From 9202a719e143ce324d611990d2fb40939cf7e8c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Sun, 15 Sep 2013 17:24:15 +0200
Subject: [PATCH] HaikuDepot: Add interface for PackageInfoListener.

 Also defines PackageInfoEvent.
---
 src/apps/haiku-depot/Jamfile                 |  1 +
 src/apps/haiku-depot/PackageInfoListener.cpp | 84 ++++++++++++++++++++
 src/apps/haiku-depot/PackageInfoListener.h   | 54 +++++++++++++
 3 files changed, 139 insertions(+)
 create mode 100644 src/apps/haiku-depot/PackageInfoListener.cpp
 create mode 100644 src/apps/haiku-depot/PackageInfoListener.h

diff --git a/src/apps/haiku-depot/Jamfile b/src/apps/haiku-depot/Jamfile
index 7788c34840..65196d0261 100644
--- a/src/apps/haiku-depot/Jamfile
+++ b/src/apps/haiku-depot/Jamfile
@@ -38,6 +38,7 @@ Application HaikuDepot :
 	MainWindow.cpp
 	Model.cpp
 	PackageInfo.cpp
+	PackageInfoListener.cpp
 	PackageInfoView.cpp
 	PackageListView.cpp
 	PackageManager.cpp
diff --git a/src/apps/haiku-depot/PackageInfoListener.cpp b/src/apps/haiku-depot/PackageInfoListener.cpp
new file mode 100644
index 0000000000..36a1277476
--- /dev/null
+++ b/src/apps/haiku-depot/PackageInfoListener.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2013, Stephan Aßmus <superstippi@gmx.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "PackageInfoListener.h"
+
+#include <stdio.h>
+
+
+// #pragma mark - PackageInfoEvent
+
+
+PackageInfoEvent::PackageInfoEvent()
+	:
+	fPackage(),
+	fChanges(0)
+{
+}
+
+
+PackageInfoEvent::PackageInfoEvent(const PackageInfoRef& package,
+		uint32 changes)
+	:
+	fPackage(package),
+	fChanges(changes)
+{
+}
+
+
+PackageInfoEvent::PackageInfoEvent(const PackageInfoEvent& other)
+	:
+	fPackage(other.fPackage),
+	fChanges(other.fChanges)
+{
+}
+
+
+PackageInfoEvent::~PackageInfoEvent()
+{
+}
+
+
+bool
+PackageInfoEvent::operator==(const PackageInfoEvent& other)
+{
+	if (this == &other)
+		return true;
+
+	return fPackage == other.fPackage
+		&& fChanges == other.fChanges;
+}
+
+
+bool
+PackageInfoEvent::operator!=(const PackageInfoEvent& other)
+{
+	return !(*this == other);
+}
+
+
+PackageInfoEvent&
+PackageInfoEvent::operator=(const PackageInfoEvent& other)
+{
+	if (this != &other) {
+		fPackage = other.fPackage;
+		fChanges = other.fChanges;
+	}
+
+	return *this;
+}
+
+
+// #pragma mark - PackageInfoListener
+
+
+PackageInfoListener::PackageInfoListener()
+{
+}
+
+
+PackageInfoListener::~PackageInfoListener()
+{
+}
diff --git a/src/apps/haiku-depot/PackageInfoListener.h b/src/apps/haiku-depot/PackageInfoListener.h
new file mode 100644
index 0000000000..1dcde5c6b7
--- /dev/null
+++ b/src/apps/haiku-depot/PackageInfoListener.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2013, Stephan Aßmus <superstippi@gmx.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef PACKAGE_INFO_LISTENER_H
+#define PACKAGE_INFO_LISTENER_H
+
+
+#include "PackageInfo.h"
+
+
+enum {
+	PKG_CHANGED_DESCRIPTION		= 1 << 0,
+	PKG_CHANGED_RATINGS			= 1 << 1,
+	PKG_CHANGED_SCREENSHOTS		= 1 << 2,
+	// ...
+};
+
+
+class PackageInfoEvent {
+public:
+								PackageInfoEvent();
+								PackageInfoEvent(const PackageInfoRef& package,
+									uint32 changes);
+								PackageInfoEvent(const PackageInfoEvent& other);
+	virtual						~PackageInfoEvent();
+
+			bool				operator==(const PackageInfoEvent& other);
+			bool				operator!=(const PackageInfoEvent& other);
+			PackageInfoEvent&	operator=(const PackageInfoEvent& other);
+
+	inline	const PackageInfoRef& Package() const
+									{ return fPackage; }
+
+	inline	uint32				Changes() const
+									{ return fChanges; }
+
+private:
+			PackageInfoRef		fPackage;
+			uint32				fChanges;
+};
+
+
+class PackageInfoListener {
+public:
+								PackageInfoListener();
+	virtual						~PackageInfoListener();
+
+	virtual	void				PackageChanged(
+									const PackageInfoEvent& event) = 0;
+};
+
+
+#endif // PACKAGE_INFO_LISTENER_H