84 lines
2.7 KiB
Kotlin
84 lines
2.7 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.library.downloads
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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 androidx.core.view.isVisible
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.SimpleItemAnimator
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import kotlinx.android.synthetic.main.component_downloads.*
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import kotlinx.android.synthetic.main.component_downloads.view.*
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import mozilla.components.support.base.feature.UserInteractionHandler
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import org.mozilla.fenix.R
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import org.mozilla.fenix.library.LibraryPageView
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import org.mozilla.fenix.library.SelectionInteractor
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/**
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* Interface for the DownloadViewInteractor. This interface is implemented by objects that want
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* to respond to user interaction on the DownloadView
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*/
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interface DownloadViewInteractor : SelectionInteractor<DownloadItem> {
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/**
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* Called on backpressed to exit edit mode
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*/
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fun onBackPressed(): Boolean
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}
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/**
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* View that contains and configures the Downloads List
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*/
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class DownloadView(
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container: ViewGroup,
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val interactor: DownloadInteractor
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) : LibraryPageView(container), UserInteractionHandler {
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val view: View = LayoutInflater.from(container.context)
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.inflate(R.layout.component_downloads, container, true)
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var mode: DownloadFragmentState.Mode = DownloadFragmentState.Mode.Normal
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private set
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val downloadAdapter = DownloadAdapter(interactor)
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private val layoutManager = LinearLayoutManager(container.context)
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init {
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view.download_list.apply {
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layoutManager = this@DownloadView.layoutManager
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adapter = downloadAdapter
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(itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
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}
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}
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fun update(state: DownloadFragmentState) {
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view.swipe_refresh.isEnabled = false
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mode = state.mode
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updateEmptyState(state.items.isNotEmpty())
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downloadAdapter.updateMode(state.mode)
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downloadAdapter.updateDownloads(state.items)
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setUiForNormalMode(
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context.getString(R.string.library_downloads)
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)
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}
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fun updateEmptyState(userHasDownloads: Boolean) {
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download_list.isVisible = userHasDownloads
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download_empty_view.isVisible = !userHasDownloads
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if (!userHasDownloads) {
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download_empty_view.announceForAccessibility(context.getString(R.string.download_empty_message))
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}
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}
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override fun onBackPressed(): Boolean {
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return interactor.onBackPressed()
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}
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}
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