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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <cmath> | 5 #include <cmath> |
6 | 6 |
7 #include "content/browser/host_zoom_map_impl.h" | 7 #include "content/browser/host_zoom_map_impl.h" |
8 | 8 |
9 #include "base/string_piece.h" | 9 #include "base/string_piece.h" |
10 #include "base/utf_string_conversions.h" | 10 #include "base/utf_string_conversions.h" |
(...skipping 27 matching lines...) Expand all Loading... | |
38 return rv; | 38 return rv; |
39 } | 39 } |
40 | 40 |
41 HostZoomMapImpl::HostZoomMapImpl() | 41 HostZoomMapImpl::HostZoomMapImpl() |
42 : default_zoom_level_(0.0) { | 42 : default_zoom_level_(0.0) { |
43 registrar_.Add( | 43 registrar_.Add( |
44 this, NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW, | 44 this, NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW, |
45 NotificationService::AllSources()); | 45 NotificationService::AllSources()); |
46 } | 46 } |
47 | 47 |
48 void HostZoomMapImpl::CopyHostZoomLevels(const HostZoomLevels &source, | |
49 HostZoomLevels &dest) { | |
50 for (HostZoomLevels::const_iterator i(source.begin()); | |
sky
2013/01/11 20:33:32
dest->insert(source.begin(), source.end()) , at wh
Denis Kuznetsov (DE-MUC)
2013/01/17 13:23:47
Done.
| |
51 i != source.end(); ++i) { | |
52 dest[i->first] = i->second; | |
53 } | |
54 } | |
55 | |
48 void HostZoomMapImpl::CopyFrom(HostZoomMap* copy_interface) { | 56 void HostZoomMapImpl::CopyFrom(HostZoomMap* copy_interface) { |
49 // This can only be called on the UI thread to avoid deadlocks, otherwise | 57 // This can only be called on the UI thread to avoid deadlocks, otherwise |
50 // UI: a.CopyFrom(b); | 58 // UI: a.CopyFrom(b); |
51 // IO: b.CopyFrom(a); | 59 // IO: b.CopyFrom(a); |
52 // can deadlock. | 60 // can deadlock. |
53 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 61 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
54 HostZoomMapImpl* copy = static_cast<HostZoomMapImpl*>(copy_interface); | 62 HostZoomMapImpl* copy = static_cast<HostZoomMapImpl*>(copy_interface); |
55 base::AutoLock auto_lock(lock_); | 63 base::AutoLock auto_lock(lock_); |
56 base::AutoLock copy_auto_lock(copy->lock_); | 64 base::AutoLock copy_auto_lock(copy->lock_); |
57 for (HostZoomLevels::const_iterator i(copy->host_zoom_levels_.begin()); | 65 CopyHostZoomLevels(copy->host_zoom_levels_, host_zoom_levels_); |
58 i != copy->host_zoom_levels_.end(); ++i) { | 66 for (SchemeHostZoomLevels::const_iterator i(copy-> |
59 host_zoom_levels_[i->first] = i->second; | 67 scheme_host_zoom_levels_.begin()); |
68 i != copy->scheme_host_zoom_levels_.end(); ++i) { | |
69 scheme_host_zoom_levels_[i->first] = HostZoomLevels(); | |
70 CopyHostZoomLevels(i->second, scheme_host_zoom_levels_[i->first]); | |
60 } | 71 } |
61 } | 72 } |
62 | 73 |
63 double HostZoomMapImpl::GetZoomLevel(const std::string& host) const { | 74 double HostZoomMapImpl::GetZoomLevel(const std::string& host) const { |
64 base::AutoLock auto_lock(lock_); | 75 base::AutoLock auto_lock(lock_); |
65 HostZoomLevels::const_iterator i(host_zoom_levels_.find(host)); | 76 HostZoomLevels::const_iterator i(host_zoom_levels_.find(host)); |
66 return (i == host_zoom_levels_.end()) ? default_zoom_level_ : i->second; | 77 return (i == host_zoom_levels_.end()) ? default_zoom_level_ : i->second; |
67 } | 78 } |
68 | 79 |
80 double HostZoomMapImpl::GetZoomLevel(const std::string& scheme, | |
81 const std::string& host) const { | |
82 { | |
83 base::AutoLock auto_lock(lock_); | |
84 SchemeHostZoomLevels::const_iterator scheme_iterator( | |
85 scheme_host_zoom_levels_.find(scheme)); | |
86 if (scheme_iterator != scheme_host_zoom_levels_.end()) { | |
87 HostZoomLevels::const_iterator i(scheme_iterator->second.find(host)); | |
88 if (i != scheme_iterator->second.end()) | |
89 return i->second; | |
90 } | |
91 } | |
92 return GetZoomLevel(host); | |
93 } | |
94 | |
69 void HostZoomMapImpl::SetZoomLevel(const std::string& host, double level) { | 95 void HostZoomMapImpl::SetZoomLevel(const std::string& host, double level) { |
70 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 96 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
71 | 97 |
72 { | 98 { |
73 base::AutoLock auto_lock(lock_); | 99 base::AutoLock auto_lock(lock_); |
74 | 100 |
75 if (ZoomValuesEqual(level, default_zoom_level_)) | 101 if (ZoomValuesEqual(level, default_zoom_level_)) |
76 host_zoom_levels_.erase(host); | 102 host_zoom_levels_.erase(host); |
77 else | 103 else |
78 host_zoom_levels_[host] = level; | 104 host_zoom_levels_[host] = level; |
79 } | 105 } |
80 | 106 |
81 // Notify renderers from this browser context. | 107 // Notify renderers from this browser context. |
82 for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator()); | 108 for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator()); |
83 !i.IsAtEnd(); i.Advance()) { | 109 !i.IsAtEnd(); i.Advance()) { |
84 RenderProcessHost* render_process_host = i.GetCurrentValue(); | 110 RenderProcessHost* render_process_host = i.GetCurrentValue(); |
85 if (HostZoomMap::GetForBrowserContext( | 111 if (HostZoomMap::GetForBrowserContext( |
86 render_process_host->GetBrowserContext()) == this) { | 112 render_process_host->GetBrowserContext()) == this) { |
87 render_process_host->Send( | 113 render_process_host->Send( |
88 new ViewMsg_SetZoomLevelForCurrentURL(host, level)); | 114 new ViewMsg_SetZoomLevelForCurrentURL(std::string(), host, level)); |
89 } | 115 } |
90 } | 116 } |
91 | 117 |
92 NotificationService::current()->Notify( | 118 NotificationService::current()->Notify( |
93 NOTIFICATION_ZOOM_LEVEL_CHANGED, | 119 NOTIFICATION_ZOOM_LEVEL_CHANGED, |
94 Source<HostZoomMap>(this), | 120 Source<HostZoomMap>(this), |
95 Details<const std::string>(&host)); | 121 Details<const std::string>(&host)); |
96 } | 122 } |
97 | 123 |
124 void HostZoomMapImpl::SetZoomLevel(const std::string& scheme, | |
125 const std::string& host, | |
126 double level) { | |
127 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
128 { | |
129 base::AutoLock auto_lock(lock_); | |
130 scheme_host_zoom_levels_[scheme][host] = level; | |
131 } | |
132 | |
133 // Notify renderers from this browser context. | |
134 for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator()); | |
135 !i.IsAtEnd(); i.Advance()) { | |
136 RenderProcessHost* render_process_host = i.GetCurrentValue(); | |
137 if (HostZoomMap::GetForBrowserContext( | |
138 render_process_host->GetBrowserContext()) == this) { | |
139 render_process_host->Send( | |
140 new ViewMsg_SetZoomLevelForCurrentURL(scheme, host, level)); | |
141 } | |
142 } | |
143 | |
144 NotificationService::current()->Notify( | |
145 NOTIFICATION_ZOOM_LEVEL_CHANGED, | |
146 Source<HostZoomMap>(this), | |
147 Details<const std::string>(&host)); | |
148 } | |
149 | |
150 | |
sky
2013/01/11 20:33:32
remove one newline.
Denis Kuznetsov (DE-MUC)
2013/01/17 13:23:47
Done.
Denis Kuznetsov (DE-MUC)
2013/01/17 13:23:47
Done.
| |
98 double HostZoomMapImpl::GetDefaultZoomLevel() const { | 151 double HostZoomMapImpl::GetDefaultZoomLevel() const { |
99 return default_zoom_level_; | 152 return default_zoom_level_; |
100 } | 153 } |
101 | 154 |
102 void HostZoomMapImpl::SetDefaultZoomLevel(double level) { | 155 void HostZoomMapImpl::SetDefaultZoomLevel(double level) { |
103 default_zoom_level_ = level; | 156 default_zoom_level_ = level; |
104 } | 157 } |
105 | 158 |
106 double HostZoomMapImpl::GetTemporaryZoomLevel(int render_process_id, | 159 double HostZoomMapImpl::GetTemporaryZoomLevel(int render_process_id, |
107 int render_view_id) const { | 160 int render_view_id) const { |
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172 } | 225 } |
173 default: | 226 default: |
174 NOTREACHED() << "Unexpected preference observed."; | 227 NOTREACHED() << "Unexpected preference observed."; |
175 } | 228 } |
176 } | 229 } |
177 | 230 |
178 HostZoomMapImpl::~HostZoomMapImpl() { | 231 HostZoomMapImpl::~HostZoomMapImpl() { |
179 } | 232 } |
180 | 233 |
181 } // namespace content | 234 } // namespace content |
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