1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebInspectorUtilities.h"
28
29#include "APIProcessPoolConfiguration.h"
30#include "WebPageGroup.h"
31#include "WebPageProxy.h"
32#include "WebProcessPool.h"
33#include "WebProcessProxy.h"
34#include <wtf/HashMap.h>
35#include <wtf/NeverDestroyed.h>
36#include <wtf/text/StringConcatenateNumbers.h>
37
38namespace WebKit {
39
40typedef HashMap<WebPageProxy*, unsigned> PageLevelMap;
41
42static PageLevelMap& pageLevelMap()
43{
44 static NeverDestroyed<PageLevelMap> map;
45 return map;
46}
47
48unsigned inspectorLevelForPage(WebPageProxy* page)
49{
50 if (page) {
51 auto findResult = pageLevelMap().find(page);
52 if (findResult != pageLevelMap().end())
53 return findResult->value + 1;
54 }
55
56 return 1;
57}
58
59String inspectorPageGroupIdentifierForPage(WebPageProxy* page)
60{
61 return makeString("__WebInspectorPageGroupLevel", inspectorLevelForPage(page), "__");
62}
63
64void trackInspectorPage(WebPageProxy* inspectorPage, WebPageProxy* inspectedPage)
65{
66 pageLevelMap().set(inspectorPage, inspectorLevelForPage(inspectedPage));
67}
68
69void untrackInspectorPage(WebPageProxy* inspectorPage)
70{
71 pageLevelMap().remove(inspectorPage);
72}
73
74static WebProcessPool* s_mainInspectorProcessPool;
75static WebProcessPool* s_nestedInspectorProcessPool;
76
77WebProcessPool& inspectorProcessPool(unsigned inspectionLevel)
78{
79 // Having our own process pool removes us from the main process pool and
80 // guarantees no process sharing for our user interface.
81 WebProcessPool*& pool = (inspectionLevel == 1) ? s_mainInspectorProcessPool : s_nestedInspectorProcessPool;
82 if (!pool) {
83 auto configuration = API::ProcessPoolConfiguration::createWithLegacyOptions();
84 pool = &WebProcessPool::create(configuration.get()).leakRef();
85 // Do not delay process launch for inspector pages as inspector pages do not know how to transition from a terminated process.
86 pool->disableDelayedWebProcessLaunch();
87 }
88 return *pool;
89}
90
91bool isInspectorProcessPool(WebProcessPool& processPool)
92{
93 return (s_mainInspectorProcessPool && s_mainInspectorProcessPool == &processPool)
94 || (s_nestedInspectorProcessPool && s_nestedInspectorProcessPool == &processPool);
95}
96
97bool isInspectorPage(WebPageProxy& webPage)
98{
99 return pageLevelMap().contains(&webPage);
100}
101
102} // namespace WebKit
103