105 lines
3.2 KiB
Kotlin
105 lines
3.2 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.fragment
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import android.annotation.SuppressLint
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.webkit.WebView
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import android.webkit.WebViewClient
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import org.mariotaku.twidere.util.support.WebSettingsSupport
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import org.mariotaku.twidere.util.webkit.DefaultWebViewClient
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@SuppressLint("SetJavaScriptEnabled")
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open class BaseWebViewFragment : BaseFragment() {
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private var internalWebView: WebView? = null
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private var webViewAvailable: Boolean = false
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override fun onActivityCreated(savedInstanceState: Bundle?) {
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super.onActivityCreated(savedInstanceState)
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val view = webView!!
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view.webViewClient = createWebViewClient()
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view.settings.apply {
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builtInZoomControls = true
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javaScriptEnabled = true
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WebSettingsSupport.setAllowUniversalAccessFromFileURLs(this, true)
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}
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}
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protected fun createWebViewClient(): WebViewClient {
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return DefaultWebViewClient(requireActivity())
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}
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/**
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* Called to instantiate the view. Creates and returns the WebView.
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*/
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
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savedInstanceState: Bundle?): View? {
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internalWebView?.destroy()
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internalWebView = activity?.let { WebView(it) }
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webViewAvailable = true
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return internalWebView
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}
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/**
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* Called when the fragment is visible to the user and actively running. Resumes the WebView.
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*/
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override fun onPause() {
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super.onPause()
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internalWebView!!.onPause()
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}
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/**
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* Called when the fragment is no longer resumed. Pauses the WebView.
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*/
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override fun onResume() {
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internalWebView!!.onResume()
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super.onResume()
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}
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/**
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* Called when the WebView has been detached from the fragment.
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* The WebView is no longer available after this time.
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*/
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override fun onDestroyView() {
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webViewAvailable = false
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super.onDestroyView()
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}
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/**
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* Called when the fragment is no longer in use. Destroys the internal state of the WebView.
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*/
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override fun onDestroy() {
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internalWebView?.destroy()
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internalWebView = null
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super.onDestroy()
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}
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/**
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* Gets the WebView.
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*/
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val webView: WebView?
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get() = if (webViewAvailable) internalWebView else null
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}
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