60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
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/*
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* libjingle
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* Copyright 2015 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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// Android's FindClass() is trickier than usual because the app-specific
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// ClassLoader is not consulted when there is no app-specific frame on the
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// stack. Consequently, we only look up all classes once in app/webrtc.
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// http://developer.android.com/training/articles/perf-jni.html#faq_FindClass
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#ifndef TALK_APP_WEBRTC_JAVA_JNI_CLASSREFERENCEHOLDER_H_
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#define TALK_APP_WEBRTC_JAVA_JNI_CLASSREFERENCEHOLDER_H_
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#include <jni.h>
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#include <string>
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#include <map>
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namespace webrtc_jni {
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// LoadGlobalClassReferenceHolder must be called in JNI_OnLoad.
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void LoadGlobalClassReferenceHolder();
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// FreeGlobalClassReferenceHolder must be called in JNI_UnLoad.
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void FreeGlobalClassReferenceHolder();
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// Returns a global reference guaranteed to be valid for the lifetime of the
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// process.
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jclass FindClass(JNIEnv* jni, const char* name);
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// Convenience macro defining JNI-accessible methods in the org.webrtc package.
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// Eliminates unnecessary boilerplate and line-wraps, reducing visual clutter.
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#define JOW(rettype, name) extern "C" rettype JNIEXPORT JNICALL \
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Java_org_webrtc_##name
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} // namespace webrtc_jni
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#endif // TALK_APP_WEBRTC_JAVA_JNI_CLASSREFERENCEHOLDER_H_
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