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
|
// Copyright (c) 2010 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_COMMON_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
#define CHROME_COMMON_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
#pragma once
#include <string>
#include "ipc/ipc_message.h"
#include "webkit/glue/resource_loader_bridge.h"
// The ExtensionLocalizationPeer is a proxy to a
// webkit_glue::ResourceLoaderBridge::Peer instance. It is used to pre-process
// CSS files requested by extensions to replace localization templates with the
// appropriate localized strings.
//
// Call the factory method CreateExtensionLocalizationPeer() to obtain an
// instance of ExtensionLocalizationPeer based on the original Peer.
class ExtensionLocalizationPeer
: public webkit_glue::ResourceLoaderBridge::Peer {
public:
virtual ~ExtensionLocalizationPeer();
static ExtensionLocalizationPeer* CreateExtensionLocalizationPeer(
webkit_glue::ResourceLoaderBridge::Peer* peer,
IPC::Message::Sender* message_sender,
const std::string& mime_type,
const GURL& request_url);
// ResourceLoaderBridge::Peer methods.
virtual void OnUploadProgress(uint64 position, uint64 size);
virtual bool OnReceivedRedirect(
const GURL& new_url,
const webkit_glue::ResourceLoaderBridge::ResponseInfo& info,
bool* has_new_first_party_for_cookies,
GURL* new_first_party_for_cookies);
virtual void OnReceivedResponse(
const webkit_glue::ResourceLoaderBridge::ResponseInfo& info,
bool content_filtered);
virtual void OnDownloadedData(int len) {}
virtual void OnReceivedData(const char* data, int len);
virtual void OnCompletedRequest(const URLRequestStatus& status,
const std::string& security_info,
const base::Time& completion_time);
virtual GURL GetURLForDebugging() const;
private:
friend class ExtensionLocalizationPeerTest;
// Use CreateExtensionLocalizationPeer to create an instance.
ExtensionLocalizationPeer(
webkit_glue::ResourceLoaderBridge::Peer* peer,
IPC::Message::Sender* message_sender,
const GURL& request_url);
// Loads message catalogs, and replaces all __MSG_some_name__ templates within
// loaded file.
void ReplaceMessages();
// Original peer that handles the request once we are done processing data_.
webkit_glue::ResourceLoaderBridge::Peer* original_peer_;
// We just pass though the response info. This holds the copy of the original.
webkit_glue::ResourceLoaderBridge::ResponseInfo response_info_;
// Sends ViewHostMsg_GetExtensionMessageBundle message to the browser to fetch
// message catalog.
IPC::Message::Sender* message_sender_;
// Buffer for incoming data. We wait until OnCompletedRequest before using it.
std::string data_;
// Original request URL.
GURL request_url_;
private:
DISALLOW_COPY_AND_ASSIGN(ExtensionLocalizationPeer);
};
#endif // CHROME_COMMON_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
|
