PowerStatus: Add logic to automatically install in Deskbar.

Modeled after NetworkStatus. Also add it to
default_deskbar_items.sh.

Fixes #18748.

data/system/boot/first_login/default_deskbar_items.sh

@@ -1,8 +1,9 @@
 #!/bin/sh
 
-# install ProcessController, NetworkStatus & volume control in the Deskbar
+# install ProcessController, NetworkStatus, PowerStatus & volume control in the Deskbar
 /boot/system/apps/ProcessController -deskbar
 /boot/system/apps/NetworkStatus --deskbar
+/boot/system/apps/PowerStatus --deskbar
 /boot/system/bin/desklink --add-volume
 
 # install KeymapSwitcher for certain locales

src/apps/powerstatus/PowerStatus.cpp

@@ -33,8 +33,12 @@ class PowerStatus : public BApplication {
 		PowerStatus();
 		virtual	~PowerStatus();
 
+		virtual void	ArgvReceived(int32 argc, char** argv);
 		virtual	void	ReadyToRun();
 		virtual void	AboutRequested();
+
+	private:
+		bool fAutoInstallInDeskbar;
 };
 
 
@@ -61,7 +65,9 @@ our_image(image_info& image)
 
 
 PowerStatus::PowerStatus()
-	: BApplication(kSignature)
+	:
+	BApplication(kSignature),
+	fAutoInstallInDeskbar(false)
 {
 }
 
@@ -71,6 +77,27 @@ PowerStatus::~PowerStatus()
 }
 
 
+void
+PowerStatus::ArgvReceived(int32 argc, char** argv)
+{
+	if (argc <= 1)
+		return;
+
+	if (strcmp(argv[1], "--help") == 0
+		|| strcmp(argv[1], "-h") == 0) {
+		const char* str = "PowerStatus options:\n"
+			"\t--deskbar\tautomatically add replicant to Deskbar\n"
+			"\t--help\t\tprint this info and exit";
+		puts(str);
+		Quit();
+		return;
+	}
+
+	if (strcmp(argv[1], "--deskbar") == 0)
+		fAutoInstallInDeskbar = true;
+}
+
+
 void
 PowerStatus::ReadyToRun()
 {
@@ -83,6 +110,7 @@ PowerStatus::ReadyToRun()
 				B_TRANSLATE("No supported battery detected. PowerStatus "
 				"cannot be used on your system."), B_TRANSLATE("Too bad!"),
 				NULL, NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
+			if (!fAutoInstallInDeskbar)
 				alert->Go();
 			Quit();
 			return;
@@ -93,9 +121,7 @@ PowerStatus::ReadyToRun()
 		// if the Deskbar is not alive at this point, it might be after having
 		// acknowledged the requester below
 		BDeskbar deskbar;
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 		isDeskbarRunning = deskbar.IsRunning();
-#endif
 		isInstalled = deskbar.HasItem(kDeskbarItemName);
 	}
 
@@ -106,7 +132,7 @@ PowerStatus::ReadyToRun()
 			B_TRANSLATE("Install in Deskbar"), NULL, B_WIDTH_AS_USUAL,
 			B_WARNING_ALERT);
 
-		if (alert->Go()) {
+		if (fAutoInstallInDeskbar || alert->Go()) {
 			image_info info;
 			entry_ref ref;
 
@@ -147,11 +173,10 @@ PowerStatus::AboutRequested()
 
 
 int
-main(int, char**)
+main(int argc, char* argv[])
 {
 	PowerStatus app;
 	app.Run();
 
 	return 0;
 }
-