chrome/browser/android/download/download_overwrite_infobar_delegate.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_ANDROID_DOWNLOAD_DOWNLOAD_OVERWRITE_INFOBAR_DELEGATE_H_
   6 #define CHROME_BROWSER_ANDROID_DOWNLOAD_DOWNLOAD_OVERWRITE_INFOBAR_DELEGATE_H_
   7
   8 #include "base/android/scoped_java_ref.h"
   9 #include "base/callback.h"
  10 #include "base/files/file_path.h"
  11 #include "chrome/browser/download/download_target_determiner_delegate.h"
  12 #include "components/infobars/core/infobar_delegate.h"
  13
  14 class InfoBarService;
  15
  16 namespace chrome {
  17 namespace android {
  18
  19 // An infobar that asks if it is ok to overwrite an
  20 // existing file. Due to limited disk space on Android, two options are
  21 // presented to the user when downloading a file whose name conflicts with an
  22 // already present file:
  23 //
  24 // 1. Overwrite the file.
  25 // 2. Create a new file.
  26 //
  27 // Also, the user can dismiss the infobar to abort the download.
  28 //
  29 // Note that this infobar does not expire if the user subsequently navigates,
  30 // since such navigations won't automatically cancel the underlying download.
  31 class DownloadOverwriteInfoBarDelegate : public infobars::InfoBarDelegate {
  32  public:
  33   // This is called when the user chooses to overwrite the existing file.
  34   // If handling the operation results in dismissing the infobar, returns false
  35   // (i.e. the caller must not dismiss the infobar).
  36   virtual bool OverwriteExistingFile() = 0;
  37
  38   // This is called when the user chooses to create a new file.
  39   // If handling the operation results in dismissing the infobar, returns false
  40   // (i.e. the caller must not dismiss the infobar).
  41   virtual bool CreateNewFile() = 0;
  42
  43   // Gets the file name to be downloaded.
  44   virtual std::string GetFileName() const = 0;
  45   // Gets the download directory name.
  46   virtual std::string GetDirName() const = 0;
  47   // Gets the full directory path.
  48   virtual std::string GetDirFullPath() const = 0;
  49
  50   bool ShouldExpire(const NavigationDetails& details) const override;
  51 };
  52
  53 }  // namespace android
  54 }  // namespace chrome
  55
  56 #endif  // CHROME_BROWSER_ANDROID_DOWNLOAD_DOWNLOAD_OVERWRITE_INFOBAR_DELEGATE_H_