From ec2ffd8a143fe8c6b98e9d74063c1260484743ab Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Wed, 22 Nov 2017 15:20:08 +0100
Subject: [PATCH] Added a proguard file generation to the Java wrapper (todo:
 test it)

---
 wrappers/java/genwrapper.py     | 16 ++++++++++++++++
 wrappers/java/proguard.mustache | 17 +++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 wrappers/java/proguard.mustache

diff --git a/wrappers/java/genwrapper.py b/wrappers/java/genwrapper.py
index 1299fa367..45399eba2 100644
--- a/wrappers/java/genwrapper.py
+++ b/wrappers/java/genwrapper.py
@@ -760,6 +760,19 @@ class Jni(object):
         for method in methods:
             self.methods.append(method)
 
+class Proguard(object):
+    def __init__(self, package):
+        self.package = package
+        self.classes = []
+
+    def add_class(self, javaClass):
+        obj = {
+            'package': self.package,
+            'className': javaClass.className,
+            'classImplName': javaClass.classImplName,
+        }
+        self.classes.append(obj)
+
 ##########################################################################
 
 class GenWrapper(object):
@@ -790,6 +803,7 @@ class GenWrapper(object):
         self.translator = JavaTranslator(package, exceptions)
         self.renderer = pystache.Renderer()
         self.jni = Jni(package)
+        self.proguard = Proguard(package)
 
         self.enums = {}
         self.interfaces = {}
@@ -823,8 +837,10 @@ class GenWrapper(object):
         for name, value in self.classes.items():
             self.render(value, self.javadir + '/' + value.filename)
             self.jni.add_object(value)
+            self.proguard.add_class(value)
 
         self.render(self.jni, self.srcdir + '/linphone_jni.cc')
+        self.render(self.proguard, self.srcdir + '/proguard.txt')
 
     def render(self, item, path):
         tmppath = path + '.tmp'
diff --git a/wrappers/java/proguard.mustache b/wrappers/java/proguard.mustache
new file mode 100644
index 000000000..6bb199a26
--- /dev/null
+++ b/wrappers/java/proguard.mustache
@@ -0,0 +1,17 @@
+# Don't warn stuff that we are not "proguarding", warnings would make the build fail.
+-dontwarn org.linphone.**
+
+# The following intefaces are referenced from JNI
+{{#classes}}
+-keep interface {{package}}.{{className}} {*;}
+-keep class {{package}}.{{classImplName}} {*;}
+{{/classes}}
+
+# Mediastreamer classes
+-keep class org.linphone.mediastream.Factory {*;}
+-keep class org.linphone.mediastream.MediastreamerAndroidContext {*;}
+-keep class org.linphone.mediastream.video.capture.AndroidVideoApi9JniWrapper {*;}
+-keep class org.linphone.mediastream.video.capture.AndroidVideoApi8JniWrapper {*;}
+-keep class org.linphone.mediastream.video.capture.AndroidVideoApi5JniWrapper {*;}
+-keep class org.linphone.mediastream.video.AndroidVideoWindowImpl {*;}
+-keep class org.linphone.mediastream.Version {*;}