1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginScriptableObjectChild.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1066 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "PluginScriptableObjectChild.h"
1.11 +#include "PluginScriptableObjectUtils.h"
1.12 +#include "PluginIdentifierChild.h"
1.13 +
1.14 +using namespace mozilla::plugins;
1.15 +
1.16 +// static
1.17 +NPObject*
1.18 +PluginScriptableObjectChild::ScriptableAllocate(NPP aInstance,
1.19 + NPClass* aClass)
1.20 +{
1.21 + AssertPluginThread();
1.22 +
1.23 + if (aClass != GetClass()) {
1.24 + NS_RUNTIMEABORT("Huh?! Wrong class!");
1.25 + }
1.26 +
1.27 + return new ChildNPObject();
1.28 +}
1.29 +
1.30 +// static
1.31 +void
1.32 +PluginScriptableObjectChild::ScriptableInvalidate(NPObject* aObject)
1.33 +{
1.34 + AssertPluginThread();
1.35 +
1.36 + if (aObject->_class != GetClass()) {
1.37 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.38 + }
1.39 +
1.40 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.41 + if (object->invalidated) {
1.42 + // This can happen more than once, and is just fine.
1.43 + return;
1.44 + }
1.45 +
1.46 + object->invalidated = true;
1.47 +}
1.48 +
1.49 +// static
1.50 +void
1.51 +PluginScriptableObjectChild::ScriptableDeallocate(NPObject* aObject)
1.52 +{
1.53 + AssertPluginThread();
1.54 +
1.55 + if (aObject->_class != GetClass()) {
1.56 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.57 + }
1.58 +
1.59 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.60 + PluginScriptableObjectChild* actor = object->parent;
1.61 + if (actor) {
1.62 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.63 + actor->DropNPObject();
1.64 + }
1.65 +
1.66 + delete object;
1.67 +}
1.68 +
1.69 +// static
1.70 +bool
1.71 +PluginScriptableObjectChild::ScriptableHasMethod(NPObject* aObject,
1.72 + NPIdentifier aName)
1.73 +{
1.74 + AssertPluginThread();
1.75 +
1.76 + if (aObject->_class != GetClass()) {
1.77 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.78 + }
1.79 +
1.80 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.81 + if (object->invalidated) {
1.82 + NS_WARNING("Calling method on an invalidated object!");
1.83 + return false;
1.84 + }
1.85 +
1.86 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.87 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.88 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.89 +
1.90 + bool result;
1.91 + actor->CallHasMethod(static_cast<PPluginIdentifierChild*>(aName), &result);
1.92 +
1.93 + return result;
1.94 +}
1.95 +
1.96 +// static
1.97 +bool
1.98 +PluginScriptableObjectChild::ScriptableInvoke(NPObject* aObject,
1.99 + NPIdentifier aName,
1.100 + const NPVariant* aArgs,
1.101 + uint32_t aArgCount,
1.102 + NPVariant* aResult)
1.103 +{
1.104 + AssertPluginThread();
1.105 +
1.106 + if (aObject->_class != GetClass()) {
1.107 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.108 + }
1.109 +
1.110 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.111 + if (object->invalidated) {
1.112 + NS_WARNING("Calling method on an invalidated object!");
1.113 + return false;
1.114 + }
1.115 +
1.116 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.117 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.118 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.119 +
1.120 + ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
1.121 + if (!args.IsOk()) {
1.122 + NS_ERROR("Failed to convert arguments!");
1.123 + return false;
1.124 + }
1.125 +
1.126 + Variant remoteResult;
1.127 + bool success;
1.128 + actor->CallInvoke(static_cast<PPluginIdentifierChild*>(aName), args,
1.129 + &remoteResult, &success);
1.130 +
1.131 + if (!success) {
1.132 + return false;
1.133 + }
1.134 +
1.135 + ConvertToVariant(remoteResult, *aResult);
1.136 + return true;
1.137 +}
1.138 +
1.139 +// static
1.140 +bool
1.141 +PluginScriptableObjectChild::ScriptableInvokeDefault(NPObject* aObject,
1.142 + const NPVariant* aArgs,
1.143 + uint32_t aArgCount,
1.144 + NPVariant* aResult)
1.145 +{
1.146 + AssertPluginThread();
1.147 +
1.148 + if (aObject->_class != GetClass()) {
1.149 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.150 + }
1.151 +
1.152 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.153 + if (object->invalidated) {
1.154 + NS_WARNING("Calling method on an invalidated object!");
1.155 + return false;
1.156 + }
1.157 +
1.158 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.159 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.160 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.161 +
1.162 + ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
1.163 + if (!args.IsOk()) {
1.164 + NS_ERROR("Failed to convert arguments!");
1.165 + return false;
1.166 + }
1.167 +
1.168 + Variant remoteResult;
1.169 + bool success;
1.170 + actor->CallInvokeDefault(args, &remoteResult, &success);
1.171 +
1.172 + if (!success) {
1.173 + return false;
1.174 + }
1.175 +
1.176 + ConvertToVariant(remoteResult, *aResult);
1.177 + return true;
1.178 +}
1.179 +
1.180 +// static
1.181 +bool
1.182 +PluginScriptableObjectChild::ScriptableHasProperty(NPObject* aObject,
1.183 + NPIdentifier aName)
1.184 +{
1.185 + AssertPluginThread();
1.186 +
1.187 + if (aObject->_class != GetClass()) {
1.188 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.189 + }
1.190 +
1.191 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.192 + if (object->invalidated) {
1.193 + NS_WARNING("Calling method on an invalidated object!");
1.194 + return false;
1.195 + }
1.196 +
1.197 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.198 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.199 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.200 +
1.201 + bool result;
1.202 + actor->CallHasProperty(static_cast<PPluginIdentifierChild*>(aName), &result);
1.203 +
1.204 + return result;
1.205 +}
1.206 +
1.207 +// static
1.208 +bool
1.209 +PluginScriptableObjectChild::ScriptableGetProperty(NPObject* aObject,
1.210 + NPIdentifier aName,
1.211 + NPVariant* aResult)
1.212 +{
1.213 + AssertPluginThread();
1.214 +
1.215 + if (aObject->_class != GetClass()) {
1.216 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.217 + }
1.218 +
1.219 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.220 + if (object->invalidated) {
1.221 + NS_WARNING("Calling method on an invalidated object!");
1.222 + return false;
1.223 + }
1.224 +
1.225 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.226 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.227 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.228 +
1.229 + Variant result;
1.230 + bool success;
1.231 + actor->CallGetParentProperty(static_cast<PPluginIdentifierChild*>(aName),
1.232 + &result, &success);
1.233 +
1.234 + if (!success) {
1.235 + return false;
1.236 + }
1.237 +
1.238 + ConvertToVariant(result, *aResult);
1.239 + return true;
1.240 +}
1.241 +
1.242 +// static
1.243 +bool
1.244 +PluginScriptableObjectChild::ScriptableSetProperty(NPObject* aObject,
1.245 + NPIdentifier aName,
1.246 + const NPVariant* aValue)
1.247 +{
1.248 + AssertPluginThread();
1.249 +
1.250 + if (aObject->_class != GetClass()) {
1.251 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.252 + }
1.253 +
1.254 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.255 + if (object->invalidated) {
1.256 + NS_WARNING("Calling method on an invalidated object!");
1.257 + return false;
1.258 + }
1.259 +
1.260 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.261 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.262 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.263 +
1.264 + ProtectedVariant value(*aValue, actor->GetInstance());
1.265 + if (!value.IsOk()) {
1.266 + NS_WARNING("Failed to convert variant!");
1.267 + return false;
1.268 + }
1.269 +
1.270 + bool success;
1.271 + actor->CallSetProperty(static_cast<PPluginIdentifierChild*>(aName), value,
1.272 + &success);
1.273 +
1.274 + return success;
1.275 +}
1.276 +
1.277 +// static
1.278 +bool
1.279 +PluginScriptableObjectChild::ScriptableRemoveProperty(NPObject* aObject,
1.280 + NPIdentifier aName)
1.281 +{
1.282 + AssertPluginThread();
1.283 +
1.284 + if (aObject->_class != GetClass()) {
1.285 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.286 + }
1.287 +
1.288 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.289 + if (object->invalidated) {
1.290 + NS_WARNING("Calling method on an invalidated object!");
1.291 + return false;
1.292 + }
1.293 +
1.294 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.295 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.296 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.297 +
1.298 + bool success;
1.299 + actor->CallRemoveProperty(static_cast<PPluginIdentifierChild*>(aName),
1.300 + &success);
1.301 +
1.302 + return success;
1.303 +}
1.304 +
1.305 +// static
1.306 +bool
1.307 +PluginScriptableObjectChild::ScriptableEnumerate(NPObject* aObject,
1.308 + NPIdentifier** aIdentifiers,
1.309 + uint32_t* aCount)
1.310 +{
1.311 + AssertPluginThread();
1.312 +
1.313 + if (aObject->_class != GetClass()) {
1.314 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.315 + }
1.316 +
1.317 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.318 + if (object->invalidated) {
1.319 + NS_WARNING("Calling method on an invalidated object!");
1.320 + return false;
1.321 + }
1.322 +
1.323 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.324 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.325 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.326 +
1.327 + AutoInfallibleTArray<PPluginIdentifierChild*, 10> identifiers;
1.328 + bool success;
1.329 + actor->CallEnumerate(&identifiers, &success);
1.330 +
1.331 + if (!success) {
1.332 + return false;
1.333 + }
1.334 +
1.335 + *aCount = identifiers.Length();
1.336 + if (!*aCount) {
1.337 + *aIdentifiers = nullptr;
1.338 + return true;
1.339 + }
1.340 +
1.341 + *aIdentifiers = reinterpret_cast<NPIdentifier*>(
1.342 + PluginModuleChild::sBrowserFuncs.memalloc(*aCount * sizeof(NPIdentifier)));
1.343 + if (!*aIdentifiers) {
1.344 + NS_ERROR("Out of memory!");
1.345 + return false;
1.346 + }
1.347 +
1.348 + for (uint32_t index = 0; index < *aCount; index++) {
1.349 + (*aIdentifiers)[index] =
1.350 + static_cast<PPluginIdentifierChild*>(identifiers[index]);
1.351 + }
1.352 + return true;
1.353 +}
1.354 +
1.355 +// static
1.356 +bool
1.357 +PluginScriptableObjectChild::ScriptableConstruct(NPObject* aObject,
1.358 + const NPVariant* aArgs,
1.359 + uint32_t aArgCount,
1.360 + NPVariant* aResult)
1.361 +{
1.362 + AssertPluginThread();
1.363 +
1.364 + if (aObject->_class != GetClass()) {
1.365 + NS_RUNTIMEABORT("Don't know what kind of object this is!");
1.366 + }
1.367 +
1.368 + ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
1.369 + if (object->invalidated) {
1.370 + NS_WARNING("Calling method on an invalidated object!");
1.371 + return false;
1.372 + }
1.373 +
1.374 + ProtectedActor<PluginScriptableObjectChild> actor(object->parent);
1.375 + NS_ASSERTION(actor, "This shouldn't ever be null!");
1.376 + NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
1.377 +
1.378 + ProtectedVariantArray args(aArgs, aArgCount, actor->GetInstance());
1.379 + if (!args.IsOk()) {
1.380 + NS_ERROR("Failed to convert arguments!");
1.381 + return false;
1.382 + }
1.383 +
1.384 + Variant remoteResult;
1.385 + bool success;
1.386 + actor->CallConstruct(args, &remoteResult, &success);
1.387 +
1.388 + if (!success) {
1.389 + return false;
1.390 + }
1.391 +
1.392 + ConvertToVariant(remoteResult, *aResult);
1.393 + return true;
1.394 +}
1.395 +
1.396 +const NPClass PluginScriptableObjectChild::sNPClass = {
1.397 + NP_CLASS_STRUCT_VERSION,
1.398 + PluginScriptableObjectChild::ScriptableAllocate,
1.399 + PluginScriptableObjectChild::ScriptableDeallocate,
1.400 + PluginScriptableObjectChild::ScriptableInvalidate,
1.401 + PluginScriptableObjectChild::ScriptableHasMethod,
1.402 + PluginScriptableObjectChild::ScriptableInvoke,
1.403 + PluginScriptableObjectChild::ScriptableInvokeDefault,
1.404 + PluginScriptableObjectChild::ScriptableHasProperty,
1.405 + PluginScriptableObjectChild::ScriptableGetProperty,
1.406 + PluginScriptableObjectChild::ScriptableSetProperty,
1.407 + PluginScriptableObjectChild::ScriptableRemoveProperty,
1.408 + PluginScriptableObjectChild::ScriptableEnumerate,
1.409 + PluginScriptableObjectChild::ScriptableConstruct
1.410 +};
1.411 +
1.412 +PluginScriptableObjectChild::PluginScriptableObjectChild(
1.413 + ScriptableObjectType aType)
1.414 +: mInstance(nullptr),
1.415 + mObject(nullptr),
1.416 + mInvalidated(false),
1.417 + mProtectCount(0),
1.418 + mType(aType)
1.419 +{
1.420 + AssertPluginThread();
1.421 +}
1.422 +
1.423 +PluginScriptableObjectChild::~PluginScriptableObjectChild()
1.424 +{
1.425 + AssertPluginThread();
1.426 +
1.427 + if (mObject) {
1.428 + PluginModuleChild::current()->UnregisterActorForNPObject(mObject);
1.429 +
1.430 + if (mObject->_class == GetClass()) {
1.431 + NS_ASSERTION(mType == Proxy, "Wrong type!");
1.432 + static_cast<ChildNPObject*>(mObject)->parent = nullptr;
1.433 + }
1.434 + else {
1.435 + NS_ASSERTION(mType == LocalObject, "Wrong type!");
1.436 + PluginModuleChild::sBrowserFuncs.releaseobject(mObject);
1.437 + }
1.438 + }
1.439 +}
1.440 +
1.441 +void
1.442 +PluginScriptableObjectChild::InitializeProxy()
1.443 +{
1.444 + AssertPluginThread();
1.445 + NS_ASSERTION(mType == Proxy, "Bad type!");
1.446 + NS_ASSERTION(!mObject, "Calling Initialize more than once!");
1.447 + NS_ASSERTION(!mInvalidated, "Already invalidated?!");
1.448 +
1.449 + mInstance = static_cast<PluginInstanceChild*>(Manager());
1.450 + NS_ASSERTION(mInstance, "Null manager?!");
1.451 +
1.452 + NPObject* object = CreateProxyObject();
1.453 + NS_ASSERTION(object, "Failed to create object!");
1.454 +
1.455 + if (!PluginModuleChild::current()->RegisterActorForNPObject(object, this)) {
1.456 + NS_ERROR("Out of memory?");
1.457 + }
1.458 +
1.459 + mObject = object;
1.460 +}
1.461 +
1.462 +void
1.463 +PluginScriptableObjectChild::InitializeLocal(NPObject* aObject)
1.464 +{
1.465 + AssertPluginThread();
1.466 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.467 + NS_ASSERTION(!mObject, "Calling Initialize more than once!");
1.468 + NS_ASSERTION(!mInvalidated, "Already invalidated?!");
1.469 +
1.470 + mInstance = static_cast<PluginInstanceChild*>(Manager());
1.471 + NS_ASSERTION(mInstance, "Null manager?!");
1.472 +
1.473 + PluginModuleChild::sBrowserFuncs.retainobject(aObject);
1.474 +
1.475 + NS_ASSERTION(!mProtectCount, "Should be zero!");
1.476 + mProtectCount++;
1.477 +
1.478 + if (!PluginModuleChild::current()->RegisterActorForNPObject(aObject, this)) {
1.479 + NS_ERROR("Out of memory?");
1.480 + }
1.481 +
1.482 + mObject = aObject;
1.483 +}
1.484 +
1.485 +NPObject*
1.486 +PluginScriptableObjectChild::CreateProxyObject()
1.487 +{
1.488 + NS_ASSERTION(mInstance, "Must have an instance!");
1.489 + NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
1.490 +
1.491 + NPClass* proxyClass = const_cast<NPClass*>(GetClass());
1.492 + NPObject* npobject =
1.493 + PluginModuleChild::sBrowserFuncs.createobject(mInstance->GetNPP(),
1.494 + proxyClass);
1.495 + NS_ASSERTION(npobject, "Failed to create object?!");
1.496 + NS_ASSERTION(npobject->_class == GetClass(), "Wrong kind of object!");
1.497 + NS_ASSERTION(npobject->referenceCount == 1, "Some kind of live object!");
1.498 +
1.499 + ChildNPObject* object = static_cast<ChildNPObject*>(npobject);
1.500 + NS_ASSERTION(!object->invalidated, "Bad object!");
1.501 + NS_ASSERTION(!object->parent, "Bad object!");
1.502 +
1.503 + // We don't want to have the actor own this object but rather let the object
1.504 + // own this actor. Set the reference count to 0 here so that when the object
1.505 + // dies we will send the destructor message to the child.
1.506 + object->referenceCount = 0;
1.507 + NS_LOG_RELEASE(object, 0, "NPObject");
1.508 +
1.509 + object->parent = const_cast<PluginScriptableObjectChild*>(this);
1.510 + return object;
1.511 +}
1.512 +
1.513 +bool
1.514 +PluginScriptableObjectChild::ResurrectProxyObject()
1.515 +{
1.516 + NS_ASSERTION(mInstance, "Must have an instance already!");
1.517 + NS_ASSERTION(!mObject, "Should not have an object already!");
1.518 + NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
1.519 +
1.520 + NPObject* object = CreateProxyObject();
1.521 + if (!object) {
1.522 + NS_WARNING("Failed to create object!");
1.523 + return false;
1.524 + }
1.525 +
1.526 + InitializeProxy();
1.527 + NS_ASSERTION(mObject, "Initialize failed!");
1.528 +
1.529 + SendProtect();
1.530 + return true;
1.531 +}
1.532 +
1.533 +NPObject*
1.534 +PluginScriptableObjectChild::GetObject(bool aCanResurrect)
1.535 +{
1.536 + if (!mObject && aCanResurrect && !ResurrectProxyObject()) {
1.537 + NS_ERROR("Null object!");
1.538 + return nullptr;
1.539 + }
1.540 + return mObject;
1.541 +}
1.542 +
1.543 +void
1.544 +PluginScriptableObjectChild::Protect()
1.545 +{
1.546 + NS_ASSERTION(mObject, "No object!");
1.547 + NS_ASSERTION(mProtectCount >= 0, "Negative retain count?!");
1.548 +
1.549 + if (mType == LocalObject) {
1.550 + ++mProtectCount;
1.551 + }
1.552 +}
1.553 +
1.554 +void
1.555 +PluginScriptableObjectChild::Unprotect()
1.556 +{
1.557 + NS_ASSERTION(mObject, "Bad state!");
1.558 + NS_ASSERTION(mProtectCount >= 0, "Negative retain count?!");
1.559 +
1.560 + if (mType == LocalObject) {
1.561 + if (--mProtectCount == 0) {
1.562 + PluginScriptableObjectChild::Send__delete__(this);
1.563 + }
1.564 + }
1.565 +}
1.566 +
1.567 +void
1.568 +PluginScriptableObjectChild::DropNPObject()
1.569 +{
1.570 + NS_ASSERTION(mObject, "Invalidated object!");
1.571 + NS_ASSERTION(mObject->_class == GetClass(), "Wrong type of object!");
1.572 + NS_ASSERTION(mType == Proxy, "Shouldn't call this for non-proxy object!");
1.573 +
1.574 + // We think we're about to be deleted, but we could be racing with the other
1.575 + // process.
1.576 + PluginModuleChild::current()->UnregisterActorForNPObject(mObject);
1.577 + mObject = nullptr;
1.578 +
1.579 + SendUnprotect();
1.580 +}
1.581 +
1.582 +void
1.583 +PluginScriptableObjectChild::NPObjectDestroyed()
1.584 +{
1.585 + NS_ASSERTION(LocalObject == mType,
1.586 + "ScriptableDeallocate should have handled this for proxies");
1.587 + mInvalidated = true;
1.588 + mObject = nullptr;
1.589 +}
1.590 +
1.591 +bool
1.592 +PluginScriptableObjectChild::AnswerInvalidate()
1.593 +{
1.594 + AssertPluginThread();
1.595 +
1.596 + if (mInvalidated) {
1.597 + return true;
1.598 + }
1.599 +
1.600 + mInvalidated = true;
1.601 +
1.602 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.603 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.604 +
1.605 + if (mObject->_class && mObject->_class->invalidate) {
1.606 + mObject->_class->invalidate(mObject);
1.607 + }
1.608 +
1.609 + Unprotect();
1.610 +
1.611 + return true;
1.612 +}
1.613 +
1.614 +bool
1.615 +PluginScriptableObjectChild::AnswerHasMethod(PPluginIdentifierChild* aId,
1.616 + bool* aHasMethod)
1.617 +{
1.618 + AssertPluginThread();
1.619 +
1.620 + if (mInvalidated) {
1.621 + NS_WARNING("Calling AnswerHasMethod with an invalidated object!");
1.622 + *aHasMethod = false;
1.623 + return true;
1.624 + }
1.625 +
1.626 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.627 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.628 +
1.629 + if (!(mObject->_class && mObject->_class->hasMethod)) {
1.630 + *aHasMethod = false;
1.631 + return true;
1.632 + }
1.633 +
1.634 + PluginIdentifierChild::StackIdentifier id(aId);
1.635 + *aHasMethod = mObject->_class->hasMethod(mObject, id->ToNPIdentifier());
1.636 + return true;
1.637 +}
1.638 +
1.639 +bool
1.640 +PluginScriptableObjectChild::AnswerInvoke(PPluginIdentifierChild* aId,
1.641 + const InfallibleTArray<Variant>& aArgs,
1.642 + Variant* aResult,
1.643 + bool* aSuccess)
1.644 +{
1.645 + AssertPluginThread();
1.646 +
1.647 + if (mInvalidated) {
1.648 + NS_WARNING("Calling AnswerInvoke with an invalidated object!");
1.649 + *aResult = void_t();
1.650 + *aSuccess = false;
1.651 + return true;
1.652 + }
1.653 +
1.654 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.655 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.656 +
1.657 + if (!(mObject->_class && mObject->_class->invoke)) {
1.658 + *aResult = void_t();
1.659 + *aSuccess = false;
1.660 + return true;
1.661 + }
1.662 +
1.663 + AutoFallibleTArray<NPVariant, 10> convertedArgs;
1.664 + uint32_t argCount = aArgs.Length();
1.665 +
1.666 + if (!convertedArgs.SetLength(argCount)) {
1.667 + *aResult = void_t();
1.668 + *aSuccess = false;
1.669 + return true;
1.670 + }
1.671 +
1.672 + for (uint32_t index = 0; index < argCount; index++) {
1.673 + ConvertToVariant(aArgs[index], convertedArgs[index]);
1.674 + }
1.675 +
1.676 + NPVariant result;
1.677 + VOID_TO_NPVARIANT(result);
1.678 + PluginIdentifierChild::StackIdentifier id(aId);
1.679 + bool success = mObject->_class->invoke(mObject, id->ToNPIdentifier(),
1.680 + convertedArgs.Elements(), argCount,
1.681 + &result);
1.682 +
1.683 + for (uint32_t index = 0; index < argCount; index++) {
1.684 + PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
1.685 + }
1.686 +
1.687 + if (!success) {
1.688 + *aResult = void_t();
1.689 + *aSuccess = false;
1.690 + return true;
1.691 + }
1.692 +
1.693 + Variant convertedResult;
1.694 + success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
1.695 + false);
1.696 +
1.697 + DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
1.698 +
1.699 + if (!success) {
1.700 + *aResult = void_t();
1.701 + *aSuccess = false;
1.702 + return true;
1.703 + }
1.704 +
1.705 + *aSuccess = true;
1.706 + *aResult = convertedResult;
1.707 + return true;
1.708 +}
1.709 +
1.710 +bool
1.711 +PluginScriptableObjectChild::AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
1.712 + Variant* aResult,
1.713 + bool* aSuccess)
1.714 +{
1.715 + AssertPluginThread();
1.716 +
1.717 + if (mInvalidated) {
1.718 + NS_WARNING("Calling AnswerInvokeDefault with an invalidated object!");
1.719 + *aResult = void_t();
1.720 + *aSuccess = false;
1.721 + return true;
1.722 + }
1.723 +
1.724 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.725 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.726 +
1.727 + if (!(mObject->_class && mObject->_class->invokeDefault)) {
1.728 + *aResult = void_t();
1.729 + *aSuccess = false;
1.730 + return true;
1.731 + }
1.732 +
1.733 + AutoFallibleTArray<NPVariant, 10> convertedArgs;
1.734 + uint32_t argCount = aArgs.Length();
1.735 +
1.736 + if (!convertedArgs.SetLength(argCount)) {
1.737 + *aResult = void_t();
1.738 + *aSuccess = false;
1.739 + return true;
1.740 + }
1.741 +
1.742 + for (uint32_t index = 0; index < argCount; index++) {
1.743 + ConvertToVariant(aArgs[index], convertedArgs[index]);
1.744 + }
1.745 +
1.746 + NPVariant result;
1.747 + VOID_TO_NPVARIANT(result);
1.748 + bool success = mObject->_class->invokeDefault(mObject,
1.749 + convertedArgs.Elements(),
1.750 + argCount, &result);
1.751 +
1.752 + for (uint32_t index = 0; index < argCount; index++) {
1.753 + PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
1.754 + }
1.755 +
1.756 + if (!success) {
1.757 + *aResult = void_t();
1.758 + *aSuccess = false;
1.759 + return true;
1.760 + }
1.761 +
1.762 + Variant convertedResult;
1.763 + success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
1.764 + false);
1.765 +
1.766 + DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
1.767 +
1.768 + if (!success) {
1.769 + *aResult = void_t();
1.770 + *aSuccess = false;
1.771 + return true;
1.772 + }
1.773 +
1.774 + *aResult = convertedResult;
1.775 + *aSuccess = true;
1.776 + return true;
1.777 +}
1.778 +
1.779 +bool
1.780 +PluginScriptableObjectChild::AnswerHasProperty(PPluginIdentifierChild* aId,
1.781 + bool* aHasProperty)
1.782 +{
1.783 + AssertPluginThread();
1.784 +
1.785 + if (mInvalidated) {
1.786 + NS_WARNING("Calling AnswerHasProperty with an invalidated object!");
1.787 + *aHasProperty = false;
1.788 + return true;
1.789 + }
1.790 +
1.791 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.792 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.793 +
1.794 + if (!(mObject->_class && mObject->_class->hasProperty)) {
1.795 + *aHasProperty = false;
1.796 + return true;
1.797 + }
1.798 +
1.799 + PluginIdentifierChild::StackIdentifier id(aId);
1.800 + *aHasProperty = mObject->_class->hasProperty(mObject, id->ToNPIdentifier());
1.801 + return true;
1.802 +}
1.803 +
1.804 +bool
1.805 +PluginScriptableObjectChild::AnswerGetChildProperty(PPluginIdentifierChild* aId,
1.806 + bool* aHasProperty,
1.807 + bool* aHasMethod,
1.808 + Variant* aResult,
1.809 + bool* aSuccess)
1.810 +{
1.811 + AssertPluginThread();
1.812 +
1.813 + *aHasProperty = *aHasMethod = *aSuccess = false;
1.814 + *aResult = void_t();
1.815 +
1.816 + if (mInvalidated) {
1.817 + NS_WARNING("Calling AnswerGetProperty with an invalidated object!");
1.818 + return true;
1.819 + }
1.820 +
1.821 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.822 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.823 +
1.824 + if (!(mObject->_class && mObject->_class->hasProperty &&
1.825 + mObject->_class->hasMethod && mObject->_class->getProperty)) {
1.826 + return true;
1.827 + }
1.828 +
1.829 + PluginIdentifierChild::StackIdentifier stackID(aId);
1.830 + NPIdentifier id = stackID->ToNPIdentifier();
1.831 +
1.832 + *aHasProperty = mObject->_class->hasProperty(mObject, id);
1.833 + *aHasMethod = mObject->_class->hasMethod(mObject, id);
1.834 +
1.835 + if (*aHasProperty) {
1.836 + NPVariant result;
1.837 + VOID_TO_NPVARIANT(result);
1.838 +
1.839 + if (!mObject->_class->getProperty(mObject, id, &result)) {
1.840 + return true;
1.841 + }
1.842 +
1.843 + Variant converted;
1.844 + if ((*aSuccess = ConvertToRemoteVariant(result, converted, GetInstance(),
1.845 + false))) {
1.846 + DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
1.847 + *aResult = converted;
1.848 + }
1.849 + }
1.850 +
1.851 + return true;
1.852 +}
1.853 +
1.854 +bool
1.855 +PluginScriptableObjectChild::AnswerSetProperty(PPluginIdentifierChild* aId,
1.856 + const Variant& aValue,
1.857 + bool* aSuccess)
1.858 +{
1.859 + AssertPluginThread();
1.860 +
1.861 + if (mInvalidated) {
1.862 + NS_WARNING("Calling AnswerSetProperty with an invalidated object!");
1.863 + *aSuccess = false;
1.864 + return true;
1.865 + }
1.866 +
1.867 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.868 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.869 +
1.870 + if (!(mObject->_class && mObject->_class->hasProperty &&
1.871 + mObject->_class->setProperty)) {
1.872 + *aSuccess = false;
1.873 + return true;
1.874 + }
1.875 +
1.876 + PluginIdentifierChild::StackIdentifier stackID(aId);
1.877 + NPIdentifier id = stackID->ToNPIdentifier();
1.878 +
1.879 + if (!mObject->_class->hasProperty(mObject, id)) {
1.880 + *aSuccess = false;
1.881 + return true;
1.882 + }
1.883 +
1.884 + NPVariant converted;
1.885 + ConvertToVariant(aValue, converted);
1.886 +
1.887 + if ((*aSuccess = mObject->_class->setProperty(mObject, id, &converted))) {
1.888 + PluginModuleChild::sBrowserFuncs.releasevariantvalue(&converted);
1.889 + }
1.890 + return true;
1.891 +}
1.892 +
1.893 +bool
1.894 +PluginScriptableObjectChild::AnswerRemoveProperty(PPluginIdentifierChild* aId,
1.895 + bool* aSuccess)
1.896 +{
1.897 + AssertPluginThread();
1.898 +
1.899 + if (mInvalidated) {
1.900 + NS_WARNING("Calling AnswerRemoveProperty with an invalidated object!");
1.901 + *aSuccess = false;
1.902 + return true;
1.903 + }
1.904 +
1.905 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.906 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.907 +
1.908 + if (!(mObject->_class && mObject->_class->hasProperty &&
1.909 + mObject->_class->removeProperty)) {
1.910 + *aSuccess = false;
1.911 + return true;
1.912 + }
1.913 +
1.914 + PluginIdentifierChild::StackIdentifier stackID(aId);
1.915 + NPIdentifier id = stackID->ToNPIdentifier();
1.916 + *aSuccess = mObject->_class->hasProperty(mObject, id) ?
1.917 + mObject->_class->removeProperty(mObject, id) :
1.918 + true;
1.919 +
1.920 + return true;
1.921 +}
1.922 +
1.923 +bool
1.924 +PluginScriptableObjectChild::AnswerEnumerate(InfallibleTArray<PPluginIdentifierChild*>* aProperties,
1.925 + bool* aSuccess)
1.926 +{
1.927 + AssertPluginThread();
1.928 +
1.929 + if (mInvalidated) {
1.930 + NS_WARNING("Calling AnswerEnumerate with an invalidated object!");
1.931 + *aSuccess = false;
1.932 + return true;
1.933 + }
1.934 +
1.935 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.936 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.937 +
1.938 + if (!(mObject->_class && mObject->_class->enumerate)) {
1.939 + *aSuccess = false;
1.940 + return true;
1.941 + }
1.942 +
1.943 + NPIdentifier* ids;
1.944 + uint32_t idCount;
1.945 + if (!mObject->_class->enumerate(mObject, &ids, &idCount)) {
1.946 + *aSuccess = false;
1.947 + return true;
1.948 + }
1.949 +
1.950 + aProperties->SetCapacity(idCount);
1.951 +
1.952 + for (uint32_t index = 0; index < idCount; index++) {
1.953 + PluginIdentifierChild* id = static_cast<PluginIdentifierChild*>(ids[index]);
1.954 + aProperties->AppendElement(id);
1.955 + }
1.956 +
1.957 + PluginModuleChild::sBrowserFuncs.memfree(ids);
1.958 + *aSuccess = true;
1.959 + return true;
1.960 +}
1.961 +
1.962 +bool
1.963 +PluginScriptableObjectChild::AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
1.964 + Variant* aResult,
1.965 + bool* aSuccess)
1.966 +{
1.967 + AssertPluginThread();
1.968 +
1.969 + if (mInvalidated) {
1.970 + NS_WARNING("Calling AnswerConstruct with an invalidated object!");
1.971 + *aResult = void_t();
1.972 + *aSuccess = false;
1.973 + return true;
1.974 + }
1.975 +
1.976 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.977 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.978 +
1.979 + if (!(mObject->_class && mObject->_class->construct)) {
1.980 + *aResult = void_t();
1.981 + *aSuccess = false;
1.982 + return true;
1.983 + }
1.984 +
1.985 + AutoFallibleTArray<NPVariant, 10> convertedArgs;
1.986 + uint32_t argCount = aArgs.Length();
1.987 +
1.988 + if (!convertedArgs.SetLength(argCount)) {
1.989 + *aResult = void_t();
1.990 + *aSuccess = false;
1.991 + return true;
1.992 + }
1.993 +
1.994 + for (uint32_t index = 0; index < argCount; index++) {
1.995 + ConvertToVariant(aArgs[index], convertedArgs[index]);
1.996 + }
1.997 +
1.998 + NPVariant result;
1.999 + VOID_TO_NPVARIANT(result);
1.1000 + bool success = mObject->_class->construct(mObject, convertedArgs.Elements(),
1.1001 + argCount, &result);
1.1002 +
1.1003 + for (uint32_t index = 0; index < argCount; index++) {
1.1004 + PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
1.1005 + }
1.1006 +
1.1007 + if (!success) {
1.1008 + *aResult = void_t();
1.1009 + *aSuccess = false;
1.1010 + return true;
1.1011 + }
1.1012 +
1.1013 + Variant convertedResult;
1.1014 + success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
1.1015 + false);
1.1016 +
1.1017 + DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
1.1018 +
1.1019 + if (!success) {
1.1020 + *aResult = void_t();
1.1021 + *aSuccess = false;
1.1022 + return true;
1.1023 + }
1.1024 +
1.1025 + *aResult = convertedResult;
1.1026 + *aSuccess = true;
1.1027 + return true;
1.1028 +}
1.1029 +
1.1030 +bool
1.1031 +PluginScriptableObjectChild::RecvProtect()
1.1032 +{
1.1033 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.1034 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.1035 +
1.1036 + Protect();
1.1037 + return true;
1.1038 +}
1.1039 +
1.1040 +bool
1.1041 +PluginScriptableObjectChild::RecvUnprotect()
1.1042 +{
1.1043 + NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
1.1044 + NS_ASSERTION(mType == LocalObject, "Bad type!");
1.1045 +
1.1046 + Unprotect();
1.1047 + return true;
1.1048 +}
1.1049 +
1.1050 +bool
1.1051 +PluginScriptableObjectChild::Evaluate(NPString* aScript,
1.1052 + NPVariant* aResult)
1.1053 +{
1.1054 + nsDependentCString script("");
1.1055 + if (aScript->UTF8Characters && aScript->UTF8Length) {
1.1056 + script.Rebind(aScript->UTF8Characters, aScript->UTF8Length);
1.1057 + }
1.1058 +
1.1059 + bool success;
1.1060 + Variant result;
1.1061 + CallNPN_Evaluate(script, &result, &success);
1.1062 +
1.1063 + if (!success) {
1.1064 + return false;
1.1065 + }
1.1066 +
1.1067 + ConvertToVariant(result, *aResult);
1.1068 + return true;
1.1069 +}
