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1 /* | 1 /* |
2 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> | 2 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> |
3 * 1999 Lars Knoll <knoll@kde.org> | 3 * 1999 Lars Knoll <knoll@kde.org> |
4 * 1999 Antti Koivisto <koivisto@kde.org> | 4 * 1999 Antti Koivisto <koivisto@kde.org> |
5 * 2000 Simon Hausmann <hausmann@kde.org> | 5 * 2000 Simon Hausmann <hausmann@kde.org> |
6 * 2000 Stefan Schimanski <1Stein@gmx.de> | 6 * 2000 Stefan Schimanski <1Stein@gmx.de> |
7 * 2001 George Staikos <staikos@kde.org> | 7 * 2001 George Staikos <staikos@kde.org> |
8 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. | 8 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. |
9 * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com> | 9 * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com> |
10 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) | 10 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) |
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47 #include "core/page/Page.h" | 47 #include "core/page/Page.h" |
48 #include "core/rendering/RenderPart.h" | 48 #include "core/rendering/RenderPart.h" |
49 #include "public/platform/WebLayer.h" | 49 #include "public/platform/WebLayer.h" |
50 #include "wtf/PassOwnPtr.h" | 50 #include "wtf/PassOwnPtr.h" |
51 #include "wtf/RefCountedLeakCounter.h" | 51 #include "wtf/RefCountedLeakCounter.h" |
52 | 52 |
53 namespace WebCore { | 53 namespace WebCore { |
54 | 54 |
55 using namespace HTMLNames; | 55 using namespace HTMLNames; |
56 | 56 |
57 namespace { | |
58 | |
59 int64_t generateFrameID() | |
60 { | |
61 // Initialize to the current time to reduce the likelihood of generating | |
62 // identifiers that overlap with those from past/future browser sessions. | |
63 static int64_t next = static_cast<int64_t>(currentTime() * 1000000.0); | |
64 return ++next; | |
65 } | |
66 | |
67 } // namespace | |
68 | |
69 DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, frameCounter, ("Frame")); | 57 DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, frameCounter, ("Frame")); |
70 | 58 |
71 Frame::Frame(FrameHost* host, HTMLFrameOwnerElement* ownerElement) | 59 Frame::Frame(FrameHost* host, HTMLFrameOwnerElement* ownerElement) |
72 : m_host(host) | 60 : m_host(host) |
73 , m_ownerElement(ownerElement) | 61 , m_ownerElement(ownerElement) |
74 , m_frameID(generateFrameID()) | |
75 , m_remotePlatformLayer(0) | 62 , m_remotePlatformLayer(0) |
76 { | 63 { |
77 ASSERT(page()); | 64 ASSERT(page()); |
78 | 65 |
79 #ifndef NDEBUG | 66 #ifndef NDEBUG |
80 frameCounter.increment(); | 67 frameCounter.increment(); |
81 #endif | 68 #endif |
82 | 69 |
83 if (this->ownerElement()) { | 70 if (this->ownerElement()) { |
84 page()->incrementSubframeCount(); | 71 page()->incrementSubframeCount(); |
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196 { | 183 { |
197 if (ownerElement()) { | 184 if (ownerElement()) { |
198 ownerElement()->clearContentFrame(); | 185 ownerElement()->clearContentFrame(); |
199 if (page()) | 186 if (page()) |
200 page()->decrementSubframeCount(); | 187 page()->decrementSubframeCount(); |
201 } | 188 } |
202 m_ownerElement = 0; | 189 m_ownerElement = 0; |
203 } | 190 } |
204 | 191 |
205 } // namespace WebCore | 192 } // namespace WebCore |
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