page_info_model.h revision 731df977c0511bca2206b5f333555b1205ff1f43 
1// Copyright (c) 2010 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 CHROME_BROWSER_PAGE_INFO_MODEL_H_
6#define CHROME_BROWSER_PAGE_INFO_MODEL_H_
7#pragma once
8
9#include <vector>
10
11#include "gfx/native_widget_types.h"
12#include "base/string16.h"
13#include "chrome/browser/cancelable_request.h"
14#include "chrome/browser/history/history.h"
15#include "chrome/browser/tab_contents/navigation_entry.h"
16#include "googleurl/src/gurl.h"
17
18class PrefService;
19class Profile;
20
21// The model that provides the information that should be displayed in the page
22// info dialog/bubble.
23class PageInfoModel {
24 public:
25  class PageInfoModelObserver {
26   public:
27    virtual ~PageInfoModelObserver() {}
28
29    virtual void ModelChanged() = 0;
30  };
31
32  enum SectionInfoType {
33    SECTION_INFO_IDENTITY = 0,
34    SECTION_INFO_CONNECTION,
35    SECTION_INFO_FIRST_VISIT,
36  };
37
38  enum SectionStateIcon {
39    // No icon.
40    ICON_NONE = -1,
41    // State is OK.
42    ICON_STATE_OK,
43    // For example, if state is OK but contains mixed content.
44    ICON_STATE_WARNING_MINOR,
45    // For example, if content was served over HTTP.
46    ICON_STATE_WARNING_MAJOR,
47    // For example, unverified identity over HTTPS.
48    ICON_STATE_ERROR,
49    // An information icon.
50    ICON_STATE_INFO
51  };
52
53  struct SectionInfo {
54    SectionInfo(SectionStateIcon icon_id,
55                const string16& title,
56                const string16& headline,
57                const string16& description,
58                SectionInfoType type)
59        : icon_id(icon_id),
60          title(title),
61          headline(headline),
62          description(description),
63          type(type) {
64    }
65
66    // The overall state of the connection (error, warning, ok).
67    SectionStateIcon icon_id;
68
69    // The title of the section.
70    string16 title;
71
72    // A single line describing the section, optional.
73    string16 headline;
74
75    // The full description of what this section is.
76    string16 description;
77
78    // The type of SectionInfo we are dealing with, for example: Identity,
79    // Connection, First Visit.
80    SectionInfoType type;
81  };
82
83  PageInfoModel(Profile* profile,
84                const GURL& url,
85                const NavigationEntry::SSLStatus& ssl,
86                bool show_history,
87                PageInfoModelObserver* observer);
88  ~PageInfoModel();
89
90  int GetSectionCount();
91  SectionInfo GetSectionInfo(int index);
92
93  // Returns the native image type for an icon with the given id.
94  gfx::NativeImage GetIconImage(SectionStateIcon icon_id);
95
96  // Callback from history service with number of visits to url.
97  void OnGotVisitCountToHost(HistoryService::Handle handle,
98                             bool found_visits,
99                             int count,
100                             base::Time first_visit);
101
102  static void RegisterPrefs(PrefService* prefs);
103
104 protected:
105  // Testing constructor. DO NOT USE.
106  PageInfoModel();
107
108  // Shared initialization for default and testing constructor.
109  void Init();
110
111  // Wrapper for ResourceBundle::GetNativeImage() so that Mac can retain its
112  // icons.
113  gfx::NativeImage GetBitmapNamed(int resource_id);
114
115  PageInfoModelObserver* observer_;
116
117  std::vector<SectionInfo> sections_;
118
119  // All possible icons that go next to the text descriptions to indicate state.
120  std::vector<gfx::NativeImage> icons_;
121
122  // Used to request number of visits.
123  CancelableRequestConsumer request_consumer_;
124
125 private:
126  DISALLOW_COPY_AND_ASSIGN(PageInfoModel);
127};
128
129#endif  // CHROME_BROWSER_PAGE_INFO_MODEL_H_
130