1 : /* ***** BEGIN LICENSE BLOCK *****
2 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 : *
4 : * The contents of this file are subject to the Mozilla Public License Version
5 : * 1.1 (the "License"); you may not use this file except in compliance with
6 : * the License. You may obtain a copy of the License at
7 : * http://www.mozilla.org/MPL/
8 : *
9 : * Software distributed under the License is distributed on an "AS IS" basis,
10 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 : * for the specific language governing rights and limitations under the
12 : * License.
13 : *
14 : * The Original Code is HTML Parser C++ Translator code.
15 : *
16 : * The Initial Developer of the Original Code is
17 : * Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2009
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Henri Sivonen <hsivonen@iki.fi>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "nsHtml5TreeOpStage.h"
39 :
40 12 : nsHtml5TreeOpStage::nsHtml5TreeOpStage()
41 12 : : mMutex("nsHtml5TreeOpStage mutex")
42 : {
43 12 : }
44 :
45 12 : nsHtml5TreeOpStage::~nsHtml5TreeOpStage()
46 : {
47 24 : }
48 :
49 : void
50 0 : nsHtml5TreeOpStage::MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue)
51 : {
52 0 : mozilla::MutexAutoLock autoLock(mMutex);
53 0 : if (mOpQueue.IsEmpty()) {
54 0 : mOpQueue.SwapElements(aOpQueue);
55 : } else {
56 0 : mOpQueue.MoveElementsFrom(aOpQueue);
57 : }
58 0 : }
59 :
60 : void
61 0 : nsHtml5TreeOpStage::MoveOpsAndSpeculativeLoadsTo(nsTArray<nsHtml5TreeOperation>& aOpQueue,
62 : nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
63 : {
64 0 : mozilla::MutexAutoLock autoLock(mMutex);
65 0 : if (aOpQueue.IsEmpty()) {
66 0 : mOpQueue.SwapElements(aOpQueue);
67 : } else {
68 0 : aOpQueue.MoveElementsFrom(mOpQueue);
69 : }
70 0 : if (aSpeculativeLoadQueue.IsEmpty()) {
71 0 : mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
72 : } else {
73 0 : aSpeculativeLoadQueue.MoveElementsFrom(mSpeculativeLoadQueue);
74 : }
75 0 : }
76 :
77 : void
78 0 : nsHtml5TreeOpStage::MoveSpeculativeLoadsFrom(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
79 : {
80 0 : mozilla::MutexAutoLock autoLock(mMutex);
81 0 : if (mSpeculativeLoadQueue.IsEmpty()) {
82 0 : mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
83 : } else {
84 0 : mSpeculativeLoadQueue.MoveElementsFrom(aSpeculativeLoadQueue);
85 : }
86 0 : }
87 :
88 : void
89 234 : nsHtml5TreeOpStage::MoveSpeculativeLoadsTo(nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
90 : {
91 468 : mozilla::MutexAutoLock autoLock(mMutex);
92 234 : if (aSpeculativeLoadQueue.IsEmpty()) {
93 234 : mSpeculativeLoadQueue.SwapElements(aSpeculativeLoadQueue);
94 : } else {
95 0 : aSpeculativeLoadQueue.MoveElementsFrom(mSpeculativeLoadQueue);
96 : }
97 234 : }
98 :
99 : #ifdef DEBUG
100 : void
101 234 : nsHtml5TreeOpStage::AssertEmpty()
102 : {
103 468 : mozilla::MutexAutoLock autoLock(mMutex);
104 : // This shouldn't really need the mutex
105 234 : NS_ASSERTION(mOpQueue.IsEmpty(), "The stage was supposed to be empty.");
106 234 : }
107 : #endif
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