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bb547203bf
In order to eliminate the WebRTC Subtree mirror in Chromium, WebRTC is moving the content of the src/webrtc directory up to the src/ directory. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38 Reviewed-on: https://webrtc-review.googlesource.com/1560 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19845}
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_UTILITY_INCLUDE_HELPERS_ANDROID_H_
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#define WEBRTC_MODULES_UTILITY_INCLUDE_HELPERS_ANDROID_H_
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#include <jni.h>
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#include <string>
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// Abort the process if |jni| has a Java exception pending.
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// TODO(henrika): merge with CHECK_JNI_EXCEPTION() in jni_helpers.h.
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#define CHECK_EXCEPTION(jni) \
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RTC_CHECK(!jni->ExceptionCheck()) \
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<< (jni->ExceptionDescribe(), jni->ExceptionClear(), "")
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namespace webrtc {
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// Return a |JNIEnv*| usable on this thread or NULL if this thread is detached.
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JNIEnv* GetEnv(JavaVM* jvm);
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// Return a |jlong| that will correctly convert back to |ptr|. This is needed
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// because the alternative (of silently passing a 32-bit pointer to a vararg
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// function expecting a 64-bit param) picks up garbage in the high 32 bits.
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jlong PointerTojlong(void* ptr);
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// JNIEnv-helper methods that wraps the API which uses the JNI interface
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// pointer (JNIEnv*). It allows us to RTC_CHECK success and that no Java
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// exception is thrown while calling the method.
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jmethodID GetMethodID(
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JNIEnv* jni, jclass c, const char* name, const char* signature);
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jmethodID GetStaticMethodID(
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JNIEnv* jni, jclass c, const char* name, const char* signature);
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jclass FindClass(JNIEnv* jni, const char* name);
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jobject NewGlobalRef(JNIEnv* jni, jobject o);
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void DeleteGlobalRef(JNIEnv* jni, jobject o);
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// Return thread ID as a string.
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std::string GetThreadId();
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// Return thread ID as string suitable for debug logging.
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std::string GetThreadInfo();
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// Attach thread to JVM if necessary and detach at scope end if originally
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// attached.
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class AttachThreadScoped {
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public:
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explicit AttachThreadScoped(JavaVM* jvm);
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~AttachThreadScoped();
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JNIEnv* env();
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private:
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bool attached_;
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JavaVM* jvm_;
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JNIEnv* env_;
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};
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// Scoped holder for global Java refs.
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template<class T> // T is jclass, jobject, jintArray, etc.
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class ScopedGlobalRef {
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public:
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ScopedGlobalRef(JNIEnv* jni, T obj)
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: jni_(jni), obj_(static_cast<T>(NewGlobalRef(jni, obj))) {}
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~ScopedGlobalRef() {
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DeleteGlobalRef(jni_, obj_);
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}
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T operator*() const {
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return obj_;
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}
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private:
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JNIEnv* jni_;
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T obj_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_UTILITY_INCLUDE_HELPERS_ANDROID_H_
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