ChromeOs Power Emulation Impl

chromeos/dbus/fake_power_manager_client.cc

Index: chromeos/dbus/fake_power_manager_client.cc
diff --git a/chromeos/dbus/fake_power_manager_client.cc b/chromeos/dbus/fake_power_manager_client.cc
index 6c9a3872726a62a4ba5f0f2f353219f2e885b950..54551f45f0cd03aa9514658e11668aa7d9176353 100644
--- a/chromeos/dbus/fake_power_manager_client.cc
+++ b/chromeos/dbus/fake_power_manager_client.cc
@@ -6,9 +6,15 @@
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/logging.h"
 #include "base/time/time.h"
 
 namespace chromeos {
+namespace {
+
+const int kDefaultBatteryLifeSpanSec = 6 * 3600;  // 6 hours
+
+}  // namespace
 
 FakePowerManagerClient::FakePowerManagerClient()
     : num_request_restart_calls_(0),
@@ -23,6 +29,16 @@ FakePowerManagerClient::~FakePowerManagerClient() {
 }
 
 void FakePowerManagerClient::Init(dbus::Bus* bus) {
+  int remaining_battery_sec = 50 * kDefaultBatteryLifeSpanSec / 100;
+  props_.set_battery_percent(50);
+  props_.set_is_calculating_battery_time(false);
+  props_.set_battery_state(
+      power_manager::PowerSupplyProperties_BatteryState_DISCHARGING);
+  props_.set_external_power(
+      power_manager::PowerSupplyProperties_ExternalPower_DISCONNECTED);
+  props_.set_battery_time_to_full_sec(0);
+  props_.set_battery_time_to_empty_sec(remaining_battery_sec);
+  NotifyObservers();

[oshima, 2015/07/10 22:39:40]

I'm not sure if these are necessary/useful. I'll leave it to derat@.

 }
 
 void FakePowerManagerClient::AddObserver(Observer* observer) {
@@ -34,7 +50,7 @@ void FakePowerManagerClient::RemoveObserver(Observer* observer) {
 }
 
 bool FakePowerManagerClient::HasObserver(const Observer* observer) const {
-  return false;
+  return observers_.HasObserver(observer);
 }
 
 void FakePowerManagerClient::SetRenderProcessManagerDelegate(
@@ -63,6 +79,7 @@ void FakePowerManagerClient::IncreaseKeyboardBrightness() {
 }
 
 void FakePowerManagerClient::RequestStatusUpdate() {
+  NotifyObservers();
 }
 
 void FakePowerManagerClient::RequestSuspend() {
@@ -129,6 +146,17 @@ void FakePowerManagerClient::SendPowerButtonEvent(
                     PowerButtonEventReceived(down, timestamp));
 }
 
+void FakePowerManagerClient::UpdatePowerProperties(
+    const power_manager::PowerSupplyProperties& proto) {
+  props_.Clear();

[oshima, 2015/07/10 22:39:40]

you don't need to call Clear(). The following line will overwrite everything.

[mozartalouis, 2015/07/14 20:01:28]

Done.

+  props_ = proto;
+  NotifyObservers();
+}
+
+void FakePowerManagerClient::NotifyObservers() {
+  FOR_EACH_OBSERVER(Observer, observers_, PowerChanged(props_));
+}
+
 void FakePowerManagerClient::HandleSuspendReadiness() {
   CHECK(num_pending_suspend_readiness_callbacks_ > 0);