chrome/browser/download/notification/download_item_notification.h

   1 // Copyright 2015 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_DOWNLOAD_NOTIFICATION_DOWNLOAD_ITEM_NOTIFICATION_H_
   6 #define CHROME_BROWSER_DOWNLOAD_NOTIFICATION_DOWNLOAD_ITEM_NOTIFICATION_H_
   7
   8 #include "base/strings/string_number_conversions.h"
   9 #include "chrome/browser/download/download_commands.h"
  10 #include "chrome/browser/download/notification/download_notification.h"
  11 #include "chrome/browser/image_decoder.h"
  12 #include "chrome/browser/notifications/notification.h"
  13 #include "chrome/browser/notifications/notification_delegate.h"
  14 #include "chrome/browser/notifications/notification_test_util.h"
  15 #include "content/public/browser/download_item.h"
  16 #include "grit/theme_resources.h"
  17 #include "third_party/skia/include/core/SkBitmap.h"
  18 #include "ui/message_center/message_center.h"
  19 #include "ui/message_center/message_center_observer.h"
  20
  21 namespace test {
  22 class DownloadItemNotificationTest;
  23 }
  24
  25 class DownloadItemNotification : public DownloadNotification,
  26                                  public ImageDecoder::ImageRequest {
  27  public:
  28   DownloadItemNotification(content::DownloadItem* item,
  29                            DownloadNotificationManagerForProfile* manager);
  30
  31   ~DownloadItemNotification() override;
  32
  33   // Methods called from NotificationWatcher.
  34   void OnDownloadUpdated(content::DownloadItem* item) override;
  35   void OnDownloadRemoved(content::DownloadItem* item) override;
  36   void OnNotificationClose() override;
  37   void OnNotificationClick() override;
  38   void OnNotificationButtonClick(int button_index) override;
  39   std::string GetNotificationId() const override;
  40
  41  private:
  42   friend class test::DownloadItemNotificationTest;
  43
  44   enum ImageDecodeStatus { NOT_STARTED, IN_PROGRESS, DONE, FAILED, NOT_IMAGE };
  45
  46   enum NotificationUpdateType {
  47     ADD,
  48     UPDATE,
  49     UPDATE_AND_POPUP
  50   };
  51
  52   void CloseNotificationByUser();
  53   void CloseNotificationByNonUser();
  54   void Update();
  55   void UpdateNotificationData(NotificationUpdateType type);
  56
  57   // Set icon of the notification.
  58   void SetNotificationIcon(int resource_id);
  59
  60   // Set preview image of the notification. Must be called on IO thread.
  61   void OnImageLoaded(const std::string& image_data);
  62
  63   // ImageDecoder::ImageRequest overrides:
  64   void OnImageDecoded(const SkBitmap& decoded_image) override;
  65   void OnDecodeImageFailed() override;
  66
  67   // Returns a short one-line status string for the download.
  68   base::string16 GetTitle() const;
  69
  70   // Returns a short one-line status string for a download command.
  71   base::string16 GetCommandLabel(DownloadCommands::Command command) const;
  72
  73   // Get the warning test to notify a dangerous download. Should only be called
  74   // if IsDangerous() is true.
  75   base::string16 GetWarningText() const;
  76
  77   bool IsNotificationVisible() const;
  78
  79   Browser* GetBrowser() const;
  80   Profile* profile() const;
  81
  82   // Returns the list of possible extra (all except the default) actions.
  83   scoped_ptr<std::vector<DownloadCommands::Command>> GetExtraActions() const;
  84
  85   // Flag to show the notification on next update. If true, the notification
  86   // goes visible. The initial value is true so it gets shown on initial update.
  87   bool show_next_ = true;
  88   // Current vilibility status of the notification.
  89   bool visible_ = false;
  90
  91   int image_resource_id_ = 0;
  92   content::DownloadItem::DownloadState previous_download_state_ =
  93       content::DownloadItem::MAX_DOWNLOAD_STATE;  // As uninitialized state
  94   bool previous_dangerous_state_ = false;
  95   scoped_ptr<Notification> notification_;
  96   content::DownloadItem* item_;
  97   scoped_ptr<std::vector<DownloadCommands::Command>> button_actions_;
  98
  99   // Status of the preview image decode.
 100   ImageDecodeStatus image_decode_status_ = NOT_STARTED;
 101
 102   base::WeakPtrFactory<DownloadItemNotification> weak_factory_;
 103
 104   DISALLOW_COPY_AND_ASSIGN(DownloadItemNotification);
 105 };
 106
 107 #endif  // CHROME_BROWSER_DOWNLOAD_NOTIFICATION_DOWNLOAD_ITEM_NOTIFICATION_H_