Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(337)

Side by Side Diff: Source/wtf/OwnPtrList.h

Issue 705003002: Change the return type of WTF::bind() to |OwnPtr<Function>| (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Rebase Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« Source/wtf/MainThread.h ('K') | « Source/wtf/MainThread.cpp ('k') | no next file » | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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 WTF_OwnPtrList_h
6 #define WTF_OwnPtrList_h
7
8 #include "wtf/OwnPtr.h"
9 #include "wtf/PassOwnPtr.h"
10 #include "wtf/Vector.h"
11
12 namespace WTF {
13
14 // OwnPtrList<T> is a list container for OwnPtr<T>.
15 // Vector<OwnPtr<T>> cannot be used because we cannot copy OwnPtr<T>.
16 template<typename T>
17 class OwnPtrList {
18 WTF_MAKE_NONCOPYABLE(OwnPtrList);
19 public:
20 OwnPtrList() { }
21 void append(PassOwnPtr<T> ptr)
22 {
23 OwnPtr<OwnPtrListNode<T>> node = adoptPtr(new OwnPtrListNode<T>(ptr, m_h ead.release()));
24 m_head = node.release();
25 }
26
27 // call ptr->f() for each OwnPtr in the list, in the order of |append|.
28 void applyEach(void(T::*f)()) const
29 {
30 Vector<T*> v;
31 for (OwnPtrListNode<T>* p = m_head.get(); p; p = p->m_next.get()) {
32 v.append(p->m_ptr.get());
33 }
34 for (typename Vector<T*>::reverse_iterator it = v.rbegin(), itEnd = v.re nd(); it != itEnd; ++it)
35 ((*it)->*f)();
36 }
37
38 void applyEach(void(T::*f)() const) const
39 {
40 Vector<T*> v;
41 for (OwnPtrListNode<T>* p = m_head.get(); p; p = p->m_next.get()) {
42 v.append(p->m_ptr.get());
43 }
44 for (typename Vector<T*>::const_reverse_iterator it = v.rbegin(), itEnd = v.rend(); it != itEnd; ++it)
45 ((*it)->*f)();
46 }
47
48 private:
49 template<typename U>
50 class OwnPtrListNode {
51 WTF_MAKE_NONCOPYABLE(OwnPtrListNode);
52 public:
53 OwnPtrListNode(PassOwnPtr<U> ptr, PassOwnPtr<OwnPtrListNode<U>> next)
54 : m_ptr(ptr)
55 , m_next(next)
56 {
57 }
58 private:
59 OwnPtr<U> m_ptr;
60 OwnPtr<OwnPtrListNode<U>> m_next;
61 friend class OwnPtrList<U>;
62 };
63
64 // The linked list starting from |m_head| stores the elements in the
65 // reverse order of |append|.
66 OwnPtr<OwnPtrListNode<T>> m_head;
67 };
68
69 } // namespace WTF
70
71 using WTF::OwnPtrList;
72
73 #endif // WTF_OwnPtrList_h
OLDNEW
« Source/wtf/MainThread.h ('K') | « Source/wtf/MainThread.cpp ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698