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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ | 5 #ifndef CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ |
6 #define CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ | 6 #define CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "content/browser/site_instance_impl.h" | 10 #include "content/browser/site_instance_impl.h" |
11 #include "content/public/common/referrer.h" | 11 #include "content/public/common/referrer.h" |
12 | 12 |
13 namespace content { | 13 namespace content { |
14 | 14 |
15 // Represents a session history item for a particular frame. | 15 // Represents a session history item for a particular frame. |
16 // | 16 // |
17 // This class is refcounted and can be shared across multiple NavigationEntries. | 17 // This class is refcounted and can be shared across multiple NavigationEntries. |
18 // For now, it is owned by a single NavigationEntry and only tracks the main | 18 // For now, it is owned by a single NavigationEntry and only tracks the main |
19 // frame. | 19 // frame. |
20 // | 20 // |
21 // TODO(creis): In --site-per-process, fill in a tree of FrameNavigationEntries | 21 // TODO(creis): In --site-per-process, fill in a tree of FrameNavigationEntries |
22 // in each NavigationEntry, one per frame. FrameNavigationEntries may be shared | 22 // in each NavigationEntry, one per frame. FrameNavigationEntries may be shared |
23 // across NavigationEntries if the frame hasn't changed. | 23 // across NavigationEntries if the frame hasn't changed. |
24 class CONTENT_EXPORT FrameNavigationEntry | 24 class CONTENT_EXPORT FrameNavigationEntry |
25 : public base::RefCounted<FrameNavigationEntry> { | 25 : public base::RefCounted<FrameNavigationEntry> { |
26 public: | 26 public: |
27 FrameNavigationEntry(); | 27 // TODO(creis): We should not use FTN IDs here, since they will change if you |
28 FrameNavigationEntry(SiteInstanceImpl* site_instance, | 28 // leave a page and come back later. We should evaluate whether Blink's |
| 29 // frame sequence numbers or unique names would work instead, similar to |
| 30 // HistoryNode. |
| 31 explicit FrameNavigationEntry(int64 frame_tree_node_id); |
| 32 FrameNavigationEntry(int64 frame_tree_node_id, |
| 33 SiteInstanceImpl* site_instance, |
29 const GURL& url, | 34 const GURL& url, |
30 const Referrer& referrer); | 35 const Referrer& referrer); |
31 | 36 |
32 // Creates a copy of this FrameNavigationEntry that can be modified | 37 // Creates a copy of this FrameNavigationEntry that can be modified |
33 // independently from the original. | 38 // independently from the original. |
34 FrameNavigationEntry* Clone() const; | 39 FrameNavigationEntry* Clone() const; |
35 | 40 |
| 41 // Updates all the members of this entry. |
| 42 void UpdateEntry(SiteInstanceImpl* site_instance, |
| 43 const GURL& url, |
| 44 const Referrer& referrer); |
| 45 |
| 46 // The ID of the FrameTreeNode this entry is for. -1 for the main frame, |
| 47 // since we don't always know the FrameTreeNode ID when creating the overall |
| 48 // NavigationEntry. |
| 49 // TODO(creis): Replace with frame sequence number or unique name. |
| 50 int64 frame_tree_node_id() const { return frame_tree_node_id_; } |
| 51 |
36 // The SiteInstance responsible for rendering this frame. All frames sharing | 52 // The SiteInstance responsible for rendering this frame. All frames sharing |
37 // a SiteInstance must live in the same process. This is a refcounted pointer | 53 // a SiteInstance must live in the same process. This is a refcounted pointer |
38 // that keeps the SiteInstance (not necessarily the process) alive as long as | 54 // that keeps the SiteInstance (not necessarily the process) alive as long as |
39 // this object remains in the session history. | 55 // this object remains in the session history. |
40 void set_site_instance(SiteInstanceImpl* site_instance) { | 56 void set_site_instance(SiteInstanceImpl* site_instance) { |
41 site_instance_ = site_instance; | 57 site_instance_ = site_instance; |
42 } | 58 } |
43 SiteInstanceImpl* site_instance() const { return site_instance_.get(); } | 59 SiteInstanceImpl* site_instance() const { return site_instance_.get(); } |
44 | 60 |
45 // The actual URL loaded in the frame. This is in contrast to the virtual | 61 // The actual URL loaded in the frame. This is in contrast to the virtual |
46 // URL, which is shown to the user. | 62 // URL, which is shown to the user. |
47 void set_url(const GURL& url) { url_ = url; } | 63 void set_url(const GURL& url) { url_ = url; } |
48 const GURL& url() const { return url_; } | 64 const GURL& url() const { return url_; } |
49 | 65 |
50 // The referring URL. Can be empty. | 66 // The referring URL. Can be empty. |
51 void set_referrer(const Referrer& referrer) { referrer_ = referrer; } | 67 void set_referrer(const Referrer& referrer) { referrer_ = referrer; } |
52 const Referrer& referrer() const { return referrer_; } | 68 const Referrer& referrer() const { return referrer_; } |
53 | 69 |
54 private: | 70 private: |
55 friend class base::RefCounted<FrameNavigationEntry>; | 71 friend class base::RefCounted<FrameNavigationEntry>; |
56 virtual ~FrameNavigationEntry(); | 72 virtual ~FrameNavigationEntry(); |
57 | 73 |
58 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING | 74 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING |
59 // For all new fields, update |Clone|. | 75 // For all new fields, update |Clone|. |
60 // TODO(creis): These fields have implications for session restore. This is | 76 // TODO(creis): These fields have implications for session restore. This is |
61 // currently managed by NavigationEntry, but the logic will move here. | 77 // currently managed by NavigationEntry, but the logic will move here. |
62 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING | 78 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING |
63 | 79 |
64 // See the accessors above for descriptions. | 80 // See the accessors above for descriptions. |
| 81 int64 frame_tree_node_id_; |
65 scoped_refptr<SiteInstanceImpl> site_instance_; | 82 scoped_refptr<SiteInstanceImpl> site_instance_; |
66 GURL url_; | 83 GURL url_; |
67 Referrer referrer_; | 84 Referrer referrer_; |
68 | 85 |
69 DISALLOW_COPY_AND_ASSIGN(FrameNavigationEntry); | 86 DISALLOW_COPY_AND_ASSIGN(FrameNavigationEntry); |
70 }; | 87 }; |
71 | 88 |
72 } // namespace content | 89 } // namespace content |
73 | 90 |
74 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ | 91 #endif // CONTENT_BROWSER_FRAME_HOST_FRAME_NAVIGATION_ENTRY_H_ |
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