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 "AtomicString.h"
35 #include "DOMTimer.h"
36 #include "Logging.h"
37 #include "Page.h"
38 #include "RuntimeEnabledFeatures.h"
39 #include "TextEncoding.h"
40 #include "WebMediaPlayerClientImpl.h"
41 #include "WebSocket.h"
42 #include "WorkerContextExecutionProxy.h"
43
44 #include <wtf/Assertions.h>
45 #include <wtf/Threading.h>
46
47 namespace WebKit {
48
49 static WebKitClient* s_webKitClient = 0;
50 static bool s_layoutTestMode = false;
51
initialize(WebKitClient * webKitClient)52 void initialize(WebKitClient* webKitClient)
53 {
54 ASSERT(webKitClient);
55 ASSERT(!s_webKitClient);
56 s_webKitClient = webKitClient;
57
58 WTF::initializeThreading();
59 WebCore::AtomicString::init();
60
61 // Chromium sets the minimum interval timeout to 4ms, overriding the
62 // default of 10ms. We'd like to go lower, however there are poorly
63 // coded websites out there which do create CPU-spinning loops. Using
64 // 4ms prevents the CPU from spinning too busily and provides a balance
65 // between CPU spinning and the smallest possible interval timer.
66 WebCore::DOMTimer::setMinTimerInterval(0.004);
67
68 // There are some code paths (for example, running WebKit in the browser
69 // process and calling into LocalStorage before anything else) where the
70 // UTF8 string encoding tables are used on a background thread before
71 // they're set up. This is a problem because their set up routines assert
72 // they're running on the main WebKitThread. It might be possible to make
73 // the initialization thread-safe, but given that so many code paths use
74 // this, initializing this lazily probably doesn't buy us much.
75 WebCore::UTF8Encoding();
76 }
77
shutdown()78 void shutdown()
79 {
80 s_webKitClient = 0;
81 }
82
webKitClient()83 WebKitClient* webKitClient()
84 {
85 return s_webKitClient;
86 }
87
setLayoutTestMode(bool value)88 void setLayoutTestMode(bool value)
89 {
90 s_layoutTestMode = value;
91 }
92
layoutTestMode()93 bool layoutTestMode()
94 {
95 return s_layoutTestMode;
96 }
97
enableLogChannel(const char * name)98 void enableLogChannel(const char* name)
99 {
100 WTFLogChannel* channel = WebCore::getChannelFromName(name);
101 if (channel)
102 channel->state = WTFLogChannelOn;
103 }
104
resetPluginCache(bool reloadPages)105 void resetPluginCache(bool reloadPages)
106 {
107 WebCore::Page::refreshPlugins(reloadPages);
108 }
109
110 } // namespace WebKit
111