mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
96a8226f5a
It seems like the sizes for these data structures can be controlled from Web content, and we are already prepared to deal with OOM conditions, except that we are using infallible allocations by mistake.
1067 lines
29 KiB
C++
1067 lines
29 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 "PluginScriptableObjectChild.h"
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#include "PluginScriptableObjectUtils.h"
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#include "PluginIdentifierChild.h"
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using namespace mozilla::plugins;
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// static
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NPObject*
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PluginScriptableObjectChild::ScriptableAllocate(NPP aInstance,
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NPClass* aClass)
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{
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AssertPluginThread();
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if (aClass != GetClass()) {
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NS_RUNTIMEABORT("Huh?! Wrong class!");
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}
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return new ChildNPObject();
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}
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// static
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void
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PluginScriptableObjectChild::ScriptableInvalidate(NPObject* aObject)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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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}
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// static
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void
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PluginScriptableObjectChild::ScriptableDeallocate(NPObject* aObject)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(aObject);
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PluginScriptableObjectChild* 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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PluginScriptableObjectChild::ScriptableHasMethod(NPObject* aObject,
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NPIdentifier aName)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool result;
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actor->CallHasMethod(static_cast<PPluginIdentifierChild*>(aName), &result);
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return result;
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}
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// static
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bool
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PluginScriptableObjectChild::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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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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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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actor->CallInvoke(static_cast<PPluginIdentifierChild*>(aName), args,
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&remoteResult, &success);
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if (!success) {
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return false;
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}
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ConvertToVariant(remoteResult, *aResult);
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return true;
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}
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// static
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bool
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PluginScriptableObjectChild::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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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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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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actor->CallInvokeDefault(args, &remoteResult, &success);
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if (!success) {
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return false;
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}
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ConvertToVariant(remoteResult, *aResult);
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return true;
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}
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// static
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bool
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PluginScriptableObjectChild::ScriptableHasProperty(NPObject* aObject,
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NPIdentifier aName)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool result;
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actor->CallHasProperty(static_cast<PPluginIdentifierChild*>(aName), &result);
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return result;
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}
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// static
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bool
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PluginScriptableObjectChild::ScriptableGetProperty(NPObject* aObject,
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NPIdentifier aName,
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NPVariant* aResult)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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Variant result;
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bool success;
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actor->CallGetParentProperty(static_cast<PPluginIdentifierChild*>(aName),
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&result, &success);
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if (!success) {
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return false;
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}
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ConvertToVariant(result, *aResult);
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return true;
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}
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// static
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bool
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PluginScriptableObjectChild::ScriptableSetProperty(NPObject* aObject,
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NPIdentifier aName,
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const NPVariant* aValue)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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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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actor->CallSetProperty(static_cast<PPluginIdentifierChild*>(aName), value,
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&success);
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return success;
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}
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// static
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bool
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PluginScriptableObjectChild::ScriptableRemoveProperty(NPObject* aObject,
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NPIdentifier aName)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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bool success;
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actor->CallRemoveProperty(static_cast<PPluginIdentifierChild*>(aName),
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&success);
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return success;
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}
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// static
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bool
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PluginScriptableObjectChild::ScriptableEnumerate(NPObject* aObject,
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NPIdentifier** aIdentifiers,
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uint32_t* aCount)
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{
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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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NS_ASSERTION(actor->Type() == Proxy, "Bad type!");
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AutoInfallibleTArray<PPluginIdentifierChild*, 10> identifiers;
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bool success;
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actor->CallEnumerate(&identifiers, &success);
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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 = nullptr;
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return true;
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}
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*aIdentifiers = reinterpret_cast<NPIdentifier*>(
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PluginModuleChild::sBrowserFuncs.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 (uint32_t index = 0; index < *aCount; index++) {
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(*aIdentifiers)[index] =
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static_cast<PPluginIdentifierChild*>(identifiers[index]);
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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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PluginScriptableObjectChild::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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AssertPluginThread();
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if (aObject->_class != GetClass()) {
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NS_RUNTIMEABORT("Don't know what kind of object this is!");
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}
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ChildNPObject* object = reinterpret_cast<ChildNPObject*>(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<PluginScriptableObjectChild> actor(object->parent);
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NS_ASSERTION(actor, "This shouldn't ever be null!");
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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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actor->CallConstruct(args, &remoteResult, &success);
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if (!success) {
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return false;
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}
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ConvertToVariant(remoteResult, *aResult);
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return true;
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}
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const NPClass PluginScriptableObjectChild::sNPClass = {
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NP_CLASS_STRUCT_VERSION,
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PluginScriptableObjectChild::ScriptableAllocate,
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PluginScriptableObjectChild::ScriptableDeallocate,
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PluginScriptableObjectChild::ScriptableInvalidate,
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PluginScriptableObjectChild::ScriptableHasMethod,
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PluginScriptableObjectChild::ScriptableInvoke,
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PluginScriptableObjectChild::ScriptableInvokeDefault,
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PluginScriptableObjectChild::ScriptableHasProperty,
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PluginScriptableObjectChild::ScriptableGetProperty,
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PluginScriptableObjectChild::ScriptableSetProperty,
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PluginScriptableObjectChild::ScriptableRemoveProperty,
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PluginScriptableObjectChild::ScriptableEnumerate,
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PluginScriptableObjectChild::ScriptableConstruct
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};
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PluginScriptableObjectChild::PluginScriptableObjectChild(
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ScriptableObjectType aType)
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: mInstance(nullptr),
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mObject(nullptr),
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mInvalidated(false),
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mProtectCount(0),
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mType(aType)
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{
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AssertPluginThread();
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}
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PluginScriptableObjectChild::~PluginScriptableObjectChild()
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{
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AssertPluginThread();
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if (mObject) {
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PluginModuleChild::current()->UnregisterActorForNPObject(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<ChildNPObject*>(mObject)->parent = nullptr;
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}
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else {
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NS_ASSERTION(mType == LocalObject, "Wrong type!");
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PluginModuleChild::sBrowserFuncs.releaseobject(mObject);
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}
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}
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}
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void
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PluginScriptableObjectChild::InitializeProxy()
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{
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AssertPluginThread();
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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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NS_ASSERTION(!mInvalidated, "Already invalidated?!");
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mInstance = static_cast<PluginInstanceChild*>(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 (!PluginModuleChild::current()->RegisterActorForNPObject(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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PluginScriptableObjectChild::InitializeLocal(NPObject* aObject)
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{
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AssertPluginThread();
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NS_ASSERTION(mType == LocalObject, "Bad type!");
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NS_ASSERTION(!mObject, "Calling Initialize more than once!");
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NS_ASSERTION(!mInvalidated, "Already invalidated?!");
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mInstance = static_cast<PluginInstanceChild*>(Manager());
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NS_ASSERTION(mInstance, "Null manager?!");
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PluginModuleChild::sBrowserFuncs.retainobject(aObject);
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NS_ASSERTION(!mProtectCount, "Should be zero!");
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mProtectCount++;
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if (!PluginModuleChild::current()->RegisterActorForNPObject(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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PluginScriptableObjectChild::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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NPClass* proxyClass = const_cast<NPClass*>(GetClass());
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NPObject* npobject =
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PluginModuleChild::sBrowserFuncs.createobject(mInstance->GetNPP(),
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proxyClass);
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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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ChildNPObject* object = static_cast<ChildNPObject*>(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, "NPObject");
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object->parent = const_cast<PluginScriptableObjectChild*>(this);
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return object;
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}
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bool
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PluginScriptableObjectChild::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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NPObject* object = CreateProxyObject();
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if (!object) {
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NS_WARNING("Failed to create object!");
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return false;
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}
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InitializeProxy();
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NS_ASSERTION(mObject, "Initialize failed!");
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SendProtect();
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return true;
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}
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NPObject*
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PluginScriptableObjectChild::GetObject(bool aCanResurrect)
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{
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if (!mObject && aCanResurrect && !ResurrectProxyObject()) {
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NS_ERROR("Null object!");
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return nullptr;
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}
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return mObject;
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}
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|
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void
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PluginScriptableObjectChild::Protect()
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{
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NS_ASSERTION(mObject, "No object!");
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NS_ASSERTION(mProtectCount >= 0, "Negative retain count?!");
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|
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if (mType == LocalObject) {
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++mProtectCount;
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}
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}
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|
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void
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PluginScriptableObjectChild::Unprotect()
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{
|
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NS_ASSERTION(mObject, "Bad state!");
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NS_ASSERTION(mProtectCount >= 0, "Negative retain count?!");
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if (mType == LocalObject) {
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if (--mProtectCount == 0) {
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PluginScriptableObjectChild::Send__delete__(this);
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}
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}
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}
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|
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void
|
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PluginScriptableObjectChild::DropNPObject()
|
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{
|
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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.
|
|
PluginModuleChild::current()->UnregisterActorForNPObject(mObject);
|
|
mObject = nullptr;
|
|
|
|
SendUnprotect();
|
|
}
|
|
|
|
void
|
|
PluginScriptableObjectChild::NPObjectDestroyed()
|
|
{
|
|
NS_ASSERTION(LocalObject == mType,
|
|
"ScriptableDeallocate should have handled this for proxies");
|
|
mInvalidated = true;
|
|
mObject = nullptr;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerInvalidate()
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
return true;
|
|
}
|
|
|
|
mInvalidated = true;
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
if (mObject->_class && mObject->_class->invalidate) {
|
|
mObject->_class->invalidate(mObject);
|
|
}
|
|
|
|
Unprotect();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerHasMethod(PPluginIdentifierChild* aId,
|
|
bool* aHasMethod)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->hasMethod)) {
|
|
*aHasMethod = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierChild::StackIdentifier id(aId);
|
|
*aHasMethod = mObject->_class->hasMethod(mObject, id->ToNPIdentifier());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerInvoke(PPluginIdentifierChild* aId,
|
|
const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->invoke)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
AutoFallibleTArray<NPVariant, 10> convertedArgs;
|
|
uint32_t argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
ConvertToVariant(aArgs[index], convertedArgs[index]);
|
|
}
|
|
|
|
NPVariant result;
|
|
VOID_TO_NPVARIANT(result);
|
|
PluginIdentifierChild::StackIdentifier id(aId);
|
|
bool success = mObject->_class->invoke(mObject, id->ToNPIdentifier(),
|
|
convertedArgs.Elements(), argCount,
|
|
&result);
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
|
|
false);
|
|
|
|
DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aSuccess = true;
|
|
*aResult = convertedResult;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerInvokeDefault(const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
NS_WARNING("Calling AnswerInvokeDefault 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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->invokeDefault)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
AutoFallibleTArray<NPVariant, 10> convertedArgs;
|
|
uint32_t argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
ConvertToVariant(aArgs[index], convertedArgs[index]);
|
|
}
|
|
|
|
NPVariant result;
|
|
VOID_TO_NPVARIANT(result);
|
|
bool success = mObject->_class->invokeDefault(mObject,
|
|
convertedArgs.Elements(),
|
|
argCount, &result);
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
|
|
false);
|
|
|
|
DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aResult = convertedResult;
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerHasProperty(PPluginIdentifierChild* aId,
|
|
bool* aHasProperty)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->hasProperty)) {
|
|
*aHasProperty = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierChild::StackIdentifier id(aId);
|
|
*aHasProperty = mObject->_class->hasProperty(mObject, id->ToNPIdentifier());
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerGetChildProperty(PPluginIdentifierChild* aId,
|
|
bool* aHasProperty,
|
|
bool* aHasMethod,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
*aHasProperty = *aHasMethod = *aSuccess = false;
|
|
*aResult = void_t();
|
|
|
|
if (mInvalidated) {
|
|
NS_WARNING("Calling AnswerGetProperty with an invalidated object!");
|
|
return true;
|
|
}
|
|
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
if (!(mObject->_class && mObject->_class->hasProperty &&
|
|
mObject->_class->hasMethod && mObject->_class->getProperty)) {
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierChild::StackIdentifier stackID(aId);
|
|
NPIdentifier id = stackID->ToNPIdentifier();
|
|
|
|
*aHasProperty = mObject->_class->hasProperty(mObject, id);
|
|
*aHasMethod = mObject->_class->hasMethod(mObject, id);
|
|
|
|
if (*aHasProperty) {
|
|
NPVariant result;
|
|
VOID_TO_NPVARIANT(result);
|
|
|
|
if (!mObject->_class->getProperty(mObject, id, &result)) {
|
|
return true;
|
|
}
|
|
|
|
Variant converted;
|
|
if ((*aSuccess = ConvertToRemoteVariant(result, converted, GetInstance(),
|
|
false))) {
|
|
DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
|
|
*aResult = converted;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerSetProperty(PPluginIdentifierChild* aId,
|
|
const Variant& aValue,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->hasProperty &&
|
|
mObject->_class->setProperty)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierChild::StackIdentifier stackID(aId);
|
|
NPIdentifier id = stackID->ToNPIdentifier();
|
|
|
|
if (!mObject->_class->hasProperty(mObject, id)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NPVariant converted;
|
|
ConvertToVariant(aValue, converted);
|
|
|
|
if ((*aSuccess = mObject->_class->setProperty(mObject, id, &converted))) {
|
|
PluginModuleChild::sBrowserFuncs.releasevariantvalue(&converted);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerRemoveProperty(PPluginIdentifierChild* aId,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->hasProperty &&
|
|
mObject->_class->removeProperty)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
PluginIdentifierChild::StackIdentifier stackID(aId);
|
|
NPIdentifier id = stackID->ToNPIdentifier();
|
|
*aSuccess = mObject->_class->hasProperty(mObject, id) ?
|
|
mObject->_class->removeProperty(mObject, id) :
|
|
true;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerEnumerate(InfallibleTArray<PPluginIdentifierChild*>* aProperties,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->enumerate)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
NPIdentifier* ids;
|
|
uint32_t idCount;
|
|
if (!mObject->_class->enumerate(mObject, &ids, &idCount)) {
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
aProperties->SetCapacity(idCount);
|
|
|
|
for (uint32_t index = 0; index < idCount; index++) {
|
|
PluginIdentifierChild* id = static_cast<PluginIdentifierChild*>(ids[index]);
|
|
aProperties->AppendElement(id);
|
|
}
|
|
|
|
PluginModuleChild::sBrowserFuncs.memfree(ids);
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::AnswerConstruct(const InfallibleTArray<Variant>& aArgs,
|
|
Variant* aResult,
|
|
bool* aSuccess)
|
|
{
|
|
AssertPluginThread();
|
|
|
|
if (mInvalidated) {
|
|
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!");
|
|
|
|
if (!(mObject->_class && mObject->_class->construct)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
AutoFallibleTArray<NPVariant, 10> convertedArgs;
|
|
uint32_t argCount = aArgs.Length();
|
|
|
|
if (!convertedArgs.SetLength(argCount)) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
ConvertToVariant(aArgs[index], convertedArgs[index]);
|
|
}
|
|
|
|
NPVariant result;
|
|
VOID_TO_NPVARIANT(result);
|
|
bool success = mObject->_class->construct(mObject, convertedArgs.Elements(),
|
|
argCount, &result);
|
|
|
|
for (uint32_t index = 0; index < argCount; index++) {
|
|
PluginModuleChild::sBrowserFuncs.releasevariantvalue(&convertedArgs[index]);
|
|
}
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
Variant convertedResult;
|
|
success = ConvertToRemoteVariant(result, convertedResult, GetInstance(),
|
|
false);
|
|
|
|
DeferNPVariantLastRelease(&PluginModuleChild::sBrowserFuncs, &result);
|
|
|
|
if (!success) {
|
|
*aResult = void_t();
|
|
*aSuccess = false;
|
|
return true;
|
|
}
|
|
|
|
*aResult = convertedResult;
|
|
*aSuccess = true;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::RecvProtect()
|
|
{
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
Protect();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::RecvUnprotect()
|
|
{
|
|
NS_ASSERTION(mObject->_class != GetClass(), "Bad object type!");
|
|
NS_ASSERTION(mType == LocalObject, "Bad type!");
|
|
|
|
Unprotect();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
PluginScriptableObjectChild::Evaluate(NPString* aScript,
|
|
NPVariant* aResult)
|
|
{
|
|
nsDependentCString script("");
|
|
if (aScript->UTF8Characters && aScript->UTF8Length) {
|
|
script.Rebind(aScript->UTF8Characters, aScript->UTF8Length);
|
|
}
|
|
|
|
bool success;
|
|
Variant result;
|
|
CallNPN_Evaluate(script, &result, &success);
|
|
|
|
if (!success) {
|
|
return false;
|
|
}
|
|
|
|
ConvertToVariant(result, *aResult);
|
|
return true;
|
|
}
|