BACKENDS: Integrate glib main event loop

 - Unity needs a glib event loop to dispatch events.
 - Cleanup whitespace and indentation

2 files changed, 34 insertions, 8 deletions

diff --git a/backends/taskbar/unity/unity-taskbar.cpp b/backends/taskbar/unity/unity-taskbar.cpp
index 6c18f0940c..24347e382f 100644
--- a/backends/taskbar/unity/unity-taskbar.cpp
+++ b/backends/taskbar/unity/unity-taskbar.cpp
@@ -32,27 +32,31 @@
 #include "common/textconsole.h"
 
 UnityTaskbarManager::UnityTaskbarManager() {
-    g_type_init();
+	g_type_init();
 
-    _launcher = unity_launcher_entry_get_for_desktop_id("scummvm.desktop");
+	_loop = g_main_loop_new(NULL, FALSE);
+
+	_launcher = unity_launcher_entry_get_for_desktop_id("scummvm.desktop");
 }
 
 UnityTaskbarManager::~UnityTaskbarManager() {
+	g_main_loop_unref(_loop);
+	_loop = NULL;
 }
 
 void UnityTaskbarManager::setOverlayIcon(const Common::String &name, const Common::String &description) {
 	if (_launcher == NULL)
-        return;
+		return;
 
 	warning("[UnityTaskbarManager::setOverlayIcon] Not implemented");
 }
 
 void UnityTaskbarManager::setProgressValue(int completed, int total) {
-    if (_launcher == NULL)
-            return;
+	if (_launcher == NULL)
+		return;
 
-    double percentage = (double)completed / (double)total;
-    unity_launcher_entry_set_progress(_launcher, percentage);
+	double percentage = (double)completed / (double)total;
+	unity_launcher_entry_set_progress(_launcher, percentage);
 	unity_launcher_entry_set_progress_visible(_launcher, TRUE);
 }
 
@@ -84,4 +88,21 @@ void UnityTaskbarManager::addRecent(const Common::String &name, const Common::St
 	warning("[UnityTaskbarManager::addRecent] Not implemented");
 }
 
+// Unity requires the glib event loop to the run to function properly
+// as events are sent asynchronously
+bool UnityTaskbarManager::pollEvent(Common::Event &event) {
+	if (!_loop)
+		return false;
+
+	// Get context
+	GMainContext *context = g_main_loop_get_context(_loop);
+	if (!context)
+		return false;
+
+	// Dispatch events
+	g_main_context_iteration(context, FALSE);
+
+	return false;
+}
+
 #endif
diff --git a/backends/taskbar/unity/unity-taskbar.h b/backends/taskbar/unity/unity-taskbar.h
index 0d0484c02e..d8a68a4101 100644
--- a/backends/taskbar/unity/unity-taskbar.h
+++ b/backends/taskbar/unity/unity-taskbar.h
@@ -28,12 +28,13 @@
 
 #if defined(UNIX) && defined(USE_TASKBAR)
 
+#include "common/events.h"
 #include "common/str.h"
 #include "common/taskbar.h"
 
 #include <unity.h>
 
-class UnityTaskbarManager : public Common::TaskbarManager {
+class UnityTaskbarManager : public Common::TaskbarManager, public Common::EventSource {
 public:
 	UnityTaskbarManager();
 	virtual ~UnityTaskbarManager();
@@ -43,7 +44,11 @@ public:
 	virtual void setProgressState(TaskbarProgressState state);
 	virtual void addRecent(const Common::String &name, const Common::String &description);
 
+	// Implementation of the EventSource interface
+        virtual bool pollEvent(Common::Event &event);
+
 private:
+	GMainLoop          *_loop;
 	UnityLauncherEntry *_launcher;
 };