Dump touchpad event logs for touch log source

ui/events/ozone/evdev/libgestures_glue/gesture_property_provider.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/libgestures_glue/gesture_property_provider.h"
 
 #include <gestures/gestures.h>
 #include <libevdev/libevdev.h>
 
 #include <fnmatch.h>
 #include <stdint.h>
 #include <string.h>
 #include <algorithm>
 
 #include "base/containers/hash_tables.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
+#include "ui/events/ozone/evdev/libgestures_glue/gesture_feedback.h"
 #include "ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h"
 
 // Severity level for general info logging purpose.
 #define GPROP_LOG DVLOG
 #define INFO_SEVERITY 1
 
 // GesturesProp implementation.
 //
 // Check the header file for its definition.
 GesturesProp::GesturesProp(const std::string& name,
@@ skipping 514 matching lines @@
     TYPE_CASE(PT_STRING);
     TYPE_CASE(PT_REAL);
     default:
       NOTREACHED();
       break;
   }
 #undef TYPE_CASE
   return out << s;
 }
 
+// A relay function that dumps evdev log to a place that we have access to
+// (the default directory is inaccessible without X11).
+void DumpTouchEvdevDebugLog(void* data) {
+  Event_Dump_Debug_Log_To(data, ui::kTouchpadEvdevLogPath);
+}
+
 }  // namespace
 
 // GesturesProp logging function.
 std::ostream& operator<<(std::ostream& os, const GesturesProp& prop) {
   const GesturesProp* property = &prop;
 
   // Output the property content.
   os << "\"" << property->name() << "\", " << property->type() << ", "
      << property->count() << ", (" << property->IsAllocated() << ", "
      << property->IsReadOnly() << "), ";
@@ skipping 850 matching lines @@
                   Event_Get_Orientation_Minimum(device));
   CreateIntSingle(device_data,
                   "Orientation Maximum",
                   &properties->orientation_maximum,
                   Event_Get_Orientation_Maximum(device));
 
   // Log dump property. Will call Event_Dump_Debug_Log when its value is being
   // set.
   GesturesProp* dump_debug_log_prop = CreateBoolSingle(
       device_data, "Dump Debug Log", &properties->dump_debug_log, false);
-  RegisterHandlers(
-      device_data, dump_debug_log_prop, device, NULL, Event_Dump_Debug_Log);
+  RegisterHandlers(device_data, dump_debug_log_prop, device, NULL,
+                   DumpTouchEvdevDebugLog);
 
   // Whether to do the gesture recognition or just passing the multi-touch data
   // to upper layers.
   CreateBoolSingle(device_data,
                    "Raw Touch Passthrough",
                    &properties->raw_passthrough,
                    false);
   return true;
 }
 
@@ skipping 99 matching lines @@
 const GesturesPropProvider kGesturePropProvider = {
     GesturesPropFunctionsWrapper::CreateInt,
     GesturesPropFunctionsWrapper::CreateShort,
     GesturesPropFunctionsWrapper::CreateBool,
     GesturesPropFunctionsWrapper::CreateString,
     GesturesPropFunctionsWrapper::CreateReal,
     GesturesPropFunctionsWrapper::RegisterHandlers,
     GesturesPropFunctionsWrapper::Free};
 
 }  // namespace ui