ozone: evdev: Add gesture property provider

ui/events/ozone/evdev/event_factory_evdev.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 "ui/events/ozone/evdev/event_factory_evdev.h"
 
 #include <fcntl.h>
 #include <linux/input.h>
 
 #include "base/debug/trace_event.h"
 #include "base/stl_util.h"
 #include "base/task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/worker_pool.h"
 #include "ui/events/device_data_manager.h"
 #include "ui/events/ozone/device/device_event.h"
 #include "ui/events/ozone/device/device_manager.h"
 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
 #include "ui/events/ozone/evdev/event_device_info.h"
 #include "ui/events/ozone/evdev/key_event_converter_evdev.h"
 #include "ui/events/ozone/evdev/touch_event_converter_evdev.h"
 
 #if defined(USE_EVDEV_GESTURES)
 #include "ui/events/ozone/evdev/libgestures_glue/event_reader_libevdev_cros.h"
 #include "ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h"
+#include "ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.h"
 #endif
 
 #ifndef EVIOCSCLOCKID
 #define EVIOCSCLOCKID  _IOW('E', 0xa0, int)
 #endif
 
 namespace ui {
 
 namespace {
 
 typedef base::Callback<void(scoped_ptr<EventConverterEvdev>)>
     OpenInputDeviceReplyCallback;
 
 struct OpenInputDeviceParams {
   // Unique identifier for the new device.
   int id;
 
   // Device path to open.
   base::FilePath path;
 
   // Callback for dispatching events. Call on UI thread only.
   EventDispatchCallback dispatch_callback;
 
   // State shared between devices. Must not be dereferenced on worker thread.
   EventModifiersEvdev* modifiers;
   CursorDelegateEvdev* cursor;
+  GesturePropertyProvider* gesture_property_provider;
 };
 
 #if defined(USE_EVDEV_GESTURES)
 bool UseGesturesLibraryForDevice(const EventDeviceInfo& devinfo) {
   if (devinfo.HasAbsXY() && !devinfo.IsMappedToScreen())
     return true;  // touchpad
 
   if (devinfo.HasRelXY())
     return true;  // mouse
 
   return false;
 }
 #endif
 
 scoped_ptr<EventConverterEvdev> CreateConverter(
     const OpenInputDeviceParams& params,
     int fd,
     const EventDeviceInfo& devinfo) {
 #if defined(USE_EVDEV_GESTURES)
   // Touchpad or mouse: use gestures library.
   // EventReaderLibevdevCros -> GestureInterpreterLibevdevCros -> DispatchEvent
   if (UseGesturesLibraryForDevice(devinfo)) {
-    scoped_ptr<GestureInterpreterLibevdevCros> gesture_interp =
-        make_scoped_ptr(new GestureInterpreterLibevdevCros(
-            params.modifiers, params.cursor, params.dispatch_callback));
+    scoped_ptr<GestureInterpreterLibevdevCros> gesture_interp = make_scoped_ptr(
+        new GestureInterpreterLibevdevCros(params.id,
+                                           params.modifiers,
+                                           params.cursor,
+                                           params.gesture_property_provider,
+                                           params.dispatch_callback));
     return make_scoped_ptr(new EventReaderLibevdevCros(
         fd, params.path, params.id, gesture_interp.Pass()));
   }
 #endif
 
   // Touchscreen: use TouchEventConverterEvdev.
   scoped_ptr<EventConverterEvdev> converter;
   if (devinfo.HasAbsXY())
     return make_scoped_ptr<EventConverterEvdev>(new TouchEventConverterEvdev(
         fd, params.path, params.id, devinfo, params.dispatch_callback));
@@ skipping 53 matching lines @@
   converter.reset();
 }
 
 }  // namespace
 
 EventFactoryEvdev::EventFactoryEvdev(CursorDelegateEvdev* cursor,
                                      DeviceManager* device_manager)
     : last_device_id_(0),
       device_manager_(device_manager),
       cursor_(cursor),
+#if defined(USE_EVDEV_GESTURES)
+      gesture_property_provider_(new GesturePropertyProvider),
+#endif
       dispatch_callback_(
           base::Bind(base::IgnoreResult(&EventFactoryEvdev::DispatchUiEvent),
                      base::Unretained(this))),
       weak_ptr_factory_(this) {
   DCHECK(device_manager_);
 }
 
 EventFactoryEvdev::~EventFactoryEvdev() { STLDeleteValues(&converters_); }
 
 void EventFactoryEvdev::DispatchUiEvent(Event* event) {
@@ skipping 27 matching lines @@
     case DeviceEvent::ADD:
     case DeviceEvent::CHANGE: {
       TRACE_EVENT1("ozone", "OnDeviceAdded", "path", event.path().value());
 
       scoped_ptr<OpenInputDeviceParams> params(new OpenInputDeviceParams);
       params->id = NextDeviceId();
       params->path = event.path();
       params->dispatch_callback = dispatch_callback_;
       params->modifiers = &modifiers_;
       params->cursor = cursor_;
+      params->gesture_property_provider = gesture_property_provider_.get();
 
       OpenInputDeviceReplyCallback reply_callback =
           base::Bind(&EventFactoryEvdev::AttachInputDevice,
                      weak_ptr_factory_.GetWeakPtr());
 
       // Dispatch task to open from the worker pool, since open may block.
       base::WorkerPool::PostTask(FROM_HERE,
                                  base::Bind(&OpenInputDevice,
                                             base::Passed(&params),
                                             ui_task_runner_,
@@ skipping 72 matching lines @@
   }
 
   observer->OnTouchscreenDevicesUpdated(touchscreens);
 }
 
 int EventFactoryEvdev::NextDeviceId() {
   return ++last_device_id_;
 }
 
 }  // namespace ui