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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" |
| 11 #include "base/values.h" | 11 #include "base/values.h" |
| 12 #include "content/browser/renderer_host/render_process_host_impl.h" | 12 #include "content/browser/renderer_host/render_process_host_impl.h" |
| 13 #include "content/browser/renderer_host/render_view_host_impl.h" | 13 #include "content/browser/renderer_host/render_view_host_impl.h" |
| 14 #include "content/common/view_messages.h" | 14 #include "content/common/view_messages.h" |
| 15 #include "content/public/browser/browser_context.h" | 15 #include "content/public/browser/browser_context.h" |
| 16 #include "content/public/browser/browser_thread.h" | 16 #include "content/public/browser/browser_thread.h" |
| 17 #include "content/public/browser/notification_service.h" | 17 #include "content/public/browser/notification_service.h" |
| 18 #include "content/public/browser/notification_types.h" | 18 #include "content/public/browser/notification_types.h" |
| 19 #include "content/public/browser/resource_context.h" | 19 #include "content/public/browser/resource_context.h" |
| 20 #include "content/public/common/page_zoom.h" | 20 #include "content/public/common/page_zoom.h" |
| 21 #include "googleurl/src/gurl.h" | 21 #include "googleurl/src/gurl.h" |
| 22 #include "net/base/net_util.h" | 22 #include "net/base/net_util.h" |
| 23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" | 23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" |
| 24 | 24 |
| 25 using WebKit::WebView; | 25 using WebKit::WebView; |
| 26 using content::BrowserThread; | |
| 27 using content::RenderProcessHost; | |
| 28 using content::RenderViewHost; | |
| 29 | 26 |
| 30 static const char* kHostZoomMapKeyName = "content_host_zoom_map"; | 27 static const char* kHostZoomMapKeyName = "content_host_zoom_map"; |
| 31 | 28 |
| 32 namespace content { | 29 namespace content { |
| 33 | 30 |
| 34 HostZoomMap* HostZoomMap::GetForBrowserContext(BrowserContext* context) { | 31 HostZoomMap* HostZoomMap::GetForBrowserContext(BrowserContext* context) { |
| 35 HostZoomMapImpl* rv = static_cast<HostZoomMapImpl*>( | 32 HostZoomMapImpl* rv = static_cast<HostZoomMapImpl*>( |
| 36 context->GetUserData(kHostZoomMapKeyName)); | 33 context->GetUserData(kHostZoomMapKeyName)); |
| 37 if (!rv) { | 34 if (!rv) { |
| 38 rv = new HostZoomMapImpl(); | 35 rv = new HostZoomMapImpl(); |
| 39 context->SetUserData(kHostZoomMapKeyName, rv); | 36 context->SetUserData(kHostZoomMapKeyName, rv); |
| 40 } | 37 } |
| 41 return rv; | 38 return rv; |
| 42 } | 39 } |
| 43 | 40 |
| 44 } // namespace content | |
| 45 | |
| 46 HostZoomMapImpl::HostZoomMapImpl() | 41 HostZoomMapImpl::HostZoomMapImpl() |
| 47 : default_zoom_level_(0.0) { | 42 : default_zoom_level_(0.0) { |
| 48 registrar_.Add( | 43 registrar_.Add( |
| 49 this, content::NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW, | 44 this, NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW, |
|
tfarina
2012/10/30 22:19:06
this fits above now.
| |
| 50 content::NotificationService::AllSources()); | 45 NotificationService::AllSources()); |
| 51 } | 46 } |
| 52 | 47 |
| 53 void HostZoomMapImpl::CopyFrom(HostZoomMap* copy_interface) { | 48 void HostZoomMapImpl::CopyFrom(HostZoomMap* copy_interface) { |
| 54 // This can only be called on the UI thread to avoid deadlocks, otherwise | 49 // This can only be called on the UI thread to avoid deadlocks, otherwise |
| 55 // UI: a.CopyFrom(b); | 50 // UI: a.CopyFrom(b); |
| 56 // IO: b.CopyFrom(a); | 51 // IO: b.CopyFrom(a); |
| 57 // can deadlock. | 52 // can deadlock. |
| 58 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 53 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 59 HostZoomMapImpl* copy = static_cast<HostZoomMapImpl*>(copy_interface); | 54 HostZoomMapImpl* copy = static_cast<HostZoomMapImpl*>(copy_interface); |
| 60 base::AutoLock auto_lock(lock_); | 55 base::AutoLock auto_lock(lock_); |
| 61 base::AutoLock copy_auto_lock(copy->lock_); | 56 base::AutoLock copy_auto_lock(copy->lock_); |
| 62 for (HostZoomLevels::const_iterator i(copy->host_zoom_levels_.begin()); | 57 for (HostZoomLevels::const_iterator i(copy->host_zoom_levels_.begin()); |
| 63 i != copy->host_zoom_levels_.end(); ++i) { | 58 i != copy->host_zoom_levels_.end(); ++i) { |
| 64 host_zoom_levels_[i->first] = i->second; | 59 host_zoom_levels_[i->first] = i->second; |
| 65 } | 60 } |
| 66 } | 61 } |
| 67 | 62 |
| 68 double HostZoomMapImpl::GetZoomLevel(const std::string& host) const { | 63 double HostZoomMapImpl::GetZoomLevel(const std::string& host) const { |
| 69 base::AutoLock auto_lock(lock_); | 64 base::AutoLock auto_lock(lock_); |
| 70 HostZoomLevels::const_iterator i(host_zoom_levels_.find(host)); | 65 HostZoomLevels::const_iterator i(host_zoom_levels_.find(host)); |
| 71 return (i == host_zoom_levels_.end()) ? default_zoom_level_ : i->second; | 66 return (i == host_zoom_levels_.end()) ? default_zoom_level_ : i->second; |
| 72 } | 67 } |
| 73 | 68 |
| 74 void HostZoomMapImpl::SetZoomLevel(const std::string& host, double level) { | 69 void HostZoomMapImpl::SetZoomLevel(const std::string& host, double level) { |
| 75 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 70 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 76 | 71 |
| 77 { | 72 { |
| 78 base::AutoLock auto_lock(lock_); | 73 base::AutoLock auto_lock(lock_); |
| 79 | 74 |
| 80 if (content::ZoomValuesEqual(level, default_zoom_level_)) | 75 if (ZoomValuesEqual(level, default_zoom_level_)) |
| 81 host_zoom_levels_.erase(host); | 76 host_zoom_levels_.erase(host); |
| 82 else | 77 else |
| 83 host_zoom_levels_[host] = level; | 78 host_zoom_levels_[host] = level; |
| 84 } | 79 } |
| 85 | 80 |
| 86 // Notify renderers from this browser context. | 81 // Notify renderers from this browser context. |
| 87 for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator()); | 82 for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator()); |
| 88 !i.IsAtEnd(); i.Advance()) { | 83 !i.IsAtEnd(); i.Advance()) { |
| 89 RenderProcessHost* render_process_host = i.GetCurrentValue(); | 84 RenderProcessHost* render_process_host = i.GetCurrentValue(); |
| 90 if (HostZoomMap::GetForBrowserContext( | 85 if (HostZoomMap::GetForBrowserContext( |
| 91 render_process_host->GetBrowserContext()) == this) { | 86 render_process_host->GetBrowserContext()) == this) { |
| 92 render_process_host->Send( | 87 render_process_host->Send( |
| 93 new ViewMsg_SetZoomLevelForCurrentURL(host, level)); | 88 new ViewMsg_SetZoomLevelForCurrentURL(host, level)); |
| 94 } | 89 } |
| 95 } | 90 } |
| 96 | 91 |
| 97 content::NotificationService::current()->Notify( | 92 NotificationService::current()->Notify( |
| 98 content::NOTIFICATION_ZOOM_LEVEL_CHANGED, | 93 NOTIFICATION_ZOOM_LEVEL_CHANGED, |
|
tfarina
2012/10/30 22:19:06
fits above;
| |
| 99 content::Source<HostZoomMap>(this), | 94 Source<HostZoomMap>(this), |
| 100 content::Details<const std::string>(&host)); | 95 Details<const std::string>(&host)); |
| 101 } | 96 } |
| 102 | 97 |
| 103 double HostZoomMapImpl::GetDefaultZoomLevel() const { | 98 double HostZoomMapImpl::GetDefaultZoomLevel() const { |
| 104 return default_zoom_level_; | 99 return default_zoom_level_; |
| 105 } | 100 } |
| 106 | 101 |
| 107 void HostZoomMapImpl::SetDefaultZoomLevel(double level) { | 102 void HostZoomMapImpl::SetDefaultZoomLevel(double level) { |
| 108 default_zoom_level_ = level; | 103 default_zoom_level_ = level; |
| 109 } | 104 } |
| 110 | 105 |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 143 if (level && i == temporary_zoom_levels_.size()) { | 138 if (level && i == temporary_zoom_levels_.size()) { |
| 144 TemporaryZoomLevel temp; | 139 TemporaryZoomLevel temp; |
| 145 temp.render_process_id = render_process_id; | 140 temp.render_process_id = render_process_id; |
| 146 temp.render_view_id = render_view_id; | 141 temp.render_view_id = render_view_id; |
| 147 temp.zoom_level = level; | 142 temp.zoom_level = level; |
| 148 temporary_zoom_levels_.push_back(temp); | 143 temporary_zoom_levels_.push_back(temp); |
| 149 } | 144 } |
| 150 } | 145 } |
| 151 | 146 |
| 152 std::string host; | 147 std::string host; |
| 153 content::NotificationService::current()->Notify( | 148 NotificationService::current()->Notify( |
| 154 content::NOTIFICATION_ZOOM_LEVEL_CHANGED, | 149 NOTIFICATION_ZOOM_LEVEL_CHANGED, |
|
tfarina
2012/10/30 22:19:06
fits above.
| |
| 155 content::Source<HostZoomMap>(this), | 150 Source<HostZoomMap>(this), |
| 156 content::Details<const std::string>(&host)); | 151 Details<const std::string>(&host)); |
| 157 } | 152 } |
| 158 | 153 |
| 159 void HostZoomMapImpl::Observe( | 154 void HostZoomMapImpl::Observe(int type, |
| 160 int type, | 155 const NotificationSource& source, |
| 161 const content::NotificationSource& source, | 156 const NotificationDetails& details) { |
| 162 const content::NotificationDetails& details) { | |
| 163 switch (type) { | 157 switch (type) { |
| 164 case content::NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW: { | 158 case NOTIFICATION_RENDER_VIEW_HOST_WILL_CLOSE_RENDER_VIEW: { |
| 165 base::AutoLock auto_lock(lock_); | 159 base::AutoLock auto_lock(lock_); |
| 166 int render_view_id = | 160 int render_view_id = Source<RenderViewHost>(source)->GetRoutingID(); |
| 167 content::Source<RenderViewHost>(source)->GetRoutingID(); | |
| 168 int render_process_id = | 161 int render_process_id = |
| 169 content::Source<RenderViewHost>(source)->GetProcess()->GetID(); | 162 Source<RenderViewHost>(source)->GetProcess()->GetID(); |
| 170 | 163 |
| 171 for (size_t i = 0; i < temporary_zoom_levels_.size(); ++i) { | 164 for (size_t i = 0; i < temporary_zoom_levels_.size(); ++i) { |
| 172 if (temporary_zoom_levels_[i].render_process_id == render_process_id && | 165 if (temporary_zoom_levels_[i].render_process_id == render_process_id && |
| 173 temporary_zoom_levels_[i].render_view_id == render_view_id) { | 166 temporary_zoom_levels_[i].render_view_id == render_view_id) { |
| 174 temporary_zoom_levels_.erase(temporary_zoom_levels_.begin() + i); | 167 temporary_zoom_levels_.erase(temporary_zoom_levels_.begin() + i); |
| 175 break; | 168 break; |
| 176 } | 169 } |
| 177 } | 170 } |
| 178 break; | 171 break; |
| 179 } | 172 } |
| 180 default: | 173 default: |
| 181 NOTREACHED() << "Unexpected preference observed."; | 174 NOTREACHED() << "Unexpected preference observed."; |
| 182 } | 175 } |
| 183 } | 176 } |
| 184 | 177 |
| 185 HostZoomMapImpl::~HostZoomMapImpl() { | 178 HostZoomMapImpl::~HostZoomMapImpl() { |
| 186 } | 179 } |
| 180 | |
| 181 } // namespace content | |
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