Initial commit
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MM20
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<manifest package="de.mm20.launcher2.search" />
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package de.mm20.launcher2.search
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import kotlinx.coroutines.*
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import kotlin.coroutines.CoroutineContext
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import kotlin.coroutines.EmptyCoroutineContext
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abstract class BaseSearchableRepository {
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private val scope = CoroutineScope(Job() + Dispatchers.Main)
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private val searchQuery = SearchRepository.getInstance().currentQuery
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init {
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searchQuery.observeForever {
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onQueryChange(it)
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}
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}
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protected open fun onCancel() {
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}
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protected fun launch(
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context: CoroutineContext = EmptyCoroutineContext,
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start: CoroutineStart = CoroutineStart.DEFAULT,
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block: suspend CoroutineScope.() -> Unit
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) {
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scope.launch(context, start, block)
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}
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private var searchJob: Job? = null
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private fun onQueryChange(query: String) {
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scope.launch {
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onCancel()
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searchJob?.takeIf { !it.isCompleted || !it.isCancelled }?.cancelAndJoin()
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searchJob = scope.launch {
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SearchRepository.getInstance().startSearch()
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search(query)
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}.also {
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it.invokeOnCompletion { SearchRepository.getInstance().endSearch() }
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}
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}
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}
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/**
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* Called when the query string changes. This method should change the current data presented
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* by this SearchableRepository.
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*/
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protected abstract suspend fun search(query: String)
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}
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package de.mm20.launcher2.search
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import androidx.lifecycle.MutableLiveData
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class SearchRepository private constructor() {
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val isSearching = MutableLiveData<Boolean>(false)
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val currentQuery = MutableLiveData<String>()
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private var runningSearches = 0
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set(value) {
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synchronized(runningSearches) {
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field = value
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isSearching.value = value > 0
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}
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}
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@Synchronized
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fun startSearch() {
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synchronized(runningSearches) {
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runningSearches++
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}
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}
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fun endSearch() {
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synchronized(runningSearches) {
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runningSearches--
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}
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}
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companion object {
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private lateinit var instance: SearchRepository
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fun getInstance(): SearchRepository {
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if (!::instance.isInitialized) instance = SearchRepository()
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return instance
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}
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}
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}
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package de.mm20.launcher2.search
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import android.app.Application
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import androidx.lifecycle.AndroidViewModel
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import androidx.lifecycle.LiveData
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class SearchViewModel(app: Application) : AndroidViewModel(app) {
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private val repository = SearchRepository.getInstance()
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val isSearching: LiveData<Boolean> = repository.isSearching
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fun search(query: String) {
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repository.currentQuery.value = query
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}
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}
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package de.mm20.launcher2.search
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import android.content.Context
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import android.content.Intent
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import android.graphics.Color
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import androidx.lifecycle.MediatorLiveData
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import androidx.lifecycle.MutableLiveData
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import de.mm20.launcher2.database.AppDatabase
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import de.mm20.launcher2.search.data.Websearch
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.withContext
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class WebsearchRepository private constructor(val context: Context) : BaseSearchableRepository() {
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val websearches = MutableLiveData<List<Websearch>>(emptyList())
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val allWebsearches = MediatorLiveData<List<Websearch>>()
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init {
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val databaseWebsearches = AppDatabase.getInstance(context).searchDao().getWebSearchesLiveData()
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allWebsearches.addSource(databaseWebsearches) {
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allWebsearches.value = it.map { Websearch(it) }
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}
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}
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override suspend fun search(query: String) {
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if (query.isEmpty()) {
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websearches.value = emptyList()
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return
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}
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val searches = withContext(Dispatchers.IO) {
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AppDatabase.getInstance(context).searchDao().getWebSearches().map {
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Websearch(it, query)
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}
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}
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websearches.value = searches
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}
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fun insertWebsearch(websearch: Websearch) {
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launch {
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withContext(Dispatchers.IO) {
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AppDatabase.getInstance(context).searchDao().insertWebsearch(websearch.toDatabaseEntity())
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}
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}
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}
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fun deleteWebsearch(websearch: Websearch) {
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launch {
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withContext(Dispatchers.IO) {
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AppDatabase.getInstance(context).searchDao().deleteWebsearch(websearch.toDatabaseEntity())
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}
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}
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}
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companion object {
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private lateinit var instance: WebsearchRepository
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fun getInstance(context: Context): WebsearchRepository {
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if (!::instance.isInitialized) instance = WebsearchRepository(context.applicationContext)
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return instance
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}
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}
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}
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package de.mm20.launcher2.search
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import android.app.Application
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import androidx.lifecycle.AndroidViewModel
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import de.mm20.launcher2.search.data.Websearch
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class WebsearchViewModel(app:Application): AndroidViewModel(app) {
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private val repository = WebsearchRepository.getInstance(app)
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fun insertWebsearch(websearch: Websearch) {
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return repository.insertWebsearch(websearch)
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}
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fun deleteWebsearch(websearch: Websearch) {
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repository.deleteWebsearch(websearch)
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}
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val websearches = repository.websearches
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val allWebsearches = repository.allWebsearches
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}
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package de.mm20.launcher2.search.data
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import android.content.ActivityNotFoundException
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import android.content.Context
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import android.content.Intent
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import android.os.Bundle
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import android.widget.Toast
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import de.mm20.launcher2.icons.LauncherIcon
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import de.mm20.launcher2.search.R
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import java.text.Collator
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abstract class Searchable : Comparable<Searchable> {
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abstract val key: String
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abstract val label: String
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open val badgeKey
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get() = key
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open fun serialize(): String = ""
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open fun getLaunchIntent(context: Context): Intent? = null
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open fun launch(context: Context, options: Bundle?): Boolean {
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val intent = getLaunchIntent(context) ?: return false
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return try {
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context.startActivity(intent, options)
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true
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} catch (e: ActivityNotFoundException) {
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Toast.makeText(context, context.getString(R.string.activity_not_found_searchable, label), Toast.LENGTH_SHORT).show()
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false
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}
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}
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open suspend fun loadIconAsync(context: Context, size: Int): LauncherIcon? = null
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abstract fun getPlaceholderIcon(context: Context): LauncherIcon
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override fun compareTo(other: Searchable): Int {
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return Collator.getInstance().apply { strength = Collator.SECONDARY }.compare(label, other.label)
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}
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override fun equals(other: Any?): Boolean {
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return if (other is Searchable) key == other.key
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else super.equals(other)
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}
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override fun hashCode(): Int {
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var result = key.hashCode()
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result = 31 * result + label.hashCode()
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return result
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}
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override fun toString(): String {
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return "$label ($key)"
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}
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}
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@@ -0,0 +1,45 @@
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package de.mm20.launcher2.search.data
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import android.content.Intent
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import android.net.Uri
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import de.mm20.launcher2.database.entities.WebsearchEntity
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import java.net.URLEncoder
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class Websearch(
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var urlTemplate: String,
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var label: String,
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var color: Int,
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var icon: String?,
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var id: Long? = null,
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val query: String? = null
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) {
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constructor(entity: WebsearchEntity, query: String? = null) : this(
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urlTemplate = entity.urlTemplate,
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label = entity.label,
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icon = entity.icon,
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color = entity.color,
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id = entity.id,
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query = query
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)
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fun toDatabaseEntity(): WebsearchEntity {
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return WebsearchEntity(
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urlTemplate = urlTemplate,
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color = color,
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icon = icon,
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label = label,
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id = id
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)
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}
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fun getLaunchIntent(): Intent? {
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if(query == null) return null
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val intent = Intent(Intent.ACTION_VIEW)
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intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
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val encodedQuery = URLEncoder.encode(query, "utf8")
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val url = urlTemplate.replace("\${1}", encodedQuery)
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intent.data = Uri.parse(url)
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return intent
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}
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}
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