chrome/browser/extensions/extension_uninstall_dialog.h

   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_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "ui/gfx/image/image_skia.h"
  12 #include "ui/gfx/native_widget_types.h"
  13
  14 class Profile;
  15
  16 namespace base {
  17 class MessageLoop;
  18 }
  19
  20 namespace gfx {
  21 class Image;
  22 }
  23
  24 namespace extensions {
  25 class Extension;
  26
  27 class ExtensionUninstallDialog
  28     : public base::SupportsWeakPtr<ExtensionUninstallDialog> {
  29  public:
  30   class Delegate {
  31    public:
  32     // We call this method to signal that the uninstallation should continue.
  33     virtual void ExtensionUninstallAccepted() = 0;
  34
  35     // We call this method to signal that the uninstallation should stop.
  36     virtual void ExtensionUninstallCanceled() = 0;
  37
  38    protected:
  39     virtual ~Delegate() {}
  40   };
  41
  42   // Creates a platform specific implementation of ExtensionUninstallDialog. The
  43   // dialog will be modal to |parent|, or a non-modal dialog if |parent| is
  44   // NULL.
  45   static ExtensionUninstallDialog* Create(Profile* profile,
  46                                           gfx::NativeWindow parent,
  47                                           Delegate* delegate);
  48
  49   virtual ~ExtensionUninstallDialog();
  50
  51   // This is called to verify whether the uninstallation should proceed.
  52   // Starts the process of showing a confirmation UI, which is split into two.
  53   // 1) Set off a 'load icon' task.
  54   // 2) Handle the load icon response and show the UI (OnImageLoaded).
  55   void ConfirmUninstall(const Extension* extension);
  56
  57   // This shows the same dialog as above, except it also shows which extension
  58   // triggered the dialog by calling chrome.management.uninstall API.
  59   void ConfirmProgrammaticUninstall(const Extension* extension,
  60                                     const Extension* triggering_extension);
  61
  62   std::string GetHeadingText();
  63
  64   // Returns true if a checkbox for reporting abuse should be shown.
  65   bool ShouldShowReportAbuseCheckbox() const;
  66
  67  protected:
  68   // Constructor used by the derived classes.
  69   ExtensionUninstallDialog(Profile* profile, Delegate* delegate);
  70
  71   // Handles the "report abuse" checkbox being checked at the close of the
  72   // dialog.
  73   void HandleReportAbuse();
  74
  75   // TODO(sashab): Remove protected members: crbug.com/397395
  76   Profile* const profile_;
  77
  78   // The delegate we will call Accepted/Canceled on after confirmation dialog.
  79   Delegate* delegate_;
  80
  81   // The extension we are showing the dialog for.
  82   const Extension* extension_;
  83
  84   // The extension triggering the dialog if the dialog was shown by
  85   // chrome.management.uninstall.
  86   const Extension* triggering_extension_;
  87
  88   // The extensions icon.
  89   gfx::ImageSkia icon_;
  90
  91  private:
  92   // Sets the icon that will be used in the dialog. If |icon| contains an empty
  93   // image, then we use a default icon instead.
  94   void SetIcon(const gfx::Image& image);
  95
  96   void OnImageLoaded(const std::string& extension_id, const gfx::Image& image);
  97
  98   // Displays the prompt. This should only be called after loading the icon.
  99   // The implementations of this method are platform-specific.
 100   virtual void Show() = 0;
 101
 102   base::MessageLoop* ui_loop_;
 103
 104   DISALLOW_COPY_AND_ASSIGN(ExtensionUninstallDialog);
 105 };
 106
 107 }  // namespace extensions
 108
 109 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_UNINSTALL_DIALOG_H_