Source/WebKit/chromium/src/WebHelperPluginImpl.cpp - Issue 17640007: Refactoring: Simplify DocumentWriter by reorganizing its lifetime.

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Issue 17640007: Refactoring: Simplify DocumentWriter by reorganizing its lifetime. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Fixed a build breakage Created 7 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.	2 * Copyright (C) 2012 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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66 // settings and other decisions can be made based on the correct origin.	66 // settings and other decisions can be made based on the correct origin.

67 const WebURL& url = hostDocument.url();	67 const WebURL& url = hostDocument.url();

68	68

69 DocumentWriter* writer = loader->beginWriting("text/html", "UTF-8", url);	69 DocumentWriter* writer = loader->beginWriting("text/html", "UTF-8", url);

70	70

71 addLiteral("<!DOCTYPE html><head><meta charset='UTF-8'></head><body>\n", wri ter);	71 addLiteral("<!DOCTYPE html><head><meta charset='UTF-8'></head><body>\n", wri ter);

72 String objectTag = "<object type=\"" + pluginType + "\"></object>";	72 String objectTag = "<object type=\"" + pluginType + "\"></object>";

73 addString(objectTag, writer);	73 addString(objectTag, writer);

74 addLiteral("</body>\n", writer);	74 addLiteral("</body>\n", writer);

75	75

76 writer->end();	76 loader->endWriting(writer);

77 }	77 }

78	78

79 class HelperPluginChromeClient : public EmptyChromeClient {	79 class HelperPluginChromeClient : public EmptyChromeClient {

80 WTF_MAKE_NONCOPYABLE(HelperPluginChromeClient);	80 WTF_MAKE_NONCOPYABLE(HelperPluginChromeClient);

81 WTF_MAKE_FAST_ALLOCATED;	81 WTF_MAKE_FAST_ALLOCATED;

82	82

83 public:	83 public:

84 explicit HelperPluginChromeClient(WebHelperPluginImpl* widget)	84 explicit HelperPluginChromeClient(WebHelperPluginImpl* widget)

85 : m_widget(widget)	85 : m_widget(widget)

86 {	86 {

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244 // A WebHelperPluginImpl instance usually has two references.	244 // A WebHelperPluginImpl instance usually has two references.

245 // - One owned by the instance itself. It represents the visible widget.	245 // - One owned by the instance itself. It represents the visible widget.

246 // - One owned by the hosting element. It's released when the hosting	246 // - One owned by the hosting element. It's released when the hosting

247 // element asks the WebHelperPluginImpl to close.	247 // element asks the WebHelperPluginImpl to close.

248 // We need them because the closing operation is asynchronous and the widget	248 // We need them because the closing operation is asynchronous and the widget

249 // can be closed while the hosting element is unaware of it.	249 // can be closed while the hosting element is unaware of it.

250 return adoptRef(new WebHelperPluginImpl(client)).leakRef();	250 return adoptRef(new WebHelperPluginImpl(client)).leakRef();

251 }	251 }

252	252

253 } // namespace WebKit	253 } // namespace WebKit

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