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 3 // found in the LICENSE file. 4 5 #include "chrome/browser/task_manager/notification_resource_provider.h" 6 7 #include "base/strings/string16.h" 8 #include "chrome/browser/browser_process.h" 9 #include "chrome/browser/chrome_notification_types.h" 10 #include "chrome/browser/devtools/devtools_window.h" 11 #include "chrome/browser/notifications/balloon_host.h" 12 #include "chrome/browser/notifications/balloon_notification_ui_manager.h" 13 #include "chrome/browser/task_manager/task_manager.h" 14 #include "content/public/browser/notification_service.h" 15 #include "content/public/browser/render_process_host.h" 16 #include "content/public/browser/web_contents.h" 17 #include "grit/generated_resources.h" 18 #include "grit/theme_resources.h" 19 #include "ui/base/l10n/l10n_util.h" 20 #include "ui/base/resource/resource_bundle.h" 21 #include "ui/gfx/image/image_skia.h" 22 23 namespace task_manager { 24 25 class NotificationResource : public Resource { 26 public: 27 explicit NotificationResource(BalloonHost* balloon_host); 28 virtual ~NotificationResource(); 29 30 // Resource interface 31 virtual base::string16 GetTitle() const OVERRIDE; 32 virtual base::string16 GetProfileName() const OVERRIDE; 33 virtual gfx::ImageSkia GetIcon() const OVERRIDE; 34 virtual base::ProcessHandle GetProcess() const OVERRIDE; 35 virtual int GetUniqueChildProcessId() const OVERRIDE; 36 virtual Type GetType() const OVERRIDE; 37 virtual bool CanInspect() const OVERRIDE; 38 virtual void Inspect() const OVERRIDE; 39 virtual bool SupportNetworkUsage() const OVERRIDE; 40 virtual void SetSupportNetworkUsage() OVERRIDE { } 41 42 private: 43 // The icon painted for notifications. . 44 static gfx::ImageSkia* default_icon_; 45 46 // Non-owned pointer to the balloon host. 47 BalloonHost* balloon_host_; 48 49 // Cached data about the balloon host. 50 base::ProcessHandle process_handle_; 51 int pid_; 52 int unique_process_id_; 53 base::string16 title_; 54 55 DISALLOW_COPY_AND_ASSIGN(NotificationResource); 56 }; 57 58 gfx::ImageSkia* NotificationResource::default_icon_ = NULL; 59 60 NotificationResource::NotificationResource(BalloonHost* balloon_host) 61 : balloon_host_(balloon_host) { 62 if (!default_icon_) { 63 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); 64 default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON); 65 } 66 process_handle_ = 67 balloon_host_->web_contents()->GetRenderProcessHost()->GetHandle(); 68 unique_process_id_ = 69 balloon_host_->web_contents()->GetRenderProcessHost()->GetID(); 70 pid_ = base::GetProcId(process_handle_); 71 title_ = l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_NOTIFICATION_PREFIX, 72 balloon_host_->GetSource()); 73 } 74 75 NotificationResource::~NotificationResource() { 76 } 77 78 base::string16 NotificationResource::GetTitle() const { 79 return title_; 80 } 81 82 base::string16 NotificationResource::GetProfileName() const { 83 return base::string16(); 84 } 85 86 gfx::ImageSkia NotificationResource::GetIcon() const { 87 return *default_icon_; 88 } 89 90 base::ProcessHandle NotificationResource::GetProcess() const { 91 return process_handle_; 92 } 93 94 int NotificationResource::GetUniqueChildProcessId() const { 95 return unique_process_id_; 96 } 97 98 Resource::Type NotificationResource::GetType() const { 99 return NOTIFICATION; 100 } 101 102 bool NotificationResource::CanInspect() const { 103 return true; 104 } 105 106 void NotificationResource::Inspect() const { 107 DevToolsWindow::OpenDevToolsWindow( 108 balloon_host_->web_contents()->GetRenderViewHost()); 109 } 110 111 bool NotificationResource::SupportNetworkUsage() const { 112 return false; 113 } 114 115 //////////////////////////////////////////////////////////////////////////////// 116 // NotificationResourceProvider class 117 //////////////////////////////////////////////////////////////////////////////// 118 119 // static 120 NotificationResourceProvider* 121 NotificationResourceProvider::Create(TaskManager* task_manager) { 122 return new NotificationResourceProvider(task_manager); 123 } 124 125 NotificationResourceProvider:: 126 NotificationResourceProvider(TaskManager* task_manager) 127 : task_manager_(task_manager), 128 updating_(false) { 129 } 130 131 NotificationResourceProvider::~NotificationResourceProvider() { 132 } 133 134 Resource* NotificationResourceProvider::GetResource( 135 int origin_pid, 136 int render_process_host_id, 137 int routing_id) { 138 // TODO(johnnyg): provide resources by pid if necessary. 139 return NULL; 140 } 141 142 void NotificationResourceProvider::StartUpdating() { 143 // MessageCenter does not use Balloons. 144 if (NotificationUIManager::DelegatesToMessageCenter()) 145 return; 146 147 DCHECK(!updating_); 148 updating_ = true; 149 150 // Add all the existing BalloonHosts. 151 BalloonNotificationUIManager* balloon_manager = 152 static_cast<BalloonNotificationUIManager*>( 153 g_browser_process->notification_ui_manager()); 154 BalloonCollection* collection = balloon_manager->balloon_collection(); 155 const BalloonCollection::Balloons& balloons = 156 collection->GetActiveBalloons(); 157 for (BalloonCollection::Balloons::const_iterator it = balloons.begin(); 158 it != balloons.end(); ++it) { 159 BalloonHost* balloon_host = (*it)->balloon_view()->GetHost(); 160 if (balloon_host) 161 AddToTaskManager(balloon_host); 162 } 163 // Register for notifications about extension process changes. 164 registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED, 165 content::NotificationService::AllSources()); 166 registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED, 167 content::NotificationService::AllSources()); 168 } 169 170 void NotificationResourceProvider::StopUpdating() { 171 // MessageCenter does not use Balloons. 172 if (NotificationUIManager::DelegatesToMessageCenter()) 173 return; 174 175 DCHECK(updating_); 176 updating_ = false; 177 178 // Unregister for notifications about extension process changes. 179 registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED, 180 content::NotificationService::AllSources()); 181 registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED, 182 content::NotificationService::AllSources()); 183 184 // Delete all the resources. 185 STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end()); 186 resources_.clear(); 187 } 188 189 void NotificationResourceProvider::Observe( 190 int type, 191 const content::NotificationSource& source, 192 const content::NotificationDetails& details) { 193 switch (type) { 194 case chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED: 195 AddToTaskManager(content::Source<BalloonHost>(source).ptr()); 196 break; 197 case chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED: 198 RemoveFromTaskManager(content::Source<BalloonHost>(source).ptr()); 199 break; 200 default: 201 NOTREACHED() << "Unexpected notification."; 202 return; 203 } 204 } 205 206 void NotificationResourceProvider::AddToTaskManager( 207 BalloonHost* balloon_host) { 208 NotificationResource* resource = new NotificationResource(balloon_host); 209 DCHECK(resources_.find(balloon_host) == resources_.end()); 210 resources_[balloon_host] = resource; 211 task_manager_->AddResource(resource); 212 } 213 214 void NotificationResourceProvider::RemoveFromTaskManager( 215 BalloonHost* balloon_host) { 216 if (!updating_) 217 return; 218 std::map<BalloonHost*, NotificationResource*>::iterator iter = 219 resources_.find(balloon_host); 220 if (iter == resources_.end()) 221 return; 222 223 // Remove the resource from the Task Manager. 224 NotificationResource* resource = iter->second; 225 task_manager_->RemoveResource(resource); 226 227 // Remove it from the map. 228 resources_.erase(iter); 229 230 // Finally, delete the resource. 231 delete resource; 232 } 233 234 } // namespace task_manager 235
