display_power_service_provider.cc revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
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
15namespace chromeos {
16
17DisplayPowerServiceProvider::DisplayPowerServiceProvider()
18    : weak_ptr_factory_(this) {
19}
20
21DisplayPowerServiceProvider::~DisplayPowerServiceProvider() {}
22
23void 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
41void 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
50void 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
73void 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