content/browser/download/download_item_impl_delegate.cc

   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 #include "content/browser/download/download_item_impl_delegate.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/download/download_item_impl.h"
   9
  10 namespace content {
  11
  12 // Infrastructure in DownloadItemImplDelegate to assert invariant that
  13 // delegate always outlives all attached DownloadItemImpls.
  14 DownloadItemImplDelegate::DownloadItemImplDelegate()
  15     : count_(0) {}
  16
  17 DownloadItemImplDelegate::~DownloadItemImplDelegate() {
  18   DCHECK_EQ(0, count_);
  19 }
  20
  21 void DownloadItemImplDelegate::Attach() {
  22   ++count_;
  23 }
  24
  25 void DownloadItemImplDelegate::Detach() {
  26   DCHECK_LT(0, count_);
  27   --count_;
  28 }
  29
  30 void DownloadItemImplDelegate::DetermineDownloadTarget(
  31     DownloadItemImpl* download, const DownloadTargetCallback& callback) {
  32   // TODO(rdsmith/asanka): Do something useful if forced file path is null.
  33   base::FilePath target_path(download->GetForcedFilePath());
  34   callback.Run(target_path,
  35                DownloadItem::TARGET_DISPOSITION_OVERWRITE,
  36                DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
  37                target_path);
  38 }
  39
  40 bool DownloadItemImplDelegate::ShouldCompleteDownload(
  41     DownloadItemImpl* download,
  42     const base::Closure& complete_callback) {
  43   return true;
  44 }
  45
  46 bool DownloadItemImplDelegate::ShouldOpenDownload(
  47     DownloadItemImpl* download, const ShouldOpenDownloadCallback& callback) {
  48   return false;
  49 }
  50
  51 bool DownloadItemImplDelegate::ShouldOpenFileBasedOnExtension(
  52     const base::FilePath& path) {
  53   return false;
  54 }
  55
  56 void DownloadItemImplDelegate::CheckForFileRemoval(
  57     DownloadItemImpl* download_item) {}
  58
  59 void DownloadItemImplDelegate::ResumeInterruptedDownload(
  60     scoped_ptr<DownloadUrlParameters> params, uint32 id) {}
  61
  62 BrowserContext* DownloadItemImplDelegate::GetBrowserContext() const {
  63   return NULL;
  64 }
  65
  66 void DownloadItemImplDelegate::UpdatePersistence(DownloadItemImpl* download) {}
  67
  68 void DownloadItemImplDelegate::OpenDownload(DownloadItemImpl* download) {}
  69
  70 void DownloadItemImplDelegate::ShowDownloadInShell(DownloadItemImpl* download) {
  71 }
  72
  73 void DownloadItemImplDelegate::DownloadRemoved(DownloadItemImpl* download) {}
  74
  75 void DownloadItemImplDelegate::AssertStateConsistent(
  76     DownloadItemImpl* download) const {}
  77
  78 }  // namespace content