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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef ScriptStreamer_h | 5 #ifndef ScriptStreamer_h |
| 6 #define ScriptStreamer_h | 6 #define ScriptStreamer_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "platform/heap/Handle.h" | 9 #include "platform/heap/Handle.h" |
| 10 #include "wtf/RefCounted.h" | 10 #include "wtf/RefCounted.h" |
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| 96 void notifyFinished(Resource*); | 96 void notifyFinished(Resource*); |
| 97 | 97 |
| 98 // Called by ScriptStreamingTask when it has streamed all data to V8 and V8 | 98 // Called by ScriptStreamingTask when it has streamed all data to V8 and V8 |
| 99 // has processed it. | 99 // has processed it. |
| 100 void streamingCompleteOnBackgroundThread(); | 100 void streamingCompleteOnBackgroundThread(); |
| 101 | 101 |
| 102 v8::ScriptCompiler::StreamedSource::Encoding encoding() const { return m_enc
oding; } | 102 v8::ScriptCompiler::StreamedSource::Encoding encoding() const { return m_enc
oding; } |
| 103 | 103 |
| 104 static void setSmallScriptThresholdForTesting(size_t threshold) | 104 static void setSmallScriptThresholdForTesting(size_t threshold) |
| 105 { | 105 { |
| 106 kSmallScriptThreshold = threshold; | 106 s_smallScriptThreshold = threshold; |
| 107 } | 107 } |
| 108 | 108 |
| 109 static size_t smallScriptThreshold() { return kSmallScriptThreshold; } | 109 static size_t smallScriptThreshold() { return s_smallScriptThreshold; } |
| 110 | 110 |
| 111 private: | 111 private: |
| 112 // Scripts whose first data chunk is smaller than this constant won't be | 112 // Scripts whose first data chunk is smaller than this constant won't be |
| 113 // streamed. Non-const for testing. | 113 // streamed. Non-const for testing. |
| 114 static size_t kSmallScriptThreshold; | 114 static size_t s_smallScriptThreshold; |
| 115 | 115 |
| 116 ScriptStreamer(ScriptResource*, Type, ScriptState*, v8::ScriptCompiler::Comp
ileOptions, WebTaskRunner*); | 116 ScriptStreamer(ScriptResource*, Type, ScriptState*, v8::ScriptCompiler::Comp
ileOptions, WebTaskRunner*); |
| 117 | 117 |
| 118 void streamingComplete(); | 118 void streamingComplete(); |
| 119 void notifyFinishedToClient(); | 119 void notifyFinishedToClient(); |
| 120 | 120 |
| 121 static bool startStreamingInternal(PendingScript*, Type, Settings*, ScriptSt
ate*, WebTaskRunner*); | 121 static bool startStreamingInternal(PendingScript*, Type, Settings*, ScriptSt
ate*, WebTaskRunner*); |
| 122 | 122 |
| 123 // This pointer is weak. If PendingScript and its Resource are deleted | 123 // This pointer is weak. If PendingScript and its Resource are deleted |
| 124 // before ScriptStreamer, PendingScript will notify ScriptStreamer of its | 124 // before ScriptStreamer, PendingScript will notify ScriptStreamer of its |
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| 155 | 155 |
| 156 // Encoding of the streamed script. Saved for sanity checking purposes. | 156 // Encoding of the streamed script. Saved for sanity checking purposes. |
| 157 v8::ScriptCompiler::StreamedSource::Encoding m_encoding; | 157 v8::ScriptCompiler::StreamedSource::Encoding m_encoding; |
| 158 | 158 |
| 159 OwnPtr<WebTaskRunner> m_loadingTaskRunner; | 159 OwnPtr<WebTaskRunner> m_loadingTaskRunner; |
| 160 }; | 160 }; |
| 161 | 161 |
| 162 } // namespace blink | 162 } // namespace blink |
| 163 | 163 |
| 164 #endif // ScriptStreamer_h | 164 #endif // ScriptStreamer_h |
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