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Side by Side Diff: chrome/browser/download/download_service_impl.cc

Issue 2853363002: Rename the DownloadService to DownloadCoreService (Closed)
Patch Set: Created 3 years, 7 months ago
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1 // Copyright 2015 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 "chrome/browser/download/download_service_impl.h"
6
7 #include "base/callback.h"
8 #include "build/build_config.h"
9 #include "chrome/browser/browser_process.h"
10 #include "chrome/browser/download/chrome_download_manager_delegate.h"
11 #include "chrome/browser/download/download_history.h"
12 #include "chrome/browser/download/download_status_updater.h"
13 #include "chrome/browser/download/download_ui_controller.h"
14 #include "chrome/browser/history/history_service_factory.h"
15 #include "chrome/browser/profiles/profile.h"
16 #include "components/history/core/browser/history_service.h"
17 #include "content/public/browser/download_manager.h"
18 #include "extensions/features/features.h"
19
20 #if BUILDFLAG(ENABLE_EXTENSIONS)
21 #include "chrome/browser/extensions/api/downloads/downloads_api.h"
22 #endif
23
24 using content::BrowserContext;
25 using content::DownloadManager;
26 using content::DownloadManagerDelegate;
27
28 DownloadServiceImpl::DownloadServiceImpl(Profile* profile)
29 : download_manager_created_(false), profile_(profile) {
30 }
31
32 DownloadServiceImpl::~DownloadServiceImpl() {
33 }
34
35 ChromeDownloadManagerDelegate*
36 DownloadServiceImpl::GetDownloadManagerDelegate() {
37 DownloadManager* manager = BrowserContext::GetDownloadManager(profile_);
38 // If we've already created the delegate, just return it.
39 if (download_manager_created_) {
40 DCHECK(static_cast<DownloadManagerDelegate*>(manager_delegate_.get()) ==
41 manager->GetDelegate());
42 return manager_delegate_.get();
43 }
44 download_manager_created_ = true;
45
46 // In case the delegate has already been set by
47 // SetDownloadManagerDelegateForTesting.
48 if (!manager_delegate_.get())
49 manager_delegate_.reset(new ChromeDownloadManagerDelegate(profile_));
50
51 manager_delegate_->SetDownloadManager(manager);
52
53 #if BUILDFLAG(ENABLE_EXTENSIONS)
54 extension_event_router_.reset(
55 new extensions::ExtensionDownloadsEventRouter(profile_, manager));
56 #endif
57
58 if (!profile_->IsOffTheRecord()) {
59 history::HistoryService* history = HistoryServiceFactory::GetForProfile(
60 profile_, ServiceAccessType::EXPLICIT_ACCESS);
61 history->GetNextDownloadId(
62 manager_delegate_->GetDownloadIdReceiverCallback());
63 download_history_.reset(new DownloadHistory(
64 manager, std::unique_ptr<DownloadHistory::HistoryAdapter>(
65 new DownloadHistory::HistoryAdapter(history))));
66 }
67
68 // Pass an empty delegate when constructing the DownloadUIController. The
69 // default delegate does all the notifications we need.
70 download_ui_.reset(new DownloadUIController(
71 manager, std::unique_ptr<DownloadUIController::Delegate>()));
72
73 // Include this download manager in the set monitored by the
74 // global status updater.
75 g_browser_process->download_status_updater()->AddManager(manager);
76
77 return manager_delegate_.get();
78 }
79
80 DownloadHistory* DownloadServiceImpl::GetDownloadHistory() {
81 if (!download_manager_created_) {
82 GetDownloadManagerDelegate();
83 }
84 DCHECK(download_manager_created_);
85 return download_history_.get();
86 }
87
88 #if BUILDFLAG(ENABLE_EXTENSIONS)
89 extensions::ExtensionDownloadsEventRouter*
90 DownloadServiceImpl::GetExtensionEventRouter() {
91 return extension_event_router_.get();
92 }
93 #endif
94
95 bool DownloadServiceImpl::HasCreatedDownloadManager() {
96 return download_manager_created_;
97 }
98
99 int DownloadServiceImpl::NonMaliciousDownloadCount() const {
100 if (!download_manager_created_)
101 return 0;
102 return BrowserContext::GetDownloadManager(profile_)
103 ->NonMaliciousInProgressCount();
104 }
105
106 void DownloadServiceImpl::CancelDownloads() {
107 if (!download_manager_created_)
108 return;
109
110 DownloadManager* download_manager =
111 BrowserContext::GetDownloadManager(profile_);
112 DownloadManager::DownloadVector downloads;
113 download_manager->GetAllDownloads(&downloads);
114 for (DownloadManager::DownloadVector::iterator it = downloads.begin();
115 it != downloads.end(); ++it) {
116 if ((*it)->GetState() == content::DownloadItem::IN_PROGRESS)
117 (*it)->Cancel(false);
118 }
119 }
120
121 void DownloadServiceImpl::SetDownloadManagerDelegateForTesting(
122 std::unique_ptr<ChromeDownloadManagerDelegate> new_delegate) {
123 manager_delegate_.swap(new_delegate);
124 DownloadManager* dm = BrowserContext::GetDownloadManager(profile_);
125 dm->SetDelegate(manager_delegate_.get());
126 manager_delegate_->SetDownloadManager(dm);
127 if (new_delegate)
128 new_delegate->Shutdown();
129 }
130
131 bool DownloadServiceImpl::IsShelfEnabled() {
132 #if defined(OS_ANDROID)
133 return true;
134 #else
135 return !extension_event_router_ || extension_event_router_->IsShelfEnabled();
136 #endif
137 }
138
139 void DownloadServiceImpl::Shutdown() {
140 if (download_manager_created_) {
141 // Normally the DownloadManager would be shutdown later, after the Profile
142 // goes away and BrowserContext's destructor runs. But that would be too
143 // late for us since we need to use the profile (indirectly through history
144 // code) when the DownloadManager is shutting down. So we shut it down
145 // manually earlier. See http://crbug.com/131692
146 BrowserContext::GetDownloadManager(profile_)->Shutdown();
147 }
148 #if BUILDFLAG(ENABLE_EXTENSIONS)
149 extension_event_router_.reset();
150 #endif
151 manager_delegate_.reset();
152 download_history_.reset();
153 }
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