mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 21:32:20 +02:00
70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
// Copyright 2017 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build js
|
|
|
|
package web
|
|
|
|
import (
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/hajimehoshi/gopherwasm/js"
|
|
)
|
|
|
|
var (
|
|
isNodeJSOnce sync.Once
|
|
isNodeJS = false
|
|
)
|
|
|
|
func IsNodeJS() bool {
|
|
isNodeJSOnce.Do(func() {
|
|
isNodeJS = js.Global.Get("process") != js.Undefined
|
|
})
|
|
return isNodeJS
|
|
}
|
|
|
|
func IsBrowser() bool {
|
|
return !IsNodeJS()
|
|
}
|
|
|
|
func IsIOSSafari() bool {
|
|
if IsNodeJS() {
|
|
return false
|
|
}
|
|
ua := js.Global.Get("navigator").Get("userAgent").String()
|
|
if !strings.Contains(ua, "iPhone") {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func IsAndroidChrome() bool {
|
|
if IsNodeJS() {
|
|
return false
|
|
}
|
|
ua := js.Global.Get("navigator").Get("userAgent").String()
|
|
if !strings.Contains(ua, "Android") {
|
|
return false
|
|
}
|
|
if !strings.Contains(ua, "Chrome") {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func IsMobileBrowser() bool {
|
|
return IsIOSSafari() || IsAndroidChrome()
|
|
}
|