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
|
// 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_CHROMEOS_EXTENSIONS_FILE_HANDLER_UTIL_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_HANDLER_UTIL_H_
#pragma once
#include "base/platform_file.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/url_pattern_set.h"
class Browser;
class FileBrowserHandler;
class GURL;
class Profile;
namespace file_handler_util {
int GetReadWritePermissions();
std::string MakeTaskID(const std::string& extension_id,
const std::string& action_id);
bool CrackTaskID(const std::string& task_id,
std::string* target_extension_id,
std::string* action_id);
struct LastUsedHandler {
LastUsedHandler(int t, const FileBrowserHandler* h, URLPatternSet p)
: timestamp(t),
handler(h),
patterns(p) {
}
int timestamp;
const FileBrowserHandler* handler;
URLPatternSet patterns;
};
typedef std::vector<LastUsedHandler> LastUsedHandlerList;
bool FindCommonTasks(Profile* profile,
const std::vector<GURL>& files_list,
LastUsedHandlerList* named_action_list);
bool GetDefaultTask(Profile* profile,
const GURL& url,
const FileBrowserHandler** handler);
class FileTaskExecutor : public base::RefCountedThreadSafe<FileTaskExecutor> {
public:
FileTaskExecutor(Profile* profile,
const GURL source_url,
const std::string& extension_id,
const std::string& action_id);
virtual ~FileTaskExecutor();
// Initiates execution of file handler task for each element of |file_urls|.
// Return |false| if the execution cannot be initiated.
// Otherwise returns |true| and then eventually calls |Done|.
bool Execute(const std::vector<GURL>& file_urls);
protected:
virtual Browser* browser() = 0;
virtual void Done(bool success) = 0;
private:
struct FileDefinition {
GURL target_file_url;
FilePath virtual_path;
bool is_directory;
};
typedef std::vector<FileDefinition> FileDefinitionList;
class ExecuteTasksFileSystemCallbackDispatcher;
void RequestFileEntryOnFileThread(
const GURL& handler_base_url,
const scoped_refptr<const Extension>& handler,
int handler_pid,
const std::vector<GURL>& file_urls);
void RespondFailedOnUIThread(base::PlatformFileError error_code);
void ExecuteFileActionsOnUIThread(const std::string& file_system_name,
const GURL& file_system_root,
const FileDefinitionList& file_list);
void ExecuteFailedOnUIThread();
Profile* profile_;
const GURL source_url_;
const std::string extension_id_;
const std::string action_id_;
};
} // namespace file_handler_util
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_HANDLER_UTIL_H_
|