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package com.pitchedapps.frost.web
import android.annotation.SuppressLint
import android.content.Context
import android.util.AttributeSet
import android.view.View
import android.webkit.*
import ca.allanwang.kau.utils.fadeIn
import ca.allanwang.kau.utils.isVisible
import com.pitchedapps.frost.dbflow.CookieModel
import com.pitchedapps.frost.facebook.FACEBOOK_COM
import com.pitchedapps.frost.facebook.FB_URL_BASE
import com.pitchedapps.frost.facebook.FbCookie
import com.pitchedapps.frost.injectors.CssHider
import com.pitchedapps.frost.injectors.jsInject
import com.pitchedapps.frost.utils.L
import com.pitchedapps.frost.utils.Prefs
import com.pitchedapps.frost.utils.isFacebookUrl
import org.jetbrains.anko.doAsync
import org.jetbrains.anko.uiThread
/**
* Created by Allan Wang on 2017-05-29.
*/
class LoginWebView @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : WebView(context, attrs, defStyleAttr) {
companion object {
const val LOGIN_URL = "${FB_URL_BASE}login"
private val userMatcher: Regex = Regex("c_user=([0-9]*);")
}
private lateinit var loginCallback: (CookieModel) -> Unit
private lateinit var progressCallback: (Int) -> Unit
init {
FbCookie.reset { setupWebview() }
}
@SuppressLint("SetJavaScriptEnabled")
fun setupWebview() {
settings.javaScriptEnabled = true
setLayerType(View.LAYER_TYPE_HARDWARE, null)
webViewClient = LoginClient()
webChromeClient = LoginChromeClient()
}
fun loadLogin(progressCallback: (Int) -> Unit, loginCallback: (CookieModel) -> Unit) {
this.progressCallback = progressCallback
this.loginCallback = loginCallback
loadUrl(LOGIN_URL)
}
private inner class LoginClient : BaseWebViewClient() {
override fun onPageFinished(view: WebView, url: String?) {
super.onPageFinished(view, url)
checkForLogin(url) { id, cookie -> loginCallback(CookieModel(id, "", cookie)) }
if (url.isFacebookUrl)
view.jsInject(CssHider.HEADER,
CssHider.CORE,
Prefs.themeInjector,
callback = { if (!view.isVisible) view.fadeIn(offset = WEB_LOAD_DELAY) })
else if (!view.isVisible) view.fadeIn()
}
fun checkForLogin(url: String?, onFound: (id: Long, cookie: String) -> Unit) {
doAsync {
if (!url.isFacebookUrl) return@doAsync
val cookie = CookieManager.getInstance().getCookie(url) ?: return@doAsync
L.d("Checking cookie for login", cookie)
val id = userMatcher.find(cookie)?.groups?.get(1)?.value?.toLong() ?: return@doAsync
uiThread { onFound(id, cookie) }
}
}
override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
//For now, we will ignore all attempts to launch external apps during login
if (request.url == null || request.url.scheme == "intent" || request.url.scheme == "android-app")
return true
return super.shouldOverrideUrlLoading(view, request)
}
}
inner class LoginChromeClient : WebChromeClient() {
override fun onConsoleMessage(consoleMessage: ConsoleMessage): Boolean {
L.d("Login Console ${consoleMessage.lineNumber()}: ${consoleMessage.message()}")
return true
}
override fun onProgressChanged(view: WebView, newProgress: Int) {
super.onProgressChanged(view, newProgress)
progressCallback(newProgress)
}
}
}
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