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      1 // Copyright (c) 2012 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_UI_APP_MODAL_DIALOGS_JAVASCRIPT_APP_MODAL_DIALOG_H_
      6 #define CHROME_BROWSER_UI_APP_MODAL_DIALOGS_JAVASCRIPT_APP_MODAL_DIALOG_H_
      7 
      8 #include <map>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/time/time.h"
     13 #include "chrome/browser/ui/app_modal_dialogs/app_modal_dialog.h"
     14 #include "content/public/browser/javascript_dialog_manager.h"
     15 
     16 // Extra data for JavaScript dialogs to add Chrome-only features.
     17 class ChromeJavaScriptDialogExtraData {
     18  public:
     19   ChromeJavaScriptDialogExtraData();
     20 
     21   // The time that the last JavaScript dialog was dismissed.
     22   base::TimeTicks last_javascript_message_dismissal_;
     23 
     24   // True if the user has decided to block future JavaScript dialogs.
     25   bool suppress_javascript_messages_;
     26 };
     27 
     28 // A controller + model class for JavaScript alert, confirm, prompt, and
     29 // onbeforeunload dialog boxes.
     30 class JavaScriptAppModalDialog : public AppModalDialog {
     31  public:
     32   typedef std::map<void*, ChromeJavaScriptDialogExtraData> ExtraDataMap;
     33 
     34   JavaScriptAppModalDialog(
     35       content::WebContents* web_contents,
     36       ExtraDataMap* extra_data_map,
     37       const string16& title,
     38       content::JavaScriptMessageType javascript_message_type,
     39       const string16& message_text,
     40       const string16& default_prompt_text,
     41       bool display_suppress_checkbox,
     42       bool is_before_unload_dialog,
     43       bool is_reload,
     44       const content::JavaScriptDialogManager::DialogClosedCallback& callback);
     45   virtual ~JavaScriptAppModalDialog();
     46 
     47   // Overridden from AppModalDialog:
     48   virtual NativeAppModalDialog* CreateNativeDialog() OVERRIDE;
     49   virtual bool IsJavaScriptModalDialog() OVERRIDE;
     50   virtual void Invalidate() OVERRIDE;
     51 
     52   // Callbacks from NativeDialog when the user accepts or cancels the dialog.
     53   void OnCancel(bool suppress_js_messages);
     54   void OnAccept(const string16& prompt_text, bool suppress_js_messages);
     55 
     56   // NOTE: This is only called under Views, and should be removed. Any critical
     57   // work should be done in OnCancel or OnAccept. See crbug.com/63732 for more.
     58   void OnClose();
     59 
     60   // Used only for testing. The dialog will use the given text when notifying
     61   // its delegate instead of whatever the UI reports.
     62   void SetOverridePromptText(const string16& prompt_text);
     63 
     64   // Accessors
     65   content::JavaScriptMessageType javascript_message_type() const {
     66     return javascript_message_type_;
     67   }
     68   string16 message_text() const { return message_text_; }
     69   string16 default_prompt_text() const { return default_prompt_text_; }
     70   bool display_suppress_checkbox() const { return display_suppress_checkbox_; }
     71   bool is_before_unload_dialog() const { return is_before_unload_dialog_; }
     72   bool is_reload() const { return is_reload_; }
     73 
     74  private:
     75   // Notifies the delegate with the result of the dialog.
     76   void NotifyDelegate(bool success, const string16& prompt_text,
     77                       bool suppress_js_messages);
     78 
     79   // A map of extra Chrome-only data associated with the delegate_.
     80   // Can be inspected via extra_data_map_[web_contents_].
     81   ExtraDataMap* extra_data_map_;
     82 
     83   // Information about the message box is held in the following variables.
     84   const content::JavaScriptMessageType javascript_message_type_;
     85   string16 message_text_;
     86   string16 default_prompt_text_;
     87   bool display_suppress_checkbox_;
     88   bool is_before_unload_dialog_;
     89   bool is_reload_;
     90 
     91   content::JavaScriptDialogManager::DialogClosedCallback callback_;
     92 
     93   // Used only for testing. Specifies alternative prompt text that should be
     94   // used when notifying the delegate, if |use_override_prompt_text_| is true.
     95   string16 override_prompt_text_;
     96   bool use_override_prompt_text_;
     97 
     98   DISALLOW_COPY_AND_ASSIGN(JavaScriptAppModalDialog);
     99 };
    100 
    101 #endif  // CHROME_BROWSER_UI_APP_MODAL_DIALOGS_JAVASCRIPT_APP_MODAL_DIALOG_H_
    102