
if (channelId.equals(currChannelId)) {
channelExists = true;
try {
String currChannelId = channels.get(i).getId();
if (currChannelId.startsWith(CH_MSG_PREFIX)) {
// this is one of the message channels handled here ...
if (currChannelId.equals(channelId)) {
// ... this is the actually required channel, fine :)
// update the name to reflect localize changes and chat renames
currChannel.setName(name);
} catch(Exception e) { }
} else if (currChannelId.startsWith(CH_MSG_PREFIX) && !isNotificationChannelInUse(currChannelId)) {
// TODO: outdated un-independent channels are not deleted
try {
notificationManager.deleteNotificationChannel(currChannelId);
channelExists = true;
channels.get(i).setName(name);
} else {
// ... another message channel, delete if it is not in use.
int currChatId = parseNotificationChannelChatId(currChannelId);
if (!currChannelId.equals(computeChannelId(ledColor, effectiveVibrate(currChatId), effectiveSound(currChatId), currChatId))) {
notificationManager.deleteNotificationChannel(currChannelId);
}
}
catch (Exception e) { }
}
}
@@ -260,11 +261,11 @@ public class NotificationCenter {
// set sound, vibrate, led for systems that do not have notification channels
if (!notificationChannelsSupported()) {
Uri sound = getEffectiveSound(chatId);
Uri sound = effectiveSound(chatId);
if (sound != null) {
builder.setSound(sound);
}
boolean vibrate = getEffectiveVibrate(chatId);
boolean vibrate = effectiveVibrate(chatId);
if (vibrate) {
builder.setDefaults(Notification.DEFAULT_VIBRATE);
}