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      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
     79