Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / html / imports / HTMLImportTreeRoot.h
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
3 // found in the LICENSE file.
4
5 #ifndef HTMLImportTreeRoot_h
6 #define HTMLImportTreeRoot_h
7
8 #include "core/html/imports/HTMLImport.h"
9 #include "platform/Timer.h"
10 #include "wtf/PassOwnPtr.h"
11
12 namespace blink {
13
14 class HTMLImportChild;
15
16 class HTMLImportTreeRoot : public HTMLImport {
17 public:
18     static PassOwnPtrWillBeRawPtr<HTMLImportTreeRoot> create(Document*);
19
20     virtual ~HTMLImportTreeRoot();
21
22     // HTMLImport
23     virtual Document* document() const OVERRIDE;
24     virtual bool isDone() const OVERRIDE;
25     virtual void stateWillChange() OVERRIDE;
26     virtual void stateDidChange() OVERRIDE;
27
28     void scheduleRecalcState();
29
30     HTMLImportChild* add(PassOwnPtrWillBeRawPtr<HTMLImportChild>);
31     HTMLImportChild* find(const KURL&) const;
32
33     virtual void trace(Visitor*) OVERRIDE;
34
35 private:
36     explicit HTMLImportTreeRoot(Document*);
37
38     void recalcTimerFired(Timer<HTMLImportTreeRoot>*);
39
40     RawPtrWillBeMember<Document> m_document;
41     Timer<HTMLImportTreeRoot> m_recalcTimer;
42
43     // List of import which has been loaded or being loaded.
44     typedef WillBeHeapVector<OwnPtrWillBeMember<HTMLImportChild> > ImportList;
45     ImportList m_imports;
46 };
47
48 DEFINE_TYPE_CASTS(HTMLImportTreeRoot, HTMLImport, import, import->isRoot(), import.isRoot());
49
50 }
51
52 #endif