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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "extensions/browser/api/system_info/system_info_api.h" | 5 #include "extensions/browser/api/system_info/system_info_api.h" |
| 6 | 6 |
| 7 #include <stdint.h> | 7 #include <stdint.h> |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <set> | 10 #include <set> |
| 11 #include <utility> | 11 #include <utility> |
| 12 | 12 |
| 13 #include "base/bind.h" | 13 #include "base/bind.h" |
| 14 #include "base/lazy_instance.h" | 14 #include "base/lazy_instance.h" |
| 15 #include "base/macros.h" | 15 #include "base/macros.h" |
| 16 #include "base/memory/singleton.h" | 16 #include "base/memory/singleton.h" |
| 17 #include "base/strings/string_util.h" | 17 #include "base/strings/string_util.h" |
| 18 #include "base/values.h" | 18 #include "base/values.h" |
| 19 #include "components/storage_monitor/removable_storage_observer.h" | 19 #include "components/storage_monitor/removable_storage_observer.h" |
| 20 #include "components/storage_monitor/storage_info.h" | 20 #include "components/storage_monitor/storage_info.h" |
| 21 #include "components/storage_monitor/storage_monitor.h" | 21 #include "components/storage_monitor/storage_monitor.h" |
| 22 #include "content/public/browser/browser_thread.h" | 22 #include "content/public/browser/browser_thread.h" |
| 23 #include "extensions/browser/api/system_storage/storage_info_provider.h" | 23 #include "extensions/browser/api/system_storage/storage_info_provider.h" |
| 24 #include "extensions/browser/extensions_browser_client.h" | 24 #include "extensions/browser/extensions_browser_client.h" |
| 25 #include "extensions/common/api/system_display.h" | 25 #include "extensions/common/api/system_display.h" |
| 26 #include "extensions/common/api/system_storage.h" | 26 #include "extensions/common/api/system_storage.h" |
| 27 #include "ui/gfx/display_observer.h" | 27 #include "ui/display/display_observer.h" |
| 28 #include "ui/gfx/screen.h" | 28 #include "ui/display/screen.h" |
| 29 | 29 |
| 30 namespace extensions { | 30 namespace extensions { |
| 31 | 31 |
| 32 using api::system_storage::StorageUnitInfo; | 32 using api::system_storage::StorageUnitInfo; |
| 33 using content::BrowserThread; | 33 using content::BrowserThread; |
| 34 using storage_monitor::StorageMonitor; | 34 using storage_monitor::StorageMonitor; |
| 35 | 35 |
| 36 namespace system_display = api::system_display; | 36 namespace system_display = api::system_display; |
| 37 namespace system_storage = api::system_storage; | 37 namespace system_storage = api::system_storage; |
| 38 | 38 |
| 39 namespace { | 39 namespace { |
| 40 | 40 |
| 41 bool IsDisplayChangedEvent(const std::string& event_name) { | 41 bool IsDisplayChangedEvent(const std::string& event_name) { |
| 42 return event_name == system_display::OnDisplayChanged::kEventName; | 42 return event_name == system_display::OnDisplayChanged::kEventName; |
| 43 } | 43 } |
| 44 | 44 |
| 45 bool IsSystemStorageEvent(const std::string& event_name) { | 45 bool IsSystemStorageEvent(const std::string& event_name) { |
| 46 return (event_name == system_storage::OnAttached::kEventName || | 46 return (event_name == system_storage::OnAttached::kEventName || |
| 47 event_name == system_storage::OnDetached::kEventName); | 47 event_name == system_storage::OnDetached::kEventName); |
| 48 } | 48 } |
| 49 | 49 |
| 50 // Event router for systemInfo API. It is a singleton instance shared by | 50 // Event router for systemInfo API. It is a singleton instance shared by |
| 51 // multiple profiles. | 51 // multiple profiles. |
| 52 class SystemInfoEventRouter : public gfx::DisplayObserver, | 52 class SystemInfoEventRouter : public display::DisplayObserver, |
| 53 public storage_monitor::RemovableStorageObserver { | 53 public storage_monitor::RemovableStorageObserver { |
| 54 public: | 54 public: |
| 55 static SystemInfoEventRouter* GetInstance(); | 55 static SystemInfoEventRouter* GetInstance(); |
| 56 | 56 |
| 57 SystemInfoEventRouter(); | 57 SystemInfoEventRouter(); |
| 58 ~SystemInfoEventRouter() override; | 58 ~SystemInfoEventRouter() override; |
| 59 | 59 |
| 60 // Add/remove event listener for the |event_name| event. | 60 // Add/remove event listener for the |event_name| event. |
| 61 void AddEventListener(const std::string& event_name); | 61 void AddEventListener(const std::string& event_name); |
| 62 void RemoveEventListener(const std::string& event_name); | 62 void RemoveEventListener(const std::string& event_name); |
| 63 | 63 |
| 64 private: | 64 private: |
| 65 // gfx::DisplayObserver: | 65 // display::DisplayObserver: |
| 66 void OnDisplayAdded(const gfx::Display& new_display) override; | 66 void OnDisplayAdded(const display::Display& new_display) override; |
| 67 void OnDisplayRemoved(const gfx::Display& old_display) override; | 67 void OnDisplayRemoved(const display::Display& old_display) override; |
| 68 void OnDisplayMetricsChanged(const gfx::Display& display, | 68 void OnDisplayMetricsChanged(const display::Display& display, |
| 69 uint32_t metrics) override; | 69 uint32_t metrics) override; |
| 70 | 70 |
| 71 // RemovableStorageObserver implementation. | 71 // RemovableStorageObserver implementation. |
| 72 void OnRemovableStorageAttached( | 72 void OnRemovableStorageAttached( |
| 73 const storage_monitor::StorageInfo& info) override; | 73 const storage_monitor::StorageInfo& info) override; |
| 74 void OnRemovableStorageDetached( | 74 void OnRemovableStorageDetached( |
| 75 const storage_monitor::StorageInfo& info) override; | 75 const storage_monitor::StorageInfo& info) override; |
| 76 | 76 |
| 77 // Called from any thread to dispatch the systemInfo event to all extension | 77 // Called from any thread to dispatch the systemInfo event to all extension |
| 78 // processes cross multiple profiles. | 78 // processes cross multiple profiles. |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 112 } | 112 } |
| 113 | 113 |
| 114 void SystemInfoEventRouter::AddEventListener(const std::string& event_name) { | 114 void SystemInfoEventRouter::AddEventListener(const std::string& event_name) { |
| 115 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 115 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 116 | 116 |
| 117 watching_event_set_.insert(event_name); | 117 watching_event_set_.insert(event_name); |
| 118 if (watching_event_set_.count(event_name) > 1) | 118 if (watching_event_set_.count(event_name) > 1) |
| 119 return; | 119 return; |
| 120 | 120 |
| 121 if (IsDisplayChangedEvent(event_name)) { | 121 if (IsDisplayChangedEvent(event_name)) { |
| 122 gfx::Screen* screen = gfx::Screen::GetScreen(); | 122 display::Screen* screen = display::Screen::GetScreen(); |
| 123 if (screen) | 123 if (screen) |
| 124 screen->AddObserver(this); | 124 screen->AddObserver(this); |
| 125 } | 125 } |
| 126 | 126 |
| 127 if (IsSystemStorageEvent(event_name)) { | 127 if (IsSystemStorageEvent(event_name)) { |
| 128 if (!has_storage_monitor_observer_) { | 128 if (!has_storage_monitor_observer_) { |
| 129 has_storage_monitor_observer_ = true; | 129 has_storage_monitor_observer_ = true; |
| 130 DCHECK(StorageMonitor::GetInstance()->IsInitialized()); | 130 DCHECK(StorageMonitor::GetInstance()->IsInitialized()); |
| 131 StorageMonitor::GetInstance()->AddObserver(this); | 131 StorageMonitor::GetInstance()->AddObserver(this); |
| 132 } | 132 } |
| 133 } | 133 } |
| 134 } | 134 } |
| 135 | 135 |
| 136 void SystemInfoEventRouter::RemoveEventListener(const std::string& event_name) { | 136 void SystemInfoEventRouter::RemoveEventListener(const std::string& event_name) { |
| 137 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 137 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 138 | 138 |
| 139 std::multiset<std::string>::iterator it = | 139 std::multiset<std::string>::iterator it = |
| 140 watching_event_set_.find(event_name); | 140 watching_event_set_.find(event_name); |
| 141 if (it != watching_event_set_.end()) { | 141 if (it != watching_event_set_.end()) { |
| 142 watching_event_set_.erase(it); | 142 watching_event_set_.erase(it); |
| 143 if (watching_event_set_.count(event_name) > 0) | 143 if (watching_event_set_.count(event_name) > 0) |
| 144 return; | 144 return; |
| 145 } | 145 } |
| 146 | 146 |
| 147 if (IsDisplayChangedEvent(event_name)) { | 147 if (IsDisplayChangedEvent(event_name)) { |
| 148 gfx::Screen* screen = gfx::Screen::GetScreen(); | 148 display::Screen* screen = display::Screen::GetScreen(); |
| 149 if (screen) | 149 if (screen) |
| 150 screen->RemoveObserver(this); | 150 screen->RemoveObserver(this); |
| 151 } | 151 } |
| 152 | 152 |
| 153 if (IsSystemStorageEvent(event_name)) { | 153 if (IsSystemStorageEvent(event_name)) { |
| 154 const std::string& other_event_name = | 154 const std::string& other_event_name = |
| 155 (event_name == system_storage::OnDetached::kEventName) | 155 (event_name == system_storage::OnDetached::kEventName) |
| 156 ? system_storage::OnAttached::kEventName | 156 ? system_storage::OnAttached::kEventName |
| 157 : system_storage::OnDetached::kEventName; | 157 : system_storage::OnDetached::kEventName; |
| 158 if (watching_event_set_.count(other_event_name) == 0) { | 158 if (watching_event_set_.count(other_event_name) == 0) { |
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| 177 std::unique_ptr<base::ListValue> args(new base::ListValue); | 177 std::unique_ptr<base::ListValue> args(new base::ListValue); |
| 178 std::string transient_id = | 178 std::string transient_id = |
| 179 StorageMonitor::GetInstance()->GetTransientIdForDeviceId( | 179 StorageMonitor::GetInstance()->GetTransientIdForDeviceId( |
| 180 info.device_id()); | 180 info.device_id()); |
| 181 args->AppendString(transient_id); | 181 args->AppendString(transient_id); |
| 182 | 182 |
| 183 DispatchEvent(events::SYSTEM_STORAGE_ON_DETACHED, | 183 DispatchEvent(events::SYSTEM_STORAGE_ON_DETACHED, |
| 184 system_storage::OnDetached::kEventName, std::move(args)); | 184 system_storage::OnDetached::kEventName, std::move(args)); |
| 185 } | 185 } |
| 186 | 186 |
| 187 void SystemInfoEventRouter::OnDisplayAdded(const gfx::Display& new_display) { | 187 void SystemInfoEventRouter::OnDisplayAdded( |
| 188 const display::Display& new_display) { |
| 188 OnDisplayChanged(); | 189 OnDisplayChanged(); |
| 189 } | 190 } |
| 190 | 191 |
| 191 void SystemInfoEventRouter::OnDisplayRemoved(const gfx::Display& old_display) { | 192 void SystemInfoEventRouter::OnDisplayRemoved( |
| 193 const display::Display& old_display) { |
| 192 OnDisplayChanged(); | 194 OnDisplayChanged(); |
| 193 } | 195 } |
| 194 | 196 |
| 195 void SystemInfoEventRouter::OnDisplayMetricsChanged(const gfx::Display& display, | 197 void SystemInfoEventRouter::OnDisplayMetricsChanged( |
| 196 uint32_t metrics) { | 198 const display::Display& display, |
| 199 uint32_t metrics) { |
| 197 OnDisplayChanged(); | 200 OnDisplayChanged(); |
| 198 } | 201 } |
| 199 | 202 |
| 200 void SystemInfoEventRouter::OnDisplayChanged() { | 203 void SystemInfoEventRouter::OnDisplayChanged() { |
| 201 std::unique_ptr<base::ListValue> args(new base::ListValue()); | 204 std::unique_ptr<base::ListValue> args(new base::ListValue()); |
| 202 DispatchEvent(events::SYSTEM_DISPLAY_ON_DISPLAY_CHANGED, | 205 DispatchEvent(events::SYSTEM_DISPLAY_ON_DISPLAY_CHANGED, |
| 203 system_display::OnDisplayChanged::kEventName, std::move(args)); | 206 system_display::OnDisplayChanged::kEventName, std::move(args)); |
| 204 } | 207 } |
| 205 | 208 |
| 206 void SystemInfoEventRouter::DispatchEvent( | 209 void SystemInfoEventRouter::DispatchEvent( |
| (...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 257 void SystemInfoAPI::OnListenerRemoved(const EventListenerInfo& details) { | 260 void SystemInfoAPI::OnListenerRemoved(const EventListenerInfo& details) { |
| 258 if (IsSystemStorageEvent(details.event_name)) { | 261 if (IsSystemStorageEvent(details.event_name)) { |
| 259 StorageMonitor::GetInstance()->EnsureInitialized( | 262 StorageMonitor::GetInstance()->EnsureInitialized( |
| 260 base::Bind(&RemoveEventListener, details.event_name)); | 263 base::Bind(&RemoveEventListener, details.event_name)); |
| 261 } else { | 264 } else { |
| 262 RemoveEventListener(details.event_name); | 265 RemoveEventListener(details.event_name); |
| 263 } | 266 } |
| 264 } | 267 } |
| 265 | 268 |
| 266 } // namespace extensions | 269 } // namespace extensions |
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