1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// 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.
#ifndef CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
#define CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/containers/hash_tables.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/download/download_path_reservation_tracker.h"
#include "chrome/browser/download/download_target_determiner_delegate.h"
#include "chrome/browser/download/download_target_info.h"
#include "chrome/browser/safe_browsing/download_protection_service.h"
#include "content/public/browser/download_danger_type.h"
#include "content/public/browser/download_item.h"
#include "content/public/browser/download_manager_delegate.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class DownloadPrefs;
class Profile;
namespace content {
class DownloadManager;
}
namespace extensions {
class CrxInstaller;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
// This is the Chrome side helper for the download system.
class ChromeDownloadManagerDelegate
: public content::DownloadManagerDelegate,
public content::NotificationObserver,
public DownloadTargetDeterminerDelegate {
public:
explicit ChromeDownloadManagerDelegate(Profile* profile);
~ChromeDownloadManagerDelegate() override;
// Should be called before the first call to ShouldCompleteDownload() to
// disable SafeBrowsing checks for |item|.
static void DisableSafeBrowsing(content::DownloadItem* item);
void SetDownloadManager(content::DownloadManager* dm);
// Callbacks passed to GetNextId() will not be called until the returned
// callback is called.
content::DownloadIdCallback GetDownloadIdReceiverCallback();
// content::DownloadManagerDelegate
void Shutdown() override;
void GetNextId(const content::DownloadIdCallback& callback) override;
bool DetermineDownloadTarget(
content::DownloadItem* item,
const content::DownloadTargetCallback& callback) override;
bool ShouldOpenFileBasedOnExtension(const base::FilePath& path) override;
bool ShouldCompleteDownload(content::DownloadItem* item,
const base::Closure& complete_callback) override;
bool ShouldOpenDownload(
content::DownloadItem* item,
const content::DownloadOpenDelayedCallback& callback) override;
bool GenerateFileHash() override;
void GetSaveDir(content::BrowserContext* browser_context,
base::FilePath* website_save_dir,
base::FilePath* download_save_dir,
bool* skip_dir_check) override;
void ChooseSavePath(
content::WebContents* web_contents,
const base::FilePath& suggested_path,
const base::FilePath::StringType& default_extension,
bool can_save_as_complete,
const content::SavePackagePathPickedCallback& callback) override;
void OpenDownload(content::DownloadItem* download) override;
void ShowDownloadInShell(content::DownloadItem* download) override;
void CheckForFileExistence(
content::DownloadItem* download,
const content::CheckForFileExistenceCallback& callback) override;
std::string ApplicationClientIdForFileScanning() const override;
// Opens a download using the platform handler. DownloadItem::OpenDownload,
// which ends up being handled by OpenDownload(), will open a download in the
// browser if doing so is preferred.
void OpenDownloadUsingPlatformHandler(content::DownloadItem* download);
DownloadPrefs* download_prefs() { return download_prefs_.get(); }
protected:
// So that test classes that inherit from this for override purposes
// can call back into the DownloadManager.
content::DownloadManager* download_manager_;
virtual safe_browsing::DownloadProtectionService*
GetDownloadProtectionService();
// DownloadTargetDeterminerDelegate. Protected for testing.
void NotifyExtensions(content::DownloadItem* download,
const base::FilePath& suggested_virtual_path,
const NotifyExtensionsCallback& callback) override;
void ReserveVirtualPath(
content::DownloadItem* download,
const base::FilePath& virtual_path,
bool create_directory,
DownloadPathReservationTracker::FilenameConflictAction conflict_action,
const ReservedPathCallback& callback) override;
void PromptUserForDownloadPath(content::DownloadItem* download,
const base::FilePath& suggested_virtual_path,
const FileSelectedCallback& callback) override;
void DetermineLocalPath(content::DownloadItem* download,
const base::FilePath& virtual_path,
const LocalPathCallback& callback) override;
void CheckDownloadUrl(content::DownloadItem* download,
const base::FilePath& suggested_virtual_path,
const CheckDownloadUrlCallback& callback) override;
void GetFileMimeType(const base::FilePath& path,
const GetFileMimeTypeCallback& callback) override;
private:
friend class base::RefCountedThreadSafe<ChromeDownloadManagerDelegate>;
typedef std::vector<content::DownloadIdCallback> IdCallbackVector;
// content::NotificationObserver implementation.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// Callback function after the DownloadProtectionService completes.
void CheckClientDownloadDone(
uint32_t download_id,
safe_browsing::DownloadProtectionService::DownloadCheckResult result);
// Internal gateways for ShouldCompleteDownload().
bool IsDownloadReadyForCompletion(
content::DownloadItem* item,
const base::Closure& internal_complete_callback);
void ShouldCompleteDownloadInternal(
uint32_t download_id,
const base::Closure& user_complete_callback);
void SetNextId(uint32_t id);
void ReturnNextId(const content::DownloadIdCallback& callback);
void OnDownloadTargetDetermined(
int32_t download_id,
const content::DownloadTargetCallback& callback,
scoped_ptr<DownloadTargetInfo> target_info);
// Returns true if |path| should open in the browser.
bool IsOpenInBrowserPreferreredForFile(const base::FilePath& path);
Profile* profile_;
uint32_t next_download_id_;
IdCallbackVector id_callbacks_;
scoped_ptr<DownloadPrefs> download_prefs_;
#if defined(ENABLE_EXTENSIONS)
// Maps from pending extension installations to DownloadItem IDs.
typedef base::hash_map<extensions::CrxInstaller*,
content::DownloadOpenDelayedCallback> CrxInstallerMap;
CrxInstallerMap crx_installers_;
#endif
content::NotificationRegistrar registrar_;
base::WeakPtrFactory<ChromeDownloadManagerDelegate> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ChromeDownloadManagerDelegate);
};
#endif // CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
|
