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dom/plugins/ipc/PluginIdentifierChild.cpp@b8a032363ba2 (annotated)

dom/plugins/ipc/PluginIdentifierChild.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0	2	* vim: sw=2 ts=2 et :
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "PluginIdentifierChild.h"
michael@0	8	#include "PluginModuleChild.h"
michael@0	9
michael@0	10	namespace mozilla {
michael@0	11	namespace plugins {
michael@0	12
michael@0	13	void
michael@0	14	PluginIdentifierChild::MakePermanent()
michael@0	15	{
michael@0	16	if (mCanonicalIdentifier) {
michael@0	17	NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0	18	"Canonical identifiers should always be permanent.");
michael@0	19	return; // nothing to do
michael@0	20	}
michael@0	21
michael@0	22	if (!mHashed) {
michael@0	23	NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
michael@0	24
michael@0	25	PluginIdentifierChild* c = GetCanonical();
michael@0	26	if (c) {
michael@0	27	NS_ASSERTION(c != this, "How did I get in the hash?");
michael@0	28	mCanonicalIdentifier = c;
michael@0	29	NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0	30	"Canonical identifiers should always be permanent.");
michael@0	31	return;
michael@0	32	}
michael@0	33
michael@0	34	Hash();
michael@0	35	mHashed = true;
michael@0	36	return;
michael@0	37	}
michael@0	38
michael@0	39	if (mTemporaryRefs) {
michael@0	40	SendRetain();
michael@0	41	mTemporaryRefs = 0;
michael@0	42	}
michael@0	43	}
michael@0	44
michael@0	45	void
michael@0	46	PluginIdentifierChild::StartTemporary()
michael@0	47	{
michael@0	48	if (mCanonicalIdentifier) {
michael@0	49	NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0	50	"Canonical identifiers should always be permanent.");
michael@0	51	return; // nothing to do
michael@0	52	}
michael@0	53
michael@0	54	if (!mHashed) {
michael@0	55	NS_ASSERTION(mTemporaryRefs == 0, "Not hashed, but temporary refs?");
michael@0	56
michael@0	57	PluginIdentifierChild* c = GetCanonical();
michael@0	58	if (c) {
michael@0	59	NS_ASSERTION(c != this, "How did I get in the hash?");
michael@0	60	mCanonicalIdentifier = c;
michael@0	61	NS_ASSERTION(mCanonicalIdentifier->mHashed && mCanonicalIdentifier->mTemporaryRefs == 0,
michael@0	62	"Canonical identifiers should always be permanent.");
michael@0	63	return;
michael@0	64	}
michael@0	65
michael@0	66	Hash();
michael@0	67	mHashed = true;
michael@0	68	mTemporaryRefs = 1;
michael@0	69	return;
michael@0	70	}
michael@0	71
michael@0	72	if (mTemporaryRefs)
michael@0	73	++mTemporaryRefs;
michael@0	74	}
michael@0	75
michael@0	76	void
michael@0	77	PluginIdentifierChild::FinishTemporary()
michael@0	78	{
michael@0	79	if (mCanonicalIdentifier)
michael@0	80	return;
michael@0	81
michael@0	82	NS_ASSERTION(mHashed, "Finishing unhashed identifier?");
michael@0	83	if (!mTemporaryRefs)
michael@0	84	return;
michael@0	85
michael@0	86	--mTemporaryRefs;
michael@0	87	if (mTemporaryRefs)
michael@0	88	return;
michael@0	89
michael@0	90	Unhash();
michael@0	91	mHashed = false;
michael@0	92	}
michael@0	93
michael@0	94	PluginIdentifierChild*
michael@0	95	PluginIdentifierChildString::GetCanonical()
michael@0	96	{
michael@0	97	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	98	return module->mStringIdentifiers.Get(mString);
michael@0	99	}
michael@0	100
michael@0	101	void
michael@0	102	PluginIdentifierChildString::Hash()
michael@0	103	{
michael@0	104	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	105	NS_ASSERTION(module->mStringIdentifiers.Get(mString) == nullptr, "Replacing Hash?");
michael@0	106	module->mStringIdentifiers.Put(mString, this);
michael@0	107	}
michael@0	108
michael@0	109	void
michael@0	110	PluginIdentifierChildString::Unhash()
michael@0	111	{
michael@0	112	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	113	NS_ASSERTION(module->mStringIdentifiers.Get(mString) == this, "Incorrect identifier hash?");
michael@0	114	module->mStringIdentifiers.Remove(mString);
michael@0	115	}
michael@0	116
michael@0	117	PluginIdentifierChild*
michael@0	118	PluginIdentifierChildInt::GetCanonical()
michael@0	119	{
michael@0	120	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	121	return module->mIntIdentifiers.Get(mInt);
michael@0	122	}
michael@0	123
michael@0	124	void
michael@0	125	PluginIdentifierChildInt::Hash()
michael@0	126	{
michael@0	127	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	128	NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == nullptr, "Replacing Hash?");
michael@0	129	module->mIntIdentifiers.Put(mInt, this);
michael@0	130	}
michael@0	131
michael@0	132	void
michael@0	133	PluginIdentifierChildInt::Unhash()
michael@0	134	{
michael@0	135	PluginModuleChild* module = static_cast<PluginModuleChild*>(Manager());
michael@0	136	NS_ASSERTION(module->mIntIdentifiers.Get(mInt) == this, "Incorrect identifier hash?");
michael@0	137	module->mIntIdentifiers.Remove(mInt);
michael@0	138	}
michael@0	139
michael@0	140	} // namespace mozilla::plugins
michael@0	141	} // namespace mozilla