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
|
// Copyright (c) 008 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/history/history_publisher.h"
#if defined(OS_WIN)
#include <atlsafe.h>
#include <objbase.h>
#include <oleauto.h>
#include <wtypes.h>
#endif
#include "base/registry.h"
namespace history {
const wchar_t* HistoryPublisher::kRegKeyRegisteredIndexersInfo =
L"Software\\Google\\Google Chrome\\IndexerPlugins";
const char* HistoryPublisher::kThumbnailImageFormat = "image/jpeg";
// static
double HistoryPublisher::TimeToUTCVariantTime(const base::Time& time) {
double var_time = 0;
#if defined(OS_WIN)
if (!time.is_null()) {
base::Time::Exploded exploded;
time.UTCExplode(&exploded);
// Create the system time struct representing our exploded time.
SYSTEMTIME system_time;
system_time.wYear = exploded.year;
system_time.wMonth = exploded.month;
system_time.wDayOfWeek = exploded.day_of_week;
system_time.wDay = exploded.day_of_month;
system_time.wHour = exploded.hour;
system_time.wMinute = exploded.minute;
system_time.wSecond = exploded.second;
system_time.wMilliseconds = exploded.millisecond;
SystemTimeToVariantTime(&system_time, &var_time);
}
#endif
return var_time;
}
HistoryPublisher::HistoryPublisher() {
#if defined(OS_WIN)
CoInitialize(NULL);
#endif
}
HistoryPublisher::~HistoryPublisher() {
#if defined(OS_WIN)
CoUninitialize();
#endif
}
bool HistoryPublisher::Init() {
return ReadRegisteredIndexersFromRegistry();
}
bool HistoryPublisher::ReadRegisteredIndexersFromRegistry() {
#if defined(OS_WIN)
RegistryKeyIterator iter(HKEY_CURRENT_USER, kRegKeyRegisteredIndexersInfo);
while (iter.Valid()) {
// The subkey name is the GUID of the Indexer COM object which implements
// the IChromeHistoryIndexer interface. We shall store that and use it to
// send historical data to the indexer.
CLSID clsid;
CLSIDFromString(static_cast<LPOLESTR>(
const_cast<TCHAR*>(iter.Name())), &clsid);
CComPtr<IChromeHistoryIndexer> indexer;
HRESULT hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC,
__uuidof(IChromeHistoryIndexer),
reinterpret_cast<void**>(&indexer));
if (SUCCEEDED(hr) && indexer != NULL)
indexers_.push_back(indexer);
++iter;
}
return indexers_.size() > 0;
#else
// The indexing plublisher is implemented only for Windows platform as of
// now. Hence returning false for other platforms.
return false;
#endif
}
void HistoryPublisher::PublishPageThumbnail(
const std::vector<unsigned char>& thumbnail, const GURL& url,
const base::Time& time) const {
PageData page_data = {
time,
url,
NULL,
NULL,
kThumbnailImageFormat,
&thumbnail,
};
PublishDataToIndexers(page_data);
}
void HistoryPublisher::PublishPageContent(const base::Time& time,
const GURL& url,
const std::wstring& title,
const std::wstring& contents) const {
PageData page_data = {
time,
url,
contents.c_str(),
title.c_str(),
NULL,
NULL,
};
PublishDataToIndexers(page_data);
}
void HistoryPublisher::PublishDataToIndexers(const PageData& page_data)
const {
#if defined(OS_WIN)
double var_time = TimeToUTCVariantTime(page_data.time);
CComSafeArray<unsigned char> thumbnail_arr;
if (page_data.thumbnail) {
for(size_t i = 0; i < page_data.thumbnail->size(); ++i)
thumbnail_arr.Add((*page_data.thumbnail)[i]);
}
// Send data to registered indexers.
for(size_t i = 0; i < indexers_.size(); ++i) {
indexers_[i]->SendPageData(
CComVariant(var_time, VT_DATE),
CComBSTR(page_data.url.spec().c_str()),
CComBSTR(page_data.html),
CComBSTR(page_data.title),
CComBSTR(page_data.thumbnail_format),
CComVariant(thumbnail_arr.m_psa));
}
#endif
}
void HistoryPublisher::DeleteUserHistoryBetween(const base::Time& begin_time,
const base::Time& end_time) const {
#if defined(OS_WIN)
double var_begin_time = TimeToUTCVariantTime(begin_time);
double var_end_time = TimeToUTCVariantTime(end_time);
for(size_t i = 0; i < indexers_.size(); ++i) {
indexers_[i]->DeleteUserHistoryBetween(CComVariant(var_begin_time, VT_DATE),
CComVariant(var_end_time, VT_DATE));
}
#endif
}
} // namespace history
|