chrome/browser/ui/cocoa/download/download_item_mac.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_UI_COCOA_DOWNLOAD_DOWNLOAD_ITEM_MAC_H_
   6 #define CHROME_BROWSER_UI_COCOA_DOWNLOAD_DOWNLOAD_ITEM_MAC_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #include "base/task/cancelable_task_tracker.h"
  11 #include "chrome/browser/download/download_item_model.h"
  12 #include "chrome/browser/icon_manager.h"
  13 #include "content/public/browser/download_item.h"
  14 #include "content/public/browser/download_manager.h"
  15
  16 @class DownloadItemController;
  17
  18 namespace gfx{
  19 class Image;
  20 }
  21
  22 // A class that bridges the visible mac download items to chromium's download
  23 // model. The owning object (DownloadItemController) must explicitly call
  24 // |LoadIcon| if it wants to display the icon associated with this download.
  25
  26 class DownloadItemMac : content::DownloadItem::Observer {
  27  public:
  28   DownloadItemMac(content::DownloadItem* download,
  29                   DownloadItemController* controller);
  30
  31   // Destructor.
  32   ~DownloadItemMac() override;
  33
  34   // content::DownloadItem::Observer implementation
  35   void OnDownloadUpdated(content::DownloadItem* download) override;
  36   void OnDownloadOpened(content::DownloadItem* download) override;
  37   void OnDownloadDestroyed(content::DownloadItem* download) override;
  38
  39   DownloadItemModel* download_model() { return &download_model_; }
  40
  41   // Asynchronous icon loading support.
  42   void LoadIcon();
  43
  44  private:
  45   // Callback for asynchronous icon loading.
  46   void OnExtractIconComplete(gfx::Image* icon_bitmap);
  47
  48   // The download item model we represent.
  49   DownloadItemModel download_model_;
  50
  51   // The objective-c controller object.
  52   DownloadItemController* item_controller_;  // weak, owns us.
  53
  54   // For canceling an in progress icon request.
  55   base::CancelableTaskTracker cancelable_task_tracker_;
  56
  57   // Stores the last known path where the file will be saved.
  58   base::FilePath lastFilePath_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(DownloadItemMac);
  61 };
  62
  63 #endif  // CHROME_BROWSER_UI_COCOA_DOWNLOAD_DOWNLOAD_ITEM_MAC_H_