Index: components/download/content/download_driver_impl.cc |
diff --git a/components/download/content/download_driver_impl.cc b/components/download/content/download_driver_impl.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5cd0531a68682a11cf28a8c3403cfbbcf7c62c26 |
--- /dev/null |
+++ b/components/download/content/download_driver_impl.cc |
@@ -0,0 +1,114 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "components/download/content/download_driver_impl.h" |
+ |
+#include "base/files/file_path.h" |
+#include "content/public/browser/download_interrupt_reasons.h" |
+#include "content/public/browser/download_url_parameters.h" |
+#include "content/public/browser/storage_partition.h" |
+ |
+namespace download { |
+ |
+DownloadDriverImpl::DownloadDriverImpl(content::DownloadManager* manager) |
+ : download_manager_(manager), observer_(nullptr) { |
+ DCHECK(download_manager_); |
+ download_manager_->AddObserver(this); |
+} |
+ |
+DownloadDriverImpl::~DownloadDriverImpl() = default; |
+ |
+void DownloadDriverImpl::Start(const DownloadParams& params) { |
+ DCHECK(!params.request_params.url.is_empty()); |
+ DCHECK(!params.guid.empty()); |
+ |
+ content::StoragePartition* storage_partition = |
+ content::BrowserContext::GetStoragePartitionForSite( |
+ download_manager_->GetBrowserContext(), params.request_params.url); |
+ DCHECK(storage_partition); |
+ |
+ std::unique_ptr<content::DownloadUrlParameters> download_url_params( |
+ new content::DownloadUrlParameters( |
+ params.request_params.url, |
+ storage_partition->GetURLRequestContext())); |
+ |
+ // TODO(xingliu): Handles the request headers from |params|, needs to tweak |
David Trainor- moved to gerrit
2017/05/15 20:08:14
Handles -> Handle, needs -> need Passes -> Pass
xingliu
2017/05/17 19:34:52
Done.
|
+ // download network stack. Passes the file path and file name. |
David Trainor- moved to gerrit
2017/05/15 20:08:14
We should make the file name the guid or something
xingliu
2017/05/17 19:34:52
Done.
|
+ download_url_params->set_guid(params.guid); |
+ download_url_params->set_transient(true); |
+ download_url_params->set_method(params.request_params.method); |
+ |
+ download_manager_->DownloadUrl(std::move(download_url_params)); |
+} |
+ |
+void DownloadDriverImpl::Cancel(const std::string& guid) { |
+ content::DownloadItem* item = download_manager_->GetDownloadByGuid(guid); |
+ // Cancels the download and removes the persisted records in content layer. |
+ if (item) { |
+ item->RemoveObserver(this); |
+ item->Remove(); |
+ } |
+} |
+ |
+void DownloadDriverImpl::Pause(const std::string& guid) { |
+ content::DownloadItem* item = download_manager_->GetDownloadByGuid(guid); |
+ if (item) |
+ item->Pause(); |
+} |
+ |
+void DownloadDriverImpl::Resume(const std::string& guid) { |
+ content::DownloadItem* item = download_manager_->GetDownloadByGuid(guid); |
+ if (item) |
+ item->Resume(); |
+} |
+ |
+bool DownloadDriverImpl::IsReady() const { |
+ return download_manager_->IsManagerInitialized(); |
+} |
+ |
+void DownloadDriverImpl::SetObserver(DownloadDriver::Observer* observer) { |
+ observer_ = observer; |
David Trainor- moved to gerrit
2017/05/15 20:08:14
Do we need to notify the observer that we're initi
xingliu
2017/05/17 19:34:52
Done, change to pass a Client* through Initialize
|
+} |
+ |
+void DownloadDriverImpl::OnDownloadUpdated(content::DownloadItem* item) { |
+ DCHECK(item); |
+ if (!observer_) |
+ return; |
+ |
+ using DownloadState = content::DownloadItem::DownloadState; |
+ DownloadState state = item->GetState(); |
+ content::DownloadInterruptReason reason = item->GetLastReason(); |
+ |
+ if (state == DownloadState::COMPLETE) { |
+ observer_->OnDownloadSucceeded(item->GetGuid(), item->GetTargetFilePath(), |
+ item->GetReceivedBytes()); |
David Trainor- moved to gerrit
2017/05/15 20:08:14
Remove observer on the item here and/or when it fa
xingliu
2017/05/17 19:34:52
Done, good catch.
|
+ } else if (state == DownloadState::IN_PROGRESS) { |
+ observer_->OnDownloadUpdated(item->GetGuid(), item->GetReceivedBytes()); |
David Trainor- moved to gerrit
2017/05/15 20:08:14
We'll need estimated progress as well. Would it j
xingliu
2017/05/17 19:34:52
Done.
|
+ } else if (reason != |
+ content::DownloadInterruptReason::DOWNLOAD_INTERRUPT_REASON_NONE) { |
David Trainor- moved to gerrit
2017/05/15 20:08:14
We probably need all of the paused/resumed informa
xingliu
2017/05/17 19:34:52
Done. added the is_paused, if we need more thing w
|
+ observer_->OnDownloadFailed(item->GetGuid(), static_cast<int>(reason)); |
+ } |
+} |
+ |
+void DownloadDriverImpl::OnDownloadCreated(content::DownloadManager* manager, |
+ content::DownloadItem* item) { |
+ // Listens to all downloads. |
+ item->AddObserver(this); |
+ |
+ // TODO(xingliu): Pumps the response headers if needed from download network |
+ // stack. |
+ if (observer_) |
+ observer_->OnDownloadCreated(item->GetGuid()); |
+} |
+ |
+void DownloadDriverImpl::OnManagerInitialized() { |
+ if (observer_) |
+ observer_->OnDriverReady(); |
+} |
+ |
+void DownloadDriverImpl::ManagerGoingDown(content::DownloadManager* manager) { |
+ manager->RemoveObserver(this); |
+} |
+ |
+} // namespace download |