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Pebble: unify code for 2.x and >= 3.x notification encoding

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Not very clean but deduplicated a lot of code which was no longer maintainable twice
This commit is contained in:
Andreas Shimokawa 2018-11-02 21:10:31 +01:00
parent 206b718155
commit fcfcc5cb0b
1 changed files with 73 additions and 170 deletions
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243
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java
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@ -504,15 +504,11 @@ public class PebbleProtocol extends GBDeviceProtocol {
}
ts /= 1000;
if (mFwMajor >= 3) {
if (mFwMajor >= 3 || mForceProtocol || notificationSpec.type != NotificationType.GENERIC_EMAIL) {
// 3.x notification
return encodeBlobdbNotification(id, (int) (ts & 0xffffffffL), title, subtitle, notificationSpec.body,
return encodeNotification(id, (int) (ts & 0xffffffffL), title, subtitle, notificationSpec.body,
notificationSpec.sourceName, hasHandle, notificationSpec.type, notificationSpec.pebbleColor,
notificationSpec.cannedReplies, notificationSpec.attachedActions);
} else if (mForceProtocol || notificationSpec.type != NotificationType.GENERIC_EMAIL) {
// 2.x notification
return encodeExtensibleNotification(id, (int) (ts & 0xffffffffL), title, subtitle, notificationSpec.body,
notificationSpec.sourceName, hasHandle, notificationSpec.cannedReplies, notificationSpec.attachedActions);
} else {
// 1.x notification on FW 2.X
String[] parts = {title, notificationSpec.body, String.valueOf(ts), subtitle};
@ -595,138 +591,6 @@ public class PebbleProtocol extends GBDeviceProtocol {
*/
}
//TODO: add support for attachedActions
private byte[] encodeExtensibleNotification(int id, int timestamp, String title, String subtitle, String body, String sourceName, boolean hasHandle, String[] cannedReplies, ArrayList attachedActions) {
final short ACTION_LENGTH_MIN = 6;
String[] parts = {title, subtitle, body};
// Calculate length first
byte actions_count;
short actions_length;
String dismiss_string;
String open_string = GBApplication.getContext().getString(R.string._pebble_watch_open_on_phone);
String mute_string = GBApplication.getContext().getString(R.string._pebble_watch_mute);
String reply_string = GBApplication.getContext().getString(R.string._pebble_watch_reply);
if (sourceName != null) {
mute_string += " " + sourceName;
}
byte dismiss_action_id;
if (hasHandle && !"ALARMCLOCKRECEIVER".equals(sourceName)) {
actions_count = 3;
dismiss_string = "Dismiss";
dismiss_action_id = 0x02;
actions_length = (short) (ACTION_LENGTH_MIN * actions_count + dismiss_string.getBytes().length + open_string.getBytes().length + mute_string.getBytes().length);
} else {
actions_count = 1;
dismiss_string = "Dismiss all";
dismiss_action_id = 0x03;
actions_length = (short) (ACTION_LENGTH_MIN * actions_count + dismiss_string.getBytes().length);
}
int replies_length = -1;
if (cannedReplies != null && cannedReplies.length > 0) {
actions_count++;
for (String reply : cannedReplies) {
replies_length += reply.getBytes().length + 1;
}
actions_length += (short) (ACTION_LENGTH_MIN + reply_string.getBytes().length + replies_length + 3); // 3 = attribute id (byte) + length(short)
}
byte attributes_count = 0;
int length = 21 + 10 + actions_length;
for (String s : parts) {
if (s == null || s.equals("")) {
continue;
}
attributes_count++;
length += (3 + s.getBytes().length);
}
// Encode Prefix
ByteBuffer buf = ByteBuffer.allocate(length + LENGTH_PREFIX);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort((short) (length));
buf.putShort(ENDPOINT_EXTENSIBLENOTIFS);
buf.order(ByteOrder.LITTLE_ENDIAN); // !
buf.put((byte) 0x00); // ?
buf.put((byte) 0x01); // add notifications
buf.putInt(0x00000000); // flags - ?
buf.putInt(id);
buf.putInt(0x00000000); // ANCS id
buf.putInt(timestamp);
buf.put((byte) 0x01); // layout - ?
buf.put(attributes_count);
buf.put(actions_count);
byte attribute_id = 0;
// Encode Pascal-Style Strings
for (String s : parts) {
attribute_id++;
if (s == null || s.equals("")) {
continue;
}
int partlength = s.getBytes().length;
if (partlength > 255) partlength = 255;
buf.put(attribute_id);
buf.putShort((short) partlength);
buf.put(s.getBytes(), 0, partlength);
}
// dismiss action
buf.put(dismiss_action_id);
buf.put((byte) 0x04); // dismiss
buf.put((byte) 0x01); // number attributes
buf.put((byte) 0x01); // attribute id (title)
buf.putShort((short) dismiss_string.getBytes().length);
buf.put(dismiss_string.getBytes());
// open and mute actions
if (hasHandle && !"ALARMCLOCKRECEIVER".equals(sourceName)) {
buf.put((byte) 0x01);
buf.put((byte) 0x02); // generic
buf.put((byte) 0x01); // number attributes
buf.put((byte) 0x01); // attribute id (title)
buf.putShort((short) open_string.getBytes().length);
buf.put(open_string.getBytes());
buf.put((byte) 0x04);
buf.put((byte) 0x02); // generic
buf.put((byte) 0x01); // number attributes
buf.put((byte) 0x01); // attribute id (title)
buf.putShort((short) mute_string.getBytes().length);
buf.put(mute_string.getBytes());
}
if (cannedReplies != null && replies_length > 0) {
buf.put((byte) 0x05);
buf.put((byte) 0x03); // reply action
buf.put((byte) 0x02); // number attributes
buf.put((byte) 0x01); // title
buf.putShort((short) reply_string.getBytes().length);
buf.put(reply_string.getBytes());
buf.put((byte) 0x08); // canned replies
buf.putShort((short) replies_length);
for (int i = 0; i < cannedReplies.length - 1; i++) {
buf.put(cannedReplies[i].getBytes());
buf.put((byte) 0x00);
}
// last one must not be zero terminated, else we get an additional emply reply
buf.put(cannedReplies[cannedReplies.length - 1].getBytes());
}
return buf.array();
}
private byte[] encodeBlobdb(Object key, byte command, byte db, byte[] blob) {
int length = 5;
@ -930,9 +794,9 @@ public class PebbleProtocol extends GBDeviceProtocol {
return encodeBlobdb(uuid, BLOBDB_INSERT, BLOBDB_PIN, buf.array());
}
private byte[] encodeBlobdbNotification(int id, int timestamp, String title, String subtitle, String body, String sourceName,
boolean hasHandle, NotificationType notificationType, byte backgroundColor,
String[] cannedReplies, ArrayList<Action> attachedActions) {
private byte[] encodeNotification(int id, int timestamp, String title, String subtitle, String body, String sourceName,
boolean hasHandle, NotificationType notificationType, byte backgroundColor,
String[] cannedReplies, ArrayList<Action> attachedActions) {
final short NOTIFICATION_PIN_LENGTH = 46;
final short ACTION_LENGTH_MIN = 6;
@ -948,8 +812,8 @@ public class PebbleProtocol extends GBDeviceProtocol {
int actions_count = 0;
short actions_length = 0;
String dismiss_string;
String open_string = "Open on phone";
String mute_string = "Mute";
String open_string = GBApplication.getContext().getString(R.string._pebble_watch_open_on_phone);
String mute_string = GBApplication.getContext().getString(R.string._pebble_watch_mute);
if (sourceName != null) {
mute_string += " " + sourceName;
}
@ -983,8 +847,13 @@ public class PebbleProtocol extends GBDeviceProtocol {
actions_length += (short) (replies_length + 3); // 3 = attribute id (byte) + length(short)
}
byte attributes_count = 2; // icon
short attributes_length = (short) (11 + actions_length);
byte attributes_count = 0;
short attributes_length = actions_length;
if (mFwMajor >= 3) {
attributes_count += 2; // icon
attributes_length += 11;
}
for (String s : parts) {
if (s == null || s.equals("")) {
continue;
@ -993,23 +862,52 @@ public class PebbleProtocol extends GBDeviceProtocol {
attributes_length += (short) (3 + s.getBytes().length);
}
short pin_length = (short) (NOTIFICATION_PIN_LENGTH + attributes_length);
short length;
int max_partlength;
byte dismiss_action_type;
ByteBuffer buf;
if (mFwMajor >= 3) {
length = (short) (NOTIFICATION_PIN_LENGTH + attributes_length);
max_partlength = 512;
dismiss_action_type = 0x02; // generic action, dismiss did not do anything
buf = ByteBuffer.allocate(length);
} else {
length = (short) (21 + attributes_length);
max_partlength = 256;
dismiss_action_type = 0x04; // dismiss
buf = ByteBuffer.allocate(length + LENGTH_PREFIX);
}
ByteBuffer buf = ByteBuffer.allocate(pin_length);
// pin - 46 bytes
buf.order(ByteOrder.BIG_ENDIAN);
buf.putLong(GB_UUID_MASK);
buf.putLong(id);
buf.putLong(UUID_NOTIFICATIONS.getMostSignificantBits());
buf.putLong(UUID_NOTIFICATIONS.getLeastSignificantBits());
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.putInt(timestamp); // 32-bit timestamp
buf.putShort((short) 0); // duration
buf.put((byte) 0x01); // type (0x01 = notification)
buf.putShort((short) 0x0001); // flags 0x0001 = ?
buf.put((byte) 0x04); // layout (0x04 = notification?)
buf.putShort(attributes_length); // total length of all attributes and actions in bytes
if (mFwMajor >= 3) {
// pin - 46 bytes
buf.putLong(GB_UUID_MASK);
buf.putLong(id);
buf.putLong(UUID_NOTIFICATIONS.getMostSignificantBits());
buf.putLong(UUID_NOTIFICATIONS.getLeastSignificantBits());
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.putInt(timestamp); // 32-bit timestamp
buf.putShort((short) 0); // duration
buf.put((byte) 0x01); // type (0x01 = notification)
buf.putShort((short) 0x0001); // flags 0x0001 = ?
buf.put((byte) 0x04); // layout (0x04 = notification?)
buf.putShort(attributes_length); // total length of all attributes and actions in bytes
} else {
buf.putShort(length);
buf.putShort(ENDPOINT_EXTENSIBLENOTIFS);
buf.order(ByteOrder.LITTLE_ENDIAN); // !
buf.put((byte) 0x00); // ?
buf.put((byte) 0x01); // add notifications
buf.putInt(0x00000000); // flags - ?
buf.putInt(id);
buf.putInt(0x00000000); // ANCS id
buf.putInt(timestamp);
buf.put((byte) 0x01); // layout - ?
}
buf.put(attributes_count);
buf.put((byte) actions_count);
@ -1022,23 +920,25 @@ public class PebbleProtocol extends GBDeviceProtocol {
}
int partlength = s.getBytes().length;
if (partlength > 512) partlength = 512;
if (partlength > max_partlength) partlength = max_partlength;
buf.put(attribute_id);
buf.putShort((short) partlength);
buf.put(s.getBytes(), 0, partlength);
}
buf.put((byte) 4); // icon
buf.putShort((short) 4); // length of int
buf.putInt(0x80000000 | icon_id);
if (mFwMajor >= 3) {
buf.put((byte) 4); // icon
buf.putShort((short) 4); // length of int
buf.putInt(0x80000000 | icon_id);
buf.put((byte) 28); // background_color
buf.putShort((short) 1); // length of int
buf.put(backgroundColor);
buf.put((byte) 28); // background_color
buf.putShort((short) 1); // length of int
buf.put(backgroundColor);
}
// dismiss action
buf.put(dismiss_action_id);
buf.put((byte) 0x02); // generic action, dismiss did not do anything
buf.put(dismiss_action_type);
buf.put((byte) 0x01); // number attributes
buf.put((byte) 0x01); // attribute id (title)
buf.putShort((short) dismiss_string.getBytes().length);
@ -1087,8 +987,11 @@ public class PebbleProtocol extends GBDeviceProtocol {
}
}
}
return encodeBlobdb(UUID.randomUUID(), BLOBDB_INSERT, BLOBDB_NOTIFICATION, buf.array());
if (mFwMajor >= 3) {
return encodeBlobdb(UUID.randomUUID(), BLOBDB_INSERT, BLOBDB_NOTIFICATION, buf.array());
} else {
return buf.array();
}
}
private byte[] encodeActionResponse2x(int id, byte actionId, int iconId, String caption) {