michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=2 et :
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "PluginIdentifierChild.h"
michael@0: #include "PluginModuleChild.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace plugins {
michael@0: 
michael@0: void
michael@0: PluginIdentifierChild::MakePermanent()
michael@0: {
michael@0:   if (mCanonicalIdentifier) {
michael@0:     NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0:                  "Canonical identifiers should always be permanent.");
michael@0:     return; // nothing to do
michael@0:   }
michael@0: 
michael@0:   if (!mHashed) {
michael@0:     NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
michael@0: 
michael@0:     PluginIdentifierChild* c = GetCanonical();
michael@0:     if (c) {
michael@0:       NS_ASSERTION(c != this, "How did I get in the hash?");
michael@0:       mCanonicalIdentifier = c;
michael@0:       NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0:                    "Canonical identifiers should always be permanent.");
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     Hash();
michael@0:     mHashed = true;
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   if (mTemporaryRefs) {
michael@0:     SendRetain();
michael@0:     mTemporaryRefs = 0;
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChild::StartTemporary()
michael@0: {
michael@0:   if (mCanonicalIdentifier) {
michael@0:     NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0:                  "Canonical identifiers should always be permanent.");
michael@0:     return; // nothing to do
michael@0:   }
michael@0: 
michael@0:   if (!mHashed) {
michael@0:     NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
michael@0: 
michael@0:     PluginIdentifierChild* c = GetCanonical();
michael@0:     if (c) {
michael@0:       NS_ASSERTION(c != this, "How did I get in the hash?");
michael@0:       mCanonicalIdentifier = c;
michael@0:       NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0:                    "Canonical identifiers should always be permanent.");
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     Hash();
michael@0:     mHashed = true;
michael@0:     mTemporaryRefs = 1;
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   if (mTemporaryRefs)
michael@0:     ++mTemporaryRefs;
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChild::FinishTemporary()
michael@0: {
michael@0:   if (mCanonicalIdentifier)
michael@0:     return;
michael@0: 
michael@0:   NS_ASSERTION(mHashed, "Finishing unhashed identifier?");
michael@0:   if (!mTemporaryRefs)
michael@0:     return;
michael@0: 
michael@0:   --mTemporaryRefs;
michael@0:   if (mTemporaryRefs)
michael@0:     return;
michael@0: 
michael@0:   Unhash();
michael@0:   mHashed = false;
michael@0: }
michael@0: 
michael@0: PluginIdentifierChild*
michael@0: PluginIdentifierChildString::GetCanonical()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   return module->mStringIdentifiers.Get(mString);
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChildString::Hash()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   NS_ASSERTION(module->mStringIdentifiers.Get(mString) == nullptr, "Replacing Hash?");
michael@0:   module->mStringIdentifiers.Put(mString, this);
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChildString::Unhash()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   NS_ASSERTION(module->mStringIdentifiers.Get(mString) == this, "Incorrect identifier hash?");
michael@0:   module->mStringIdentifiers.Remove(mString);
michael@0: }
michael@0: 
michael@0: PluginIdentifierChild*
michael@0: PluginIdentifierChildInt::GetCanonical()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   return module->mIntIdentifiers.Get(mInt);
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChildInt::Hash()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == nullptr, "Replacing Hash?");
michael@0:   module->mIntIdentifiers.Put(mInt, this);
michael@0: }
michael@0: 
michael@0: void
michael@0: PluginIdentifierChildInt::Unhash()
michael@0: {
michael@0:   PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0:   NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == this, "Incorrect identifier hash?");
michael@0:   module->mIntIdentifiers.Remove(mInt);
michael@0: }
michael@0: 
michael@0: } // namespace mozilla::plugins
michael@0: } // namespace mozilla