Add a MediaMonitor, which will watch CARD_ROOT for mountpoints

Each time a directory will appear in CARD_ROOT, the MediaMonitor
will try to load all OPKs found in CARD_ROOT/${directory}/apps

src/Makefile.am

@@ -12,7 +12,7 @@ gmenu2x_SOURCES = asfont.cpp button.cpp cpu.cpp dirdialog.cpp filedialog.cpp \
 	textdialog.cpp textmanualdialog.cpp touchscreen.cpp translator.cpp \
 	utilities.cpp wallpaperdialog.cpp \
 	browsedialog.cpp buttonbox.cpp dialog.cpp \
-	imageio.cpp powersaver.cpp monitor.cpp
+	imageio.cpp powersaver.cpp monitor.cpp mediamonitor.cpp
 
 noinst_HEADERS = asfont.h button.h cpu.h dirdialog.h FastDelegate.h \
 	filedialog.h filelister.h gmenu2x.h gp2x.h iconbutton.h imagedialog.h \
@@ -25,7 +25,7 @@ noinst_HEADERS = asfont.h button.h cpu.h dirdialog.h FastDelegate.h \
 	surfacecollection.h surface.h textdialog.h textmanualdialog.h \
 	touchscreen.h translator.h utilities.h wallpaperdialog.h \
 	browsedialog.h buttonbox.h dialog.h \
-	imageio.h powersaver.h monitor.h
+	imageio.h powersaver.h monitor.h mediamonitor.h
 
 AM_CFLAGS= @CFLAGS@ @SDL_CFLAGS@
 

src/gmenu2x.cpp

@@ -29,6 +29,7 @@
 #include "iconbutton.h"
 #include "inputdialog.h"
 #include "linkapp.h"
+#include "mediamonitor.h"
 #include "menu.h"
 #include "menusettingbool.h"
 #include "menusettingdir.h"
@@ -226,6 +227,8 @@ GMenu2X::GMenu2X()
 	setSkin(confStr["skin"], !fileExists(confStr["wallpaper"]));
 	initMenu();
 
+	monitor = new MediaMonitor(CARD_ROOT);
+
 	if (!fileExists(confStr["wallpaper"])) {
 		DEBUG("No wallpaper defined; we will take the default one.\n");
 		confStr["wallpaper"] = DEFAULT_WALLPAPER_PATH;
@@ -266,6 +269,7 @@ GMenu2X::~GMenu2X() {
 
 	delete menu;
 	delete font;
+	delete monitor;
 }
 
 void GMenu2X::quit() {

src/gmenu2x.h

@@ -35,6 +35,7 @@
 
 class ASFont;
 class Button;
+class MediaMonitor;
 class Menu;
 class Surface;
 
@@ -65,6 +66,7 @@ class GMenu2X {
 private:
 	Touchscreen ts;
 	Menu *menu;
+	MediaMonitor *monitor;
 
 	/*!
 	Retrieves the free disk space on the sd

src/inputmanager.cpp

@@ -180,8 +180,12 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
 		case SDL_USEREVENT:
 			if (!event.user.code)
 				menu->removePackageLink((const char *) event.user.data1);
-			else
+			else if (event.user.code == 1)
 				menu->openPackage((const char *) event.user.data1);
+			else if (event.user.code == 2)
+				menu->openPackagesFromDir(
+							((string) (const char *) event.user.data1
+							 + "/apps").c_str());
 			free(event.user.data1);
 			bevent->state = PRESSED;
 			bevent->button = REPAINT;

src/mediamonitor.cpp

@@ -0,0 +1,40 @@
+#ifdef ENABLE_INOTIFY
+#include <sys/inotify.h>
+#include <SDL/SDL.h>
+#include <unistd.h>
+
+#include "debug.h"
+#include "mediamonitor.h"
+
+MediaMonitor::MediaMonitor(std::string dir) :
+	Monitor(dir, IN_MOVE | IN_DELETE | IN_CREATE | IN_ONLYDIR)
+{
+}
+
+bool MediaMonitor::event_accepted(
+			struct inotify_event &event __attribute__((unused)))
+{
+	return true;
+}
+
+void MediaMonitor::inject_event(bool is_add, const char *path)
+{
+	SDL_UserEvent e = {
+		.type = SDL_USEREVENT,
+		.code = is_add ? 2 : 0,
+		.data1 = strdup(path),
+		.data2 = NULL,
+	};
+
+	/* Sleep for a bit, to ensure that the media will be mounted
+	 * on the mountpoint before we start looking for OPKs */
+	sleep(1);
+
+	DEBUG("MediaMonitor: Injecting event code %i\n", e.code);
+
+	/* Inject an user event, that will be handled as a "repaint"
+	 * event by the InputManager */
+	SDL_PushEvent((SDL_Event *) &e);
+}
+
+#endif /* ENABLE_INOTIFY */

src/mediamonitor.h

@@ -0,0 +1,18 @@
+#ifndef __MEDIAMONITOR_H__
+#define __MEDIAMONITOR_H__
+#ifdef ENABLE_INOTIFY
+
+#include "monitor.h"
+
+class MediaMonitor: public Monitor {
+	public:
+		MediaMonitor(std::string dir);
+		virtual ~MediaMonitor() { };
+
+	private:
+		virtual bool event_accepted(struct inotify_event &event);
+		virtual void inject_event(bool is_add, const char *path);
+};
+
+#endif /* ENABLE_INOTIFY */
+#endif /* __MEDIAMONITOR_H__ */