ozone: evdev: Add libgestures bindings for touchpad & mouse support

ui/events/ozone/evdev/touch_event_converter_evdev_unittest.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 <errno.h>
 #include <fcntl.h>
 #include <linux/input.h>
 #include <unistd.h>
 
 #include <vector>
@@ skipping 35 matching lines @@
 
   unsigned size() { return dispatched_events_.size(); }
   TouchEvent* event(unsigned index) { return dispatched_events_[index]; }
 
   // Actually dispatch the event reader code.
   void ReadNow() {
     OnFileCanReadWithoutBlocking(read_pipe_);
     base::RunLoop().RunUntilIdle();
   }
 
-  void DispatchCallback(void* event) {
+  void DispatchCallback(Event* event) {
     dispatched_events_.push_back(
         new TouchEvent(*static_cast<TouchEvent*>(event)));
   }
 
  private:
   int read_pipe_;
   int write_pipe_;
 
   ScopedVector<TouchEvent> dispatched_events_;
 
   DISALLOW_COPY_AND_ASSIGN(MockTouchEventConverterEvdev);
 };
 
 MockTouchEventConverterEvdev::MockTouchEventConverterEvdev(int fd,
                                                            base::FilePath path)
-    : TouchEventConverterEvdev(fd, path, EventDeviceInfo()) {
+    : TouchEventConverterEvdev(
+          fd,
+          path,
+          EventDeviceInfo(),
+          base::Bind(&MockTouchEventConverterEvdev::DispatchCallback,
+                     base::Unretained(this))) {
   pressure_min_ = 30;
   pressure_max_ = 60;
 
   // TODO(rjkroege): Check test axes.
   x_min_ = 0;
   x_max_ = std::numeric_limits<int>::max();
   y_min_ = 0;
   y_max_ = std::numeric_limits<int>::max();
 
   int fds[2];
@@ skipping 32 matching lines @@
     // Set up pipe to satisfy message pump (unused).
     int evdev_io[2];
     if (pipe(evdev_io))
       PLOG(FATAL) << "failed pipe";
     events_in_ = evdev_io[0];
     events_out_ = evdev_io[1];
 
     loop_ = new base::MessageLoopForUI;
     device_ = new ui::MockTouchEventConverterEvdev(
         events_in_, base::FilePath(kTestDevicePath));
-    device_->SetDispatchCallback(
-        base::Bind(&ui::MockTouchEventConverterEvdev::DispatchCallback,
-                   base::Unretained(device_)));
   }
 
   virtual void TearDown() OVERRIDE {
     delete device_;
     delete loop_;
   }
 
   ui::MockTouchEventConverterEvdev* device() { return device_; }
 
  private:
@@ skipping 272 matching lines @@
   ev1 = dev->event(8);
 
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ev1->type());
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev1->time_stamp());
   EXPECT_EQ(38, ev1->x());
   EXPECT_EQ(102, ev1->y());
   EXPECT_EQ(1, ev1->touch_id());
   EXPECT_FLOAT_EQ(.5f, ev1->force());
   EXPECT_FLOAT_EQ(0.f, ev1->rotation_angle());
 }