1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SEARCH_INSTANT_SERVICE_H_
#define CHROME_BROWSER_SEARCH_INSTANT_SERVICE_H_
#include <map>
#include <set>
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/history/history_types.h"
#include "chrome/common/instant_restricted_id_cache.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class GURL;
class InstantIOContext;
class Profile;
namespace net {
class URLRequest;
}
// Tracks render process host IDs that are associated with Instant.
class InstantService : public BrowserContextKeyedService,
public content::NotificationObserver {
public:
explicit InstantService(Profile* profile);
virtual ~InstantService();
// A utility to translate an Instant path if it is of Most Visited item ID
// form. If path is a Most Visited item ID and we have a URL for it, then
// this URL is returned in string form. The |path| is a URL fragment
// corresponding to the path of url with the leading slash ("/") stripped.
// For example, chrome-search://favicon/72 would yield a |path| value of "72",
// and since 72 is a valid uint64 the path is translated to a valid url,
// "http://bingo.com/", say.
static const std::string MaybeTranslateInstantPathOnUI(
Profile* profile, const std::string& path);
static const std::string MaybeTranslateInstantPathOnIO(
const net::URLRequest* request, const std::string& path);
static bool IsInstantPath(const GURL& url);
// Add, remove, and query RenderProcessHost IDs that are associated with
// Instant processes.
void AddInstantProcess(int process_id);
bool IsInstantProcess(int process_id) const;
#if defined(UNIT_TEST)
int GetInstantProcessCount() const {
return process_ids_.size();
}
#endif
// Most visited item API.
// Adds |items| to the |most_visited_item_cache_| assigning restricted IDs in
// the process.
void AddMostVisitedItems(const std::vector<InstantMostVisitedItem>& items);
// Invoked by the InstantController when the Instant page wants to delete a
// Most Visited item.
void DeleteMostVisitedItem(const GURL& url);
// Invoked by the InstantController when the Instant page wants to undo the
// blacklist action.
void UndoMostVisitedDeletion(const GURL& url);
// Invoked by the InstantController when the Instant page wants to undo all
// Most Visited deletions.
void UndoAllMostVisitedDeletions();
// Returns the last added InstantMostVisitedItems. After the call to
// |AddMostVisitedItems|, the caller should call this to get the items with
// the assigned IDs.
void GetCurrentMostVisitedItems(
std::vector<InstantMostVisitedItemIDPair>* items) const;
private:
// Overridden from BrowserContextKeyedService:
virtual void Shutdown() OVERRIDE;
// Overridden from content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// If the |most_visited_item_id| is found in the cache, sets the |item| to it
// and returns true.
bool GetMostVisitedItemForID(InstantRestrictedID most_visited_item_id,
InstantMostVisitedItem* item) const;
// Called when we get new most visited items from TopSites, registered as an
// async callback. Parses them and sends them to the renderer via
// SendMostVisitedItems.
void OnMostVisitedItemsReceived(const history::MostVisitedURLList& data);
Profile* const profile_;
// The process ids associated with Instant processes.
std::set<int> process_ids_;
// A cache of the InstantMostVisitedItems sent to the Instant Pages.
InstantRestrictedIDCache<InstantMostVisitedItem> most_visited_item_cache_;
content::NotificationRegistrar registrar_;
scoped_refptr<InstantIOContext> instant_io_context_;
// Used for Top Sites async retrieval.
base::WeakPtrFactory<InstantService> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(InstantService);
};
#endif // CHROME_BROWSER_SEARCH_INSTANT_SERVICE_H_
|
