Support power off on close

PR #824 <https://github.com/Genymobile/scrcpy/pull/824>

Signed-off-by: Yu-Chen Lin <npes87184@gmail.com>
Signed-off-by: Romain Vimont <rom@rom1v.com>

app/src/cli.c

@@ -666,6 +666,7 @@ guess_record_format(const char *filename) {
 #define OPT_FORWARD_ALL_CLICKS     1023
 #define OPT_LEGACY_PASTE           1024
 #define OPT_ENCODER_NAME           1025
+#define OPT_POWER_OFF_ON_CLOSE     1026
 
 bool
 scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
@@ -716,6 +717,8 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
         {"window-height",          required_argument, NULL, OPT_WINDOW_HEIGHT},
         {"window-borderless",      no_argument,       NULL,
                                                   OPT_WINDOW_BORDERLESS},
+        {"power-off-on-close",     no_argument,       NULL,
+                                                  OPT_POWER_OFF_ON_CLOSE},
         {NULL,                     0,                 NULL, 0  },
     };
 
@@ -884,6 +887,9 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
             case OPT_LEGACY_PASTE:
                 opts->legacy_paste = true;
                 break;
+            case OPT_POWER_OFF_ON_CLOSE:
+                opts->power_off_on_close = true;
+                break;
             default:
                 // getopt prints the error message on stderr
                 return false;

app/src/scrcpy.c

@@ -300,6 +300,7 @@ scrcpy(const struct scrcpy_options *options) {
         .codec_options = options->codec_options,
         .encoder_name = options->encoder_name,
         .force_adb_forward = options->force_adb_forward,
+        .power_off_on_close = options->power_off_on_close,
     };
     if (!server_start(&server, options->serial, &params)) {
         goto end;

app/src/scrcpy.h

@@ -82,6 +82,7 @@ struct scrcpy_options {
     bool forward_key_repeat;
     bool forward_all_clicks;
     bool legacy_paste;
+    bool power_off_on_close;
 };
 
 #define SCRCPY_OPTIONS_DEFAULT { \
@@ -129,6 +130,7 @@ struct scrcpy_options {
     .forward_key_repeat = true, \
     .forward_all_clicks = false, \
     .legacy_paste = false, \
+    .power_off_on_close = false, \
 }
 
 bool

app/src/server.c

@@ -293,6 +293,7 @@ execute_server(struct server *server, const struct server_params *params) {
         params->stay_awake ? "true" : "false",
         params->codec_options ? params->codec_options : "-",
         params->encoder_name ? params->encoder_name : "-",
+        params->power_off_on_close ? "true" : "false",
     };
 #ifdef SERVER_DEBUGGER
     LOGI("Server debugger waiting for a client on device port "

app/src/server.h

@@ -46,6 +46,7 @@ struct server_params {
     bool show_touches;
     bool stay_awake;
     bool force_adb_forward;
+    bool power_off_on_close;
 };
 
 // init default values

server/src/main/java/com/genymobile/scrcpy/CleanUp.java

@@ -19,19 +19,21 @@ public final class CleanUp {
         // not instantiable
     }
 
-    public static void configure(boolean disableShowTouches, int restoreStayOn, boolean restoreNormalPowerMode) throws IOException {
-        boolean needProcess = disableShowTouches || restoreStayOn != -1 || restoreNormalPowerMode;
+    public static void configure(boolean disableShowTouches, int restoreStayOn, boolean restoreNormalPowerMode, boolean powerOffScreen, int displayId)
+            throws IOException {
+        boolean needProcess = disableShowTouches || restoreStayOn != -1 || restoreNormalPowerMode || powerOffScreen;
         if (needProcess) {
-            startProcess(disableShowTouches, restoreStayOn, restoreNormalPowerMode);
+            startProcess(disableShowTouches, restoreStayOn, restoreNormalPowerMode, powerOffScreen, displayId);
         } else {
             // There is no additional clean up to do when scrcpy dies
             unlinkSelf();
         }
     }
 
-    private static void startProcess(boolean disableShowTouches, int restoreStayOn, boolean restoreNormalPowerMode) throws IOException {
+    private static void startProcess(boolean disableShowTouches, int restoreStayOn, boolean restoreNormalPowerMode, boolean powerOffScreen,
+            int displayId) throws IOException {
         String[] cmd = {"app_process", "/", CleanUp.class.getName(), String.valueOf(disableShowTouches), String.valueOf(
-                restoreStayOn), String.valueOf(restoreNormalPowerMode)};
+                restoreStayOn), String.valueOf(restoreNormalPowerMode), String.valueOf(powerOffScreen), String.valueOf(displayId)};
 
         ProcessBuilder builder = new ProcessBuilder(cmd);
         builder.environment().put("CLASSPATH", SERVER_PATH);
@@ -61,6 +63,8 @@ public final class CleanUp {
         boolean disableShowTouches = Boolean.parseBoolean(args[0]);
         int restoreStayOn = Integer.parseInt(args[1]);
         boolean restoreNormalPowerMode = Boolean.parseBoolean(args[2]);
+        boolean powerOffScreen = Boolean.parseBoolean(args[3]);
+        int displayId = Integer.parseInt(args[4]);
 
         if (disableShowTouches || restoreStayOn != -1) {
             ServiceManager serviceManager = new ServiceManager();
@@ -76,9 +80,12 @@ public final class CleanUp {
             }
         }
 
-        if (restoreNormalPowerMode) {
-            Ln.i("Restoring normal power mode");
-            if (Device.isScreenOn()) {
+        if (Device.isScreenOn()) {
+            if (powerOffScreen) {
+                Ln.i("Power off screen");
+                Device.powerOffScreen(displayId);
+            } else if (restoreNormalPowerMode) {
+                Ln.i("Restoring normal power mode");
                 Device.setScreenPowerMode(Device.POWER_MODE_NORMAL);
             }
         }

server/src/main/java/com/genymobile/scrcpy/Options.java

@@ -17,6 +17,7 @@ public class Options {
     private boolean stayAwake;
     private String codecOptions;
     private String encoderName;
+    private boolean powerOffScreenOnClose;
 
     public Ln.Level getLogLevel() {
         return logLevel;
@@ -129,4 +130,12 @@ public class Options {
     public void setEncoderName(String encoderName) {
         this.encoderName = encoderName;
     }
+
+    public void setPowerOffScreenOnClose(boolean powerOffScreenOnClose) {
+        this.powerOffScreenOnClose = powerOffScreenOnClose;
+    }
+
+    public boolean getPowerOffScreenOnClose() {
+        return this.powerOffScreenOnClose;
+    }
 }

server/src/main/java/com/genymobile/scrcpy/Server.java

@@ -50,7 +50,7 @@ public final class Server {
             }
         }
 
-        CleanUp.configure(mustDisableShowTouchesOnCleanUp, restoreStayOn, true);
+        CleanUp.configure(mustDisableShowTouchesOnCleanUp, restoreStayOn, true, options.getPowerOffScreenOnClose(), options.getDisplayId());
 
         boolean tunnelForward = options.isTunnelForward();
 
@@ -135,7 +135,7 @@ public final class Server {
                     "The server version (" + BuildConfig.VERSION_NAME + ") does not match the client " + "(" + clientVersion + ")");
         }
 
-        final int expectedParameters = 15;
+        final int expectedParameters = 16;
         if (args.length != expectedParameters) {
             throw new IllegalArgumentException("Expecting " + expectedParameters + " parameters");
         }
@@ -185,6 +185,9 @@ public final class Server {
         String encoderName = "-".equals(args[14]) ? null : args[14];
         options.setEncoderName(encoderName);
 
+        boolean powerOffScreenOnClose = Boolean.parseBoolean(args[15]);
+        options.setPowerOffScreenOnClose(powerOffScreenOnClose);
+
         return options;
     }