mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
9305d633e9
Currently when either of these methods fail, we log something and rely on the calling code to null check. Since these failures are serious and likely unrecoverable, it's better to define these methods as infallible and just crash if they do fail.
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include <android/log.h>
|
|
#include <dlfcn.h>
|
|
#include <prthread.h>
|
|
|
|
#include "mozilla/DebugOnly.h"
|
|
#include "mozilla/Assertions.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "AndroidBridge.h"
|
|
|
|
extern "C" {
|
|
jclass __jsjni_GetGlobalClassRef(const char *className);
|
|
}
|
|
|
|
class GetGlobalClassRefRunnable : public nsRunnable {
|
|
public:
|
|
GetGlobalClassRefRunnable(const char *className, jclass *foundClass) :
|
|
mClassName(className), mResult(foundClass) {}
|
|
NS_IMETHOD Run() {
|
|
*mResult = __jsjni_GetGlobalClassRef(mClassName);
|
|
return NS_OK;
|
|
}
|
|
private:
|
|
const char *mClassName;
|
|
jclass *mResult;
|
|
};
|
|
|
|
extern "C" {
|
|
__attribute__ ((visibility("default")))
|
|
jclass
|
|
jsjni_FindClass(const char *className) {
|
|
// FindClass outside the main thread will run into problems due
|
|
// to missing the classpath
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
return env->FindClass(className);
|
|
}
|
|
|
|
jclass
|
|
__jsjni_GetGlobalClassRef(const char *className) {
|
|
// root class globally
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
jclass globalRef = static_cast<jclass>(env->NewGlobalRef(env->FindClass(className)));
|
|
if (!globalRef)
|
|
return nullptr;
|
|
|
|
// return the newly create global reference
|
|
return globalRef;
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
jclass
|
|
jsjni_GetGlobalClassRef(const char *className) {
|
|
nsCOMPtr<nsIThread> mainThread;
|
|
mozilla::DebugOnly<nsresult> rv = NS_GetMainThread(getter_AddRefs(mainThread));
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
jclass foundClass;
|
|
nsRefPtr<nsIRunnable> runnable_ref(new GetGlobalClassRefRunnable(className,
|
|
&foundClass));
|
|
mainThread->Dispatch(runnable_ref, NS_DISPATCH_SYNC);
|
|
if (!foundClass)
|
|
return nullptr;
|
|
|
|
return foundClass;
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
jmethodID
|
|
jsjni_GetStaticMethodID(jclass methodClass,
|
|
const char *methodName,
|
|
const char *signature) {
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
return env->GetStaticMethodID(methodClass, methodName, signature);
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
bool
|
|
jsjni_ExceptionCheck() {
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
return env->ExceptionCheck();
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
void
|
|
jsjni_CallStaticVoidMethodA(jclass cls,
|
|
jmethodID method,
|
|
jvalue *values) {
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
|
|
mozilla::AutoLocalJNIFrame jniFrame(env);
|
|
env->CallStaticVoidMethodA(cls, method, values);
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
int
|
|
jsjni_CallStaticIntMethodA(jclass cls,
|
|
jmethodID method,
|
|
jvalue *values) {
|
|
JNIEnv *env = mozilla::AndroidBridge::GetJNIEnv();
|
|
|
|
mozilla::AutoLocalJNIFrame jniFrame(env);
|
|
return env->CallStaticIntMethodA(cls, method, values);
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
jobject jsjni_GetGlobalContextRef() {
|
|
return mozilla::AndroidBridge::Bridge()->GetGlobalContextRef();
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
JavaVM* jsjni_GetVM() {
|
|
return mozilla::AndroidBridge::GetVM();
|
|
}
|
|
|
|
__attribute__ ((visibility("default")))
|
|
JNIEnv* jsjni_GetJNIForThread() {
|
|
return GetJNIForThread();
|
|
}
|
|
}
|