Adding WebContent-free Download

content/browser/download/download_manager_impl.cc

 // Copyright (c) 2012 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 "content/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/debug/alias.h"
 #include "base/i18n/case_conversion.h"
 #include "base/logging.h"
+#include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/supports_user_data.h"
 #include "base/synchronization/lock.h"
 #include "build/build_config.h"
 #include "content/browser/byte_stream.h"
 #include "content/browser/download/download_create_info.h"
 #include "content/browser/download/download_file_factory.h"
@@ skipping 19 matching lines @@
 #include "net/base/load_flags.h"
 #include "net/base/request_priority.h"
 #include "net/base/upload_bytes_element_reader.h"
 #include "net/url_request/url_request_context.h"
 #include "url/origin.h"
 
 namespace content {
 namespace {
 
 void BeginDownload(scoped_ptr<DownloadUrlParameters> params,
-                   uint32 download_id) {
+                   uint32 download_id,
+                   base::WeakPtr<DownloadManagerImpl> download_manager,
+                   DownloadManagerImpl::Core* core) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   // ResourceDispatcherHost{Base} is-not-a URLRequest::Delegate, and
   // DownloadUrlParameters can-not include resource_dispatcher_host_impl.h, so
   // we must down cast. RDHI is the only subclass of RDH as of 2012 May 4.
   scoped_ptr<net::URLRequest> request(
       params->resource_context()->GetRequestContext()->CreateRequest(
           params->url(), net::DEFAULT_PRIORITY, NULL));
   request->set_method(params->method());
   if (!params->post_body().empty()) {
     const std::string& body = params->post_body();
@@ skipping 49 matching lines @@
   }
 
   scoped_ptr<DownloadSaveInfo> save_info(new DownloadSaveInfo());
   save_info->file_path = params->file_path();
   save_info->suggested_name = params->suggested_name();
   save_info->offset = params->offset();
   save_info->hash_state = params->hash_state();
   save_info->prompt_for_save_location = params->prompt();
   save_info->file = params->GetFile();
 
-  ResourceDispatcherHost::Get()->BeginDownload(
-      request.Pass(),
-      params->referrer(),
-      params->content_initiated(),
-      params->resource_context(),
-      params->render_process_host_id(),
-      params->render_view_host_routing_id(),
-      params->render_frame_host_routing_id(),
-      params->prefer_cache(),
-      params->do_not_prompt_for_login(),
-      save_info.Pass(),
-      download_id,
-      params->callback());
+  if (params->render_process_host_id() != -1) {
+    ResourceDispatcherHost::Get()->BeginDownload(
+        request.Pass(), params->referrer(), params->content_initiated(),
+        params->resource_context(), params->render_process_host_id(),
+        params->render_view_host_routing_id(),
+        params->render_frame_host_routing_id(), params->prefer_cache(),
+        params->do_not_prompt_for_login(), save_info.Pass(), download_id,
+        params->callback());
+  } else {
+    core->AddUrlDownloader(UrlDownloader::BeginDownload(
+        download_manager, request.Pass(), params->referrer(), false,
+        params->prefer_cache(), true, save_info.Pass(), download_id,
+        params->callback()));
+  }
 }
 
 class DownloadItemFactoryImpl : public DownloadItemFactory {
  public:
   DownloadItemFactoryImpl() {}
   ~DownloadItemFactoryImpl() override {}
 
   DownloadItemImpl* CreatePersistedItem(
       DownloadItemImplDelegate* delegate,
       uint32 download_id,
@@ skipping 53 matching lines @@
       scoped_ptr<DownloadRequestHandleInterface> request_handle,
       const net::BoundNetLog& bound_net_log) override {
     return new DownloadItemImpl(delegate, download_id, path, url,
                                 mime_type, request_handle.Pass(),
                                 bound_net_log);
   }
 };
 
 }  // namespace
 
+DownloadManagerImpl::Core::Core() {}
+
+DownloadManagerImpl::Core::~Core() {
+  DCHECK(url_downloaders_.size() == 0);
+}
+
+void DownloadManagerImpl::Core::AddUrlDownloader(
+    scoped_ptr<UrlDownloader> downloader) {
+  url_downloaders_.push_back(downloader.Pass());
+}
+
+void DownloadManagerImpl::Core::Shutdown() {
+  url_downloaders_.clear();
+}
+
 DownloadManagerImpl::DownloadManagerImpl(
     net::NetLog* net_log,
     BrowserContext* browser_context)
     : item_factory_(new DownloadItemFactoryImpl()),
       file_factory_(new DownloadFileFactory()),
       history_size_(0),
       shutdown_needed_(true),
       browser_context_(browser_context),
       delegate_(NULL),
       net_log_(net_log),
       weak_factory_(this) {
   DCHECK(browser_context);
+  core_ = new Core;

[asanka, 2015/12/08 16:58:32]

Move this to member initialization.

[svaldez, 2015/12/08 20:39:26]

Removed Core.

 }
 
 DownloadManagerImpl::~DownloadManagerImpl() {
   DCHECK(!shutdown_needed_);
 }
 
 DownloadItemImpl* DownloadManagerImpl::CreateActiveItem(
     uint32 id, const DownloadCreateInfo& info) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!ContainsKey(downloads_, id));
@@ skipping 91 matching lines @@
       download->Cancel(false);
   }
   STLDeleteValues(&downloads_);
 
   // We'll have nothing more to report to the observers after this point.
   observers_.Clear();
 
   if (delegate_)
     delegate_->Shutdown();
   delegate_ = NULL;
+
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(&Core::Shutdown,
+                                     base::Unretained(core_)));
 }
 
 void DownloadManagerImpl::StartDownload(
     scoped_ptr<DownloadCreateInfo> info,
     scoped_ptr<ByteStreamReader> stream,
     const DownloadUrlParameters::OnStartedCallback& on_started) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(info);
   uint32 download_id = info->download_id;
   const bool new_download = (download_id == content::DownloadItem::kInvalidId);
@@ skipping 163 matching lines @@
                     OnSavePackageSuccessfullyFinished(this, download_item));
 }
 
 // Resume a download of a specific URL. We send the request to the
 // ResourceDispatcherHost, and let it send us responses like a regular
 // download.
 void DownloadManagerImpl::ResumeInterruptedDownload(
     scoped_ptr<content::DownloadUrlParameters> params,
     uint32 id) {
   RecordDownloadSource(INITIATED_BY_RESUMPTION);
-  BrowserThread::PostTask(
-      BrowserThread::IO,
-      FROM_HERE,
-      base::Bind(&BeginDownload, base::Passed(&params), id));
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(&BeginDownload, base::Passed(&params), id,
+                                     weak_factory_.GetWeakPtr(),
+                                     core_));
 }
 
 void DownloadManagerImpl::SetDownloadItemFactoryForTesting(
     scoped_ptr<DownloadItemFactory> item_factory) {
   item_factory_ = item_factory.Pass();
 }
 
 void DownloadManagerImpl::SetDownloadFileFactoryForTesting(
     scoped_ptr<DownloadFileFactory> file_factory) {
   file_factory_ = file_factory.Pass();
@@ skipping 76 matching lines @@
   return num_deleted;
 }
 
 void DownloadManagerImpl::DownloadUrl(
     scoped_ptr<DownloadUrlParameters> params) {
   if (params->post_id() >= 0) {
     // Check this here so that the traceback is more useful.
     DCHECK(params->prefer_cache());
     DCHECK_EQ("POST", params->method());
   }
-  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
-      &BeginDownload, base::Passed(&params),
-      content::DownloadItem::kInvalidId));
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(&BeginDownload, base::Passed(&params),
+                                     content::DownloadItem::kInvalidId,
+                                     weak_factory_.GetWeakPtr(),
+                                     core_));
 }
 
 void DownloadManagerImpl::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void DownloadManagerImpl::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
@@ skipping 96 matching lines @@
   if (delegate_)
     delegate_->OpenDownload(download);
 }
 
 void DownloadManagerImpl::ShowDownloadInShell(DownloadItemImpl* download) {
   if (delegate_)
     delegate_->ShowDownloadInShell(download);
 }
 
 }  // namespace content