chrome/browser/signin/chrome_signin_client.h

   1 // Copyright 2014 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_SIGNIN_CHROME_SIGNIN_CLIENT_H_
   6 #define CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "components/keyed_service/core/keyed_service.h"
  11 #include "components/signin/core/browser/signin_client.h"
  12 #include "content/public/browser/notification_observer.h"
  13 #include "content/public/browser/notification_registrar.h"
  14 #include "content/public/browser/render_process_host_observer.h"
  15
  16 class CookieSettings;
  17 class Profile;
  18
  19 class ChromeSigninClient : public SigninClient,
  20                            public KeyedService,
  21                            public content::NotificationObserver,
  22                            public content::RenderProcessHostObserver {
  23  public:
  24   explicit ChromeSigninClient(Profile* profile);
  25   virtual ~ChromeSigninClient();
  26
  27   // Utility methods.
  28   static bool ProfileAllowsSigninCookies(Profile* profile);
  29   static bool SettingsAllowSigninCookies(CookieSettings* cookie_settings);
  30
  31   // Tracks the privileged signin process identified by |host_id| so that we
  32   // can later ask (via IsSigninProcess) if it is safe to sign the user in from
  33   // the current context (see OneClickSigninHelper).  All of this tracking
  34   // state is reset once the renderer process terminates.
  35   //
  36   // N.B. This is the id returned by RenderProcessHost::GetID().
  37   // TODO(guohui): Eliminate these APIs once the web-based signin flow is
  38   // replaced by a native flow. crbug.com/347247
  39   void SetSigninProcess(int host_id);
  40   void ClearSigninProcess();
  41   bool IsSigninProcess(int host_id) const;
  42   bool HasSigninProcess() const;
  43
  44   // content::RenderProcessHostObserver implementation.
  45   virtual void RenderProcessHostDestroyed(content::RenderProcessHost* host)
  46       OVERRIDE;
  47
  48   // SigninClient implementation.
  49   virtual PrefService* GetPrefs() OVERRIDE;
  50   virtual scoped_refptr<TokenWebData> GetDatabase() OVERRIDE;
  51   virtual bool CanRevokeCredentials() OVERRIDE;
  52   virtual net::URLRequestContextGetter* GetURLRequestContext() OVERRIDE;
  53   virtual bool ShouldMergeSigninCredentialsIntoCookieJar() OVERRIDE;
  54
  55   // Returns a string describing the chrome version environment. Version format:
  56   // <Build Info> <OS> <Version number> (<Last change>)<channel or "-devel">
  57   // If version information is unavailable, returns "invalid."
  58   virtual std::string GetProductVersion() OVERRIDE;
  59   virtual void SetCookieChangedCallback(const CookieChangedCallback& callback)
  60       OVERRIDE;
  61   virtual void GoogleSigninSucceeded(const std::string& username,
  62                                      const std::string& password) OVERRIDE;
  63
  64   // content::NotificationObserver implementation.
  65   virtual void Observe(int type,
  66                        const content::NotificationSource& source,
  67                        const content::NotificationDetails& details) OVERRIDE;
  68
  69  private:
  70   void RegisterForCookieChangedNotification();
  71   void UnregisterForCookieChangedNotification();
  72
  73   Profile* profile_;
  74   content::NotificationRegistrar registrar_;
  75
  76   // The callback that if non-empty will be called when notifications about
  77   // cookie changes are received.
  78   CookieChangedCallback callback_;
  79
  80   // See SetSigninProcess. Tracks the currently active signin process
  81   // by ID, if there is one.
  82   int signin_host_id_;
  83
  84   // The RenderProcessHosts being observed.
  85   std::set<content::RenderProcessHost*> signin_hosts_observed_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(ChromeSigninClient);
  88 };
  89
  90 #endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_