1 /*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "WebKit.h"
33
34 #include "Logging.h"
35 #include "Page.h"
36 #include "RuntimeEnabledFeatures.h"
37 #include "Settings.h"
38 #include "TextEncoding.h"
39 #include "WebMediaPlayerClientImpl.h"
40 #include "WebSocket.h"
41 #include "WorkerContextExecutionProxy.h"
42
43 #include <wtf/Assertions.h>
44 #include <wtf/Threading.h>
45 #include <wtf/text/AtomicString.h>
46
47 namespace WebKit {
48
49 // Make sure we are not re-initialized in the same address space.
50 // Doing so may cause hard to reproduce crashes.
51 static bool s_webKitInitialized = false;
52
53 static WebKitClient* s_webKitClient = 0;
54 static bool s_layoutTestMode = false;
55
initialize(WebKitClient * webKitClient)56 void initialize(WebKitClient* webKitClient)
57 {
58 ASSERT(!s_webKitInitialized);
59 s_webKitInitialized = true;
60
61 ASSERT(webKitClient);
62 ASSERT(!s_webKitClient);
63 s_webKitClient = webKitClient;
64
65 WTF::initializeThreading();
66 WTF::initializeMainThread();
67 WTF::AtomicString::init();
68
69 // There are some code paths (for example, running WebKit in the browser
70 // process and calling into LocalStorage before anything else) where the
71 // UTF8 string encoding tables are used on a background thread before
72 // they're set up. This is a problem because their set up routines assert
73 // they're running on the main WebKitThread. It might be possible to make
74 // the initialization thread-safe, but given that so many code paths use
75 // this, initializing this lazily probably doesn't buy us much.
76 WebCore::UTF8Encoding();
77 }
78
shutdown()79 void shutdown()
80 {
81 s_webKitClient = 0;
82 }
83
webKitClient()84 WebKitClient* webKitClient()
85 {
86 return s_webKitClient;
87 }
88
setLayoutTestMode(bool value)89 void setLayoutTestMode(bool value)
90 {
91 s_layoutTestMode = value;
92 }
93
layoutTestMode()94 bool layoutTestMode()
95 {
96 return s_layoutTestMode;
97 }
98
enableLogChannel(const char * name)99 void enableLogChannel(const char* name)
100 {
101 WTFLogChannel* channel = WebCore::getChannelFromName(name);
102 if (channel)
103 channel->state = WTFLogChannelOn;
104 }
105
resetPluginCache(bool reloadPages)106 void resetPluginCache(bool reloadPages)
107 {
108 WebCore::Page::refreshPlugins(reloadPages);
109 }
110
111 } // namespace WebKit
112