Updated log screen with new arch

app/src/main/java/com/topjohnwu/magisk/ui/log/LogFragment.java

@@ -1,45 +0,0 @@
-package com.topjohnwu.magisk.ui.log;
-
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.viewpager.widget.ViewPager;
-
-import com.google.android.material.tabs.TabLayout;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.TabFragmentAdapter;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-
-import butterknife.BindView;
-
-public class LogFragment extends BaseFragment {
-
-    @BindView(R.id.container) ViewPager viewPager;
-    @BindView(R.id.tab) TabLayout tab;
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        View v = inflater.inflate(R.layout.fragment_log, container, false);
-        unbinder = new LogFragment_ViewBinding(this, v);
-
-        /*if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            ((MainActivity) requireActivity()).toolbar.setElevation(0);
-        }*/
-
-        TabFragmentAdapter adapter = new TabFragmentAdapter(getChildFragmentManager());
-
-        adapter.addTab(new SuLogFragment(), getString(R.string.superuser));
-        adapter.addTab(new MagiskLogFragment(), getString(R.string.magisk));
-        tab.setupWithViewPager(viewPager);
-        tab.setVisibility(View.VISIBLE);
-
-        viewPager.setAdapter(adapter);
-
-        return v;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/log/LogFragment.kt

@@ -0,0 +1,53 @@
+package com.topjohnwu.magisk.ui.log
+
+
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentLogBinding
+import com.topjohnwu.magisk.model.events.PageChangedEvent
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class LogFragment : MagiskFragment<LogViewModel, FragmentLogBinding>() {
+
+    override val layoutRes: Int = R.layout.fragment_log
+    override val viewModel: LogViewModel by viewModel()
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is PageChangedEvent -> magiskActivity.invalidateOptionsMenu()
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.logTabs.setupWithViewPager(binding.logContainer, true)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        magiskActivity.setTitle(R.string.log)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.menu_log, menu)
+        menu.findItem(R.id.menu_save).isVisible = viewModel.currentPage.value == 1
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_save -> viewModel.saveLog()
+            R.id.menu_clear -> viewModel.clearLog()
+            R.id.menu_refresh -> viewModel.refresh()
+        }
+        return true
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/log/LogViewModel.kt

@@ -0,0 +1,122 @@
+package com.topjohnwu.magisk.ui.log
+
+import android.content.res.Resources
+import androidx.databinding.ObservableArrayList
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.doOnSuccessUi
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.skoumal.teanity.viewevents.SnackbarEvent
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.model.entity.recycler.*
+import com.topjohnwu.magisk.model.events.PageChangedEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.magisk.utils.zip
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+import me.tatarka.bindingcollectionadapter2.BindingViewPagerAdapter
+import me.tatarka.bindingcollectionadapter2.OnItemBind
+import java.io.File
+import java.io.IOException
+import java.util.*
+
+class LogViewModel(
+    private val resources: Resources,
+    private val database: MagiskDB
+) : MagiskViewModel(), BindingViewPagerAdapter.PageTitles<ComparableRvItem<*>> {
+
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = OnItemBind<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@LogViewModel)
+    }
+    val currentPage = KObservableField(0)
+    private val currentItem get() = items[currentPage.value]
+
+    private val logItem get() = items[0] as LogRvItem
+    private val magiskLogItem get() = items[1] as MagiskLogRvItem
+
+    init {
+        currentPage.addOnPropertyChangedCallback {
+            it ?: return@addOnPropertyChangedCallback
+            PageChangedEvent().publish()
+        }
+
+        items.addAll(listOf(LogRvItem(), MagiskLogRvItem()))
+        refresh()
+    }
+
+    override fun getPageTitle(position: Int, item: ComparableRvItem<*>?) = when (item) {
+        is LogRvItem -> resources.getString(R.string.superuser)
+        is MagiskLogRvItem -> resources.getString(R.string.magisk)
+        else -> ""
+    }
+
+    fun refresh() = zip(updateLogs(), updateMagiskLog()) { _, _ -> true }
+        .subscribeK()
+        .add()
+
+    fun saveLog() {
+        val now = Calendar.getInstance()
+        val filename = "magisk_log_%04d%02d%02d_%02d%02d%02d.log".format(
+            now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
+            now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
+            now.get(Calendar.MINUTE), now.get(Calendar.SECOND)
+        )
+
+        val logFile = File(Const.EXTERNAL_PATH, filename)
+        try {
+            logFile.createNewFile()
+        } catch (e: IOException) {
+            return
+        }
+
+        Shell.su("cat ${Const.MAGISK_LOG} > $logFile").submit {
+            SnackbarEvent(logFile.path).publish()
+        }
+    }
+
+    fun clearLog() = when (currentItem) {
+        is LogRvItem -> clearLogs { refresh() }
+        is MagiskLogRvItem -> clearMagiskLogs { refresh() }
+        else -> Unit
+    }
+
+    private fun clearLogs(callback: () -> Unit) {
+        Single.fromCallable { database.clearLogs() }
+            .subscribeK {
+                SnackbarEvent(R.string.logs_cleared).publish()
+                callback()
+            }
+            .add()
+    }
+
+    private fun clearMagiskLogs(callback: () -> Unit) {
+        Shell.su("echo -n > " + Const.MAGISK_LOG).submit {
+            SnackbarEvent(R.string.logs_cleared).publish()
+            callback()
+        }
+    }
+
+    private fun updateLogs() = Single.fromCallable { database.logs }
+        .flattenAsFlowable { it }
+        .map { it.map { LogItemEntryRvItem(it) } }
+        .map { LogItemRvItem(ObservableArrayList<ComparableRvItem<*>>().apply { addAll(it) }) }
+        .toList()
+        .doOnSuccessUi { logItem.update(it) }
+
+    private fun updateMagiskLog() = Shell.su("tail -n 5000 ${Const.MAGISK_LOG}").toSingle()
+        .map { it.exec() }
+        .map { it.out }
+        .flattenAsFlowable { it }
+        .map { ConsoleRvItem(it) }
+        .toList()
+        .doOnSuccessUi { magiskLogItem.update(it) }
+
+}