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// 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 "chrome/browser/download/download_service.h"
#include "base/callback.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/download/chrome_download_manager_delegate.h"
#include "chrome/browser/download/download_history.h"
#include "chrome/browser/download/download_service_factory.h"
#include "chrome/browser/download/download_status_updater.h"
#include "chrome/browser/download/download_ui_controller.h"
#include "chrome/browser/history/history_service.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/net/chrome_net_log.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "content/public/browser/download_manager.h"
#if defined(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/api/downloads/downloads_api.h"
#endif
using content::BrowserContext;
using content::DownloadManager;
using content::DownloadManagerDelegate;
DownloadService::DownloadService(Profile* profile)
: download_manager_created_(false),
profile_(profile) {
}
DownloadService::~DownloadService() {}
ChromeDownloadManagerDelegate* DownloadService::GetDownloadManagerDelegate() {
DownloadManager* manager = BrowserContext::GetDownloadManager(profile_);
// If we've already created the delegate, just return it.
if (download_manager_created_) {
DCHECK(static_cast<DownloadManagerDelegate*>(manager_delegate_.get()) ==
manager->GetDelegate());
return manager_delegate_.get();
}
download_manager_created_ = true;
// In case the delegate has already been set by
// SetDownloadManagerDelegateForTesting.
if (!manager_delegate_.get())
manager_delegate_.reset(new ChromeDownloadManagerDelegate(profile_));
manager_delegate_->SetDownloadManager(manager);
#if defined(ENABLE_EXTENSIONS)
extension_event_router_.reset(
new extensions::ExtensionDownloadsEventRouter(profile_, manager));
#endif
if (!profile_->IsOffTheRecord()) {
HistoryService* history = HistoryServiceFactory::GetForProfile(
profile_, Profile::EXPLICIT_ACCESS);
history->GetNextDownloadId(
manager_delegate_->GetDownloadIdReceiverCallback());
download_history_.reset(new DownloadHistory(
manager,
scoped_ptr<DownloadHistory::HistoryAdapter>(
new DownloadHistory::HistoryAdapter(history))));
}
// Pass an empty delegate when constructing the DownloadUIController. The
// default delegate does all the notifications we need.
download_ui_.reset(new DownloadUIController(
manager, scoped_ptr<DownloadUIController::Delegate>()));
// Include this download manager in the set monitored by the
// global status updater.
g_browser_process->download_status_updater()->AddManager(manager);
return manager_delegate_.get();
}
DownloadHistory* DownloadService::GetDownloadHistory() {
if (!download_manager_created_) {
GetDownloadManagerDelegate();
}
DCHECK(download_manager_created_);
return download_history_.get();
}
bool DownloadService::HasCreatedDownloadManager() {
return download_manager_created_;
}
int DownloadService::NonMaliciousDownloadCount() const {
if (!download_manager_created_)
return 0;
return BrowserContext::GetDownloadManager(profile_)->
NonMaliciousInProgressCount();
}
void DownloadService::CancelDownloads() {
if (!download_manager_created_)
return;
DownloadManager* download_manager =
BrowserContext::GetDownloadManager(profile_);
DownloadManager::DownloadVector downloads;
download_manager->GetAllDownloads(&downloads);
for (DownloadManager::DownloadVector::iterator it = downloads.begin();
it != downloads.end();
++it) {
if ((*it)->GetState() == content::DownloadItem::IN_PROGRESS)
(*it)->Cancel(false);
}
}
// static
int DownloadService::NonMaliciousDownloadCountAllProfiles() {
std::vector<Profile*> profiles(
g_browser_process->profile_manager()->GetLoadedProfiles());
int count = 0;
for (std::vector<Profile*>::iterator it = profiles.begin();
it < profiles.end(); ++it) {
count += DownloadServiceFactory::GetForBrowserContext(*it)->
NonMaliciousDownloadCount();
if ((*it)->HasOffTheRecordProfile())
count += DownloadServiceFactory::GetForBrowserContext(
(*it)->GetOffTheRecordProfile())->NonMaliciousDownloadCount();
}
return count;
}
// static
void DownloadService::CancelAllDownloads() {
std::vector<Profile*> profiles(
g_browser_process->profile_manager()->GetLoadedProfiles());
for (std::vector<Profile*>::iterator it = profiles.begin();
it < profiles.end();
++it) {
DownloadService* service =
DownloadServiceFactory::GetForBrowserContext(*it);
service->CancelDownloads();
}
}
void DownloadService::SetDownloadManagerDelegateForTesting(
scoped_ptr<ChromeDownloadManagerDelegate> new_delegate) {
manager_delegate_.swap(new_delegate);
DownloadManager* dm = BrowserContext::GetDownloadManager(profile_);
dm->SetDelegate(manager_delegate_.get());
manager_delegate_->SetDownloadManager(dm);
if (new_delegate)
new_delegate->Shutdown();
}
bool DownloadService::IsShelfEnabled() {
#if defined(OS_ANDROID)
return true;
#else
return !extension_event_router_ ||
extension_event_router_->IsShelfEnabled();
#endif
}
void DownloadService::Shutdown() {
if (download_manager_created_) {
// Normally the DownloadManager would be shutdown later, after the Profile
// goes away and BrowserContext's destructor runs. But that would be too
// late for us since we need to use the profile (indirectly through history
// code) when the DownloadManager is shutting down. So we shut it down
// manually earlier. See http://crbug.com/131692
BrowserContext::GetDownloadManager(profile_)->Shutdown();
}
#if defined(ENABLE_EXTENSIONS)
extension_event_router_.reset();
#endif
manager_delegate_.reset();
download_history_.reset();
}
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