1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginIdentifierChild.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,141 @@
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 "PluginIdentifierChild.h"
1.11 +#include "PluginModuleChild.h"
1.12 +
1.13 +namespace mozilla {
1.14 +namespace plugins {
1.15 +
1.16 +void
1.17 +PluginIdentifierChild::MakePermanent()
1.18 +{
1.19 + if (mCanonicalIdentifier) {
1.20 + NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
1.21 + "Canonical identifiers should always be permanent.");
1.22 + return; // nothing to do
1.23 + }
1.24 +
1.25 + if (!mHashed) {
1.26 + NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
1.27 +
1.28 + PluginIdentifierChild* c = GetCanonical();
1.29 + if (c) {
1.30 + NS_ASSERTION(c != this, "How did I get in the hash?");
1.31 + mCanonicalIdentifier = c;
1.32 + NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
1.33 + "Canonical identifiers should always be permanent.");
1.34 + return;
1.35 + }
1.36 +
1.37 + Hash();
1.38 + mHashed = true;
1.39 + return;
1.40 + }
1.41 +
1.42 + if (mTemporaryRefs) {
1.43 + SendRetain();
1.44 + mTemporaryRefs = 0;
1.45 + }
1.46 +}
1.47 +
1.48 +void
1.49 +PluginIdentifierChild::StartTemporary()
1.50 +{
1.51 + if (mCanonicalIdentifier) {
1.52 + NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
1.53 + "Canonical identifiers should always be permanent.");
1.54 + return; // nothing to do
1.55 + }
1.56 +
1.57 + if (!mHashed) {
1.58 + NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
1.59 +
1.60 + PluginIdentifierChild* c = GetCanonical();
1.61 + if (c) {
1.62 + NS_ASSERTION(c != this, "How did I get in the hash?");
1.63 + mCanonicalIdentifier = c;
1.64 + NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
1.65 + "Canonical identifiers should always be permanent.");
1.66 + return;
1.67 + }
1.68 +
1.69 + Hash();
1.70 + mHashed = true;
1.71 + mTemporaryRefs = 1;
1.72 + return;
1.73 + }
1.74 +
1.75 + if (mTemporaryRefs)
1.76 + ++mTemporaryRefs;
1.77 +}
1.78 +
1.79 +void
1.80 +PluginIdentifierChild::FinishTemporary()
1.81 +{
1.82 + if (mCanonicalIdentifier)
1.83 + return;
1.84 +
1.85 + NS_ASSERTION(mHashed, "Finishing unhashed identifier?");
1.86 + if (!mTemporaryRefs)
1.87 + return;
1.88 +
1.89 + --mTemporaryRefs;
1.90 + if (mTemporaryRefs)
1.91 + return;
1.92 +
1.93 + Unhash();
1.94 + mHashed = false;
1.95 +}
1.96 +
1.97 +PluginIdentifierChild*
1.98 +PluginIdentifierChildString::GetCanonical()
1.99 +{
1.100 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.101 + return module->mStringIdentifiers.Get(mString);
1.102 +}
1.103 +
1.104 +void
1.105 +PluginIdentifierChildString::Hash()
1.106 +{
1.107 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.108 + NS_ASSERTION(module->mStringIdentifiers.Get(mString) == nullptr, "Replacing Hash?");
1.109 + module->mStringIdentifiers.Put(mString, this);
1.110 +}
1.111 +
1.112 +void
1.113 +PluginIdentifierChildString::Unhash()
1.114 +{
1.115 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.116 + NS_ASSERTION(module->mStringIdentifiers.Get(mString) == this, "Incorrect identifier hash?");
1.117 + module->mStringIdentifiers.Remove(mString);
1.118 +}
1.119 +
1.120 +PluginIdentifierChild*
1.121 +PluginIdentifierChildInt::GetCanonical()
1.122 +{
1.123 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.124 + return module->mIntIdentifiers.Get(mInt);
1.125 +}
1.126 +
1.127 +void
1.128 +PluginIdentifierChildInt::Hash()
1.129 +{
1.130 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.131 + NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == nullptr, "Replacing Hash?");
1.132 + module->mIntIdentifiers.Put(mInt, this);
1.133 +}
1.134 +
1.135 +void
1.136 +PluginIdentifierChildInt::Unhash()
1.137 +{
1.138 + PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
1.139 + NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == this, "Incorrect identifier hash?");
1.140 + module->mIntIdentifiers.Remove(mInt);
1.141 +}
1.142 +
1.143 +} // namespace mozilla::plugins
1.144 +} // namespace mozilla
