forked from mirrors/gecko-dev
141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <android/log.h>
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#include <dlfcn.h>
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#include <prthread.h>
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#include "mozilla/DebugOnly.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/SyncRunnable.h"
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#include "nsThreadUtils.h"
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#include "AndroidBridge.h"
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extern "C" {
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jclass __jsjni_GetGlobalClassRef(const char *className);
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}
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class GetGlobalClassRefRunnable : public mozilla::Runnable {
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public:
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GetGlobalClassRefRunnable(const char *className, jclass *foundClass) :
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mozilla::Runnable("GetGlobalClassRefRunnable"),
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mClassName(className), mResult(foundClass) {}
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NS_IMETHOD Run() override {
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*mResult = __jsjni_GetGlobalClassRef(mClassName);
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return NS_OK;
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}
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private:
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const char *mClassName;
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jclass *mResult;
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};
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extern "C" {
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__attribute__ ((visibility("default")))
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jclass
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jsjni_FindClass(const char *className) {
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// FindClass outside the main thread will run into problems due
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// to missing the classpath
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MOZ_ASSERT(NS_IsMainThread());
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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return env->FindClass(className);
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}
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jclass
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__jsjni_GetGlobalClassRef(const char *className) {
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// root class globally
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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jclass globalRef = static_cast<jclass>(env->NewGlobalRef(env->FindClass(className)));
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if (!globalRef)
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return nullptr;
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// return the newly create global reference
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return globalRef;
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}
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__attribute__ ((visibility("default")))
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jclass
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jsjni_GetGlobalClassRef(const char *className) {
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if (NS_IsMainThread()) {
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return __jsjni_GetGlobalClassRef(className);
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}
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nsCOMPtr<nsIThread> mainThread;
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mozilla::DebugOnly<nsresult> rv = NS_GetMainThread(getter_AddRefs(mainThread));
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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jclass foundClass;
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nsCOMPtr<nsIRunnable> runnable_ref(new GetGlobalClassRefRunnable(className,
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&foundClass));
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RefPtr<mozilla::SyncRunnable> sr = new mozilla::SyncRunnable(runnable_ref);
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sr->DispatchToThread(mainThread);
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if (!foundClass)
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return nullptr;
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return foundClass;
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}
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__attribute__ ((visibility("default")))
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jmethodID
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jsjni_GetStaticMethodID(jclass methodClass,
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const char *methodName,
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const char *signature) {
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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return env->GetStaticMethodID(methodClass, methodName, signature);
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}
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__attribute__ ((visibility("default")))
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bool
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jsjni_ExceptionCheck() {
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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return env->ExceptionCheck();
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}
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__attribute__ ((visibility("default")))
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void
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jsjni_CallStaticVoidMethodA(jclass cls,
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jmethodID method,
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jvalue *values) {
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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mozilla::AutoLocalJNIFrame jniFrame(env);
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env->CallStaticVoidMethodA(cls, method, values);
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}
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__attribute__ ((visibility("default")))
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int
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jsjni_CallStaticIntMethodA(jclass cls,
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jmethodID method,
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jvalue *values) {
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JNIEnv *env = mozilla::jni::GetGeckoThreadEnv();
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mozilla::AutoLocalJNIFrame jniFrame(env);
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return env->CallStaticIntMethodA(cls, method, values);
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}
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__attribute__ ((visibility("default")))
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jobject jsjni_GetGlobalContextRef() {
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return mozilla::AndroidBridge::Bridge()->GetGlobalContextRef();
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}
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__attribute__ ((visibility("default")))
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JavaVM* jsjni_GetVM() {
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JavaVM* jvm;
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JNIEnv* const env = mozilla::jni::GetGeckoThreadEnv();
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MOZ_ALWAYS_TRUE(!env->GetJavaVM(&jvm));
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return jvm;
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}
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__attribute__ ((visibility("default")))
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JNIEnv* jsjni_GetJNIForThread() {
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return mozilla::jni::GetEnvForThread();
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}
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// For compatibility with JNI.jsm; some addons bundle their own JNI.jsm,
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// so we cannot just change the function name used in JNI.jsm.
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__attribute__ ((visibility("default")))
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JNIEnv* GetJNIForThread() {
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return mozilla::jni::GetEnvForThread();
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}
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}
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