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Make the device acknowledge device clipboard

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If the client provided a sequence number on SET_CLIPBOARD request, make
the device send back an acknowledgement once the clipboard is set.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
This commit is contained in:
Romain Vimont 2021-11-20 12:23:45 +01:00
parent 2a0730ee9b
commit 41abe021e2
4 changed files with 30 additions and 3 deletions
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2
server/src/main/java/com/genymobile/scrcpy/ControlMessage.java
View file

@ -18,6 +18,8 @@ public final class ControlMessage {
public static final int TYPE_SET_SCREEN_POWER_MODE = 10;
public static final int TYPE_ROTATE_DEVICE = 11;
public static final long SEQUENCE_INVALID = 0;
private int type;
private String text;
private int metaState; // KeyEvent.META_*

5
server/src/main/java/com/genymobile/scrcpy/Controller.java
View file

@ -120,7 +120,12 @@ public class Controller {
}
break;
case ControlMessage.TYPE_SET_CLIPBOARD:
long sequence = msg.getSequence();
setClipboard(msg.getText(), msg.getPaste());
if (sequence != ControlMessage.SEQUENCE_INVALID) {
// Acknowledgement requested
sender.pushAckClipboard(sequence);
}
break;
case ControlMessage.TYPE_SET_SCREEN_POWER_MODE:
if (device.supportsInputEvents()) {

2
server/src/main/java/com/genymobile/scrcpy/DeviceMessage.java
View file

@ -5,6 +5,8 @@ public final class DeviceMessage {
public static final int TYPE_CLIPBOARD = 0;
public static final int TYPE_ACK_CLIPBOARD = 1;
public static final long SEQUENCE_INVALID = ControlMessage.SEQUENCE_INVALID;
private int type;
private String text;
private long sequence;

20
server/src/main/java/com/genymobile/scrcpy/DeviceMessageSender.java
View file

@ -8,6 +8,8 @@ public final class DeviceMessageSender {
private String clipboardText;
private long ack;
public DeviceMessageSender(DesktopConnection connection) {
this.connection = connection;
}
@ -17,18 +19,34 @@ public final class DeviceMessageSender {
notify();
}
public synchronized void pushAckClipboard(long sequence) {
ack = sequence;
notify();
}
public void loop() throws IOException, InterruptedException {
while (true) {
String text;
long sequence;
synchronized (this) {
while (clipboardText == null) {
while (ack == DeviceMessage.SEQUENCE_INVALID && clipboardText == null) {
wait();
}
text = clipboardText;
clipboardText = null;
sequence = ack;
ack = DeviceMessage.SEQUENCE_INVALID;
}
if (sequence != DeviceMessage.SEQUENCE_INVALID) {
DeviceMessage event = DeviceMessage.createAckClipboard(sequence);
connection.sendDeviceMessage(event);
}
if (text != null) {
DeviceMessage event = DeviceMessage.createClipboard(text);
connection.sendDeviceMessage(event);
}
}
}
}