From 7446ffd73bd184610d550a354a8e252b0b7f334d Mon Sep 17 00:00:00 2001
From: Alexander Tkachev
Date: Wed, 11 May 2016 15:15:23 +0600
Subject: CLOUD: Integrate CloudThread into OSystem

Would be changed soon.
---
 backends/cloud/cloudthread.cpp | 21 +++++++++++++++++++--
 backends/cloud/cloudthread.h   | 11 ++++++++---
 backends/platform/sdl/sdl.cpp  |  7 +++++++
 base/main.cpp                  |  8 ++++----
 common/system.h                | 29 +++++++++++++++++++++++++++++
 5 files changed, 67 insertions(+), 9 deletions(-)

diff --git a/backends/cloud/cloudthread.cpp b/backends/cloud/cloudthread.cpp
index f8d93d2baa..813354f43f 100644
--- a/backends/cloud/cloudthread.cpp
+++ b/backends/cloud/cloudthread.cpp
@@ -23,6 +23,8 @@
 #include "cloudthread.h"
 #include "common/debug.h"
 #include "common/json.h"
+#include "common/system.h"
+#include "common/timer.h"
 
 void example1();
 void example2();
@@ -30,10 +32,10 @@ void example3();
 
 void cloudThread(void *thread) {
 	CloudThread *cloudThread = (CloudThread *)thread;
-	cloudThread->work();
+	cloudThread->handler();
 };
 
-void CloudThread::work() {
+void CloudThread::handler() {
 	if (_firstTime) {
 		_firstTime = false;
 
@@ -43,6 +45,21 @@ void CloudThread::work() {
 	} else { }
 }
 
+void CloudThread::setTimeout(int interval) {
+	Common::TimerManager *manager = g_system->getTimerManager();
+	if (!manager->installTimerProc(cloudThread, interval, this, "Cloud Thread"))
+		warning("Failed to create cloud thread");
+}
+
+void CloudThread::unsetTimeout() {
+	Common::TimerManager *manager = g_system->getTimerManager();
+	manager->removeTimerProc(cloudThread);
+}
+
+void CloudThread::start() {
+	setTimeout(1000000); //in one second
+}
+
 /// SimpleJSON examples:
 
 using Common::JSON;
diff --git a/backends/cloud/cloudthread.h b/backends/cloud/cloudthread.h
index ce448b7274..334a163dde 100644
--- a/backends/cloud/cloudthread.h
+++ b/backends/cloud/cloudthread.h
@@ -23,14 +23,19 @@
 #ifndef BACKENDS_CLOUD_CLOUDTHREAD_H
 #define BACKENDS_CLOUD_CLOUDTHREAD_H
 
-void cloudThread(void *thread); //this one is passed to TimerManager in main()
-
 class CloudThread {
+	friend void cloudThread(void*); //calls private handler()
+
 	bool _firstTime;
+
+	void handler();
+	void setTimeout(int interval);
+	void unsetTimeout();
+
 public:
 	CloudThread(): _firstTime(true) {};
 
-	void work();
+	void start();
 };
 
 #endif
diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index dca6891fef..84aa5c8421 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -33,6 +33,7 @@
 #include "gui/EventRecorder.h"
 #include "common/taskbar.h"
 #include "common/textconsole.h"
+#include "backends/cloud/cloudthread.h"
 
 #include "backends/saves/default/default-saves.h"
 
@@ -158,6 +159,12 @@ void OSystem_SDL::init() {
 		_taskbarManager = new Common::TaskbarManager();
 #endif
 
+//TODO: define USE_CLOUD
+//#if defined(USE_CLOUD)
+	if (_cloudThread == 0)
+		_cloudThread = new CloudThread();
+//#endif
+
 }
 
 void OSystem_SDL::initBackend() {
diff --git a/base/main.cpp b/base/main.cpp
index 593179d80e..ce69117bc6 100644
--- a/base/main.cpp
+++ b/base/main.cpp
@@ -477,10 +477,10 @@ extern "C" int scummvm_main(int argc, const char * const argv[]) {
 	}
 #endif
 	
-	CloudThread thread;
-	Common::TimerManager *manager = system.getTimerManager();
-	if (!manager->installTimerProc(cloudThread, 1000000, &thread, "Cloud Thread"))
-		warning("Failed to create cloud thread");
+	//TODO: define USE_CLOUD
+//#ifdef USE_CLOUD
+	system.getCloudThread()->start();
+//#endif
 
 	// Unless a game was specified, show the launcher dialog
 	if (0 == ConfMan.getActiveDomain())
diff --git a/common/system.h b/common/system.h
index 6d185d3075..1af45fb1fc 100644
--- a/common/system.h
+++ b/common/system.h
@@ -58,6 +58,12 @@ class KeymapperDefaultBindings;
 #endif
 }
 
+//TODO: define USE_CLOUD
+//TODO: probably move to common and name CloudManager
+//#if defined(USE_CLOUD)
+class CloudThread;
+//#endif
+
 class AudioCDManager;
 class FilesystemFactory;
 class PaletteManager;
@@ -178,6 +184,16 @@ protected:
 	Common::UpdateManager *_updateManager;
 #endif
 
+//TODO: define USE_CLOUD
+//#if defined(USE_CLOUD)
+	/**
+	* No default value is provided for _cloudThread by OSystem.
+	*
+	* @note _cloudThread is deleted by the OSystem destructor.
+	*/
+	CloudThread *_cloudThread;
+//#endif
+
 	/**
 	 * No default value is provided for _fsFactory by OSystem.
 	 *
@@ -1116,6 +1132,19 @@ public:
 	}
 #endif
 
+//TODO: define USE_CLOUD
+//#if defined(USE_CLOUD)
+	/**
+	* Returns the CloudThread, used to sync save games and
+	* upload/download files from user's cloud storage.
+	*
+	* @return the CloudThread for the current architecture
+	*/
+	virtual CloudThread *getCloudThread() {
+		return _cloudThread;
+	}
+//#endif
+
 	/**
 	 * Returns the FilesystemFactory object, depending on the current architecture.
 	 *
-- 
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