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Side by Side Diff: services/device/battery/battery_status_manager_linux.cc

Issue 2818673003: [DeviceService] Expose battery monitoring solely via the Device Service (Closed)
Patch Set: Java file format change Created 3 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 "device/battery/battery_status_manager_linux.h" 5 #include "services/device/battery/battery_status_manager_linux.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <limits> 10 #include <limits>
11 #include <memory> 11 #include <memory>
12 #include <string> 12 #include <string>
13 #include <utility> 13 #include <utility>
14 #include <vector> 14 #include <vector>
15 15
16 #include "base/macros.h" 16 #include "base/macros.h"
17 #include "base/metrics/histogram_macros.h" 17 #include "base/metrics/histogram_macros.h"
18 #include "base/single_thread_task_runner.h" 18 #include "base/single_thread_task_runner.h"
19 #include "base/threading/thread.h" 19 #include "base/threading/thread.h"
20 #include "base/values.h" 20 #include "base/values.h"
21 #include "base/version.h" 21 #include "base/version.h"
22 #include "dbus/bus.h" 22 #include "dbus/bus.h"
23 #include "dbus/message.h" 23 #include "dbus/message.h"
24 #include "dbus/object_path.h" 24 #include "dbus/object_path.h"
25 #include "dbus/object_proxy.h" 25 #include "dbus/object_proxy.h"
26 #include "dbus/property.h" 26 #include "dbus/property.h"
27 #include "dbus/values_util.h" 27 #include "dbus/values_util.h"
28 #include "device/battery/battery_status_manager_linux-inl.h" 28 #include "services/device/battery/battery_status_manager_linux-inl.h"
29 29
30 namespace device { 30 namespace device {
31 namespace { 31 namespace {
32 const char kBatteryNotifierThreadName[] = "BatteryStatusNotifier"; 32 const char kBatteryNotifierThreadName[] = "BatteryStatusNotifier";
33 33
34 class UPowerProperties : public dbus::PropertySet { 34 class UPowerProperties : public dbus::PropertySet {
35 public: 35 public:
36 UPowerProperties(dbus::ObjectProxy* object_proxy, 36 UPowerProperties(dbus::ObjectProxy* object_proxy,
37 const PropertyChangedCallback callback); 37 const PropertyChangedCallback callback);
38 ~UPowerProperties() override; 38 ~UPowerProperties() override;
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120 &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT)); 120 &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT));
121 121
122 if (response) { 122 if (response) {
123 dbus::MessageReader reader(response.get()); 123 dbus::MessageReader reader(response.get());
124 reader.PopObjectPath(&display_device_path); 124 reader.PopObjectPath(&display_device_path);
125 } 125 }
126 return display_device_path; 126 return display_device_path;
127 } 127 }
128 128
129 void UpdateNumberBatteriesHistogram(int count) { 129 void UpdateNumberBatteriesHistogram(int count) {
130 UMA_HISTOGRAM_CUSTOM_COUNTS( 130 UMA_HISTOGRAM_CUSTOM_COUNTS("BatteryStatus.NumberBatteriesLinux", count, 1, 5,
131 "BatteryStatus.NumberBatteriesLinux", count, 1, 5, 6); 131 6);
132 } 132 }
133 133
134 class BatteryProperties : public dbus::PropertySet { 134 class BatteryProperties : public dbus::PropertySet {
135 public: 135 public:
136 BatteryProperties(dbus::ObjectProxy* object_proxy, 136 BatteryProperties(dbus::ObjectProxy* object_proxy,
137 const PropertyChangedCallback callback); 137 const PropertyChangedCallback callback);
138 ~BatteryProperties() override; 138 ~BatteryProperties() override;
139 139
140 void ConnectSignals() override; 140 void ConnectSignals() override;
141 141
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353 } 353 }
354 354
355 void StopListening() { 355 void StopListening() {
356 DCHECK(OnWatcherThread()); 356 DCHECK(OnWatcherThread());
357 ShutdownDBusConnection(); 357 ShutdownDBusConnection();
358 } 358 }
359 359
360 void SetDBusForTesting(dbus::Bus* bus) { system_bus_ = bus; } 360 void SetDBusForTesting(dbus::Bus* bus) { system_bus_ = bus; }
361 361
362 private: 362 private:
363 bool OnWatcherThread() { 363 bool OnWatcherThread() { return task_runner()->BelongsToCurrentThread(); }
364 return task_runner()->BelongsToCurrentThread();
365 }
366 364
367 void InitDBus() { 365 void InitDBus() {
368 DCHECK(OnWatcherThread()); 366 DCHECK(OnWatcherThread());
369 367
370 dbus::Bus::Options options; 368 dbus::Bus::Options options;
371 options.bus_type = dbus::Bus::SYSTEM; 369 options.bus_type = dbus::Bus::SYSTEM;
372 options.connection_type = dbus::Bus::PRIVATE; 370 options.connection_type = dbus::Bus::PRIVATE;
373 system_bus_ = new dbus::Bus(options); 371 system_bus_ = new dbus::Bus(options);
374 } 372 }
375 373
376 bool IsDaemonVersionBelow_0_99() { 374 bool IsDaemonVersionBelow_0_99() {
377 base::Version daemon_version = upower_->properties()->daemon_version(); 375 base::Version daemon_version = upower_->properties()->daemon_version();
378 return daemon_version.IsValid() && 376 return daemon_version.IsValid() &&
379 daemon_version.CompareTo(base::Version("0.99")) < 0; 377 daemon_version.CompareTo(base::Version("0.99")) < 0;
380 } 378 }
381 379
382 void FindBatteryDevice() { 380 void FindBatteryDevice() {
383 // Move the currently watched battery_ device to a stack-local variable such 381 // Move the currently watched battery_ device to a stack-local variable such
384 // that we can enumerate all devices (once more): 382 // that we can enumerate all devices (once more):
385 // first testing the display device, then testing all devices from 383 // first testing the display device, then testing all devices from
386 // EnumerateDevices. We will monitor the first battery device we find. 384 // EnumerateDevices. We will monitor the first battery device we find.
387 // - That may be the same device we did monitor on entering this method; 385 // - That may be the same device we did monitor on entering this method;
388 // then we'll use the same BatteryObject instance, that was moved to 386 // then we'll use the same BatteryObject instance, that was moved to
389 // current - see UseCurrentOrCreateBattery(). 387 // current - see UseCurrentOrCreateBattery().
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613 return manager; 611 return manager;
614 } 612 }
615 613
616 // static 614 // static
617 std::unique_ptr<BatteryStatusManager> BatteryStatusManager::Create( 615 std::unique_ptr<BatteryStatusManager> BatteryStatusManager::Create(
618 const BatteryStatusService::BatteryUpdateCallback& callback) { 616 const BatteryStatusService::BatteryUpdateCallback& callback) {
619 return base::MakeUnique<BatteryStatusManagerLinux>(callback); 617 return base::MakeUnique<BatteryStatusManagerLinux>(callback);
620 } 618 }
621 619
622 } // namespace device 620 } // namespace device
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