ebiten/internal/web/js.go

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// 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 (
"runtime"
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"strings"
"syscall/js"
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)
func IsBrowser() bool {
return true
}
func IsGopherJS() bool {
return IsBrowser() && runtime.GOOS != "js"
}
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var (
userAgent = js.Global().Get("navigator").Get("userAgent").String()
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isIOSSafari bool
isAndroidChrome bool
)
func init() {
isIOSSafari = strings.Contains(userAgent, "iPhone") || strings.Contains(userAgent, "iPad")
isAndroidChrome = strings.Contains(userAgent, "Android") && strings.Contains(userAgent, "Chrome")
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}
func IsIOSSafari() bool {
return isIOSSafari
}
func IsAndroidChrome() bool {
return isAndroidChrome
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}
func IsMobileBrowser() bool {
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return IsIOSSafari() || IsAndroidChrome()
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}