1 // Copyright (c) 2013 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/chromeos/dbus/display_power_service_provider.h"
6
7 #include "ash/shell.h"
8 #include "base/bind.h"
9 #include "dbus/bus.h"
10 #include "dbus/message.h"
11 #include "third_party/cros_system_api/dbus/service_constants.h"
12 #include "ui/display/chromeos/display_configurator.h"
13 #include "ui/wm/core/user_activity_detector.h"
14
15 namespace chromeos {
16
DisplayPowerServiceProvider()17 DisplayPowerServiceProvider::DisplayPowerServiceProvider()
18 : weak_ptr_factory_(this) {
19 }
20
~DisplayPowerServiceProvider()21 DisplayPowerServiceProvider::~DisplayPowerServiceProvider() {}
22
Start(scoped_refptr<dbus::ExportedObject> exported_object)23 void DisplayPowerServiceProvider::Start(
24 scoped_refptr<dbus::ExportedObject> exported_object) {
25 exported_object->ExportMethod(
26 kLibCrosServiceInterface,
27 kSetDisplayPower,
28 base::Bind(&DisplayPowerServiceProvider::SetDisplayPower,
29 weak_ptr_factory_.GetWeakPtr()),
30 base::Bind(&DisplayPowerServiceProvider::OnExported,
31 weak_ptr_factory_.GetWeakPtr()));
32 exported_object->ExportMethod(
33 kLibCrosServiceInterface,
34 kSetDisplaySoftwareDimming,
35 base::Bind(&DisplayPowerServiceProvider::SetDisplaySoftwareDimming,
36 weak_ptr_factory_.GetWeakPtr()),
37 base::Bind(&DisplayPowerServiceProvider::OnExported,
38 weak_ptr_factory_.GetWeakPtr()));
39 }
40
OnExported(const std::string & interface_name,const std::string & method_name,bool success)41 void DisplayPowerServiceProvider::OnExported(const std::string& interface_name,
42 const std::string& method_name,
43 bool success) {
44 if (!success) {
45 LOG(ERROR) << "Failed to export " << interface_name << "."
46 << method_name;
47 }
48 }
49
SetDisplayPower(dbus::MethodCall * method_call,dbus::ExportedObject::ResponseSender response_sender)50 void DisplayPowerServiceProvider::SetDisplayPower(
51 dbus::MethodCall* method_call,
52 dbus::ExportedObject::ResponseSender response_sender) {
53 dbus::MessageReader reader(method_call);
54 int int_state = 0;
55 if (reader.PopInt32(&int_state)) {
56 // Turning displays off when the device becomes idle or on just before
57 // we suspend may trigger a mouse move, which would then be incorrectly
58 // reported as user activity. Let the UserActivityDetector
59 // know so that it can ignore such events.
60 ash::Shell::GetInstance()->user_activity_detector()->
61 OnDisplayPowerChanging();
62
63 DisplayPowerState state = static_cast<DisplayPowerState>(int_state);
64 ash::Shell::GetInstance()->display_configurator()->SetDisplayPower(
65 state, ui::DisplayConfigurator::kSetDisplayPowerNoFlags);
66 } else {
67 LOG(ERROR) << "Unable to parse " << kSetDisplayPower << " request";
68 }
69
70 response_sender.Run(dbus::Response::FromMethodCall(method_call));
71 }
72
SetDisplaySoftwareDimming(dbus::MethodCall * method_call,dbus::ExportedObject::ResponseSender response_sender)73 void DisplayPowerServiceProvider::SetDisplaySoftwareDimming(
74 dbus::MethodCall* method_call,
75 dbus::ExportedObject::ResponseSender response_sender) {
76 dbus::MessageReader reader(method_call);
77 bool dimmed = false;
78 if (reader.PopBool(&dimmed)) {
79 ash::Shell::GetInstance()->SetDimming(dimmed);
80 } else {
81 LOG(ERROR) << "Unable to parse " << kSetDisplaySoftwareDimming
82 << " request";
83 }
84 response_sender.Run(dbus::Response::FromMethodCall(method_call));
85 }
86
87 } // namespace chromeos
88