opkg_manager: vizualize available package updates

data/locale/deutsch.locale

@@ -2253,7 +2253,7 @@ opkg.install.local.package Installiere lokales Paket
 opkg.messagebox.reinstall %s erneut installieren?
 opkg.messagebox.remove %s entfernen?
 opkg.messagebox.size.error Nicht genügend freier Speicher für Paketinstallation verfügbar!
-opkg.messagebox.updates.available Aktualisierung(en) verfügbar!
+opkg.messagebox.updates.available Paket-Aktualisierung(en) verfügbar!
 opkg.success.install Installation erfolgreich!\nNeustart von Neutrino kann erforderlich sein. Jetzt neu starten?
 opkg.title Paketverwaltung
 opkg.update.check Prüfe auf Updates ...

data/locale/english.locale

@@ -2253,7 +2253,7 @@ opkg.install.local.package Install local package
 opkg.messagebox.reinstall Re-install %s?
 opkg.messagebox.remove Remove %s?
 opkg.messagebox.size.error Not enough free memory available for this package!
-opkg.messagebox.updates.available Update(s) available!
+opkg.messagebox.updates.available Package update(s) available!
 opkg.success.install Install successful!\n restart of Neutrino might be required. Restart now?
 opkg.title Package Management
 opkg.update.check Checking for updates ...

src/gui/opkg_manager.cpp

@@ -5,7 +5,7 @@
 	OPKG-Manager Class for Neutrino-GUI
 
 	Implementation:
-	Copyright (C) 2012-2018 T. Graf 'dbt'
+	Copyright (C) 2012-2020 T. Graf 'dbt'
 	www.dbox2-tuning.net
 
 	Adaptions:
@@ -34,7 +34,7 @@
 #endif
 
 #include "opkg_manager.h"
-#include <gui/widget/termwindow.h>
+#include "widget/termwindow.h"
 /* hack, so we don't have to change all code below */
 #define CShellWindow CTermWindow
 
@@ -42,14 +42,14 @@
 #include <neutrino.h>
 #include <neutrino_menue.h>
 
-#include <gui/widget/icons.h>
+#include "widget/icons.h"
-#include <gui/widget/msgbox.h>
+#include "widget/msgbox.h"
 
-#include <gui/widget/progresswindow.h>
+#include "widget/progresswindow.h"
-#include <gui/widget/hintbox.h>
+#include "widget/hintbox.h"
-#include <gui/widget/keyboard_input.h>
+#include "widget/keyboard_input.h"
 #include <driver/screen_max.h>
-#include <gui/filebrowser.h>
+#include "filebrowser.h"
 #include <system/debug.h>
 #include <system/helpers.h>
 #include <unistd.h>
@@ -87,6 +87,8 @@
  */
 #define SYSTEM_UPDATE "system-update"
 
+#define INFOBAR_TXT_FILE "/tmp/infobar.txt"
+
 using namespace std;
 
 enum
@@ -169,6 +171,10 @@ int COPKGManager::exec(CMenuTarget* parent, const string &actionKey)
 		int ret = showMenu();
 		saveConfig();
 		CFileHelpers::removeDir(OPKG_TMP_DIR);
+
+		if (!num_updates)
+			removeInfoBarTxt();
+
 		return ret;
 	}
 	int selected = menu->getSelected() - menu_offset;
@@ -457,9 +463,55 @@ void COPKGManager::updateMenu()
 	}
 }
 
+bool COPKGManager::removeInfoBarTxt()
+{
+	if (file_exists(INFOBAR_TXT_FILE))
+	{
+		//ensure remove infobar.txt with relevant content.
+		std::string txt = readFile(INFOBAR_TXT_FILE);
+		std::string update_text = g_Locale->getText(LOCALE_OPKG_MESSAGEBOX_UPDATES_AVAILABLE);
+		std::size_t found = txt.find(update_text);
+		if (found != std::string::npos)
+		{
+			unlink(INFOBAR_TXT_FILE);
+			return true;
+		}
+	}
+	return false;
+}
+
+void COPKGManager::initUpdateMessage(bool enable_message)
+{
+	std::string update_count = to_string(num_updates) + " ";
+	std::string update_text = g_Locale->getText(LOCALE_OPKG_MESSAGEBOX_UPDATES_AVAILABLE);
+	std::string update_msg = update_count + update_text;
+
+	dprintf(DEBUG_NORMAL,"\033[32m[COPKGManager] [%s - %d] %s...\033[0m\n", __func__, __LINE__, update_msg.c_str());
+
+	if (enable_message && !removeInfoBarTxt())
+		DisplayInfoMessage(update_msg.c_str());
+
+	fstream f;
+	f.open(INFOBAR_TXT_FILE, ios::out);
+	f << update_msg << endl;
+	f.close();
+}
+
+void COPKGManager::setUpdateCheckResult(bool enable_message)
+{
+	std::lock_guard<std::mutex> g(opk_mutex);
+
+	checkUpdates(std::string(), enable_message);
+	if (num_updates)
+		initUpdateMessage(enable_message);
+	else
+		removeInfoBarTxt();
+}
+
+
 bool COPKGManager::checkUpdates(const std::string & package_name, bool show_progress)
 {
-	if (!hasOpkgSupport())
+	if (!hasOpkgSupport() || file_exists("/run/opkg.lock"))
 		return false;
 
 	silent = !show_progress;
@@ -497,11 +549,11 @@ bool COPKGManager::checkUpdates(const std::string & package_name, bool show_prog
 
 		if (it->second.upgradable){
 			dprintf(DEBUG_INFO,  "[COPKGManager] [%s - %d]  Update packages available for...%s\n", __func__, __LINE__, it->second.name.c_str());
-			if (!package_name.empty() && package_name == it->second.name){
+			if (!package_name.empty() && package_name == it->second.name)
-				ret = true;
+				num_updates = 1;
-			}else
+			else
-				ret = true;
 				num_updates++;
+			ret = true;
 		}
 		i++;
 	}
@@ -544,6 +596,7 @@ int COPKGManager::doUpdate()
 			DisplayErrorMessage(msg.c_str());
 		return r;
 	}
+
 	return 0;
 }
 
@@ -553,23 +606,10 @@ void COPKGManager::refreshMenu() {
 	updateMenu();
 }
 
-
-void COPKGManager::showUpdateCheckResult()
-{
-	checkUpdates();
-
-	if (num_updates)
-	{
-		std::string update_msg = to_string(num_updates) + " ";
-		update_msg += g_Locale->getText(LOCALE_OPKG_MESSAGEBOX_UPDATES_AVAILABLE);
-		DisplayInfoMessage(update_msg.c_str());
-	}
-}
-
 int COPKGManager::showMenu()
 {
 	installed = false;
-	showUpdateCheckResult();
+	setUpdateCheckResult(true);
 #if 0
 	getPkgData(OM_LIST);
 	getPkgData(OM_LIST_UPGRADEABLE);
@@ -625,7 +665,7 @@ int COPKGManager::showMenu()
 	//handling after successful installation
 	string exit_action = "";
 	if (!has_err && installed){
-		/*!
+		/*
 			Show a success message only if restart/reboot is required and user should decide what to do or not.
 			NOTE: marker file should be generated by opkg package itself (eg. with preinstall scripts),
 			so it's controlled by the package maintainer!

src/gui/opkg_manager.h

@@ -5,7 +5,7 @@
 	OPKG-Manager Class for Neutrino-GUI
 
 	Implementation:
-	Copyright (C) 2012-2015 T. Graf 'dbt'
+	Copyright (C) 2012-2020 T. Graf 'dbt'
 	www.dbox2-tuning.net
 
 	Adaptions:
@@ -36,6 +36,7 @@
 #include <string>
 #include <vector>
 #include <map>
+#include <mutex>
 
 #define OPKG_MAX_FEEDS 10
 
@@ -107,7 +108,10 @@ class COPKGManager : public CMenuTarget
 		std::string getBlankPkgName(const std::string& line);
 		bool isInstalled(const std::string& pkg_name);
 		bool isUpgradable(const std::string& pkg_name);
-		void showUpdateCheckResult();
+
+		void initUpdateMessage(bool enable_message = true);
+		bool removeInfoBarTxt();
+		std::mutex opk_mutex;
 
 		/*!
 		* Gets an info from opkg command info or status from a package via keywords as std::string
@@ -172,7 +176,8 @@ class COPKGManager : public CMenuTarget
 
 		int exec(CMenuTarget* parent, const std::string & actionKey);
 		static bool hasOpkgSupport();
-		bool checkUpdates(const std::string & package_name = std::string(), bool show_progress = true);
+		bool checkUpdates(const std::string & package_name = std::string(), bool show_progress = false);
+		void setUpdateCheckResult(bool enable_message = true);
 		bool installPackage(const std::string& pkg_name, std::string options = std::string(), bool force_configure = false);
 		bool checkSize(const std::string& pkg_name);
 };