2 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
3 * 1999-2001 Lars Knoll <knoll@kde.org>
4 * 1999-2001 Antti Koivisto <koivisto@kde.org>
5 * 2000-2001 Simon Hausmann <hausmann@kde.org>
6 * 2000-2001 Dirk Mueller <mueller@kde.org>
7 * 2000 Stefan Schimanski <1Stein@gmx.de>
8 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
9 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
10 * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Library General Public
14 * License as published by the Free Software Foundation; either
15 * version 2 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public License
23 * along with this library; see the file COPYING.LIB. If not, write to
24 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 * Boston, MA 02110-1301, USA.
31 #include "platform/heap/Handle.h"
32 #include "wtf/Forward.h"
33 #include "wtf/HashSet.h"
34 #include "wtf/RefCounted.h"
44 class FrameDestructionObserver;
46 class HTMLFrameOwnerElement;
51 class Frame : public RefCounted<Frame> {
53 virtual bool isLocalFrame() const { return false; }
54 virtual bool isRemoteFrame() const { return false; }
58 void addDestructionObserver(FrameDestructionObserver*);
59 void removeDestructionObserver(FrameDestructionObserver*);
61 virtual void willDetachFrameHost();
62 virtual void detachFromFrameHost();
64 // NOTE: Page is moving out of Blink up into the browser process as
65 // part of the site-isolation (out of process iframes) work.
66 // FrameHost should be used instead where possible.
68 FrameHost* host() const; // Null when the frame is detached.
70 bool isMainFrame() const;
72 virtual void disconnectOwnerElement();
74 HTMLFrameOwnerElement* ownerElement() const;
76 // FIXME: DOMWindow and Document should both be moved to LocalFrame
77 // after RemoteFrame is complete enough to exist without them.
78 virtual void setDOMWindow(PassRefPtrWillBeRawPtr<DOMWindow>);
79 DOMWindow* domWindow() const;
81 ChromeClient& chromeClient() const;
83 RenderPart* ownerRenderer() const; // Renderer for the element that contains this frame.
85 int64_t frameID() const { return m_frameID; }
87 // FIXME: These should move to RemoteFrame when that is instantiated.
88 void setRemotePlatformLayer(blink::WebLayer* remotePlatformLayer) { m_remotePlatformLayer = remotePlatformLayer; }
89 blink::WebLayer* remotePlatformLayer() const { return m_remotePlatformLayer; }
91 Settings* settings() const; // can be null
93 // FIXME: This method identifies a LocalFrame that is acting as a RemoteFrame.
94 // It is necessary only until we can instantiate a RemoteFrame, at which point
95 // it can be removed and its callers can be converted to use the isRemoteFrame()
97 bool isRemoteFrameTemporary() const { return m_remotePlatformLayer; }
100 Frame(FrameHost*, HTMLFrameOwnerElement*);
103 HTMLFrameOwnerElement* m_ownerElement;
105 RefPtrWillBePersistent<DOMWindow> m_domWindow;
109 HashSet<FrameDestructionObserver*> m_destructionObservers;
111 // Temporary hack for history.
114 blink::WebLayer* m_remotePlatformLayer;
117 inline DOMWindow* Frame::domWindow() const
119 return m_domWindow.get();
122 inline HTMLFrameOwnerElement* Frame::ownerElement() const
124 return m_ownerElement;
127 } // namespace WebCore