content/common/input/input_event_disposition.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/common/input/input_event_disposition.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10
  11 InputEventDisposition ToDisposition(InputEventAckState ack_state,
  12                                     bool main_thread,
  13                                     bool prevent_default) {
  14   if (main_thread) {
  15     switch (ack_state) {
  16       case INPUT_EVENT_ACK_STATE_CONSUMED:
  17         return INPUT_EVENT_MAIN_THREAD_CONSUMED;
  18       case INPUT_EVENT_ACK_STATE_NOT_CONSUMED:
  19         return prevent_default ? INPUT_EVENT_MAIN_THREAD_PREVENT_DEFAULTED
  20                                : INPUT_EVENT_MAIN_THREAD_NOT_PREVENT_DEFAULTED;
  21       case INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS:
  22         return INPUT_EVENT_MAIN_THREAD_NO_CONSUMER_EXISTS;
  23       case INPUT_EVENT_ACK_STATE_UNKNOWN:
  24         return INPUT_EVENT_UNHANDLED;
  25     }
  26   } else {
  27     switch (ack_state) {
  28       case INPUT_EVENT_ACK_STATE_CONSUMED:
  29         return INPUT_EVENT_IMPL_THREAD_CONSUMED;
  30       case INPUT_EVENT_ACK_STATE_NOT_CONSUMED:
  31         return INPUT_EVENT_IMPL_THREAD_BOUNCE_TO_MAIN;
  32       case INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS:
  33         return INPUT_EVENT_IMPL_THREAD_NO_CONSUMER_EXISTS;
  34       case INPUT_EVENT_ACK_STATE_UNKNOWN:
  35         return INPUT_EVENT_UNHANDLED;
  36     }
  37   }
  38   NOTREACHED();
  39   return INPUT_EVENT_UNHANDLED;
  40 }
  41
  42 InputEventAckState ToAckState(InputEventDisposition disposition) {
  43   switch (disposition) {
  44     case INPUT_EVENT_UNHANDLED:
  45       return INPUT_EVENT_ACK_STATE_UNKNOWN;
  46     case INPUT_EVENT_IMPL_THREAD_CONSUMED:
  47       return INPUT_EVENT_ACK_STATE_CONSUMED;
  48     case INPUT_EVENT_IMPL_THREAD_NO_CONSUMER_EXISTS:
  49       return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
  50     case INPUT_EVENT_IMPL_THREAD_BOUNCE_TO_MAIN:
  51       return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
  52     case INPUT_EVENT_COULD_NOT_DELIVER:
  53       return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
  54     case INPUT_EVENT_MAIN_THREAD_CONSUMED:
  55       return INPUT_EVENT_ACK_STATE_CONSUMED;
  56     case INPUT_EVENT_MAIN_THREAD_PREVENT_DEFAULTED:
  57       return INPUT_EVENT_ACK_STATE_CONSUMED;
  58     case INPUT_EVENT_MAIN_THREAD_NOT_PREVENT_DEFAULTED:
  59       return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
  60     case INPUT_EVENT_MAIN_THREAD_NO_CONSUMER_EXISTS:
  61       return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
  62   }
  63   NOTREACHED();
  64   return INPUT_EVENT_ACK_STATE_UNKNOWN;
  65 }
  66
  67 }  // namespace content