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      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_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_
      7 
      8 #include <string>
      9 
     10 #include "base/compiler_specific.h"
     11 #include "content/public/browser/notification_observer.h"
     12 #include "content/public/browser/notification_registrar.h"
     13 #include "ui/gfx/native_widget_types.h"
     14 #include "ui/gfx/size.h"
     15 #include "ui/web_dialogs/web_dialog_delegate.h"
     16 #include "url/gurl.h"
     17 
     18 namespace content {
     19 class BrowserContext;
     20 }
     21 
     22 namespace chromeos {
     23 
     24 class BubbleFrameView;
     25 
     26 // Launches web dialog during OOBE/Login with specified URL and title.
     27 class LoginWebDialog : public ui::WebDialogDelegate,
     28                        public content::NotificationObserver {
     29  public:
     30   // Delegate class to get notifications from the dialog.
     31   class Delegate {
     32    public:
     33     // Called when dialog has been closed.
     34     virtual void OnDialogClosed();
     35 
     36    protected:
     37     virtual ~Delegate() {}
     38   };
     39 
     40   enum Style {
     41     STYLE_GENERIC, // Use generic CreateChromeWindow as a host.
     42     STYLE_BUBBLE   // Use chromeos::BubbleWindow as a host.
     43   };
     44 
     45   LoginWebDialog(content::BrowserContext* browser_context,
     46                  Delegate* delegate,
     47                  gfx::NativeWindow parent_window,
     48                  const base::string16& title,
     49                  const GURL& url,
     50                  Style style);
     51   virtual ~LoginWebDialog();
     52 
     53   void Show();
     54 
     55   // Overrides default width/height for dialog.
     56   void SetDialogSize(int width, int height);
     57 
     58   // Overrides dialog title.
     59   void SetDialogTitle(const base::string16& title);
     60 
     61   void set_url(const GURL& url) { url_ = url; }
     62 
     63   bool is_open() const { return is_open_; }
     64 
     65   static content::WebContents* GetCurrentWebContents();
     66 
     67  protected:
     68   // ui::WebDialogDelegate implementation.
     69   virtual ui::ModalType GetDialogModalType() const OVERRIDE;
     70   virtual base::string16 GetDialogTitle() const OVERRIDE;
     71   virtual GURL GetDialogContentURL() const OVERRIDE;
     72   virtual void GetWebUIMessageHandlers(
     73       std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
     74   virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
     75   virtual void GetMinimumDialogSize(gfx::Size* size) const OVERRIDE;
     76   virtual std::string GetDialogArgs() const OVERRIDE;
     77   virtual void OnDialogShown(
     78       content::WebUI* webui,
     79       content::RenderViewHost* render_view_host) OVERRIDE;
     80   // NOTE: This function deletes this object at the end.
     81   virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
     82   virtual void OnCloseContents(
     83       content::WebContents* source, bool* out_close_dialog) OVERRIDE;
     84   virtual bool ShouldShowDialogTitle() const OVERRIDE;
     85   virtual bool HandleContextMenu(
     86       const content::ContextMenuParams& params) OVERRIDE;
     87 
     88   // content::NotificationObserver implementation.
     89   virtual void Observe(int type,
     90                        const content::NotificationSource& source,
     91                        const content::NotificationDetails& details) OVERRIDE;
     92 
     93  private:
     94   content::BrowserContext* browser_context_;
     95   gfx::NativeWindow parent_window_;
     96   // Notifications receiver.
     97   Delegate* delegate_;
     98 
     99   base::string16 title_;
    100   GURL url_;
    101   Style style_;
    102   content::NotificationRegistrar notification_registrar_;
    103   bool is_open_;
    104 
    105   // Dialog display size.
    106   int width_;
    107   int height_;
    108 
    109   DISALLOW_COPY_AND_ASSIGN(LoginWebDialog);
    110 };
    111 
    112 }  // namespace chromeos
    113 
    114 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_
    115