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1 // Copyright 2013 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 APPS_APP_SHIM_EXTENSION_APP_SHIM_HANDLER_MAC_H_
6 #define APPS_APP_SHIM_EXTENSION_APP_SHIM_HANDLER_MAC_H_
7 
8 #include <map>
9 #include <string>
10 #include <vector>
11 
12 #include "apps/app_lifetime_monitor.h"
13 #include "apps/app_shim/app_shim_handler_mac.h"
14 #include "apps/app_window_registry.h"
15 #include "base/memory/scoped_ptr.h"
16 #include "base/memory/weak_ptr.h"
17 #include "content/public/browser/notification_observer.h"
18 #include "content/public/browser/notification_registrar.h"
19 
20 class Profile;
21 
22 namespace base {
23 class FilePath;
24 }
25 
26 namespace content {
27 class WebContents;
28 }
29 
30 namespace extensions {
31 class Extension;
32 }
33 
34 namespace apps {
35 
36 class AppWindow;
37 
38 // This app shim handler that handles events for app shims that correspond to an
39 // extension.
40 class ExtensionAppShimHandler : public AppShimHandler,
41                                 public content::NotificationObserver,
42                                 public AppLifetimeMonitor::Observer {
43  public:
44   class Delegate {
45    public:
~Delegate()46     virtual ~Delegate() {}
47 
48     virtual bool ProfileExistsForPath(const base::FilePath& path);
49     virtual Profile* ProfileForPath(const base::FilePath& path);
50     virtual void LoadProfileAsync(const base::FilePath& path,
51                                   base::Callback<void(Profile*)> callback);
52 
53     virtual AppWindowRegistry::AppWindowList GetWindows(
54         Profile* profile,
55         const std::string& extension_id);
56 
57     virtual const extensions::Extension* GetAppExtension(
58         Profile* profile, const std::string& extension_id);
59     virtual void EnableExtension(Profile* profile,
60                                  const std::string& extension_id,
61                                  const base::Callback<void()>& callback);
62     virtual void LaunchApp(Profile* profile,
63                            const extensions::Extension* extension,
64                            const std::vector<base::FilePath>& files);
65     virtual void LaunchShim(Profile* profile,
66                             const extensions::Extension* extension);
67 
68     virtual void MaybeTerminate();
69   };
70 
71   ExtensionAppShimHandler();
72   virtual ~ExtensionAppShimHandler();
73 
74   AppShimHandler::Host* FindHost(Profile* profile, const std::string& app_id);
75 
76   static void QuitAppForWindow(AppWindow* app_window);
77 
78   static void HideAppForWindow(AppWindow* app_window);
79 
80   static void FocusAppForWindow(AppWindow* app_window);
81 
82   // Brings the window to the front without showing it and instructs the shim to
83   // request user attention. Returns false if there is no shim for this window.
84   static bool RequestUserAttentionForWindow(AppWindow* app_window);
85 
86   // AppShimHandler overrides:
87   virtual void OnShimLaunch(Host* host,
88                             AppShimLaunchType launch_type,
89                             const std::vector<base::FilePath>& files) OVERRIDE;
90   virtual void OnShimClose(Host* host) OVERRIDE;
91   virtual void OnShimFocus(Host* host,
92                            AppShimFocusType focus_type,
93                            const std::vector<base::FilePath>& files) OVERRIDE;
94   virtual void OnShimSetHidden(Host* host, bool hidden) OVERRIDE;
95   virtual void OnShimQuit(Host* host) OVERRIDE;
96 
97   // AppLifetimeMonitor::Observer overrides:
98   virtual void OnAppStart(Profile* profile, const std::string& app_id) OVERRIDE;
99   virtual void OnAppActivated(Profile* profile,
100                               const std::string& app_id) OVERRIDE;
101   virtual void OnAppDeactivated(Profile* profile,
102                                 const std::string& app_id) OVERRIDE;
103   virtual void OnAppStop(Profile* profile, const std::string& app_id) OVERRIDE;
104   virtual void OnChromeTerminating() OVERRIDE;
105 
106   // content::NotificationObserver overrides:
107   virtual void Observe(int type,
108                        const content::NotificationSource& source,
109                        const content::NotificationDetails& details) OVERRIDE;
110 
111  protected:
112   typedef std::map<std::pair<Profile*, std::string>, AppShimHandler::Host*>
113       HostMap;
114 
115   // Exposed for testing.
116   void set_delegate(Delegate* delegate);
hosts()117   HostMap& hosts() { return hosts_; }
registrar()118   content::NotificationRegistrar& registrar() { return registrar_; }
119 
120  private:
121   // This is passed to Delegate::LoadProfileAsync for shim-initiated launches
122   // where the profile was not yet loaded.
123   void OnProfileLoaded(Host* host,
124                        AppShimLaunchType launch_type,
125                        const std::vector<base::FilePath>& files,
126                        Profile* profile);
127 
128   // This is passed to Delegate::EnableViaPrompt for shim-initiated launches
129   // where the extension is disabled.
130   void OnExtensionEnabled(const base::FilePath& profile_path,
131                           const std::string& app_id,
132                           const std::vector<base::FilePath>& files);
133 
134   scoped_ptr<Delegate> delegate_;
135 
136   HostMap hosts_;
137 
138   content::NotificationRegistrar registrar_;
139 
140   base::WeakPtrFactory<ExtensionAppShimHandler> weak_factory_;
141 
142   DISALLOW_COPY_AND_ASSIGN(ExtensionAppShimHandler);
143 };
144 
145 }  // namespace apps
146 
147 #endif  // APPS_APP_SHIM_EXTENSION_APP_SHIM_HANDLER_MAC_H_
148