mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-24 16:54:08 +00:00
1004 lines
34 KiB
C++
1004 lines
34 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 "NativeJSContainer.h"
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#include "AndroidBridge.h"
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#include "mozilla/Vector.h"
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#include "prthread.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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namespace mozilla {
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namespace widget {
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class NativeJSContainer
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{
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public:
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static void InitJNI(JNIEnv* env) {
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if (jNativeJSContainer) {
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return;
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}
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jNativeJSContainer = AndroidBridge::GetClassGlobalRef(
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env, "org/mozilla/gecko/util/NativeJSContainer");
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MOZ_ASSERT(jNativeJSContainer);
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jContainerNativeObject = AndroidBridge::GetFieldID(
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env, jNativeJSContainer, "mNativeObject", "J");
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MOZ_ASSERT(jContainerNativeObject);
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jContainerConstructor = AndroidBridge::GetMethodID(
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env, jNativeJSContainer, "<init>", "(J)V");
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MOZ_ASSERT(jContainerConstructor);
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jNativeJSObject = AndroidBridge::GetClassGlobalRef(
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env, "org/mozilla/gecko/util/NativeJSObject");
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MOZ_ASSERT(jNativeJSObject);
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jObjectContainer = AndroidBridge::GetFieldID(
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env, jNativeJSObject, "mContainer",
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"Lorg/mozilla/gecko/util/NativeJSContainer;");
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MOZ_ASSERT(jObjectContainer);
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jObjectIndex = AndroidBridge::GetFieldID(
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env, jNativeJSObject, "mObjectIndex", "I");
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MOZ_ASSERT(jObjectIndex);
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jObjectConstructor = AndroidBridge::GetMethodID(
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env, jNativeJSObject, "<init>",
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"(Lorg/mozilla/gecko/util/NativeJSContainer;I)V");
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MOZ_ASSERT(jContainerConstructor);
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jBundle = AndroidBridge::GetClassGlobalRef(
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env, "android/os/Bundle");
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MOZ_ASSERT(jBundle);
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jBundleConstructor = AndroidBridge::GetMethodID(
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env, jBundle, "<init>", "(I)V");
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MOZ_ASSERT(jBundleConstructor);
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jBundlePutBoolean = AndroidBridge::GetMethodID(
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env, jBundle, "putBoolean",
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"(Ljava/lang/String;Z)V");
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MOZ_ASSERT(jBundlePutBoolean);
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jBundlePutBundle = AndroidBridge::GetMethodID(
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env, jBundle, "putBundle",
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"(Ljava/lang/String;Landroid/os/Bundle;)V");
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MOZ_ASSERT(jBundlePutBundle);
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jBundlePutDouble = AndroidBridge::GetMethodID(
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env, jBundle, "putDouble",
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"(Ljava/lang/String;D)V");
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MOZ_ASSERT(jBundlePutDouble);
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jBundlePutInt = AndroidBridge::GetMethodID(
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env, jBundle, "putInt",
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"(Ljava/lang/String;I)V");
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MOZ_ASSERT(jBundlePutInt);
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jBundlePutString = AndroidBridge::GetMethodID(
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env, jBundle, "putString",
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"(Ljava/lang/String;Ljava/lang/String;)V");
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MOZ_ASSERT(jBundlePutString);
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jBundlePutBooleanArray = AndroidBridge::GetMethodID(
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env, jBundle, "putBooleanArray",
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"(Ljava/lang/String;[Z)V");
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MOZ_ASSERT(jBundlePutBooleanArray);
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jBundlePutDoubleArray = AndroidBridge::GetMethodID(
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env, jBundle, "putDoubleArray",
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"(Ljava/lang/String;[D)V");
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MOZ_ASSERT(jBundlePutDoubleArray);
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jBundlePutIntArray = AndroidBridge::GetMethodID(
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env, jBundle, "putIntArray",
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"(Ljava/lang/String;[I)V");
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MOZ_ASSERT(jBundlePutIntArray);
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jBundlePutStringArray = AndroidBridge::GetMethodID(
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env, jBundle, "putStringArray",
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"(Ljava/lang/String;[Ljava/lang/String;)V");
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MOZ_ASSERT(jBundlePutStringArray);
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jObject = AndroidBridge::GetClassGlobalRef(
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env, "java/lang/Object");
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MOZ_ASSERT(jObject);
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jString = AndroidBridge::GetClassGlobalRef(
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env, "java/lang/String");
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MOZ_ASSERT(jString);
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}
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static jobject CreateInstance(JNIEnv* env, JSContext* cx,
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JS::HandleObject object) {
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return CreateInstance(env, new NativeJSContainer(cx, object));
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}
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static NativeJSContainer* FromInstance(JNIEnv* env, jobject instance) {
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MOZ_ASSERT(instance);
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const jlong fieldValue =
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env->GetLongField(instance, jContainerNativeObject);
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NativeJSContainer* const nativeObject =
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reinterpret_cast<NativeJSContainer* const>(
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static_cast<uintptr_t>(fieldValue));
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if (!nativeObject) {
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AndroidBridge::ThrowException(env,
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"java/lang/NullPointerException",
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"Uninitialized NativeJSContainer");
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}
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return nativeObject;
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}
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static void DisposeInstance(JNIEnv* env, jobject instance) {
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NativeJSContainer* const container = FromInstance(env, instance);
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if (container) {
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env->SetLongField(instance, jContainerNativeObject,
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static_cast<jlong>(reinterpret_cast<uintptr_t>(nullptr)));
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delete container;
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}
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}
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static jobject CloneInstance(JNIEnv* env, jobject instance) {
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NativeJSContainer* const container = FromInstance(env, instance);
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if (!container || !container->EnsureObject(env)) {
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return nullptr;
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}
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JSContext* const cx = container->mThreadContext;
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JS::RootedObject object(cx, container->mJSObject);
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MOZ_ASSERT(object);
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JSAutoStructuredCloneBuffer buffer;
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if (!buffer.write(cx, JS::RootedValue(cx, JS::ObjectValue(*object)))) {
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AndroidBridge::ThrowException(env,
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"java/lang/UnsupportedOperationException",
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"Cannot serialize object");
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return nullptr;
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}
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return CreateInstance(env, new NativeJSContainer(cx, Move(buffer)));
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}
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static jobject GetInstanceFromObject(JNIEnv* env, jobject object) {
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MOZ_ASSERT(object);
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const jobject instance = env->GetObjectField(object, jObjectContainer);
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MOZ_ASSERT(instance);
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return instance;
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}
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static JSContext* GetContextFromObject(JNIEnv* env, jobject object) {
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MOZ_ASSERT(object);
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AutoLocalJNIFrame frame(env, 1);
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NativeJSContainer* const container =
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FromInstance(env, GetInstanceFromObject(env, object));
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if (!container) {
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return nullptr;
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}
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return container->mThreadContext;
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}
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static JSObject* GetObjectFromObject(JNIEnv* env, jobject object) {
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MOZ_ASSERT(object);
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AutoLocalJNIFrame frame(env, 1);
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NativeJSContainer* const container =
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FromInstance(env, GetInstanceFromObject(env, object));
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if (!container ||
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!container->EnsureObject(env)) { // Do thread check
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return nullptr;
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}
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const jint index = env->GetIntField(object, jObjectIndex);
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if (index < 0) {
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// -1 for index field means it's the root object of the container
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return container->mJSObject;
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}
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return container->mRootedObjects[index];
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}
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static jobject CreateObjectInstance(JNIEnv* env, jobject object,
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JSContext* cx,
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JS::HandleObject jsObject) {
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MOZ_ASSERT(object);
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MOZ_ASSERT(jsObject);
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AutoLocalJNIFrame frame(env, 2);
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jobject instance = GetInstanceFromObject(env, object);
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NativeJSContainer* const container = FromInstance(env, instance);
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if (!container) {
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return nullptr;
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}
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size_t newIndex = container->mRootedObjects.length();
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if (!container->mRootedObjects.append(jsObject)) {
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AndroidBridge::ThrowException(env,
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"java/lang/OutOfMemoryError", "Cannot allocate object");
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return nullptr;
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}
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const jobject newObject =
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env->NewObject(jNativeJSObject, jObjectConstructor,
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instance, newIndex);
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MOZ_ASSERT(newObject);
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return frame.Pop(newObject);
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}
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// Make sure we have a JSObject and deserialize if necessary/possible
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bool EnsureObject(JNIEnv* env) {
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if (mJSObject) {
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if (PR_GetCurrentThread() != mThread) {
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AndroidBridge::ThrowException(env,
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"java/lang/IllegalThreadStateException",
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"Using NativeJSObject off its thread");
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return false;
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}
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return true;
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}
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if (!SwitchContextToCurrentThread()) {
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AndroidBridge::ThrowException(env,
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"java/lang/IllegalThreadStateException",
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"Not available for this thread");
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return false;
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}
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JS::RootedValue value(mThreadContext);
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MOZ_ASSERT(mBuffer.data());
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MOZ_ALWAYS_TRUE(mBuffer.read(mThreadContext, &value));
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if (value.isObject()) {
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mJSObject = &value.toObject();
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}
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if (!mJSObject) {
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AndroidBridge::ThrowException(env,
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"java/lang/IllegalStateException", "Cannot deserialize data");
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return false;
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}
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mBuffer.clear();
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return true;
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}
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static jclass jBundle;
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static jclass jNativeJSContainer;
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static jclass jNativeJSObject;
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static jclass jObject;
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static jclass jString;
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static jmethodID jBundleConstructor;
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static jmethodID jBundlePutBoolean;
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static jmethodID jBundlePutBundle;
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static jmethodID jBundlePutDouble;
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static jmethodID jBundlePutInt;
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static jmethodID jBundlePutString;
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static jmethodID jBundlePutBooleanArray;
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static jmethodID jBundlePutDoubleArray;
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static jmethodID jBundlePutIntArray;
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static jmethodID jBundlePutStringArray;
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private:
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static jfieldID jContainerNativeObject;
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static jmethodID jContainerConstructor;
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static jfieldID jObjectContainer;
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static jfieldID jObjectIndex;
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static jmethodID jObjectConstructor;
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static jobject CreateInstance(JNIEnv* env,
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NativeJSContainer* nativeObject) {
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InitJNI(env);
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const jobject newObject =
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env->NewObject(jNativeJSContainer, jContainerConstructor,
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static_cast<jlong>(
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reinterpret_cast<uintptr_t>(nativeObject)));
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AndroidBridge::HandleUncaughtException(env);
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MOZ_ASSERT(newObject);
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return newObject;
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}
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// Thread that the object is valid on
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PRThread* mThread;
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// Context that the object is valid in
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JSContext* mThreadContext;
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// Deserialized object, or nullptr if object is in serialized form
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JS::Heap<JSObject*> mJSObject;
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// Serialized object, or empty if object is in deserialized form
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JSAutoStructuredCloneBuffer mBuffer;
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// Objects derived from mJSObject
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Vector<JS::Heap<JSObject*>, 4> mRootedObjects;
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// Create a new container containing the given deserialized object
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NativeJSContainer(JSContext* cx, JS::HandleObject object)
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: mThread(PR_GetCurrentThread())
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, mThreadContext(cx)
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, mJSObject(object)
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{
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}
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// Create a new container containing the given serialized object
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NativeJSContainer(JSContext* cx, JSAutoStructuredCloneBuffer&& buffer)
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: mThread(PR_GetCurrentThread())
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, mThreadContext(cx)
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, mBuffer(Forward<JSAutoStructuredCloneBuffer>(buffer))
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{
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}
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bool SwitchContextToCurrentThread() {
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PRThread* const currentThread = PR_GetCurrentThread();
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if (currentThread == mThread) {
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return true;
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}
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return false;
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}
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};
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jclass NativeJSContainer::jNativeJSContainer = 0;
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jfieldID NativeJSContainer::jContainerNativeObject = 0;
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jmethodID NativeJSContainer::jContainerConstructor = 0;
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jclass NativeJSContainer::jNativeJSObject = 0;
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jfieldID NativeJSContainer::jObjectContainer = 0;
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jfieldID NativeJSContainer::jObjectIndex = 0;
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jmethodID NativeJSContainer::jObjectConstructor = 0;
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jclass NativeJSContainer::jBundle = 0;
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jmethodID NativeJSContainer::jBundleConstructor = 0;
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jmethodID NativeJSContainer::jBundlePutBoolean = 0;
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jmethodID NativeJSContainer::jBundlePutBundle = 0;
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jmethodID NativeJSContainer::jBundlePutDouble = 0;
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jmethodID NativeJSContainer::jBundlePutInt = 0;
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jmethodID NativeJSContainer::jBundlePutString = 0;
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jmethodID NativeJSContainer::jBundlePutBooleanArray = 0;
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jmethodID NativeJSContainer::jBundlePutDoubleArray = 0;
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jmethodID NativeJSContainer::jBundlePutIntArray = 0;
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jmethodID NativeJSContainer::jBundlePutStringArray = 0;
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jclass NativeJSContainer::jString = 0;
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jclass NativeJSContainer::jObject = 0;
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jobject
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CreateNativeJSContainer(JNIEnv* env, JSContext* cx, JS::HandleObject object)
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{
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return NativeJSContainer::CreateInstance(env, cx, object);
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}
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} // namespace widget
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} // namespace mozilla
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namespace {
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class JSJNIString
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{
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public:
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JSJNIString(JNIEnv* env, jstring str)
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: mEnv(env)
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, mJNIString(str)
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, mJSString(!str ? nullptr :
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reinterpret_cast<const jschar*>(env->GetStringChars(str, nullptr)))
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{
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}
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~JSJNIString() {
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if (mJNIString) {
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mEnv->ReleaseStringChars(mJNIString,
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reinterpret_cast<const jchar*>(mJSString));
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}
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}
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operator const jschar*() const {
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return mJSString;
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}
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size_t Length() const {
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return static_cast<size_t>(mEnv->GetStringLength(mJNIString));
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}
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private:
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JNIEnv* const mEnv;
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const jstring mJNIString;
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const jschar* const mJSString;
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};
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bool
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CheckJSCall(JNIEnv* env, bool result)
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{
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if (!result) {
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AndroidBridge::ThrowException(env,
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"java/lang/UnsupportedOperationException", "JSAPI call failed");
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}
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return result;
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}
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bool
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CheckJNIArgument(JNIEnv* env, jobject arg)
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{
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if (!arg) {
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AndroidBridge::ThrowException(env,
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"java/lang/IllegalArgumentException", "Null argument");
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return false;
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}
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return true;
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}
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template <bool (*InValue)(JSContext*, JS::HandleValue)> bool
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CheckProperty(JNIEnv* env, JSContext* cx, JS::HandleValue val) {
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if (!(*InValue)(cx, val)) {
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AndroidBridge::ThrowException(env,
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"java/lang/IllegalArgumentException",
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"Property type mismatch");
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return false;
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}
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return true;
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}
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bool
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AppendJSON(const jschar* buf, uint32_t len, void* data)
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{
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static_cast<nsAutoString*>(data)->Append(buf, len);
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return true;
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}
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template <typename U, typename V,
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bool (JS::Value::*IsMethod)() const,
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V (JS::Value::*ToMethod)() const,
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typename UA,
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UA (JNIEnv::*NewArrayMethod)(jsize),
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void (JNIEnv::*SetArrayRegionMethod)(UA, jsize, jsize, const U*)>
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struct PrimitiveProperty
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{
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typedef U Type; // JNI type
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typedef UA ArrayType; // JNI array type
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typedef V NativeType; // JSAPI type
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static bool InValue(JSContext* cx, JS::HandleValue val) {
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return (static_cast<const JS::Value&>(val).*IsMethod)();
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}
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static Type FromValue(JNIEnv* env, jobject instance,
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JSContext* cx, JS::HandleValue val) {
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return static_cast<Type>(
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(static_cast<const JS::Value&>(val).*ToMethod)());
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}
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static ArrayType NewArray(JNIEnv* env, jobject instance, JSContext* cx,
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JS::HandleObject array, size_t length) {
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ScopedDeleteArray<Type> buffer(new Type[length]);
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for (size_t i = 0; i < length; i++) {
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JS::RootedValue elem(cx);
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if (!CheckJSCall(env, JS_GetElement(cx, array, i, &elem)) ||
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!CheckProperty<PrimitiveProperty::InValue>(env, cx, elem)) {
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return nullptr;
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}
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buffer[i] = FromValue(env, instance, cx, elem);
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}
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AutoLocalJNIFrame frame(env, 1);
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ArrayType jarray = (env->*NewArrayMethod)(length);
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if (!jarray) {
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return nullptr;
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}
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(env->*SetArrayRegionMethod)(jarray, 0, length, buffer);
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if (env->ExceptionCheck()) {
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return nullptr;
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}
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return frame.Pop(jarray);
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}
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};
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// Statically cast from bool to jboolean (unsigned char); it works
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// since false and JNI_FALSE have the same value (0), and true and
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// JNI_TRUE have the same value (1).
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typedef PrimitiveProperty<jboolean, bool,
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&JS::Value::isBoolean, &JS::Value::toBoolean,
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jbooleanArray, &JNIEnv::NewBooleanArray,
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&JNIEnv::SetBooleanArrayRegion> BooleanProperty;
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typedef PrimitiveProperty<jdouble, double,
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&JS::Value::isNumber, &JS::Value::toNumber,
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jdoubleArray, &JNIEnv::NewDoubleArray,
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&JNIEnv::SetDoubleArrayRegion> DoubleProperty;
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typedef PrimitiveProperty<jint, int32_t,
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&JS::Value::isInt32, &JS::Value::toInt32,
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jintArray, &JNIEnv::NewIntArray,
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&JNIEnv::SetIntArrayRegion> IntProperty;
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struct StringProperty
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{
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typedef jstring Type;
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static jclass Class() {
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return NativeJSContainer::jString;
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}
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static bool InValue(JSContext* cx, JS::HandleValue val) {
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return val.isString();
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}
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static Type FromValue(JNIEnv* env, jobject instance,
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JSContext* cx, JS::HandleValue val) {
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const JS::RootedString str(cx, val.toString());
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return FromValue(env, instance, cx, str);
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}
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static Type FromValue(JNIEnv* env, jobject instance,
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JSContext* cx, const JS::HandleString str) {
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size_t strLen = 0;
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const jschar* const strChars =
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JS_GetStringCharsAndLength(cx, str, &strLen);
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if (!CheckJSCall(env, !!strChars)) {
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return nullptr;
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}
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jstring ret = env->NewString(
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reinterpret_cast<const jchar*>(strChars), strLen);
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MOZ_ASSERT(ret);
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return ret;
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}
|
|
};
|
|
|
|
template <jclass& C, jobject (*FactoryMethod)
|
|
(JNIEnv*, jobject, JSContext*, JS::HandleObject)>
|
|
struct BaseObjectProperty
|
|
{
|
|
typedef jobject Type;
|
|
|
|
static jclass Class() {
|
|
return C;
|
|
}
|
|
|
|
static bool InValue(JSContext* cx, JS::HandleValue val) {
|
|
return val.isObjectOrNull();
|
|
}
|
|
|
|
static Type FromValue(JNIEnv* env, jobject instance,
|
|
JSContext* cx, JS::HandleValue val) {
|
|
if (val.isNull()) {
|
|
return nullptr;
|
|
}
|
|
JS::RootedObject object(cx, &val.toObject());
|
|
return FactoryMethod(env, instance, cx, object);
|
|
}
|
|
};
|
|
|
|
jobject GetBundle(JNIEnv*, jobject, JSContext*, JS::HandleObject);
|
|
|
|
// Returns a NativeJSObject from a JSObject
|
|
typedef BaseObjectProperty<NativeJSContainer::jNativeJSObject,
|
|
NativeJSContainer::CreateObjectInstance> ObjectProperty;
|
|
|
|
// Returns a Bundle from a JSObject
|
|
typedef BaseObjectProperty<NativeJSContainer::jBundle,
|
|
GetBundle> BundleProperty;
|
|
|
|
template <class BaseProperty>
|
|
struct ObjectArrayWrapper : public BaseProperty
|
|
{
|
|
typedef jobjectArray ArrayType;
|
|
|
|
static ArrayType NewArray(JNIEnv* env, jobject instance, JSContext* cx,
|
|
JS::HandleObject array, size_t length) {
|
|
AutoLocalJNIFrame frame(env, 2);
|
|
ArrayType jarray = env->NewObjectArray(
|
|
length, BaseProperty::Class(), nullptr);
|
|
if (!jarray) {
|
|
return nullptr;
|
|
}
|
|
for (size_t i = 0; i < length; i++) {
|
|
JS::RootedValue elem(cx);
|
|
if (!CheckJSCall(env, JS_GetElement(cx, array, i, &elem)) ||
|
|
!CheckProperty<BaseProperty::InValue>(env, cx, elem)) {
|
|
return nullptr;
|
|
}
|
|
typename BaseProperty::Type jelem =
|
|
BaseProperty::FromValue(env, instance, cx, elem);
|
|
if (env->ExceptionCheck()) {
|
|
return nullptr;
|
|
}
|
|
env->SetObjectArrayElement(jarray, i, jelem);
|
|
env->DeleteLocalRef(jelem);
|
|
if (env->ExceptionCheck()) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
return frame.Pop(jarray);
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
struct ArrayProperty
|
|
{
|
|
typedef T Base;
|
|
typedef typename T::ArrayType Type;
|
|
|
|
static bool InValue(JSContext* cx, JS::HandleValue val) {
|
|
if (!val.isObject()) {
|
|
return false;
|
|
}
|
|
JS::RootedObject obj(cx, &val.toObject());
|
|
uint32_t length = 0;
|
|
if (!JS_IsArrayObject(cx, obj) ||
|
|
!JS_GetArrayLength(cx, obj, &length)) {
|
|
return false;
|
|
}
|
|
if (!length) {
|
|
// Empty arrays are always okay.
|
|
return true;
|
|
}
|
|
// We only check to see the first element is the target type. If the
|
|
// array has mixed types, we'll throw an error during actual conversion.
|
|
JS::RootedValue element(cx);
|
|
return JS_GetElement(cx, obj, 0, &element) &&
|
|
Base::InValue(cx, element);
|
|
}
|
|
|
|
static Type FromValue(JNIEnv* env, jobject instance,
|
|
JSContext* cx, JS::HandleValue val) {
|
|
JS::RootedObject obj(cx, &val.toObject());
|
|
uint32_t length = 0;
|
|
if (!CheckJSCall(env, JS_GetArrayLength(cx, obj, &length))) {
|
|
return nullptr;
|
|
}
|
|
return Base::NewArray(env, instance, cx, obj, length);
|
|
}
|
|
};
|
|
|
|
typedef ArrayProperty<BooleanProperty> BooleanArrayProperty;
|
|
typedef ArrayProperty<DoubleProperty> DoubleArrayProperty;
|
|
typedef ArrayProperty<IntProperty> IntArrayProperty;
|
|
typedef ArrayProperty<ObjectArrayWrapper<StringProperty>> StringArrayProperty;
|
|
typedef ArrayProperty<ObjectArrayWrapper<ObjectProperty>> ObjectArrayProperty;
|
|
typedef ArrayProperty<ObjectArrayWrapper<BundleProperty>> BundleArrayProperty;
|
|
|
|
struct HasProperty
|
|
{
|
|
typedef jboolean Type;
|
|
|
|
static bool InValue(JSContext* cx, JS::HandleValue val) {
|
|
return true;
|
|
}
|
|
|
|
static Type FromValue(JNIEnv* env, jobject instance,
|
|
JSContext* cx, JS::HandleValue val) {
|
|
return JNI_TRUE;
|
|
}
|
|
};
|
|
|
|
MOZ_BEGIN_ENUM_CLASS(FallbackOption)
|
|
THROW,
|
|
RETURN,
|
|
MOZ_END_ENUM_CLASS(FallbackOption)
|
|
|
|
template <class Property>
|
|
typename Property::Type
|
|
GetProperty(JNIEnv* env, jobject instance, jstring name,
|
|
FallbackOption option = FallbackOption::THROW,
|
|
typename Property::Type fallback = typename Property::Type())
|
|
{
|
|
MOZ_ASSERT(env);
|
|
MOZ_ASSERT(instance);
|
|
|
|
JSContext* const cx =
|
|
NativeJSContainer::GetContextFromObject(env, instance);
|
|
if (!cx) {
|
|
return typename Property::Type();
|
|
}
|
|
|
|
const JS::RootedObject object(cx,
|
|
NativeJSContainer::GetObjectFromObject(env, instance));
|
|
const JSJNIString strName(env, name);
|
|
JS::RootedValue val(cx);
|
|
|
|
if (!object ||
|
|
!CheckJNIArgument(env, name) ||
|
|
!CheckJSCall(env,
|
|
JS_GetUCProperty(cx, object, strName, strName.Length(), &val))) {
|
|
return typename Property::Type();
|
|
}
|
|
if (val.isUndefined() || val.isNull()) {
|
|
if (option == FallbackOption::THROW) {
|
|
AndroidBridge::ThrowException(env,
|
|
"java/lang/IllegalArgumentException",
|
|
"Property does not exist");
|
|
}
|
|
return fallback;
|
|
}
|
|
if (!CheckProperty<Property::InValue>(env, cx, val)) {
|
|
return fallback;
|
|
}
|
|
return Property::FromValue(env, instance, cx, val);
|
|
}
|
|
|
|
jobject
|
|
GetBundle(JNIEnv* env, jobject instance, JSContext* cx, JS::HandleObject obj)
|
|
{
|
|
AutoLocalJNIFrame frame(env, 1);
|
|
|
|
const JS::AutoIdArray ids(cx, JS_Enumerate(cx, obj));
|
|
if (!CheckJSCall(env, !!ids)) {
|
|
return nullptr;
|
|
}
|
|
|
|
const size_t length = ids.length();
|
|
const jobject newBundle = env->NewObject(
|
|
NativeJSContainer::jBundle,
|
|
NativeJSContainer::jBundleConstructor,
|
|
static_cast<jint>(length));
|
|
if (!newBundle) {
|
|
return nullptr;
|
|
}
|
|
|
|
for (size_t i = 0; i < ids.length(); i++) {
|
|
AutoLocalJNIFrame loopFrame(env, 2);
|
|
|
|
const JS::RootedId id(cx, ids[i]);
|
|
JS::RootedValue idVal(cx);
|
|
if (!CheckJSCall(env, JS_IdToValue(cx, id, &idVal))) {
|
|
return nullptr;
|
|
}
|
|
|
|
const JS::RootedString idStr(cx, JS::ToString(cx, idVal));
|
|
if (!CheckJSCall(env, !!idStr)) {
|
|
return nullptr;
|
|
}
|
|
|
|
const jstring name =
|
|
StringProperty::FromValue(env, instance, cx, idStr);
|
|
JS::RootedValue val(cx);
|
|
if (!name ||
|
|
!CheckJSCall(env, JS_GetPropertyById(cx, obj, id, &val))) {
|
|
return nullptr;
|
|
}
|
|
|
|
#define PUT_IN_BUNDLE_IF_TYPE_IS(TYPE) \
|
|
if (TYPE##Property::InValue(cx, val)) { \
|
|
const TYPE##Property::Type jval = \
|
|
TYPE##Property::FromValue(env, instance, cx, val); \
|
|
if (env->ExceptionCheck()) { \
|
|
return nullptr; \
|
|
} \
|
|
env->CallVoidMethod(newBundle, \
|
|
NativeJSContainer::jBundlePut##TYPE, name, jval); \
|
|
if (env->ExceptionCheck()) { \
|
|
return nullptr; \
|
|
} \
|
|
continue; \
|
|
} \
|
|
((void) 0) // Accommodate trailing semicolon.
|
|
|
|
// Scalar values are faster to check, so check them first.
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(Boolean);
|
|
// Int can be casted to double, so check int first.
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(Int);
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(Double);
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(String);
|
|
// There's no "putObject", so don't check ObjectProperty
|
|
|
|
// Check for array types if scalar checks all failed.
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(BooleanArray);
|
|
// XXX because we only check the first element of an array,
|
|
// a double array can potentially be seen as an int array.
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(IntArray);
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(DoubleArray);
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(StringArray);
|
|
// There's no "putObjectArray", so don't check ObjectArrayProperty
|
|
// There's no "putBundleArray", so don't check BundleArrayProperty
|
|
|
|
// Use Bundle as the default catch-all for objects
|
|
PUT_IN_BUNDLE_IF_TYPE_IS(Bundle);
|
|
|
|
#undef PUT_IN_BUNDLE_IF_TYPE_IS
|
|
|
|
// We tried all supported types; just bail.
|
|
AndroidBridge::ThrowException(env,
|
|
"java/lang/UnsupportedOperationException",
|
|
"Unsupported property type");
|
|
return nullptr;
|
|
}
|
|
return frame.Pop(newBundle);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
extern "C" {
|
|
|
|
NS_EXPORT void JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSContainer_dispose(JNIEnv* env, jobject instance)
|
|
{
|
|
MOZ_ASSERT(env);
|
|
NativeJSContainer::DisposeInstance(env, instance);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSContainer_clone(JNIEnv* env, jobject instance)
|
|
{
|
|
MOZ_ASSERT(env);
|
|
return NativeJSContainer::CloneInstance(env, instance);
|
|
}
|
|
|
|
NS_EXPORT jboolean JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getBoolean(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<BooleanProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jboolean JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optBoolean(JNIEnv* env, jobject instance,
|
|
jstring name, jboolean fallback)
|
|
{
|
|
return GetProperty<BooleanProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jbooleanArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getBooleanArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<BooleanArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jbooleanArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optBooleanArray(
|
|
JNIEnv* env, jobject instance, jstring name, jbooleanArray fallback)
|
|
{
|
|
return GetProperty<BooleanArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getBundle(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<BundleProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optBundle(JNIEnv* env, jobject instance,
|
|
jstring name, jobject fallback)
|
|
{
|
|
return GetProperty<BundleProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getBundleArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<BundleArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optBundleArray(
|
|
JNIEnv* env, jobject instance, jstring name, jobjectArray fallback)
|
|
{
|
|
return GetProperty<BundleArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jdouble JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getDouble(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<DoubleProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jdouble JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optDouble(JNIEnv* env, jobject instance,
|
|
jstring name, jdouble fallback)
|
|
{
|
|
return GetProperty<DoubleProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jdoubleArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getDoubleArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<DoubleArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jdoubleArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optDoubleArray(
|
|
JNIEnv* env, jobject instance, jstring name, jdoubleArray fallback)
|
|
{
|
|
return GetProperty<DoubleArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jint JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getInt(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<IntProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jint JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optInt(JNIEnv* env, jobject instance,
|
|
jstring name, jint fallback)
|
|
{
|
|
return GetProperty<IntProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jintArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getIntArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<IntArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jintArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optIntArray(
|
|
JNIEnv* env, jobject instance, jstring name, jintArray fallback)
|
|
{
|
|
return GetProperty<IntArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getObject(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<ObjectProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optObject(JNIEnv* env, jobject instance,
|
|
jstring name, jobject fallback)
|
|
{
|
|
return GetProperty<ObjectProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getObjectArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<ObjectArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optObjectArray(
|
|
JNIEnv* env, jobject instance, jstring name, jobjectArray fallback)
|
|
{
|
|
return GetProperty<ObjectArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jstring JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getString(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<StringProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jstring JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optString(JNIEnv* env, jobject instance,
|
|
jstring name, jstring fallback)
|
|
{
|
|
return GetProperty<StringProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_getStringArray(
|
|
JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<StringArrayProperty>(env, instance, name);
|
|
}
|
|
|
|
NS_EXPORT jobjectArray JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_optStringArray(
|
|
JNIEnv* env, jobject instance, jstring name, jobjectArray fallback)
|
|
{
|
|
return GetProperty<StringArrayProperty>(env, instance, name, FallbackOption::RETURN, fallback);
|
|
}
|
|
|
|
NS_EXPORT jboolean JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_has(JNIEnv* env, jobject instance, jstring name)
|
|
{
|
|
return GetProperty<HasProperty>(env, instance, name, FallbackOption::RETURN, JNI_FALSE);
|
|
}
|
|
|
|
NS_EXPORT jobject JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_toBundle(JNIEnv* env, jobject instance)
|
|
{
|
|
MOZ_ASSERT(env);
|
|
MOZ_ASSERT(instance);
|
|
|
|
JSContext* const cx = NativeJSContainer::GetContextFromObject(env, instance);
|
|
if (!cx) {
|
|
return nullptr;
|
|
}
|
|
|
|
const JS::RootedObject object(cx, NativeJSContainer::GetObjectFromObject(env, instance));
|
|
if (!object) {
|
|
return nullptr;
|
|
}
|
|
return GetBundle(env, instance, cx, object);
|
|
}
|
|
|
|
NS_EXPORT jstring JNICALL
|
|
Java_org_mozilla_gecko_util_NativeJSObject_toString(JNIEnv* env, jobject instance)
|
|
{
|
|
MOZ_ASSERT(env);
|
|
MOZ_ASSERT(instance);
|
|
|
|
JSContext* const cx = NativeJSContainer::GetContextFromObject(env, instance);
|
|
if (!cx) {
|
|
return nullptr;
|
|
}
|
|
|
|
const JS::RootedObject object(cx, NativeJSContainer::GetObjectFromObject(env, instance));
|
|
JS::RootedValue value(cx, JS::ObjectValue(*object));
|
|
nsAutoString json;
|
|
|
|
if (!object ||
|
|
!CheckJSCall(env,
|
|
JS_Stringify(cx, &value, JS::NullPtr(), JS::NullHandleValue, AppendJSON, &json))) {
|
|
return nullptr;
|
|
}
|
|
jstring ret = env->NewString(reinterpret_cast<const jchar*>(json.get()), json.Length());
|
|
MOZ_ASSERT(ret);
|
|
return ret;
|
|
}
|
|
|
|
} // extern "C"
|