gecko-dev/dom/plugins/ipc/PluginIdentifierChild.cpp

175 lines
5.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugins.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "PluginIdentifierChild.h"
#include "PluginModuleChild.h"
namespace mozilla {
namespace plugins {
void
PluginIdentifierChild::MakePermanent()
{
if (mCanonicalIdentifier) {
NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
"Canonical identifiers should always be permanent.");
return; // nothing to do
}
if (!mHashed) {
NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
PluginIdentifierChild* c = GetCanonical();
if (c) {
NS_ASSERTION(c != this, "How did I get in the hash?");
mCanonicalIdentifier = c;
NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
"Canonical identifiers should always be permanent.");
return;
}
Hash();
mHashed = true;
return;
}
if (mTemporaryRefs) {
SendRetain();
mTemporaryRefs = 0;
}
}
void
PluginIdentifierChild::StartTemporary()
{
if (mCanonicalIdentifier) {
NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
"Canonical identifiers should always be permanent.");
return; // nothing to do
}
if (!mHashed) {
NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
PluginIdentifierChild* c = GetCanonical();
if (c) {
NS_ASSERTION(c != this, "How did I get in the hash?");
mCanonicalIdentifier = c;
NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
"Canonical identifiers should always be permanent.");
return;
}
Hash();
mHashed = true;
mTemporaryRefs = 1;
return;
}
if (mTemporaryRefs)
++mTemporaryRefs;
}
void
PluginIdentifierChild::FinishTemporary()
{
if (mCanonicalIdentifier)
return;
NS_ASSERTION(mHashed, "Finishing unhashed identifier?");
if (!mTemporaryRefs)
return;
--mTemporaryRefs;
if (mTemporaryRefs)
return;
Unhash();
mHashed = false;
}
PluginIdentifierChild*
PluginIdentifierChildString::GetCanonical()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
return module->mStringIdentifiers.Get(mString);
}
void
PluginIdentifierChildString::Hash()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
NS_ASSERTION(module->mStringIdentifiers.Get(mString) == NULL, "Replacing Hash?");
module->mStringIdentifiers.Put(mString, this);
}
void
PluginIdentifierChildString::Unhash()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
NS_ASSERTION(module->mStringIdentifiers.Get(mString) == this, "Incorrect identifier hash?");
module->mStringIdentifiers.Remove(mString);
}
PluginIdentifierChild*
PluginIdentifierChildInt::GetCanonical()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
return module->mIntIdentifiers.Get(mInt);
}
void
PluginIdentifierChildInt::Hash()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == NULL, "Replacing Hash?");
module->mIntIdentifiers.Put(mInt, this);
}
void
PluginIdentifierChildInt::Unhash()
{
PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == this, "Incorrect identifier hash?");
module->mIntIdentifiers.Remove(mInt);
}
} // namespace mozilla::plugins
} // namespace mozilla