Rename MaximizeMode to TabletMode

ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard_x11.cc

-// Copyright 2014 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 "ash/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard_x11.h"
-
-#include <X11/extensions/XInput2.h>
-#include <X11/Xlib.h>
-
-#include <memory>
-#include <set>
-#include <utility>
-
-#include "ash/display/window_tree_host_manager.h"
-#include "ash/shell.h"
-#include "base/strings/string_util.h"
-#include "ui/aura/client/cursor_client.h"
-#include "ui/aura/client/screen_position_client.h"
-#include "ui/aura/env.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/aura/window_tree_host.h"
-#include "ui/events/devices/input_device.h"
-#include "ui/events/devices/x11/device_data_manager_x11.h"
-#include "ui/events/devices/x11/device_list_cache_x11.h"
-#include "ui/events/event.h"
-#include "ui/events/event_utils.h"
-#include "ui/events/keycodes/keyboard_codes_posix.h"
-#include "ui/events/platform/platform_event_source.h"
-#include "ui/gfx/x/x11_types.h"
-
-namespace ash {
-
-namespace {
-
-// The name of the xinput device corresponding to the internal touchpad.
-const char kInternalTouchpadName[] = "Elan Touchpad";
-
-// Repeated key events have their source set to the core keyboard device.
-// These must be disabled also until http://crbug.com/402898 is resolved.
-const char kCoreKeyboardName[] = "Virtual core keyboard";
-
-// Device id used to indicate that a device has not been detected.
-const int kDeviceIdNone = -1;
-
-gfx::Point GetMouseLocationInScreen() {
-  return aura::Env::GetInstance()->last_mouse_location();
-}
-
-void SetMouseLocationInScreen(const gfx::Point& screen_location) {
-  const display::Display& display =
-      Shell::Get()->display_manager()->FindDisplayContainingPoint(
-          screen_location);
-  if (!display.is_valid())
-    return;
-  aura::Window* root_window =
-      Shell::Get()->window_tree_host_manager()->GetRootWindowForDisplayId(
-          display.id());
-  gfx::Point host_location(screen_location);
-  aura::client::ScreenPositionClient* client =
-      aura::client::GetScreenPositionClient(root_window);
-  if (client)
-    client->ConvertPointFromScreen(root_window, &host_location);
-  root_window->GetHost()->MoveCursorToLocationInDIP(host_location);
-}
-
-}  // namespace
-
-ScopedDisableInternalMouseAndKeyboardX11::
-    ScopedDisableInternalMouseAndKeyboardX11()
-    : touchpad_device_id_(kDeviceIdNone),
-      keyboard_device_id_(kDeviceIdNone),
-      core_keyboard_device_id_(kDeviceIdNone),
-      last_mouse_location_(GetMouseLocationInScreen()) {
-  ui::DeviceDataManagerX11* device_data_manager =
-      ui::DeviceDataManagerX11::GetInstance();
-  if (device_data_manager->IsXInput2Available()) {
-    const XIDeviceList& xi_dev_list =
-        ui::DeviceListCacheX11::GetInstance()->GetXI2DeviceList(
-            gfx::GetXDisplay());
-    for (int i = 0; i < xi_dev_list.count; ++i) {
-      std::string device_name(xi_dev_list[i].name);
-      base::TrimWhitespaceASCII(device_name, base::TRIM_TRAILING, &device_name);
-      if (device_name == kInternalTouchpadName) {
-        if (device_data_manager->IsDeviceEnabled(xi_dev_list[i].deviceid)) {
-          // If the touchpad is already disabled we will do nothing about it.
-          // This will result in doing nothing in the destructor as well since
-          // |touchpad_device_id_| will remain |kDeviceIdNone|.
-          touchpad_device_id_ = xi_dev_list[i].deviceid;
-          device_data_manager->DisableDevice(touchpad_device_id_);
-          Shell::Get()->cursor_manager()->HideCursor();
-        }
-      } else if (device_name == kCoreKeyboardName) {
-        core_keyboard_device_id_ = xi_dev_list[i].deviceid;
-        device_data_manager->DisableDevice(core_keyboard_device_id_);
-      }
-    }
-
-    for (const ui::InputDevice& device :
-         device_data_manager->GetKeyboardDevices()) {
-      if (device.type == ui::InputDeviceType::INPUT_DEVICE_INTERNAL) {
-        keyboard_device_id_ = device.id;
-        device_data_manager->DisableDevice(keyboard_device_id_);
-        break;
-      }
-    }
-  }
-  // Allow the accessible keys present on the side of some devices to continue
-  // working.
-  std::unique_ptr<std::set<ui::KeyboardCode>> excepted_keys(
-      new std::set<ui::KeyboardCode>);
-  excepted_keys->insert(ui::VKEY_VOLUME_DOWN);
-  excepted_keys->insert(ui::VKEY_VOLUME_UP);
-  excepted_keys->insert(ui::VKEY_POWER);
-  device_data_manager->SetDisabledKeyboardAllowedKeys(std::move(excepted_keys));
-  ui::PlatformEventSource::GetInstance()->AddPlatformEventObserver(this);
-}
-
-ScopedDisableInternalMouseAndKeyboardX11::
-    ~ScopedDisableInternalMouseAndKeyboardX11() {
-  ui::DeviceDataManagerX11* device_data_manager =
-      static_cast<ui::DeviceDataManagerX11*>(
-          ui::DeviceDataManager::GetInstance());
-  if (touchpad_device_id_ != kDeviceIdNone) {
-    device_data_manager->EnableDevice(touchpad_device_id_);
-    Shell::Get()->cursor_manager()->ShowCursor();
-  }
-  if (keyboard_device_id_ != kDeviceIdNone)
-    device_data_manager->EnableDevice(keyboard_device_id_);
-  if (core_keyboard_device_id_ != kDeviceIdNone)
-    device_data_manager->EnableDevice(core_keyboard_device_id_);
-  device_data_manager->SetDisabledKeyboardAllowedKeys(
-      std::unique_ptr<std::set<ui::KeyboardCode>>());
-  ui::PlatformEventSource::GetInstance()->RemovePlatformEventObserver(this);
-}
-
-void ScopedDisableInternalMouseAndKeyboardX11::WillProcessEvent(
-    const ui::PlatformEvent& event) {}
-
-void ScopedDisableInternalMouseAndKeyboardX11::DidProcessEvent(
-    const ui::PlatformEvent& event) {
-  if (event->type != GenericEvent)
-    return;
-  XIDeviceEvent* xievent = static_cast<XIDeviceEvent*>(event->xcookie.data);
-  ui::DeviceDataManagerX11* device_data_manager =
-      static_cast<ui::DeviceDataManagerX11*>(
-          ui::DeviceDataManager::GetInstance());
-  if (xievent->evtype != XI_Motion ||
-      device_data_manager->IsFlingEvent(*event) ||
-      device_data_manager->IsScrollEvent(*event) ||
-      device_data_manager->IsCMTMetricsEvent(*event)) {
-    return;
-  }
-  if (xievent->sourceid == touchpad_device_id_) {
-    // The cursor will have already moved even though the move event will be
-    // blocked. Move the mouse cursor back to its last known location resulting
-    // from an external mouse to prevent the internal touchpad from moving it.
-    SetMouseLocationInScreen(last_mouse_location_);
-  } else {
-    // Track the last location seen from an external mouse event.
-    last_mouse_location_ = GetMouseLocationInScreen();
-  }
-}
-
-}  // namespace ash