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/*
* Copyright 2018 Allan Wang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.pitchedapps.frost.web
import android.annotation.SuppressLint
import android.content.Context
import android.graphics.Bitmap
import android.graphics.Color
import android.util.AttributeSet
import android.view.View
import android.webkit.WebView
import ca.allanwang.kau.utils.withAlpha
import com.pitchedapps.frost.enums.ThemeCategory
import com.pitchedapps.frost.facebook.USER_AGENT
import com.pitchedapps.frost.injectors.CssAsset
import com.pitchedapps.frost.injectors.CssHider
import com.pitchedapps.frost.injectors.ThemeProvider
import com.pitchedapps.frost.injectors.jsInject
import com.pitchedapps.frost.prefs.Prefs
import com.pitchedapps.frost.utils.L
import com.pitchedapps.frost.utils.createFreshFile
import com.pitchedapps.frost.utils.isFacebookUrl
import java.io.File
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject
/**
* Created by Allan Wang on 2018-01-05.
*
* A barebone webview with a refresh listener
*/
class DebugWebView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : WebView(context, attrs, defStyleAttr), KoinComponent {
private val prefs: Prefs by inject()
private val themeProvider: ThemeProvider by inject()
var onPageFinished: (String?) -> Unit = {}
init {
setupWebview()
}
@SuppressLint("SetJavaScriptEnabled")
private fun setupWebview() {
settings.javaScriptEnabled = true
settings.userAgentString = USER_AGENT
setLayerType(View.LAYER_TYPE_HARDWARE, null)
webViewClient = DebugClient()
@Suppress("DEPRECATION")
isDrawingCacheEnabled = true
}
/**
* Fetches a screenshot of the current webview, returning true if successful, false otherwise.
*/
suspend fun getScreenshot(output: File): Boolean = withContext(Dispatchers.IO) {
if (!output.createFreshFile()) {
L.e { "Failed to create ${output.absolutePath} for debug screenshot" }
return@withContext false
}
try {
output.outputStream().use {
@Suppress("DEPRECATION")
drawingCache.compress(Bitmap.CompressFormat.PNG, 100, it)
}
L.d { "Created screenshot at ${output.absolutePath}" }
true
} catch (e: Exception) {
L.e { "An error occurred ${e.message}" }
false
}
}
private inner class DebugClient : BaseWebViewClient() {
override fun onPageFinished(view: WebView, url: String?) {
super.onPageFinished(view, url)
onPageFinished(url)
}
private fun injectBackgroundColor() {
setBackgroundColor(
if (url.isFacebookUrl) themeProvider.bgColor.withAlpha(255)
else Color.WHITE
)
}
override fun onPageCommitVisible(view: WebView, url: String?) {
super.onPageCommitVisible(view, url)
injectBackgroundColor()
if (url.isFacebookUrl)
view.jsInject(
// CssHider.CORE,
CssHider.COMPOSER.maybe(!prefs.showComposer),
CssHider.STORIES.maybe(!prefs.showStories),
CssHider.PEOPLE_YOU_MAY_KNOW.maybe(!prefs.showSuggestedFriends),
CssHider.SUGGESTED_GROUPS.maybe(!prefs.showSuggestedGroups),
themeProvider.injector(ThemeCategory.FACEBOOK),
CssHider.NON_RECENT.maybe(
(url?.contains("?sk=h_chr") ?: false) &&
prefs.aggressiveRecents
),
CssAsset.FullSizeImage.maybe(prefs.fullSizeImage),
prefs = prefs
)
}
}
}
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