New JNI bindings

jni/JniCallbacks.h

+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2014 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef JNICALLBACKS_H
+#define JNICALLBACKS_H
+
+#include <AdblockPlus.h>
+#include "Utils.h"
+#include "JniJsValue.h"
+
+class JniCallbackBase
+{
+public:
+  JniCallbackBase(JNIEnv* env, jobject callbackObject);
+  virtual ~JniCallbackBase();
+  void LogException(JNIEnv* env, jthrowable throwable) const;
+  void CheckAndLogJavaException(JNIEnv* env) const;
+
+  JavaVM* GetJavaVM() const
+  {
+    return javaVM;
+  }
+
+  jobject GetCallbackObject() const
+  {
+    return callbackObject->get();
+  }
+
+private:
+  JavaVM* javaVM;
+  JniGlobalReference<jobject>::Ptr callbackObject;
+  JniGlobalReference<jclass>::Ptr exceptionLoggerClass;
+};
+
+class JniEventCallback : public JniCallbackBase
+{
+public:
+  JniEventCallback(JNIEnv* env, jobject callbackObject);
+  virtual ~JniEventCallback();

[Felix Dahlke, 2014/03/28 17:28:41]

A virtual destructor is only required for base classes. AFAIK, nothing derives
from JniEventCallback (or any of the callbacks below), so we can get rid of the
virtual, and the whole destructor if there's no destruction code.

[René Jeschke, 2014/04/11 12:25:53]

Done.

+  void Callback(AdblockPlus::JsValueList& params);
+};
+
+class JniUpdaterCallback : public JniCallbackBase
+{
+public:
+  JniUpdaterCallback(JNIEnv* env, jobject callbackObject);
+  virtual ~JniUpdaterCallback();
+  void Callback(const std::string& arg);
+};
+
+class JniFilterChangeCallback : public JniCallbackBase
+{
+public:
+  JniFilterChangeCallback(JNIEnv* env, jobject callbackObject);
+  virtual ~JniFilterChangeCallback();
+  void Callback(const std::string& arg, const AdblockPlus::JsValuePtr jsValue);
+};
+
+class JniLogSystemCallback : public JniCallbackBase, public AdblockPlus::LogSystem
+{
+public:
+  JniLogSystemCallback(JNIEnv* env, jobject callbackObject);
+  virtual ~JniLogSystemCallback();
+  void operator()(AdblockPlus::LogSystem::LogLevel logLevel, const std::string& message, const std::string& source);
+
+private:
+  JniGlobalReference<jclass>::Ptr logLevelClass;
+};
+
+class JniWebRequest : public JniCallbackBase, public AdblockPlus::WebRequest
+{
+public:
+  JniWebRequest(JNIEnv* env, jobject callbackObject);
+  virtual ~JniWebRequest();
+  AdblockPlus::ServerResponse GET(const std::string& url, const AdblockPlus::HeaderList& requestHeaders) const;
+
+private:
+  jobject NewTuple(JNIEnv* env, const std::string& a, const std::string& b) const;
+
+  JniGlobalReference<jclass>::Ptr tupleClass;
+  JniGlobalReference<jclass>::Ptr serverResponseClass;
+};
+
+#endif /* JNICALLBACKS_H */