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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.permissioncontroller.safetycenter.ui
import android.os.Build.VERSION_CODES.TIRAMISU
import android.os.Bundle
import android.safetycenter.SafetyCenterErrorDetails
import android.widget.Toast
import androidx.annotation.RequiresApi
import androidx.lifecycle.ViewModelProvider
import androidx.preference.PreferenceFragmentCompat
import androidx.preference.PreferenceScreen
import androidx.recyclerview.widget.RecyclerView
import com.android.permissioncontroller.Constants.EXTRA_SESSION_ID
import com.android.permissioncontroller.Constants.INVALID_SESSION_ID
import com.android.permissioncontroller.safetycenter.SafetyCenterConstants.QUICK_SETTINGS_SAFETY_CENTER_FRAGMENT
import com.android.permissioncontroller.safetycenter.ui.ParsedSafetyCenterIntent.Companion.toSafetyCenterIntent
import com.android.permissioncontroller.safetycenter.ui.model.LiveSafetyCenterViewModelFactory
import com.android.permissioncontroller.safetycenter.ui.model.SafetyCenterUiData
import com.android.permissioncontroller.safetycenter.ui.model.SafetyCenterViewModel
import com.android.safetycenter.resources.SafetyCenterResourcesContext
/** A base fragment that represents a page in Safety Center. */
@RequiresApi(TIRAMISU)
abstract class SafetyCenterFragment : PreferenceFragmentCompat() {
lateinit var safetyCenterViewModel: SafetyCenterViewModel
lateinit var sameTaskSourceIds: List<String>
lateinit var collapsableIssuesCardHelper: CollapsableIssuesCardHelper
var safetyCenterSessionId = INVALID_SESSION_ID
private val highlightManager = PreferenceHighlightManager(this)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
highlightManager.restoreState(savedInstanceState)
}
override fun onCreateAdapter(
preferenceScreen: PreferenceScreen?
): RecyclerView.Adapter<RecyclerView.ViewHolder> {
/* The scroll-to-result functionality for settings search is currently implemented only for
* subpages i.e. non expand-and-collapse type entries. Hence, we check that the flag is
* enabled before using an adapter that does the highlighting and scrolling. */
val adapter: RecyclerView.Adapter<RecyclerView.ViewHolder> =
if (SafetyCenterUiFlags.getShowSubpages()) {
highlightManager.createAdapter(preferenceScreen)
} else {
super.onCreateAdapter(preferenceScreen)
}
/* By default, the PreferenceGroupAdapter does setHasStableIds(true). Since each Preference
* is internally allocated with an auto-incremented ID, it does not allow us to gracefully
* update only changed preferences based on SafetyPreferenceComparisonCallback. In order to
* allow the list to track the changes, we need to ignore the Preference IDs. */
adapter.setHasStableIds(false)
return adapter
}
override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
sameTaskSourceIds =
SafetyCenterResourcesContext(requireContext())
.getStringByName("config_same_task_safety_source_ids")
.split(",")
safetyCenterSessionId = requireArguments().getLong(EXTRA_SESSION_ID, INVALID_SESSION_ID)
safetyCenterViewModel =
ViewModelProvider(
requireActivity(),
LiveSafetyCenterViewModelFactory(requireActivity().getApplication())
)
.get(SafetyCenterViewModel::class.java)
safetyCenterViewModel.safetyCenterUiLiveData.observe(this) { uiData: SafetyCenterUiData? ->
renderSafetyCenterData(uiData)
}
safetyCenterViewModel.errorLiveData.observe(this) { errorDetails: SafetyCenterErrorDetails?
->
displayErrorDetails(errorDetails)
}
val safetyCenterIntent: ParsedSafetyCenterIntent =
requireActivity().getIntent().toSafetyCenterIntent()
val isQsFragment =
getArguments()?.getBoolean(QUICK_SETTINGS_SAFETY_CENTER_FRAGMENT, false) ?: false
collapsableIssuesCardHelper =
CollapsableIssuesCardHelper(safetyCenterViewModel, sameTaskSourceIds)
collapsableIssuesCardHelper.apply {
setFocusedIssueKey(safetyCenterIntent.safetyCenterIssueKey)
// Set quick settings state first and allow restored state to override if necessary
setQuickSettingsState(isQsFragment, safetyCenterIntent.shouldExpandIssuesGroup)
restoreState(savedInstanceState)
}
getPreferenceManager().setPreferenceComparisonCallback(SafetyPreferenceComparisonCallback())
}
override fun onBindPreferences() {
super.onBindPreferences()
highlightManager.registerObserverIfNeeded()
}
override fun onUnbindPreferences() {
super.onUnbindPreferences()
highlightManager.unregisterObserverIfNeeded()
}
override fun onStart() {
super.onStart()
configureInteractionLogger()
safetyCenterViewModel.interactionLogger.record(Action.SAFETY_CENTER_VIEWED)
}
override fun onResume() {
super.onResume()
highlightManager.highlightPreferenceIfNeeded()
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
collapsableIssuesCardHelper.saveState(outState)
highlightManager.saveState(outState)
}
override fun onStop() {
super.onStop()
safetyCenterViewModel.interactionLogger.clearViewedIssues()
}
override fun onDestroy() {
super.onDestroy()
if (activity?.isChangingConfigurations == true) {
safetyCenterViewModel.changingConfigurations()
}
}
/**
* Insert preferences for whatever Safety Center data we currently have available.
*
* This should contain the groups and entries to render the basic page structure, even if no
* source has responded with data at this point.
*
* This should be called by subclasses in [onCreatePreferences] after they've pulled out the
* preferences they will modify in [renderSafetyCenterData].
*/
protected fun prerenderCurrentSafetyCenterData() =
renderSafetyCenterData(safetyCenterViewModel.getCurrentSafetyCenterDataAsUiData())
abstract fun renderSafetyCenterData(uiData: SafetyCenterUiData?)
abstract fun configureInteractionLogger()
private fun displayErrorDetails(errorDetails: SafetyCenterErrorDetails?) {
if (errorDetails == null) return
Toast.makeText(requireContext(), errorDetails.errorMessage, Toast.LENGTH_LONG).show()
safetyCenterViewModel.clearError()
}
}
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