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
123
124
125
126
127
128
129
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_ASH_SHELF_BROWSER_STATUS_MONITOR_H_
#define CHROME_BROWSER_UI_ASH_SHELF_BROWSER_STATUS_MONITOR_H_
#include <stdint.h>
#include <map>
#include <memory>
#include <set>
#include <string>
#include "base/check_op.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/ash/shelf/app_service/app_service_instance_registry_helper.h"
#include "chrome/browser/ui/ash/shelf/chrome_shelf_controller.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/browser_tab_strip_tracker.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
class Browser;
// BrowserStatusMonitor monitors creation/deletion of Browser and its
// TabStripModel to keep the shelf representation up to date as the
// active tab changes.
class BrowserStatusMonitor : public BrowserListObserver,
public TabStripModelObserver {
public:
explicit BrowserStatusMonitor(ChromeShelfController* shelf_controller);
BrowserStatusMonitor(const BrowserStatusMonitor&) = delete;
BrowserStatusMonitor& operator=(const BrowserStatusMonitor&) = delete;
~BrowserStatusMonitor() override;
// Do the initialization work. Note: the init phase is separate from
// construction because this function will make callbacks to
// ChromeShelfController and ChromeShelfController creates an instance of this
// class in its own constructor and may not be fully initialized yet.
void Initialize();
// A function which gets called when the current user has changed.
// Note that this function is called by the ChromeShelfController to be
// able to do the activation in a proper order - rather then setting an
// observer.
void ActiveUserChanged(const std::string& user_email);
// A shortcut to call the ChromeShelfController's UpdateAppState().
void UpdateAppItemState(content::WebContents* contents, bool remove);
// A shortcut to call the BrowserShortcutShelfItemController's
// UpdateBrowserItemState().
void UpdateBrowserItemState();
// BrowserListObserver overrides:
void OnBrowserAdded(Browser* browser) override;
void OnBrowserRemoved(Browser* browser) override;
// TabStripModelObserver overrides:
void OnTabStripModelChanged(
TabStripModel* tab_strip_model,
const TabStripModelChange& change,
const TabStripSelectionChange& selection) override;
private:
// Add a windowed browser-based app to the shelf.
void AddAppBrowserToShelf(Browser* browser);
// Remove a windowed browser-based app from the shelf.
void RemoveAppBrowserFromShelf(Browser* browser);
// Check if an application is currently in the shelf by browser or app id.
bool IsAppBrowserInShelf(Browser* browser);
bool IsAppBrowserInShelfWithAppId(const std::string& app_id);
class LocalWebContentsObserver;
// Called by TabStripModelChanged()
void OnActiveTabChanged(content::WebContents* old_contents,
content::WebContents* new_contents);
void OnTabReplaced(TabStripModel* tab_strip_model,
content::WebContents* old_contents,
content::WebContents* new_contents);
void OnTabInserted(TabStripModel* tab_strip_model,
content::WebContents* contents);
void OnTabClosing(content::WebContents* contents);
// Tab is moved between browsers
void OnTabMoved(TabStripModel* tab_strip_model,
content::WebContents* contents);
// Called by LocalWebContentsObserver.
void OnTabNavigationFinished(content::WebContents* contents);
// Create LocalWebContentsObserver for |contents|.
void AddWebContentsObserver(content::WebContents* contents);
// Remove LocalWebContentsObserver for |contents|.
void RemoveWebContentsObserver(content::WebContents* contents);
// Sets the shelf id for browsers represented by the browser shortcut item.
void SetShelfIDForBrowserWindowContents(Browser* browser,
content::WebContents* web_contents);
raw_ptr<ChromeShelfController> shelf_controller_;
std::map<Browser*, std::string> browser_to_app_id_map_;
std::map<content::WebContents*, std::unique_ptr<LocalWebContentsObserver>>
webcontents_to_observer_map_;
BrowserTabStripTracker browser_tab_strip_tracker_;
bool initialized_ = false;
raw_ptr<AppServiceInstanceRegistryHelper> app_service_instance_helper_ =
nullptr;
#if DCHECK_IS_ON()
// Browsers for which OnBrowserAdded() was called, but not OnBrowserRemoved().
// Used to validate that OnBrowserAdded() is invoked before
// OnTabStripModelChanged().
std::set<raw_ptr<Browser, SetExperimental>> known_browsers_;
// Tabs that are removed from one browser and are getting reinserted into
// another.
std::set<raw_ptr<content::WebContents>> tabs_in_transit_;
#endif
};
#endif // CHROME_BROWSER_UI_ASH_SHELF_BROWSER_STATUS_MONITOR_H_
|
