File: touch_device_android.cc

package info (click to toggle)
chromium-browser 41.0.2272.118-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 2,189,132 kB
  • sloc: cpp: 9,691,462; ansic: 3,341,451; python: 712,689; asm: 518,779; xml: 208,926; java: 169,820; sh: 119,353; perl: 68,907; makefile: 28,311; yacc: 13,305; objc: 11,385; tcl: 3,186; cs: 2,225; sql: 2,217; lex: 2,215; lisp: 1,349; pascal: 1,256; awk: 407; ruby: 155; sed: 53; php: 14; exp: 11
file content (63 lines) | stat: -rw-r--r-- 1,965 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// Copyright (c) 2013 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/base/touch/touch_device.h"

#include "base/logging.h"
#include "jni/TouchDevice_jni.h"

namespace ui {

bool IsTouchDevicePresent() {
  return true;
}

int MaxTouchPoints() {
  JNIEnv* env = base::android::AttachCurrentThread();
  jobject context = base::android::GetApplicationContext();
  jint max_touch_points = Java_TouchDevice_maxTouchPoints(env, context);
  return static_cast<int>(max_touch_points);
}

int GetAvailablePointerTypes() {
  JNIEnv* env = base::android::AttachCurrentThread();
  jobject context = base::android::GetApplicationContext();
  jint available_pointer_types =
      Java_TouchDevice_availablePointerTypes(env, context);
  return static_cast<int>(available_pointer_types);
}

PointerType GetPrimaryPointerType() {
  int available_pointer_types = GetAvailablePointerTypes();
  if (available_pointer_types & POINTER_TYPE_COARSE)
    return POINTER_TYPE_COARSE;
  if (available_pointer_types & POINTER_TYPE_FINE)
    return POINTER_TYPE_FINE;
  DCHECK_EQ(available_pointer_types, POINTER_TYPE_NONE);
  return POINTER_TYPE_NONE;
}

int GetAvailableHoverTypes() {
  JNIEnv* env = base::android::AttachCurrentThread();
  jobject context = base::android::GetApplicationContext();
  jint available_hover_types =
      Java_TouchDevice_availableHoverTypes(env, context);
  return static_cast<int>(available_hover_types);
}

HoverType GetPrimaryHoverType() {
  int available_hover_types = GetAvailableHoverTypes();
  if (available_hover_types & HOVER_TYPE_ON_DEMAND)
    return HOVER_TYPE_ON_DEMAND;
  if (available_hover_types & HOVER_TYPE_HOVER)
    return HOVER_TYPE_HOVER;
  DCHECK_EQ(available_hover_types, HOVER_TYPE_NONE);
  return HOVER_TYPE_NONE;
}

bool RegisterTouchDeviceAndroid(JNIEnv* env) {
  return RegisterNativesImpl(env);
}

}  // namespace ui