Initial commit

backends/taskbar/unity/unity-taskbar.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
+#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
+#include "common/scummsys.h"
+
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
+
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+
+#include "backends/taskbar/unity/unity-taskbar.h"
+
+#include "common/textconsole.h"
+
+#include <unity.h>
+
+UnityTaskbarManager::UnityTaskbarManager() {
+	/*
+	 *  Deprecated in Glib >= 2.36.0
+	 */
+	if (!glib_check_version(2, 36, 0)) {
+		g_type_init();
+	}
+
+	_loop = g_main_loop_new(NULL, FALSE);
+
+	_launcher = unity_launcher_entry_get_for_desktop_id("org.scummvm.scummvm.desktop");
+}
+
+UnityTaskbarManager::~UnityTaskbarManager() {
+	g_main_loop_unref(_loop);
+	_loop = NULL;
+}
+
+void UnityTaskbarManager::setProgressValue(int completed, int total) {
+	if (_launcher == NULL)
+		return;
+
+	double percentage = (double)completed / (double)total;
+	unity_launcher_entry_set_progress(_launcher, percentage);
+	unity_launcher_entry_set_progress_visible(_launcher, TRUE);
+}
+
+void UnityTaskbarManager::setProgressState(TaskbarProgressState state) {
+	if (_launcher == NULL)
+		return;
+
+	switch (state) {
+	default:
+		warning("[UnityTaskbarManager::setProgressState] Unknown state / Not implemented (%d)", state);
+		// fall through
+
+	case kTaskbarNoProgress:
+		unity_launcher_entry_set_progress_visible(_launcher, FALSE);
+		break;
+
+	// Unity only support two progress states as of 3.0: visible or not visible
+	// We show progress in all of those states
+	case kTaskbarIndeterminate:
+	case kTaskbarNormal:
+	case kTaskbarError:
+	case kTaskbarPaused:
+		unity_launcher_entry_set_progress_visible(_launcher, TRUE);
+		break;
+	}
+}
+
+void UnityTaskbarManager::addRecent(const Common::String &name, const Common::String &description) {
+	//warning("[UnityTaskbarManager::addRecent] Not implemented");
+}
+
+void UnityTaskbarManager::setCount(int count) {
+	if (_launcher == NULL)
+		return;
+
+	unity_launcher_entry_set_count(_launcher, count);
+
+	unity_launcher_entry_set_count_visible(_launcher, (count == 0) ? FALSE : TRUE);
+}
+
+// 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

backends/taskbar/unity/unity-taskbar.h

@@ -0,0 +1,54 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKEND_UNITY_TASKBAR_H
+#define BACKEND_UNITY_TASKBAR_H
+
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
+
+#include "common/events.h"
+#include "common/str.h"
+#include "common/taskbar.h"
+
+typedef struct _GMainLoop GMainLoop;
+typedef struct _UnityLauncherEntry UnityLauncherEntry;
+
+class UnityTaskbarManager : public Common::TaskbarManager, public Common::EventSource {
+public:
+	UnityTaskbarManager();
+	virtual ~UnityTaskbarManager();
+
+	virtual void setProgressValue(int completed, int total);
+	virtual void setProgressState(TaskbarProgressState state);
+	virtual void addRecent(const Common::String &name, const Common::String &description);
+	virtual void setCount(int count);
+
+	// Implementation of the EventSource interface
+		virtual bool pollEvent(Common::Event &event);
+
+private:
+	GMainLoop          *_loop;
+	UnityLauncherEntry *_launcher;
+};
+
+#endif
+
+#endif // BACKEND_UNITY_TASKBAR_H