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Side by Side Diff: Source/modules/indexeddb/DOMWindowIndexedDatabase.cpp

Issue 165443003: Pass implementation object to supplemental classes by reference (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2011, Google Inc. All rights reserved. 2 * Copyright (C) 2011, 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 met: 5 * modification, are permitted provided that the following conditions are met:
6 * 6 *
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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27 #include "modules/indexeddb/DOMWindowIndexedDatabase.h" 27 #include "modules/indexeddb/DOMWindowIndexedDatabase.h"
28 28
29 #include "core/dom/Document.h" 29 #include "core/dom/Document.h"
30 #include "core/frame/DOMWindow.h" 30 #include "core/frame/DOMWindow.h"
31 #include "core/page/Page.h" 31 #include "core/page/Page.h"
32 #include "modules/indexeddb/IDBFactory.h" 32 #include "modules/indexeddb/IDBFactory.h"
33 #include "modules/indexeddb/PageGroupIndexedDatabase.h" 33 #include "modules/indexeddb/PageGroupIndexedDatabase.h"
34 34
35 namespace WebCore { 35 namespace WebCore {
36 36
37 DOMWindowIndexedDatabase::DOMWindowIndexedDatabase(DOMWindow* window) 37 DOMWindowIndexedDatabase::DOMWindowIndexedDatabase(DOMWindow& window)
38 : DOMWindowProperty(window->frame()) 38 : DOMWindowProperty(window.frame())
39 , m_window(window) 39 , m_window(window)
40 { 40 {
41 } 41 }
42 42
43 DOMWindowIndexedDatabase::~DOMWindowIndexedDatabase() 43 DOMWindowIndexedDatabase::~DOMWindowIndexedDatabase()
44 { 44 {
45 } 45 }
46 46
47 const char* DOMWindowIndexedDatabase::supplementName() 47 const char* DOMWindowIndexedDatabase::supplementName()
48 { 48 {
49 return "DOMWindowIndexedDatabase"; 49 return "DOMWindowIndexedDatabase";
50 } 50 }
51 51
52 DOMWindowIndexedDatabase* DOMWindowIndexedDatabase::from(DOMWindow* window) 52 DOMWindowIndexedDatabase& DOMWindowIndexedDatabase::from(DOMWindow& window)
53 { 53 {
54 DOMWindowIndexedDatabase* supplement = static_cast<DOMWindowIndexedDatabase* >(Supplement<DOMWindow>::from(window, supplementName())); 54 DOMWindowIndexedDatabase* supplement = static_cast<DOMWindowIndexedDatabase* >(Supplement<DOMWindow>::from(window, supplementName()));
55 if (!supplement) { 55 if (!supplement) {
56 supplement = new DOMWindowIndexedDatabase(window); 56 supplement = new DOMWindowIndexedDatabase(window);
57 provideTo(window, supplementName(), adoptPtr(supplement)); 57 provideTo(window, supplementName(), adoptPtr(supplement));
58 } 58 }
59 return supplement; 59 return *supplement;
60 } 60 }
61 61
62 void DOMWindowIndexedDatabase::willDestroyGlobalObjectInFrame() 62 void DOMWindowIndexedDatabase::willDestroyGlobalObjectInFrame()
63 { 63 {
64 m_idbFactory = nullptr; 64 m_idbFactory = nullptr;
65 DOMWindowProperty::willDestroyGlobalObjectInFrame(); 65 DOMWindowProperty::willDestroyGlobalObjectInFrame();
66 } 66 }
67 67
68 void DOMWindowIndexedDatabase::willDetachGlobalObjectFromFrame() 68 void DOMWindowIndexedDatabase::willDetachGlobalObjectFromFrame()
69 { 69 {
70 m_idbFactory = nullptr; 70 m_idbFactory = nullptr;
71 DOMWindowProperty::willDetachGlobalObjectFromFrame(); 71 DOMWindowProperty::willDetachGlobalObjectFromFrame();
72 } 72 }
73 73
74 IDBFactory* DOMWindowIndexedDatabase::indexedDB(DOMWindow* window) 74 IDBFactory* DOMWindowIndexedDatabase::indexedDB(DOMWindow& window)
75 { 75 {
76 return from(window)->indexedDB(); 76 return from(window).indexedDB();
77 } 77 }
78 78
79 IDBFactory* DOMWindowIndexedDatabase::indexedDB() 79 IDBFactory* DOMWindowIndexedDatabase::indexedDB()
80 { 80 {
81 Document* document = m_window->document(); 81 Document* document = m_window.document();
82 if (!document) 82 if (!document)
83 return 0; 83 return 0;
84 84
85 Page* page = document->page(); 85 Page* page = document->page();
86 if (!page) 86 if (!page)
87 return 0; 87 return 0;
88 88
89 if (!m_window->isCurrentlyDisplayedInFrame()) 89 if (!m_window.isCurrentlyDisplayedInFrame())
90 return 0; 90 return 0;
91 91
92 if (!m_idbFactory) 92 if (!m_idbFactory)
93 m_idbFactory = IDBFactory::create(PageGroupIndexedDatabase::from(page->g roup())->factoryBackend()); 93 m_idbFactory = IDBFactory::create(PageGroupIndexedDatabase::from(page->g roup()).factoryBackend());
94 return m_idbFactory.get(); 94 return m_idbFactory.get();
95 } 95 }
96 96
97 } // namespace WebCore 97 } // namespace WebCore
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