Index: base/android/jni_onload_delegate.h |
diff --git a/base/android/jni_onload_delegate.h b/base/android/jni_onload_delegate.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ef1b13729fb65f6706dde781f72054824fb5c86e |
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+++ b/base/android/jni_onload_delegate.h |
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+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef BASE_ANDROID_JNI_ONLOAD_DELEGATE_H_ |
+#define BASE_ANDROID_JNI_ONLOAD_DELEGATE_H_ |
+ |
+#include <jni.h> |
+ |
+#include "base/base_export.h" |
+ |
+namespace base { |
+namespace android { |
+ |
+// This delegate class is used to implement component specific JNI registration |
+// and initialization. All methods are called in JNI_OnLoad(). |
+// |
+// Both RegisterJNI() and Init() methods are called if the shared library |
+// is loaded by crazy linker that can't find JNI methods without JNI |
+// registration, otherwise, only Init() is invoked where dynamic lookup is |
+// used to find the JNI methods. |
+// |
+// It is important to make sure the JNI registration code is only in |
+// RegisterJNI(), so it could be stripped out when JNI registration isn't |
+// needed. |
+class BASE_EXPORT JNIOnLoadDelegate { |
+ public: |
+ virtual ~JNIOnLoadDelegate() {} |
+ |
+ // Returns whether the JNI registration succeeded. |
+ virtual bool RegisterJNI(JNIEnv* env) = 0; |
+ |
+ // Returns whether the initialization succeeded. This method is called after |
+ // RegisterJNI(), all JNI methods shall ready to be used. |
+ virtual bool Init() = 0; |
+}; |
+ |
+} // namespace android |
+} // namespace base |
+ |
+#endif // BASE_ANDROID_JNI_ONLOAD_DELEGATE_H_ |