chrome/browser/ui/website_settings/permission_bubble_request.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_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_REQUEST_H_
   6 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_REQUEST_H_
   7
   8 #include "base/strings/string16.h"
   9
  10 // Describes the interface a feature utilizing permission bubbles should
  11 // implement. A class of this type is registered with the permission bubble
  12 // manager to receive updates about the result of the permissions request
  13 // from the bubble. It should live until it is unregistered or until
  14 // PermissionsBubbleDestroyed is called.
  15 // Note that no particular guarantees are made about what exact UI surface
  16 // is presented to the user. The delegate may be coalesced with other bubble
  17 // requests, or depending on the situation, not shown at all.
  18 class PermissionBubbleRequest {
  19  public:
  20   virtual ~PermissionBubbleRequest() {}
  21
  22   // Returns the full prompt text for this permission. This is the only text
  23   // that will be shown in the single-permission case and should be phrased
  24   // positively as a complete sentence.
  25   virtual base::string16 GetMessageText() const = 0;
  26
  27   // Returns the shortened prompt text for this permission.  Must be phrased
  28   // positively -- the permission bubble may coalesce different requests, and
  29   // if it does, this text will be displayed next to a bullet or checkbox
  30   // indicating the user grants the permission.
  31   virtual base::string16 GetMessageTextFragment() const = 0;
  32
  33   // May return alternative text for the accept button in the case where this
  34   // single permission request is triggered in the bubble. If it returns an
  35   // empty string the default is used.
  36   // If the permission request is coalesced, the text will revert to the default
  37   // "Accept"-alike, so the message text must be clear enough for users to
  38   // understand even if this text is not used.
  39   virtual base::string16 GetAlternateAcceptButtonText() const = 0;
  40
  41   // May return alternative text for the deny button in the case where this
  42   // single permission request is triggered in the bubble. If it returns an
  43   // empty string the default is used. This text may not be used at all,
  44   // so the |GetMessageText()| prompt should be clear enough to convey the
  45   // permission request with generic button text.
  46   virtual base::string16 GetAlternateDenyButtonText() const = 0;
  47
  48   // Called when the user has granted the requested permission.
  49   virtual void PermissionGranted() = 0;
  50
  51   // Called when the user has denied the requested permission.
  52   virtual void PermissionDenied() = 0;
  53
  54   // Called when the user has cancelled the permission request. This
  55   // corresponds to a denial, but is segregated in case the context needs to
  56   // be able to distinguish between an active refusal or an implicit refusal.
  57   virtual void Cancelled() = 0;
  58
  59   // The bubble this request was associated with was answered by the user.
  60   // It is safe for the request to be deleted at this point -- it will receive
  61   // no further message from the permission bubble system. This method will
  62   // eventually be called on every request which is not unregistered.
  63   virtual void RequestFinished() = 0;
  64 };
  65
  66 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_REQUEST_H_