Updating Gamepad API to match latest spec

content/browser/gamepad/gamepad_platform_data_fetcher_linux.cc

 // Copyright (c) 2012 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 "content/browser/gamepad/gamepad_platform_data_fetcher_linux.h"
 
 #include <fcntl.h>
 #include <libudev.h>
 #include <linux/joystick.h>
 #include <string.h>
@@ skipping 173 matching lines @@
     std::string id = name_string + base::StringPrintf(
         " (%sVendor: %s Product: %s)",
         mapper ? "STANDARD GAMEPAD " : "",
         vendor_id,
         product_id);
     base::TruncateUTF8ToByteSize(id, WebGamepad::idLengthCap - 1, &id);
     base::string16 tmp16 = base::UTF8ToUTF16(id);
     memset(pad.id, 0, sizeof(pad.id));
     tmp16.copy(pad.id, arraysize(pad.id) - 1);
 
+    if (mapper) {
+      std::string mapping = "standard";
+      base::TruncateUTF8ToByteSize(mapping, WebGamepad::mappingLengthCap - 1,
+          &mapping);
+      tmp16 = base::UTF8ToUTF16(mapping);
+      memset(pad.mapping, 0, sizeof(pad.mapping));
+      tmp16.copy(pad.mapping, arraysize(pad.mapping) - 1);
+    } else {
+      pad.mapping[0] = 0;
+    }
+
     pad.connected = true;
   }
 }
 
 void GamepadPlatformDataFetcherLinux::EnumerateDevices() {
   udev_enumerate* enumerate = udev_enumerate_new(udev_->udev_handle());
   if (!enumerate)
     return;
   int ret = udev_enumerate_add_match_subsystem(enumerate, kInputSubsystem);
   if (ret != 0)
@@ skipping 35 matching lines @@
     size_t item = event.number;
     if (event.type & JS_EVENT_AXIS) {
       if (item >= WebGamepad::axesLengthCap)
         continue;
       pad.axes[item] = event.value / kMaxLinuxAxisValue;
       if (item >= pad.axesLength)
         pad.axesLength = item + 1;
     } else if (event.type & JS_EVENT_BUTTON) {
       if (item >= WebGamepad::buttonsLengthCap)
         continue;
-      pad.buttons[item] = event.value ? 1.0 : 0.0;
+      pad.buttons[item].pressed = event.value;
+      pad.buttons[item].value = event.value ? 1.0 : 0.0;
       if (item >= pad.buttonsLength)
         pad.buttonsLength = item + 1;
     }
     pad.timestamp = event.time;
   }
 }
 
 }  // namespace content