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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 /* | 5 /* |
6 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 6 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. | 7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. |
8 * (http://www.torchmobile.com/) | 8 * (http://www.torchmobile.com/) |
9 * | 9 * |
10 * Redistribution and use in source and binary forms, with or without | 10 * Redistribution and use in source and binary forms, with or without |
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29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
30 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 30 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
33 */ | 33 */ |
34 | 34 |
35 #ifndef CONTENT_RENDERER_HISTORY_ENTRY_H_ | 35 #ifndef CONTENT_RENDERER_HISTORY_ENTRY_H_ |
36 #define CONTENT_RENDERER_HISTORY_ENTRY_H_ | 36 #define CONTENT_RENDERER_HISTORY_ENTRY_H_ |
37 | 37 |
38 #include <memory> | 38 #include <memory> |
39 #include <vector> | |
39 | 40 |
40 #include "base/containers/hash_tables.h" | 41 #include "base/containers/hash_tables.h" |
41 #include "base/memory/scoped_vector.h" | |
42 #include "base/memory/weak_ptr.h" | 42 #include "base/memory/weak_ptr.h" |
43 #include "content/common/content_export.h" | 43 #include "content/common/content_export.h" |
44 #include "third_party/WebKit/public/platform/WebURLRequest.h" | 44 #include "third_party/WebKit/public/platform/WebURLRequest.h" |
45 #include "third_party/WebKit/public/web/WebHistoryItem.h" | 45 #include "third_party/WebKit/public/web/WebHistoryItem.h" |
46 | 46 |
47 namespace content { | 47 namespace content { |
48 class RenderFrameImpl; | 48 class RenderFrameImpl; |
49 class RenderViewImpl; | 49 class RenderViewImpl; |
50 | 50 |
51 class CONTENT_EXPORT HistoryEntry { | 51 class CONTENT_EXPORT HistoryEntry { |
52 public: | 52 public: |
53 class HistoryNode { | 53 class HistoryNode { |
54 public: | 54 public: |
55 HistoryNode(const base::WeakPtr<HistoryEntry>& entry, | 55 HistoryNode(const base::WeakPtr<HistoryEntry>& entry, |
56 const blink::WebHistoryItem& item); | 56 const blink::WebHistoryItem& item); |
57 ~HistoryNode(); | 57 ~HistoryNode(); |
58 | 58 |
59 HistoryNode* AddChild(const blink::WebHistoryItem& item); | 59 HistoryNode* AddChild(const blink::WebHistoryItem& item); |
60 HistoryNode* AddChild(); | 60 HistoryNode* AddChild(); |
61 HistoryNode* CloneAndReplace(const base::WeakPtr<HistoryEntry>& new_entry, | 61 std::unique_ptr<HistoryNode> CloneAndReplace( |
Avi (use Gerrit)
2017/02/21 16:01:36
👍
| |
62 const blink::WebHistoryItem& new_item, | 62 const base::WeakPtr<HistoryEntry>& new_entry, |
63 bool clone_children_of_target, | 63 const blink::WebHistoryItem& new_item, |
64 RenderFrameImpl* target_frame, | 64 bool clone_children_of_target, |
65 RenderFrameImpl* current_frame); | 65 RenderFrameImpl* target_frame, |
66 RenderFrameImpl* current_frame); | |
66 blink::WebHistoryItem& item() { return item_; } | 67 blink::WebHistoryItem& item() { return item_; } |
67 void set_item(const blink::WebHistoryItem& item); | 68 void set_item(const blink::WebHistoryItem& item); |
68 std::vector<HistoryNode*>& children() const { return children_->get(); } | 69 std::vector<HistoryNode*> children() const; |
69 void RemoveChildren(); | 70 void RemoveChildren(); |
70 | 71 |
71 private: | 72 private: |
72 // When a HistoryEntry is destroyed, it takes all its HistoryNodes with it. | 73 // When a HistoryEntry is destroyed, it takes all its HistoryNodes with it. |
73 // Use a WeakPtr to ensure that HistoryNodes don't try to illegally access | 74 // Use a WeakPtr to ensure that HistoryNodes don't try to illegally access |
74 // a dying HistoryEntry, or do unnecessary work when the whole entry is | 75 // a dying HistoryEntry, or do unnecessary work when the whole entry is |
75 // being destroyed. | 76 // being destroyed. |
76 base::WeakPtr<HistoryEntry> entry_; | 77 base::WeakPtr<HistoryEntry> entry_; |
77 std::unique_ptr<ScopedVector<HistoryNode>> children_; | 78 std::vector<std::unique_ptr<HistoryNode>> children_; |
78 blink::WebHistoryItem item_; | 79 blink::WebHistoryItem item_; |
79 // We need to track multiple names because the name of a frame can change | 80 // We need to track multiple names because the name of a frame can change |
80 // over its lifetime. This allows us to clean up all of the names this node | 81 // over its lifetime. This allows us to clean up all of the names this node |
81 // has ever known by when it is destroyed. | 82 // has ever known by when it is destroyed. |
82 std::vector<std::string> unique_names_; | 83 std::vector<std::string> unique_names_; |
83 }; | 84 }; |
84 | 85 |
85 HistoryEntry(const blink::WebHistoryItem& root); | 86 HistoryEntry(const blink::WebHistoryItem& root); |
86 HistoryEntry(); | 87 HistoryEntry(); |
87 ~HistoryEntry(); | 88 ~HistoryEntry(); |
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101 | 102 |
102 typedef base::hash_map<std::string, HistoryNode*> UniqueNamesToItems; | 103 typedef base::hash_map<std::string, HistoryNode*> UniqueNamesToItems; |
103 UniqueNamesToItems unique_names_to_items_; | 104 UniqueNamesToItems unique_names_to_items_; |
104 | 105 |
105 base::WeakPtrFactory<HistoryEntry> weak_ptr_factory_; | 106 base::WeakPtrFactory<HistoryEntry> weak_ptr_factory_; |
106 }; | 107 }; |
107 | 108 |
108 } // namespace content | 109 } // namespace content |
109 | 110 |
110 #endif // CONTENT_RENDERER_HISTORY_ENTRY_H_ | 111 #endif // CONTENT_RENDERER_HISTORY_ENTRY_H_ |
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