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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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31 #include "config.h" | 31 #include "config.h" |
32 #include "WebKit.h" | 32 #include "WebKit.h" |
33 | 33 |
34 #include "WebMediaPlayerClientImpl.h" | 34 #include "WebMediaPlayerClientImpl.h" |
35 #include "WebString.h" | 35 #include "WebString.h" |
36 | 36 |
37 #include "AtomicString.h" | 37 #include "AtomicString.h" |
38 #include "DOMTimer.h" | 38 #include "DOMTimer.h" |
39 #include "FrameLoader.h" | 39 #include "FrameLoader.h" |
40 #include "Page.h" | 40 #include "Page.h" |
| 41 #include "TextEncoding.h" |
41 #include "V8Binding.h" | 42 #include "V8Binding.h" |
42 #include "V8Proxy.h" | 43 #include "V8Proxy.h" |
43 #include "WorkerContextExecutionProxy.h" | 44 #include "WorkerContextExecutionProxy.h" |
44 #include <wtf/Assertions.h> | 45 #include <wtf/Assertions.h> |
45 #include <wtf/Threading.h> | 46 #include <wtf/Threading.h> |
46 | 47 |
47 namespace WebKit { | 48 namespace WebKit { |
48 | 49 |
49 static WebKitClient* s_webKitClient = 0; | 50 static WebKitClient* s_webKitClient = 0; |
50 static bool s_layoutTestMode = false; | 51 static bool s_layoutTestMode = false; |
51 static bool s_databasesEnabled = false; | 52 static bool s_databasesEnabled = false; |
52 | 53 |
53 void initialize(WebKitClient* webKitClient) | 54 void initialize(WebKitClient* webKitClient) |
54 { | 55 { |
55 ASSERT(webKitClient); | 56 ASSERT(webKitClient); |
56 ASSERT(!s_webKitClient); | 57 ASSERT(!s_webKitClient); |
57 s_webKitClient = webKitClient; | 58 s_webKitClient = webKitClient; |
58 | 59 |
59 WTF::initializeThreading(); | 60 WTF::initializeThreading(); |
60 WebCore::AtomicString::init(); | 61 WebCore::AtomicString::init(); |
61 | 62 |
62 // Chromium sets the minimum interval timeout to 4ms, overriding the | 63 // Chromium sets the minimum interval timeout to 4ms, overriding the |
63 // default of 10ms. We'd like to go lower, however there are poorly | 64 // default of 10ms. We'd like to go lower, however there are poorly |
64 // coded websites out there which do create CPU-spinning loops. Using | 65 // coded websites out there which do create CPU-spinning loops. Using |
65 // 4ms prevents the CPU from spinning too busily and provides a balance | 66 // 4ms prevents the CPU from spinning too busily and provides a balance |
66 // between CPU spinning and the smallest possible interval timer. | 67 // between CPU spinning and the smallest possible interval timer. |
67 WebCore::DOMTimer::setMinTimerInterval(0.004); | 68 WebCore::DOMTimer::setMinTimerInterval(0.004); |
| 69 |
| 70 // There are some code paths (for example, running WebKit in the browser |
| 71 // process and calling into LocalStorage before anything else) where the |
| 72 // UTF8 string encoding tables are used on a background thread before |
| 73 // they're set up. This is a problem because their set up routines assert |
| 74 // they're running on the main WebKitThread. It might be possible to make |
| 75 // the initialization thread-safe, but given that so many code paths use |
| 76 // this, initializing this lazily probably doesn't buy us much. |
| 77 WebCore::UTF8Encoding(); |
68 } | 78 } |
69 | 79 |
70 void shutdown() | 80 void shutdown() |
71 { | 81 { |
72 s_webKitClient = 0; | 82 s_webKitClient = 0; |
73 } | 83 } |
74 | 84 |
75 WebKitClient* webKitClient() | 85 WebKitClient* webKitClient() |
76 { | 86 { |
77 return s_webKitClient; | 87 return s_webKitClient; |
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141 { | 151 { |
142 return s_databasesEnabled; | 152 return s_databasesEnabled; |
143 } | 153 } |
144 | 154 |
145 void enableV8SingleThreadMode() | 155 void enableV8SingleThreadMode() |
146 { | 156 { |
147 WebCore::enableStringImplCache(); | 157 WebCore::enableStringImplCache(); |
148 } | 158 } |
149 | 159 |
150 } // namespace WebKit | 160 } // namespace WebKit |
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