wip: not complete.

chrome/browser/chromeos/system/input_device_settings.cc

Index: chrome/browser/chromeos/system/input_device_settings.cc
diff --git a/chrome/browser/chromeos/system/input_device_settings.cc b/chrome/browser/chromeos/system/input_device_settings.cc
deleted file mode 100644
index 744c92634aa75f4ec8f318a9b90b82085ac53252..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/system/input_device_settings.cc
+++ /dev/null
@@ -1,430 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/system/input_device_settings.h"
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/process/kill.h"
-#include "base/process/launch.h"
-#include "base/process/process_handle.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/sys_info.h"
-#include "base/task_runner.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
-#include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
-#include "chrome/common/pref_names.h"
-#include "chromeos/system/statistics_provider.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace chromeos {
-namespace system {
-
-namespace {
-
-InputDeviceSettings* g_instance_;
-InputDeviceSettings* g_test_instance_;
-
-const char kDeviceTypeTouchpad[] = "touchpad";
-const char kDeviceTypeMouse[] = "mouse";
-const char kInputControl[] = "/opt/google/input/inputcontrol";
-
-typedef base::RefCountedData<bool> RefCountedBool;
-
-bool ScriptExists(const std::string& script) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  return base::PathExists(base::FilePath(script));
-}
-
-// Executes the input control script asynchronously, if it exists.
-void ExecuteScriptOnFileThread(const std::vector<std::string>& argv) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  DCHECK(!argv.empty());
-  const std::string& script(argv[0]);
-
-  // Script must exist on device.
-  DCHECK(!base::SysInfo::IsRunningOnChromeOS() || ScriptExists(script));
-
-  if (!ScriptExists(script))
-    return;
-
-  base::ProcessHandle handle;
-  base::LaunchProcess(CommandLine(argv), base::LaunchOptions(), &handle);
-  base::EnsureProcessGetsReaped(handle);
-}
-
-void ExecuteScript(const std::vector<std::string>& argv) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-
-  if (argv.size() == 1)
-    return;
-
-  VLOG(1) << "About to launch: \""
-          << CommandLine(argv).GetCommandLineString() << "\"";
-
-  // Control scripts can take long enough to cause SIGART during shutdown
-  // (http://crbug.com/261426). Run the blocking pool task with
-  // CONTINUE_ON_SHUTDOWN so it won't be joined when Chrome shuts down.
-  base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
-  scoped_refptr<base::TaskRunner> runner =
-      pool->GetTaskRunnerWithShutdownBehavior(
-          base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
-  runner->PostTask(FROM_HERE, base::Bind(&ExecuteScriptOnFileThread, argv));
-}
-
-void AddSensitivityArguments(const char* device_type, int value,
-                             std::vector<std::string>* argv) {
-  DCHECK(value >= kMinPointerSensitivity && value <= kMaxPointerSensitivity);
-  argv->push_back(base::StringPrintf("--%s_sensitivity=%d",
-                                     device_type, value));
-}
-
-void AddTPControlArguments(const char* control,
-                           bool enabled,
-                           std::vector<std::string>* argv) {
-  argv->push_back(base::StringPrintf("--%s=%d", control, enabled ? 1 : 0));
-}
-
-void DeviceExistsBlockingPool(const char* device_type,
-                              scoped_refptr<RefCountedBool> exists) {
-  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
-  exists->data = false;
-  if (!ScriptExists(kInputControl))
-    return;
-
-  std::vector<std::string> argv;
-  argv.push_back(kInputControl);
-  argv.push_back(base::StringPrintf("--type=%s", device_type));
-  argv.push_back("--list");
-  std::string output;
-  // Output is empty if the device is not found.
-  exists->data = base::GetAppOutput(CommandLine(argv), &output) &&
-      !output.empty();
-  DVLOG(1) << "DeviceExistsBlockingPool:" << device_type << "=" << exists->data;
-}
-
-void RunCallbackUIThread(
-    scoped_refptr<RefCountedBool> exists,
-    const InputDeviceSettings::DeviceExistsCallback& callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-  DVLOG(1) << "RunCallbackUIThread " << exists->data;
-  callback.Run(exists->data);
-}
-
-void DeviceExists(const char* script,
-                  const InputDeviceSettings::DeviceExistsCallback& callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-
-  // One or both of the control scripts can apparently hang during shutdown
-  // (http://crbug.com/255546). Run the blocking pool task with
-  // CONTINUE_ON_SHUTDOWN so it won't be joined when Chrome shuts down.
-  scoped_refptr<RefCountedBool> exists(new RefCountedBool(false));
-  base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
-  scoped_refptr<base::TaskRunner> runner =
-      pool->GetTaskRunnerWithShutdownBehavior(
-          base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
-  runner->PostTaskAndReply(FROM_HERE,
-      base::Bind(&DeviceExistsBlockingPool, script, exists),
-      base::Bind(&RunCallbackUIThread, exists, callback));
-}
-
-class InputDeviceSettingsImpl : public InputDeviceSettings {
- public:
-  InputDeviceSettingsImpl();
-
- private:
-  // Overridden from InputDeviceSettings.
-  virtual void TouchpadExists(const DeviceExistsCallback& callback) OVERRIDE;
-  virtual void UpdateTouchpadSettings(const TouchpadSettings& settings)
-      OVERRIDE;
-  virtual void SetTouchpadSensitivity(int value) OVERRIDE;
-  virtual void SetTapToClick(bool enabled) OVERRIDE;
-  virtual void SetThreeFingerClick(bool enabled) OVERRIDE;
-  virtual void SetTapDragging(bool enabled) OVERRIDE;
-  virtual void SetNaturalScroll(bool enabled) OVERRIDE;
-  virtual void MouseExists(const DeviceExistsCallback& callback) OVERRIDE;
-  virtual void UpdateMouseSettings(const MouseSettings& update) OVERRIDE;
-  virtual void SetMouseSensitivity(int value) OVERRIDE;
-  virtual void SetPrimaryButtonRight(bool right) OVERRIDE;
-  virtual bool ForceKeyboardDrivenUINavigation() OVERRIDE;
-  virtual void ReapplyTouchpadSettings() OVERRIDE;
-  virtual void ReapplyMouseSettings() OVERRIDE;
-
- private:
-  TouchpadSettings current_touchpad_settings_;
-  MouseSettings current_mouse_settings_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputDeviceSettingsImpl);
-};
-
-InputDeviceSettingsImpl::InputDeviceSettingsImpl() {}
-
-void InputDeviceSettingsImpl::TouchpadExists(
-    const DeviceExistsCallback& callback) {
-  DeviceExists(kDeviceTypeTouchpad, callback);
-}
-
-void InputDeviceSettingsImpl::UpdateTouchpadSettings(
-    const TouchpadSettings& settings) {
-  std::vector<std::string> argv;
-  if (current_touchpad_settings_.Update(settings, &argv))
-    ExecuteScript(argv);
-}
-
-void InputDeviceSettingsImpl::SetTouchpadSensitivity(int value) {
-  TouchpadSettings settings;
-  settings.SetSensitivity(value);
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::SetNaturalScroll(bool enabled) {
-  TouchpadSettings settings;
-  settings.SetNaturalScroll(enabled);
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::SetTapToClick(bool enabled) {
-  TouchpadSettings settings;
-  settings.SetTapToClick(enabled);
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::SetThreeFingerClick(bool enabled) {
-  // For Alex/ZGB.
-  TouchpadSettings settings;
-  settings.SetThreeFingerClick(enabled);
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::SetTapDragging(bool enabled) {
-  TouchpadSettings settings;
-  settings.SetTapDragging(enabled);
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::MouseExists(
-    const DeviceExistsCallback& callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-  DeviceExists(kDeviceTypeMouse, callback);
-}
-
-void InputDeviceSettingsImpl::UpdateMouseSettings(const MouseSettings& update) {
-  std::vector<std::string> argv;
-  if (current_mouse_settings_.Update(update, &argv))
-    ExecuteScript(argv);
-}
-
-void InputDeviceSettingsImpl::SetMouseSensitivity(int value) {
-  MouseSettings settings;
-  settings.SetSensitivity(value);
-  UpdateMouseSettings(settings);
-}
-
-void InputDeviceSettingsImpl::SetPrimaryButtonRight(bool right) {
-  MouseSettings settings;
-  settings.SetPrimaryButtonRight(right);
-  UpdateMouseSettings(settings);
-}
-
-bool InputDeviceSettingsImpl::ForceKeyboardDrivenUINavigation() {
-  policy::BrowserPolicyConnectorChromeOS* connector =
-      g_browser_process->platform_part()->browser_policy_connector_chromeos();
-  if (!connector)
-    return false;
-
-  policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
-      connector->GetDeviceCloudPolicyManager();
-  if (!policy_manager)
-    return false;
-
-  if (policy_manager->IsRemoraRequisition() ||
-      policy_manager->IsSharkRequisition()) {
-    return true;
-  }
-
-  bool keyboard_driven = false;
-  if (chromeos::system::StatisticsProvider::GetInstance()->GetMachineFlag(
-          kOemKeyboardDrivenOobeKey, &keyboard_driven)) {
-    return keyboard_driven;
-  }
-
-  return false;
-}
-
-void InputDeviceSettingsImpl::ReapplyTouchpadSettings() {
-  TouchpadSettings settings = current_touchpad_settings_;
-  current_touchpad_settings_ = TouchpadSettings();
-  UpdateTouchpadSettings(settings);
-}
-
-void InputDeviceSettingsImpl::ReapplyMouseSettings() {
-  MouseSettings settings = current_mouse_settings_;
-  current_mouse_settings_ = MouseSettings();
-  UpdateMouseSettings(settings);
-}
-
-}  // namespace
-
-TouchpadSettings::TouchpadSettings() {}
-
-TouchpadSettings& TouchpadSettings::operator=(const TouchpadSettings& other) {
-  if (&other != this) {
-    sensitivity_ = other.sensitivity_;
-    tap_to_click_ = other.tap_to_click_;
-    three_finger_click_ = other.three_finger_click_;
-    tap_dragging_ = other.tap_dragging_;
-    natural_scroll_ = other.natural_scroll_;
-  }
-  return *this;
-}
-
-void TouchpadSettings::SetSensitivity(int value) {
-  sensitivity_.Set(value);
-}
-
-int TouchpadSettings::GetSensitivity() const {
-  return sensitivity_.value();
-}
-
-void TouchpadSettings::SetTapToClick(bool enabled) {
-  tap_to_click_.Set(enabled);
-}
-
-bool TouchpadSettings::GetTapToClick() const {
-  return tap_to_click_.value();
-}
-
-void TouchpadSettings::SetNaturalScroll(bool enabled) {
-  natural_scroll_.Set(enabled);
-}
-
-bool TouchpadSettings::GetNaturalScroll() const {
-  return natural_scroll_.value();
-}
-
-void TouchpadSettings::SetThreeFingerClick(bool enabled) {
-  three_finger_click_.Set(enabled);
-}
-
-bool TouchpadSettings::GetThreeFingerClick() const {
-  return three_finger_click_.value();
-}
-
-void TouchpadSettings::SetTapDragging(bool enabled) {
-  tap_dragging_.Set(enabled);
-}
-
-bool TouchpadSettings::GetTapDragging() const {
-  return tap_dragging_.value();
-}
-
-bool TouchpadSettings::Update(const TouchpadSettings& settings,
-                              std::vector<std::string>* argv) {
-  if (argv)
-    argv->push_back(kInputControl);
-  bool updated = false;
-  if (sensitivity_.Update(settings.sensitivity_)) {
-    updated = true;
-    if (argv)
-      AddSensitivityArguments(kDeviceTypeTouchpad, sensitivity_.value(), argv);
-  }
-  if (tap_to_click_.Update(settings.tap_to_click_)) {
-    updated = true;
-    if (argv)
-      AddTPControlArguments("tapclick", tap_to_click_.value(), argv);
-  }
-  if (three_finger_click_.Update(settings.three_finger_click_)) {
-    updated = true;
-    if (argv)
-      AddTPControlArguments("t5r2_three_finger_click",
-                            three_finger_click_.value(),
-                            argv);
-  }
-  if (tap_dragging_.Update(settings.tap_dragging_)) {
-    updated = true;
-    if (argv)
-      AddTPControlArguments("tapdrag", tap_dragging_.value(), argv);
-  }
-  if (natural_scroll_.Update(settings.natural_scroll_)) {
-    updated = true;
-    if (argv)
-      AddTPControlArguments("australian_scrolling", natural_scroll_.value(),
-                            argv);
-  }
-  return updated;
-}
-
-MouseSettings::MouseSettings() {}
-
-MouseSettings& MouseSettings::operator=(const MouseSettings& other) {
-  if (&other != this) {
-    sensitivity_ = other.sensitivity_;
-    primary_button_right_ = other.primary_button_right_;
-  }
-  return *this;
-}
-
-void MouseSettings::SetSensitivity(int value) {
-  sensitivity_.Set(value);
-}
-
-int MouseSettings::GetSensitivity() const {
-  return sensitivity_.value();
-}
-
-void MouseSettings::SetPrimaryButtonRight(bool right) {
-  primary_button_right_.Set(right);
-}
-
-bool MouseSettings::GetPrimaryButtonRight() const {
-  return primary_button_right_.value();
-}
-
-bool MouseSettings::Update(const MouseSettings& settings,
-                           std::vector<std::string>* argv) {
-  if (argv)
-    argv->push_back(kInputControl);
-  bool updated = false;
-  if (sensitivity_.Update(settings.sensitivity_)) {
-    updated = true;
-    if (argv)
-      AddSensitivityArguments(kDeviceTypeMouse, sensitivity_.value(), argv);
-  }
-  if (primary_button_right_.Update(settings.primary_button_right_)) {
-    updated = true;
-    if (argv) {
-      AddTPControlArguments("mouse_swap_lr", primary_button_right_.value(),
-                            argv);
-    }
-  }
-  return updated;
-}
-
-// static
-InputDeviceSettings* InputDeviceSettings::Get() {
-  if (g_test_instance_)
-    return g_test_instance_;
-  if (!g_instance_)
-    g_instance_ = new InputDeviceSettingsImpl;
-  return g_instance_;
-}
-
-// static
-void InputDeviceSettings::SetSettingsForTesting(
-    InputDeviceSettings* test_settings) {
-  if (g_test_instance_ == test_settings)
-    return;
-  delete g_test_instance_;
-  g_test_instance_ = test_settings;
-}
-
-}  // namespace system
-}  // namespace chromeos