mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1258 lines
32 KiB
C++
1258 lines
32 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et :
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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 "PluginScriptableObjectParent.h"
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#include "PluginScriptableObjectUtils.h"
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#include "nsNPAPIPlugin.h"
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#include "mozilla/unused.h"
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#include "mozilla/Util.h"
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using namespace mozilla::plugins;
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using namespace mozilla::plugins::parent;
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namespace {
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typedef PluginIdentifierParent::StackIdentifier StackIdentifier;
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inline void
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ReleaseVariant(NPVariant& aVariant,
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PluginInstanceParent* aInstance)
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{
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const NPNetscapeFuncs* npn = GetNetscapeFuncs(aInstance);
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if (npn) {
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npn->releasevariantvalue(&aVariant);
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}
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}
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} // anonymous namespace
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// static
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NPObject*
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PluginScriptableObjectParent::ScriptableAllocate(NPP aInstance,
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NPClass* aClass)
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{
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if (aClass != GetClass()) {
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NS_ERROR("Huh?! Wrong class!");
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return nsnull;
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}
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return new ParentNPObject();
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}
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// static
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void
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PluginScriptableObjectParent::ScriptableInvalidate(NPObject* aObject)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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// This can happen more than once, and is just fine.
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return;
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}
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object->invalidated = true;
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// |object->parent| may be null already if the instance has gone away.
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if (object->parent && !object->parent->CallInvalidate()) {
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NS_ERROR("Failed to send message!");
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}
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}
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// static
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void
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PluginScriptableObjectParent::ScriptableDeallocate(NPObject* aObject)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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PluginScriptableObjectParent* actor = object->parent;
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if (actor) {
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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actor->DropNPObject();
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}
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delete object;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableHasMethod(NPObject* aObject,
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NPIdentifier aName)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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StackIdentifier identifier(aObject, aName);
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if (!identifier) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool result;
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if (!actor->CallHasMethod(identifier, &result)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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return result;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableInvoke(NPObject* aObject,
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NPIdentifier aName,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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StackIdentifier identifier(aObject, aName);
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if (!identifier) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
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if (!args.IsOk()) {
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NS_ERROR("Failed to convert arguments!");
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return false;
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}
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Variant remoteResult;
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bool success;
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if (!actor->CallInvoke(identifier, args, &remoteResult,
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&success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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if (!success) {
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return false;
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}
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if (!ConvertToVariant(remoteResult, *aResult, actor->GetInstance())) {
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NS_WARNING("Failed to convert result!");
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return false;
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}
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return true;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableInvokeDefault(NPObject* aObject,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
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if (!args.IsOk()) {
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NS_ERROR("Failed to convert arguments!");
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return false;
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}
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Variant remoteResult;
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bool success;
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if (!actor->CallInvokeDefault(args, &remoteResult, &success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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if (!success) {
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return false;
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}
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if (!ConvertToVariant(remoteResult, *aResult, actor->GetInstance())) {
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NS_WARNING("Failed to convert result!");
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return false;
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}
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return true;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableHasProperty(NPObject* aObject,
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NPIdentifier aName)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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StackIdentifier identifier(aObject, aName);
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if (!identifier) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool result;
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if (!actor->CallHasProperty(identifier, &result)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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return result;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableGetProperty(NPObject* aObject,
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NPIdentifier aName,
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NPVariant* aResult)
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{
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// See GetPropertyHelper below.
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NS_NOTREACHED("Shouldn't ever call this directly!");
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return false;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableSetProperty(NPObject* aObject,
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NPIdentifier aName,
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const NPVariant* aValue)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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StackIdentifier identifier(aObject, aName);
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if (!identifier) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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ProtectedVariant value(*aValue, actor->GetInstance());
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if (!value.IsOk()) {
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NS_WARNING("Failed to convert variant!");
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return false;
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}
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bool success;
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if (!actor->CallSetProperty(identifier, value, &success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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return success;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableRemoveProperty(NPObject* aObject,
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NPIdentifier aName)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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StackIdentifier identifier(aObject, aName);
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if (!identifier) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool success;
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if (!actor->CallRemoveProperty(identifier, &success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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return success;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableEnumerate(NPObject* aObject,
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NPIdentifier** aIdentifiers,
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uint32_t* aCount)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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const NPNetscapeFuncs* npn = GetNetscapeFuncs(aObject);
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if (!npn) {
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NS_ERROR("No netscape funcs!");
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return false;
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}
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AutoInfallibleTArray<PPluginIdentifierParent*, 10> identifiers;
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bool success;
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if (!actor->CallEnumerate(&identifiers, &success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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if (!success) {
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return false;
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}
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*aCount = identifiers.Length();
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if (!*aCount) {
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*aIdentifiers = nsnull;
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return true;
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}
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*aIdentifiers = (NPIdentifier*)npn->memalloc(*aCount * sizeof(NPIdentifier));
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if (!*aIdentifiers) {
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NS_ERROR("Out of memory!");
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return false;
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}
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for (PRUint32 index = 0; index < *aCount; index++) {
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PluginIdentifierParent* id =
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static_cast<PluginIdentifierParent*>(identifiers[index]);
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(*aIdentifiers)[index] = id->ToNPIdentifier();
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}
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return true;
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}
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// static
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bool
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PluginScriptableObjectParent::ScriptableConstruct(NPObject* aObject,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult)
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{
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if (aObject->_class != GetClass()) {
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NS_ERROR("Don't know what kind of object this is!");
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return false;
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}
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ParentNPObject* object = reinterpret_cast<ParentNPObject*>(aObject);
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if (object->invalidated) {
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NS_WARNING("Calling method on an invalidated object!");
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return false;
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}
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ProtectedActor<PluginScriptableObjectParent> actor(object->parent);
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if (!actor) {
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return false;
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}
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
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if (!args.IsOk()) {
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NS_ERROR("Failed to convert arguments!");
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return false;
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}
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Variant remoteResult;
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bool success;
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if (!actor->CallConstruct(args, &remoteResult, &success)) {
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NS_WARNING("Failed to send message!");
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return false;
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}
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if (!success) {
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return false;
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}
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if (!ConvertToVariant(remoteResult, *aResult, actor->GetInstance())) {
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NS_WARNING("Failed to convert result!");
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return false;
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}
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return true;
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}
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const NPClass PluginScriptableObjectParent::sNPClass = {
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NP_CLASS_STRUCT_VERSION,
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PluginScriptableObjectParent::ScriptableAllocate,
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PluginScriptableObjectParent::ScriptableDeallocate,
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PluginScriptableObjectParent::ScriptableInvalidate,
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PluginScriptableObjectParent::ScriptableHasMethod,
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PluginScriptableObjectParent::ScriptableInvoke,
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PluginScriptableObjectParent::ScriptableInvokeDefault,
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PluginScriptableObjectParent::ScriptableHasProperty,
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PluginScriptableObjectParent::ScriptableGetProperty,
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PluginScriptableObjectParent::ScriptableSetProperty,
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PluginScriptableObjectParent::ScriptableRemoveProperty,
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PluginScriptableObjectParent::ScriptableEnumerate,
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PluginScriptableObjectParent::ScriptableConstruct
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};
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PluginScriptableObjectParent::PluginScriptableObjectParent(
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ScriptableObjectType aType)
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: mInstance(nsnull),
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mObject(nsnull),
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mProtectCount(0),
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mType(aType)
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{
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}
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PluginScriptableObjectParent::~PluginScriptableObjectParent()
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{
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if (mObject) {
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if (mObject->_class == GetClass()) {
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NS_ASSERTION(mType == Proxy, "Wrong type!");
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static_cast<ParentNPObject*>(mObject)->parent = nsnull;
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}
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else {
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NS_ASSERTION(mType == LocalObject, "Wrong type!");
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GetInstance()->GetNPNIface()->releaseobject(mObject);
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}
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}
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}
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void
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PluginScriptableObjectParent::InitializeProxy()
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{
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NS_ASSERTION(mType == Proxy, "Bad type!");
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NS_ASSERTION(!mObject, "Calling Initialize more than once!");
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mInstance = static_cast<PluginInstanceParent*>(Manager());
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NS_ASSERTION(mInstance, "Null manager?!");
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NPObject* object = CreateProxyObject();
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NS_ASSERTION(object, "Failed to create object!");
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if (!mInstance->RegisterNPObjectForActor(object, this)) {
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NS_ERROR("Out of memory?");
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}
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mObject = object;
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}
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void
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PluginScriptableObjectParent::InitializeLocal(NPObject* aObject)
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{
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NS_ASSERTION(mType == LocalObject, "Bad type!");
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NS_ASSERTION(!(mInstance && mObject), "Calling Initialize more than once!");
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mInstance = static_cast<PluginInstanceParent*>(Manager());
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NS_ASSERTION(mInstance, "Null manager?!");
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mInstance->GetNPNIface()->retainobject(aObject);
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NS_ASSERTION(!mProtectCount, "Should be zero!");
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mProtectCount++;
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if (!mInstance->RegisterNPObjectForActor(aObject, this)) {
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NS_ERROR("Out of memory?");
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}
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mObject = aObject;
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}
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NPObject*
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PluginScriptableObjectParent::CreateProxyObject()
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{
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NS_ASSERTION(mInstance, "Must have an instance!");
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NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
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const NPNetscapeFuncs* npn = GetNetscapeFuncs(mInstance);
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NPObject* npobject = npn->createobject(mInstance->GetNPP(),
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const_cast<NPClass*>(GetClass()));
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NS_ASSERTION(npobject, "Failed to create object?!");
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NS_ASSERTION(npobject->_class == GetClass(), "Wrong kind of object!");
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NS_ASSERTION(npobject->referenceCount == 1, "Some kind of live object!");
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ParentNPObject* object = static_cast<ParentNPObject*>(npobject);
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NS_ASSERTION(!object->invalidated, "Bad object!");
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NS_ASSERTION(!object->parent, "Bad object!");
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// We don't want to have the actor own this object but rather let the object
|
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// own this actor. Set the reference count to 0 here so that when the object
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// dies we will send the destructor message to the child.
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object->referenceCount = 0;
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NS_LOG_RELEASE(object, 0, "BrowserNPObject");
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object->parent = const_cast<PluginScriptableObjectParent*>(this);
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return object;
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}
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bool
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PluginScriptableObjectParent::ResurrectProxyObject()
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{
|
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NS_ASSERTION(mInstance, "Must have an instance already!");
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NS_ASSERTION(!mObject, "Should not have an object already!");
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NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
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|
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InitializeProxy();
|
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NS_ASSERTION(mObject, "Initialize failed!");
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|
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if (!SendProtect()) {
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NS_WARNING("Failed to send message!");
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return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
NPObject*
|
|
PluginScriptableObjectParent::GetObject(bool aCanResurrect)
|
|
{
|
|
if (!mObject && aCanResurrect && !ResurrectProxyObject()) {
|
|
NS_ERROR("Null object!");
|
|
return nsnull;
|
|
}
|
|
return mObject;
|
|
}
|
|
|
|
void
|
|
PluginScriptableObjectParent::Protect()
|
|
{
|
|
NS_ASSERTION(mObject, "No object!");
|
|
NS_ASSERTION(mProtectCount >= 0, "Negative protect count?!");
|
|
|
|
if (mType == LocalObject) {
|
|
++mProtectCount;
|
|
}
|
|
}
|
|
|
|
void
|
|
PluginScriptableObjectParent::Unprotect()
|
|
{
|
|
NS_ASSERTION(mObject, "No object!");
|
|
NS_ASSERTION(mProtectCount >= 0, "Negative protect count?!");
|
|
|
|
if (mType == LocalObject) {
|
|
if (--mProtectCount == 0) {
|
|
unused << PluginScriptableObjectParent::Send__delete__(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
PluginScriptableObjectParent::DropNPObject()
|
|
{
|
|
NS_ASSERTION(mObject, "Invalidated object!");
|
|
NS_ASSERTION(mObject->_class == GetClass(), "Wrong type of object!");
|
|
NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
|
|
|
|
// We think we're about to be deleted, but we could be racing with the other
|
|
// process.
|
|
PluginInstanceParent* instance = GetInstance();
|
|
NS_ASSERTION(instance, "Must have an instance!");
|
|
|
|
instance->UnregisterNPObject(mObject);
|
|
mObject = nsnull;
|
|
|
|
unused << SendUnprotect();
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerHasMethod(PPluginIdentifierParent* aId,
|
|
bool* aHasMethod)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerHasMethod with an invalidated object!");
|
|
*aHasMethod = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aHasMethod = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aHasMethod = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
*aHasMethod = npn->hasmethod(instance->GetNPP(), mObject, id->ToNPIdentifier());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerInvoke(PPluginIdentifierParent* aId,
|
|
const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerInvoke with an invalidated object!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
nsAutoTArray<NPVariant, 10> convertedArgs;
|
|
PRUint32 argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
if (!ConvertToVariant(aArgs[index], convertedArgs[index], instance)) {
|
|
// Don't leak things we've already converted!
|
|
while (index-- > 0) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
NPVariant result;
|
|
bool success = npn->invoke(instance->GetNPP(), mObject, id->ToNPIdentifier(),
|
|
convertedArgs.Elements(), argCount, &result);
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, GetInstance());
|
|
|
|
DeferNPVariantLastRelease(npn, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aResult = convertedResult;
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerInvoke with an invalidated object!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
nsAutoTArray<NPVariant, 10> convertedArgs;
|
|
PRUint32 argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
if (!ConvertToVariant(aArgs[index], convertedArgs[index], instance)) {
|
|
// Don't leak things we've already converted!
|
|
while (index-- > 0) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
NPVariant result;
|
|
bool success = npn->invokeDefault(instance->GetNPP(), mObject,
|
|
convertedArgs.Elements(), argCount,
|
|
&result);
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, GetInstance());
|
|
|
|
DeferNPVariantLastRelease(npn, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aResult = convertedResult;
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerHasProperty(PPluginIdentifierParent* aId,
|
|
bool* aHasProperty)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerHasProperty with an invalidated object!");
|
|
*aHasProperty = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aHasProperty = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aHasProperty = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
*aHasProperty = npn->hasproperty(instance->GetNPP(), mObject,
|
|
id->ToNPIdentifier());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerGetParentProperty(
|
|
PPluginIdentifierParent* aId,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerGetProperty with an invalidated object!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
NPVariant result;
|
|
if (!npn->getproperty(instance->GetNPP(), mObject, id->ToNPIdentifier(),
|
|
&result)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant converted;
|
|
if ((*aSuccess = ConvertToRemoteVariant(result, converted, instance))) {
|
|
DeferNPVariantLastRelease(npn, &result);
|
|
*aResult = converted;
|
|
}
|
|
else {
|
|
*aResult = void_t();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerSetProperty(PPluginIdentifierParent* aId,
|
|
const Variant& aValue,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerSetProperty with an invalidated object!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NPVariant converted;
|
|
if (!ConvertToVariant(aValue, converted, instance)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
if ((*aSuccess = npn->setproperty(instance->GetNPP(), mObject,
|
|
id->ToNPIdentifier(), &converted))) {
|
|
ReleaseVariant(converted, instance);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerRemoveProperty(PPluginIdentifierParent* aId,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerRemoveProperty with an invalidated object!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierParent* id = static_cast<PluginIdentifierParent*>(aId);
|
|
*aSuccess = npn->removeproperty(instance->GetNPP(), mObject,
|
|
id->ToNPIdentifier());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerEnumerate(InfallibleTArray<PPluginIdentifierParent*>* aProperties,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerEnumerate with an invalidated object!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_WARNING("No netscape funcs?!");
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NPIdentifier* ids;
|
|
uint32_t idCount;
|
|
if (!npn->enumerate(instance->GetNPP(), mObject, &ids, &idCount)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
if (!aProperties->SetCapacity(idCount)) {
|
|
npn->memfree(ids);
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
JSContext* cx = GetJSContext(instance->GetNPP());
|
|
JSAutoRequest ar(cx);
|
|
|
|
for (uint32_t index = 0; index < idCount; index++) {
|
|
// Because of GC hazards, all identifiers returned from enumerate
|
|
// must be made permanent.
|
|
if (_identifierisstring(ids[index])) {
|
|
JSString* str = NPIdentifierToString(ids[index]);
|
|
if (!JS_StringHasBeenInterned(cx, str)) {
|
|
DebugOnly<JSString*> str2 = JS_InternJSString(cx, str);
|
|
NS_ASSERTION(str2 == str, "Interning a JS string which is currently an ID should return itself.");
|
|
}
|
|
}
|
|
PluginIdentifierParent* id =
|
|
instance->Module()->GetIdentifierForNPIdentifier(instance->GetNPP(), ids[index]);
|
|
aProperties->AppendElement(id);
|
|
NS_ASSERTION(!id->IsTemporary(), "Should only have permanent identifiers!");
|
|
}
|
|
|
|
npn->memfree(ids);
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
if (!mObject) {
|
|
NS_WARNING("Calling AnswerConstruct with an invalidated object!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
nsAutoTArray<NPVariant, 10> convertedArgs;
|
|
PRUint32 argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
if (!ConvertToVariant(aArgs[index], convertedArgs[index], instance)) {
|
|
// Don't leak things we've already converted!
|
|
while (index-- > 0) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
NPVariant result;
|
|
bool success = npn->construct(instance->GetNPP(), mObject,
|
|
convertedArgs.Elements(), argCount, &result);
|
|
|
|
for (PRUint32 index = 0; index < argCount; index++) {
|
|
ReleaseVariant(convertedArgs[index], instance);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, instance);
|
|
|
|
DeferNPVariantLastRelease(npn, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aSuccess = true;
|
|
*aResult = convertedResult;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::RecvProtect()
|
|
{
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
Protect();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::RecvUnprotect()
|
|
{
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
Unprotect();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectParent::AnswerNPN_Evaluate(const nsCString& aScript,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
PluginInstanceParent* instance = GetInstance();
|
|
if (!instance) {
|
|
NS_ERROR("No instance?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
const NPNetscapeFuncs* npn = GetNetscapeFuncs(instance);
|
|
if (!npn) {
|
|
NS_ERROR("No netscape funcs?!");
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NPString script = { aScript.get(), aScript.Length() };
|
|
|
|
NPVariant result;
|
|
bool success = npn->evaluate(instance->GetNPP(), mObject, &script, &result);
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, instance);
|
|
|
|
DeferNPVariantLastRelease(npn, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aSuccess = true;
|
|
*aResult = convertedResult;
|
|
return true;
|
|
}
|
|
|
|
JSBool
|
|
PluginScriptableObjectParent::GetPropertyHelper(NPIdentifier aName,
|
|
bool* aHasProperty,
|
|
bool* aHasMethod,
|
|
NPVariant* aResult)
|
|
{
|
|
NS_ASSERTION(Type() == Proxy, "Bad type!");
|
|
|
|
ParentNPObject* object = static_cast<ParentNPObject*>(mObject);
|
|
if (object->invalidated) {
|
|
NS_WARNING("Calling method on an invalidated object!");
|
|
return JS_FALSE;
|
|
}
|
|
|
|
StackIdentifier identifier(GetInstance(), aName);
|
|
if (!identifier) {
|
|
return JS_FALSE;
|
|
}
|
|
|
|
bool hasProperty, hasMethod, success;
|
|
Variant result;
|
|
if (!CallGetChildProperty(identifier, &hasProperty, &hasMethod, &result,
|
|
&success)) {
|
|
return JS_FALSE;
|
|
}
|
|
|
|
if (!success) {
|
|
return JS_FALSE;
|
|
}
|
|
|
|
if (!ConvertToVariant(result, *aResult, GetInstance())) {
|
|
NS_WARNING("Failed to convert result!");
|
|
return JS_FALSE;
|
|
}
|
|
|
|
*aHasProperty = hasProperty;
|
|
*aHasMethod = hasMethod;
|
|
return JS_TRUE;
|
|
}
|