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1 /* | 1 /* |
2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 // TODO(magjed): Update external dependencies and remove this. |
11 // Android's FindClass() is trickier than usual because the app-specific | 11 #include "webrtc/sdk/android/src/jni/classreferenceholder.h" |
12 // ClassLoader is not consulted when there is no app-specific frame on the | |
13 // stack. Consequently, we only look up all classes once in app/webrtc. | |
14 // http://developer.android.com/training/articles/perf-jni.html#faq_FindClass | |
15 | |
16 #ifndef WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_ | |
17 #define WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_ | |
18 | |
19 #include <jni.h> | |
20 #include <map> | |
21 #include <string> | |
22 | |
23 namespace webrtc_jni { | |
24 | |
25 // LoadGlobalClassReferenceHolder must be called in JNI_OnLoad. | |
26 void LoadGlobalClassReferenceHolder(); | |
27 // FreeGlobalClassReferenceHolder must be called in JNI_UnLoad. | |
28 void FreeGlobalClassReferenceHolder(); | |
29 | |
30 // Returns a global reference guaranteed to be valid for the lifetime of the | |
31 // process. | |
32 jclass FindClass(JNIEnv* jni, const char* name); | |
33 | |
34 // Convenience macro defining JNI-accessible methods in the org.webrtc package. | |
35 // Eliminates unnecessary boilerplate and line-wraps, reducing visual clutter. | |
36 #define JOW(rettype, name) extern "C" rettype JNIEXPORT JNICALL \ | |
37 Java_org_webrtc_##name | |
38 | |
39 } // namespace webrtc_jni | |
40 | |
41 #endif // WEBRTC_API_JAVA_JNI_CLASSREFERENCEHOLDER_H_ | |
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