1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mozglue/android/nsGeckoUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,126 @@
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 <jni.h>
1.10 +
1.11 +#include <stdlib.h>
1.12 +#include <fcntl.h>
1.13 +#include "APKOpen.h"
1.14 +#include "Zip.h"
1.15 +#include "mozilla/RefPtr.h"
1.16 +
1.17 +extern "C"
1.18 +__attribute__ ((visibility("default")))
1.19 +void JNICALL
1.20 +Java_org_mozilla_gecko_mozglue_GeckoLoader_putenv(JNIEnv *jenv, jclass, jstring map)
1.21 +{
1.22 + const char* str;
1.23 + // XXX: java doesn't give us true UTF8, we should figure out something
1.24 + // better to do here
1.25 + str = jenv->GetStringUTFChars(map, nullptr);
1.26 + if (str == nullptr)
1.27 + return;
1.28 + putenv(strdup(str));
1.29 + jenv->ReleaseStringUTFChars(map, str);
1.30 +}
1.31 +
1.32 +extern "C"
1.33 +__attribute__ ((visibility("default")))
1.34 +jobject JNICALL
1.35 +Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeAllocateDirectBuffer(JNIEnv *jenv, jclass, jlong size)
1.36 +{
1.37 + jobject buffer = nullptr;
1.38 + void* mem = malloc(size);
1.39 + if (mem) {
1.40 + buffer = jenv->NewDirectByteBuffer(mem, size);
1.41 + if (!buffer)
1.42 + free(mem);
1.43 + }
1.44 + return buffer;
1.45 +}
1.46 +
1.47 +extern "C"
1.48 +__attribute__ ((visibility("default")))
1.49 +void JNICALL
1.50 +Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeFreeDirectBuffer(JNIEnv *jenv, jclass, jobject buf)
1.51 +{
1.52 + free(jenv->GetDirectBufferAddress(buf));
1.53 +}
1.54 +
1.55 +extern "C"
1.56 +__attribute__ ((visibility("default")))
1.57 +jlong JNICALL
1.58 +Java_org_mozilla_gecko_mozglue_NativeZip_getZip(JNIEnv *jenv, jclass, jstring path)
1.59 +{
1.60 + const char* str;
1.61 + str = jenv->GetStringUTFChars(path, nullptr);
1.62 + if (!str || !*str) {
1.63 + if (str)
1.64 + jenv->ReleaseStringUTFChars(path, str);
1.65 + JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid path");
1.66 + return 0;
1.67 + }
1.68 + mozilla::RefPtr<Zip> zip = ZipCollection::GetZip(str);
1.69 + jenv->ReleaseStringUTFChars(path, str);
1.70 + if (!zip) {
1.71 + JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid path or invalid zip");
1.72 + return 0;
1.73 + }
1.74 + zip->AddRef();
1.75 + return (jlong) zip.get();
1.76 +}
1.77 +
1.78 +extern "C"
1.79 +__attribute__ ((visibility("default")))
1.80 +jlong JNICALL
1.81 +Java_org_mozilla_gecko_mozglue_NativeZip_getZipFromByteBuffer(JNIEnv *jenv, jclass, jobject buffer)
1.82 +{
1.83 + void *buf = jenv->GetDirectBufferAddress(buffer);
1.84 + size_t size = jenv->GetDirectBufferCapacity(buffer);
1.85 + mozilla::RefPtr<Zip> zip = Zip::Create(buf, size);
1.86 + if (!zip) {
1.87 + JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid zip");
1.88 + return 0;
1.89 + }
1.90 + zip->AddRef();
1.91 + return (jlong) zip.get();
1.92 +}
1.93 +
1.94 + extern "C"
1.95 +__attribute__ ((visibility("default")))
1.96 +void JNICALL
1.97 +Java_org_mozilla_gecko_mozglue_NativeZip__1release(JNIEnv *jenv, jclass, jlong obj)
1.98 +{
1.99 + Zip *zip = (Zip *)obj;
1.100 + zip->Release();
1.101 +}
1.102 +
1.103 +extern "C"
1.104 +__attribute__ ((visibility("default")))
1.105 +jobject JNICALL
1.106 +Java_org_mozilla_gecko_mozglue_NativeZip__1getInputStream(JNIEnv *jenv, jobject jzip, jlong obj, jstring path)
1.107 +{
1.108 + Zip *zip = (Zip *)obj;
1.109 + const char* str;
1.110 + str = jenv->GetStringUTFChars(path, nullptr);
1.111 +
1.112 + Zip::Stream stream;
1.113 + bool res = zip->GetStream(str, &stream);
1.114 + jenv->ReleaseStringUTFChars(path, str);
1.115 + if (!res) {
1.116 + return nullptr;
1.117 + }
1.118 + jobject buf = jenv->NewDirectByteBuffer(const_cast<void *>(stream.GetBuffer()), stream.GetSize());
1.119 + if (!buf) {
1.120 + JNI_Throw(jenv, "java/lang/RuntimeException", "Failed to create ByteBuffer");
1.121 + return nullptr;
1.122 + }
1.123 + jclass nativeZip = jenv->GetObjectClass(jzip);
1.124 + jmethodID method = jenv->GetMethodID(nativeZip, "createInputStream", "(Ljava/nio/ByteBuffer;I)Ljava/io/InputStream;");
1.125 + // Since this function is only expected to be called from Java, it is safe
1.126 + // to skip exception checking for the method call below, as long as no
1.127 + // other Native -> Java call doesn't happen before returning to Java.
1.128 + return jenv->CallObjectMethod(jzip, method, buf, (jint) stream.GetType());
1.129 +}
