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
|
// Copyright (c) 2011 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 <cmath>
#include "content/browser/host_zoom_map.h"
#include "base/string_piece.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/common/page_zoom.h"
#include "googleurl/src/gurl.h"
#include "net/base/net_util.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
using content::BrowserThread;
using WebKit::WebView;
HostZoomMap::HostZoomMap()
: default_zoom_level_(0.0),
original_(this) {
Init();
}
HostZoomMap::HostZoomMap(HostZoomMap* original)
: default_zoom_level_(0.0),
original_(original) {
DCHECK(original);
Init();
base::AutoLock auto_lock(original->lock_);
for (HostZoomLevels::const_iterator i(original->host_zoom_levels_.begin());
i != original->host_zoom_levels_.end(); ++i) {
host_zoom_levels_[i->first] = i->second;
}
}
void HostZoomMap::Init() {
registrar_.Add(
this, content::NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW,
content::NotificationService::AllSources());
}
double HostZoomMap::GetZoomLevel(const std::string& host) const {
base::AutoLock auto_lock(lock_);
HostZoomLevels::const_iterator i(host_zoom_levels_.find(host));
return (i == host_zoom_levels_.end()) ? default_zoom_level_ : i->second;
}
void HostZoomMap::SetZoomLevel(std::string host, double level) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
{
base::AutoLock auto_lock(lock_);
if (content::ZoomValuesEqual(level, default_zoom_level_))
host_zoom_levels_.erase(host);
else
host_zoom_levels_[host] = level;
}
content::NotificationService::current()->Notify(
content::NOTIFICATION_ZOOM_LEVEL_CHANGED,
content::Source<HostZoomMap>(this),
content::Details<const std::string>(&host));
}
double HostZoomMap::GetTemporaryZoomLevel(int render_process_id,
int render_view_id) const {
base::AutoLock auto_lock(lock_);
for (size_t i = 0; i < temporary_zoom_levels_.size(); ++i) {
if (temporary_zoom_levels_[i].render_process_id == render_process_id &&
temporary_zoom_levels_[i].render_view_id == render_view_id) {
return temporary_zoom_levels_[i].zoom_level;
}
}
return 0;
}
void HostZoomMap::SetTemporaryZoomLevel(int render_process_id,
int render_view_id,
double level) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
{
base::AutoLock auto_lock(lock_);
size_t i;
for (i = 0; i < temporary_zoom_levels_.size(); ++i) {
if (temporary_zoom_levels_[i].render_process_id == render_process_id &&
temporary_zoom_levels_[i].render_view_id == render_view_id) {
if (level) {
temporary_zoom_levels_[i].zoom_level = level;
} else {
temporary_zoom_levels_.erase(temporary_zoom_levels_.begin() + i);
}
break;
}
}
if (level && i == temporary_zoom_levels_.size()) {
TemporaryZoomLevel temp;
temp.render_process_id = render_process_id;
temp.render_view_id = render_view_id;
temp.zoom_level = level;
temporary_zoom_levels_.push_back(temp);
}
}
std::string host;
content::NotificationService::current()->Notify(
content::NOTIFICATION_ZOOM_LEVEL_CHANGED,
content::Source<HostZoomMap>(this),
content::Details<const std::string>(&host));
}
void HostZoomMap::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
switch (type) {
case content::NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW: {
base::AutoLock auto_lock(lock_);
int render_view_id =
content::Source<RenderViewHost>(source)->routing_id();
int render_process_id =
content::Source<RenderViewHost>(source)->process()->GetID();
for (size_t i = 0; i < temporary_zoom_levels_.size(); ++i) {
if (temporary_zoom_levels_[i].render_process_id == render_process_id &&
temporary_zoom_levels_[i].render_view_id == render_view_id) {
temporary_zoom_levels_.erase(temporary_zoom_levels_.begin() + i);
break;
}
}
break;
}
default:
NOTREACHED() << "Unexpected preference observed.";
}
}
HostZoomMap::~HostZoomMap() {
}
|
