The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/android/AndroidJNIWrapper.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,124 @@
     1.4 +/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include <android/log.h>
    1.10 +#include <dlfcn.h>
    1.11 +#include <prthread.h>
    1.12 +
    1.13 +#include "mozilla/DebugOnly.h"
    1.14 +#include "mozilla/Assertions.h"
    1.15 +#include "nsThreadUtils.h"
    1.16 +#include "AndroidBridge.h"
    1.17 +
    1.18 +extern "C" {
    1.19 +  jclass __jsjni_GetGlobalClassRef(const char *className);
    1.20 +}
    1.21 +
    1.22 +class GetGlobalClassRefRunnable : public nsRunnable {
    1.23 +  public:
    1.24 +    GetGlobalClassRefRunnable(const char *className, jclass *foundClass) :
    1.25 +        mClassName(className), mResult(foundClass) {}
    1.26 +    NS_IMETHOD Run() {
    1.27 +        *mResult = __jsjni_GetGlobalClassRef(mClassName);
    1.28 +        return NS_OK;
    1.29 +    }
    1.30 +  private:
    1.31 +    const char *mClassName;
    1.32 +    jclass *mResult;
    1.33 +};
    1.34 +
    1.35 +extern "C" {
    1.36 +  __attribute__ ((visibility("default")))
    1.37 +  jclass
    1.38 +  jsjni_FindClass(const char *className) {
    1.39 +    // FindClass outside the main thread will run into problems due
    1.40 +    // to missing the classpath
    1.41 +    MOZ_ASSERT(NS_IsMainThread());
    1.42 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
    1.43 +    return env->FindClass(className);
    1.44 +  }
    1.45 +
    1.46 +  jclass
    1.47 +  __jsjni_GetGlobalClassRef(const char *className) {
    1.48 +    // root class globally
    1.49 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
    1.50 +    jclass globalRef = static_cast<jclass>(env->NewGlobalRef(env->FindClass(className)));
    1.51 +    if (!globalRef)
    1.52 +      return nullptr;
    1.53 +
    1.54 +    // return the newly create global reference
    1.55 +    return globalRef;
    1.56 +  }
    1.57 +
    1.58 +  __attribute__ ((visibility("default")))
    1.59 +  jclass
    1.60 +  jsjni_GetGlobalClassRef(const char *className) {
    1.61 +    nsCOMPtr<nsIThread> mainThread;
    1.62 +    mozilla::DebugOnly<nsresult> rv = NS_GetMainThread(getter_AddRefs(mainThread));
    1.63 +    MOZ_ASSERT(NS_SUCCEEDED(rv));
    1.64 +
    1.65 +    jclass foundClass;
    1.66 +    nsRefPtr<nsIRunnable> runnable_ref(new GetGlobalClassRefRunnable(className,
    1.67 +                                                                     &foundClass));
    1.68 +    mainThread->Dispatch(runnable_ref, NS_DISPATCH_SYNC);
    1.69 +    if (!foundClass)
    1.70 +      return nullptr;
    1.71 +
    1.72 +    return foundClass;
    1.73 +  }
    1.74 +
    1.75 +  __attribute__ ((visibility("default")))
    1.76 +  jmethodID
    1.77 +  jsjni_GetStaticMethodID(jclass methodClass,
    1.78 +                          const char *methodName,
    1.79 +                          const char *signature) {
    1.80 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
    1.81 +    return env->GetStaticMethodID(methodClass, methodName, signature);
    1.82 +  }
    1.83 +
    1.84 +  __attribute__ ((visibility("default")))
    1.85 +  bool
    1.86 +  jsjni_ExceptionCheck() {
    1.87 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
    1.88 +    return env->ExceptionCheck();
    1.89 +  }
    1.90 +
    1.91 +  __attribute__ ((visibility("default")))
    1.92 +  void
    1.93 +  jsjni_CallStaticVoidMethodA(jclass cls,
    1.94 +                              jmethodID method,
    1.95 +                              jvalue *values) {
    1.96 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
    1.97 +
    1.98 +    mozilla::AutoLocalJNIFrame jniFrame(env);
    1.99 +    env->CallStaticVoidMethodA(cls, method, values);
   1.100 +  }
   1.101 +
   1.102 +  __attribute__ ((visibility("default")))
   1.103 +  int
   1.104 +  jsjni_CallStaticIntMethodA(jclass cls,
   1.105 +                             jmethodID method,
   1.106 +                             jvalue *values) {
   1.107 +    JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
   1.108 +
   1.109 +    mozilla::AutoLocalJNIFrame jniFrame(env);
   1.110 +    return env->CallStaticIntMethodA(cls, method, values);
   1.111 +  }
   1.112 +
   1.113 +  __attribute__ ((visibility("default")))
   1.114 +  jobject jsjni_GetGlobalContextRef() {
   1.115 +    return mozilla::AndroidBridge::Bridge()->GetGlobalContextRef();
   1.116 +  }
   1.117 +
   1.118 +  __attribute__ ((visibility("default")))
   1.119 +  JavaVM* jsjni_GetVM() {
   1.120 +    return mozilla::AndroidBridge::GetVM();
   1.121 +  }
   1.122 +
   1.123 +  __attribute__ ((visibility("default")))
   1.124 +  JNIEnv* jsjni_GetJNIForThread() {
   1.125 +    return GetJNIForThread();
   1.126 +  }
   1.127 +}