Rename touchpad_settings.* to input_device_settings.*

chrome/browser/chromeos/system/input_device_settings.cc

+// Copyright (c) 2011 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 <string>
+#include <vector>
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/message_loop.h"
+#include "base/process_util.h"
+#include "base/stringprintf.h"
+#include "chrome/browser/chromeos/system/runtime_environment.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+namespace chromeos {
+namespace system {
+
+namespace touchpad_settings {
+namespace {
+const char* kTpControl = "/opt/google/touchpad/tpcontrol";
+
+bool TPCtrlExists() {
+  return file_util::PathExists(FilePath(kTpControl));
+}
+
+// Launches the tpcontrol command asynchronously, if it exists.
+void LaunchTpControl(const std::vector<std::string>& argv) {
+  if (!TPCtrlExists())
+    return;
+
+  base::LaunchOptions options;
+  options.wait = true;
+  base::LaunchProcess(CommandLine(argv), options, NULL);
+}
+
+}  // namespace
+
+bool TouchpadExists() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  static bool init = false;
+  static bool exists = false;
+
+  if (init)
+    return exists;
+
+  init = true;
+  if (!TPCtrlExists())
+    return exists;
+
+  std::vector<std::string> argv;
+  argv.push_back(kTpControl);
+  argv.push_back("status");
+  std::string output;
+  // On devices with no touchpad, output is empty.
+  exists = base::GetAppOutput(CommandLine(argv), &output) && !output.empty();
+  return exists;
+}
+
+void SetSensitivity(int value) {
+  // Run this on the FILE thread.
+  if (!BrowserThread::CurrentlyOn(BrowserThread::FILE)) {
+    BrowserThread::PostTask(
+        BrowserThread::FILE, FROM_HERE,
+        base::Bind(&SetSensitivity, value));
+    return;
+  }
+
+  std::vector<std::string> argv;
+  argv.push_back(kTpControl);
+  argv.push_back("sensitivity");
+  argv.push_back(StringPrintf("%d", value));
+
+  LaunchTpControl(argv);
+}
+
+void SetTapToClick(bool enabled) {
+  // Run this on the FILE thread.
+  if (!BrowserThread::CurrentlyOn(BrowserThread::FILE)) {
+    BrowserThread::PostTask(
+        BrowserThread::FILE, FROM_HERE,
+        base::Bind(&SetTapToClick, enabled));
+    return;
+  }
+
+  std::vector<std::string> argv;
+  argv.push_back(kTpControl);
+  argv.push_back("taptoclick");
+  argv.push_back(enabled ? "on" : "off");
+
+  LaunchTpControl(argv);
+}
+
+}  // namespace touchpad_settings
+
+namespace mouse_settings {
+
+void SetPrimaryButtonRight(bool right) {
+  // TODO(achuith, adlr): Call mouse_ctrl when it exists.
+}
+
+}  // namespace mouse_settings
+
+}  // namespace system
+}  // namespace chromeos