Part 1 of incognito mode

Split this up into multiple commits since it's more readable but here goes:

Adding the preference for incognito mode (currently not togglable in this commit)

This is the logic from upstream, however as per ushe, there's difference in presentation. This one adds an incognito icon to toolbar. How it's displayed in upstream can work here to with (not too much) effort, but boy this was is easier and lazier

Co-Authored-By: arkon <4098258+arkon@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -201,6 +201,8 @@ object PreferenceKeys {
     const val showNsfwExtension = "show_nsfw_extension"
     const val labelNsfwExtension = "label_nsfw_extension"
 
+    const val incognitoMode = "incognito_mode"
+
     fun trackUsername(syncId: Int) = "pref_mangasync_username_$syncId"
 
     fun trackPassword(syncId: Int) = "pref_mangasync_password_$syncId"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -376,4 +376,6 @@ class PreferencesHelper(val context: Context) {
 
     fun createLegacyBackup() = flowPrefs.getBoolean(Keys.createLegacyBackup, true)
     fun dohProvider() = prefs.getInt(Keys.dohProvider, -1)
+
+    fun incognitoMode() = flowPrefs.getBoolean(Keys.incognitoMode, false)
 }

app/src/main/java/eu/kanade/tachiyomi/ui/base/CenteredToolbar.kt

@@ -1,58 +1,110 @@
 package eu.kanade.tachiyomi.ui.base
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.util.AttributeSet
+import android.view.Gravity
 import android.widget.TextView
+import androidx.annotation.DrawableRes
 import androidx.appcompat.graphics.drawable.DrawerArrowDrawable
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
 import com.google.android.material.appbar.MaterialToolbar
 import com.google.android.material.textview.MaterialTextView
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.system.getResourceColor
 
+@SuppressLint("CustomViewStyleable")
 class CenteredToolbar@JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
     MaterialToolbar(context, attrs) {
 
     private lateinit var toolbarTitle: TextView
+    private val defStyleRes = com.google.android.material.R.style.Widget_MaterialComponents_Toolbar
+
+    private val titleTextAppeance: Int
+
+    var incognito = false
+    var hasDropdown: Boolean? = null
+    init {
+        val a = context.obtainStyledAttributes(
+            attrs,
+            R.styleable.Toolbar,
+            0,
+            defStyleRes
+        )
+        titleTextAppeance = a.getResourceId(R.styleable.Toolbar_titleTextAppearance, 0)
+        a.recycle()
+    }
     override fun onFinishInflate() {
         super.onFinishInflate()
         toolbarTitle = findViewById<MaterialTextView>(R.id.toolbar_title)
+        toolbarTitle.setTextAppearance(titleTextAppeance)
+        toolbarTitle.setTextColor(context.getResourceColor(R.attr.actionBarTintColor))
     }
 
     override fun setTitle(resId: Int) {
-        if (navigationIcon is DrawerArrowDrawable) {
+        setCustomTitle(context.getString(resId))
-            super.setTitle(resId)
-            toolbarTitle.text = null
-            hideDropdown()
-        } else {
-            toolbarTitle.text = context.getString(resId)
-            super.setTitle(null)
-        }
     }
 
     override fun setTitle(title: CharSequence?) {
-        if (navigationIcon is DrawerArrowDrawable) {
+        setCustomTitle(title)
-            super.setTitle(title)
+    }
-            toolbarTitle.text = ""
+
-            hideDropdown()
+    private fun setCustomTitle(title: CharSequence?) {
-        } else {
+        toolbarTitle.isVisible = true
         toolbarTitle.text = title
         super.setTitle(null)
+        toolbarTitle.updateLayoutParams<LayoutParams> {
+            gravity = if (navigationIcon is DrawerArrowDrawable) Gravity.START else Gravity.CENTER
         }
+        toolbarTitle.compoundDrawablePadding = if (navigationIcon is DrawerArrowDrawable) 6.dpToPx else 0
+        if (navigationIcon is DrawerArrowDrawable) {
+            hideDropdown()
+        }
+        setIncognitoMode(incognito)
+    }
+
+    fun hideDropdown() {
+        hasDropdown = null
+        setIcons()
     }
 
     fun showDropdown(down: Boolean = true) {
+        hasDropdown = down
+        setIcons()
+    }
+
+    fun setIncognitoMode(enabled: Boolean) {
+        incognito = enabled
+        setIcons()
+    }
+
+    private fun setIcons() {
         toolbarTitle.setCompoundDrawablesRelativeWithIntrinsicBounds(
-            R.drawable.ic_blank_24dp,
+            getIncogRes(),
             0,
-            if (down) {
+            getDropdownRes(),
-                R.drawable.ic_arrow_drop_down_24dp
-            } else {
-                R.drawable.ic_arrow_drop_up_24dp
-            },
             0
         )
     }
 
-    fun hideDropdown() {
+    @DrawableRes
-        toolbarTitle.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0)
+    private fun getIncogRes(): Int {
+        return when {
+            incognito -> R.drawable.ic_incognito_circle_24dp
+            hasDropdown != null -> R.drawable.ic_blank_24dp
+            else -> 0
+        }
+    }
+
+    @DrawableRes
+    private fun getDropdownRes(): Int {
+        return when {
+            hasDropdown == true -> R.drawable.ic_arrow_drop_down_24dp
+            hasDropdown == false -> R.drawable.ic_arrow_drop_up_24dp
+            incognito && navigationIcon !is DrawerArrowDrawable -> R.drawable.ic_blank_28dp
+            else -> 0
+        }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -43,6 +43,7 @@ import eu.kanade.tachiyomi.data.download.DownloadServiceListener
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.asImmediateFlow
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.updater.UpdateChecker
 import eu.kanade.tachiyomi.data.updater.UpdateResult
@@ -79,6 +80,7 @@ import eu.kanade.tachiyomi.widget.EndAnimatorListener
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import timber.log.Timber
@@ -321,6 +323,10 @@ open class MainActivity : BaseActivity<MainActivityBinding>(), DownloadServiceLi
         preferences.extensionUpdatesCount().asObservable().subscribe {
             setExtensionsBadge()
         }
+
+        preferences.incognitoMode()
+            .asImmediateFlow { binding.toolbar.setIncognitoMode(it) }
+            .launchIn(lifecycleScope)
         setExtensionsBadge()
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt

@@ -124,6 +124,13 @@ class ReaderPresenter(
 
     private var scope = CoroutineScope(Job() + Dispatchers.Default)
 
+    private var hasTrackers: Boolean = false
+    private val checkTrackers: (Manga) -> Unit = { manga ->
+        val tracks = db.getTracks(manga).executeAsBlocking()
+
+        hasTrackers = tracks.size > 0
+    }
+
     /**
      * Called when the presenter is created. It retrieves the saved active chapter if the process
      * was restored.
@@ -250,6 +257,8 @@ class ReaderPresenter(
         this.manga = manga
         if (chapterId == -1L) chapterId = initialChapterId
 
+        checkTrackers(manga)
+
         NotificationReceiver.dismissNotification(
             preferences.context,
             manga.id!!.hashCode(),
@@ -476,9 +485,13 @@ class ReaderPresenter(
         selectedChapter.chapter.last_page_read = page.index
         selectedChapter.chapter.pages_left =
             (selectedChapter.pages?.size ?: page.index) - page.index
+        val shouldTrack = !preferences.incognitoMode().get() || hasTrackers
+        if (shouldTrack &&
             // For double pages, check if the second to last page is doubled up
-        if (selectedChapter.pages?.lastIndex == page.index ||
+            (
+                selectedChapter.pages?.lastIndex == page.index ||
                     (hasExtraPage && selectedChapter.pages?.lastIndex?.minus(1) == page.index)
+                )
         ) {
             selectedChapter.chapter.read = true
             updateTrackChapterRead(selectedChapter)
@@ -521,21 +534,26 @@ class ReaderPresenter(
 
     /**
      * Saves this [chapter] progress (last read page and whether it's read).
+     * If incognito mode isn't on or has at least 1 tracker
      */
     private fun saveChapterProgress(chapter: ReaderChapter) {
         db.getChapter(chapter.chapter.id!!).executeAsBlocking()?.let { dbChapter ->
             chapter.chapter.bookmark = dbChapter.bookmark
         }
+        if (!preferences.incognitoMode().get() || hasTrackers) {
             db.updateChapterProgress(chapter.chapter).executeAsBlocking()
         }
+    }
 
     /**
      * Saves this [chapter] last read history.
      */
     private fun saveChapterHistory(chapter: ReaderChapter) {
+        if (!preferences.incognitoMode().get()) {
             val history = History.create(chapter.chapter).apply { last_read = Date().time }
             db.updateHistoryLastRead(history).executeAsBlocking()
         }
+    }
 
     /**
      * Called from the activity to preload the given [chapter].

app/src/main/java/eu/kanade/tachiyomi/ui/source/BrowseController.kt

@@ -440,6 +440,7 @@ class BrowseController :
      * Opens a catalogue with the given controller.
      */
     private fun openCatalogue(source: CatalogueSource, controller: BrowseSourceController) {
+        if (!preferences.incognitoMode().get()) {
             preferences.lastUsedCatalogueSource().set(source.id)
             if (source !is LocalSource) {
                 val list = preferences.lastUsedSources().get().toMutableSet()
@@ -450,6 +451,7 @@ class BrowseController :
                 preferences.lastUsedSources()
                     .set(sortedList.take(2).toSet())
             }
+        }
         router.pushController(controller.withFadeTransaction())
     }
 

app/src/main/res/drawable/ic_incognito_circle_24dp.xml

@@ -0,0 +1,8 @@
+<!-- drawable/incognito_circle.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="28dp"
+    android:width="28dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M12 2C17.5 2 22 6.5 22 12S17.5 22 12 22 2 17.5 2 12 6.5 2 12 2M14.92 12.81C13.84 12.81 12.95 13.56 12.71 14.56C12.17 14.33 11.66 14.39 11.29 14.55C11.05 13.55 10.15 12.81 9.08 12.81C7.83 12.81 6.82 13.82 6.82 15.07C6.82 16.32 7.83 17.33 9.08 17.33C10.28 17.33 11.24 16.42 11.33 15.25C11.53 15.12 12.04 14.86 12.67 15.26C12.77 16.42 13.73 17.33 14.92 17.33C16.17 17.33 17.18 16.32 17.18 15.07C17.18 13.82 16.17 12.81 14.92 12.81M9.08 13.45C10 13.45 10.7 14.18 10.7 15.07C10.7 15.96 10 16.69 9.08 16.69C8.19 16.69 7.46 15.96 7.46 15.07C7.46 14.18 8.19 13.45 9.08 13.45M14.92 13.45C15.81 13.45 16.54 14.18 16.54 15.07C16.54 15.96 15.81 16.69 14.92 16.69C14 16.69 13.3 15.96 13.3 15.07C13.3 14.18 14 13.45 14.92 13.45M17.83 11.5H6.17V12.17H17.83V11.5M14.15 6.89C14 6.59 13.67 6.43 13.35 6.53L12 7L10.65 6.53L10.61 6.5C10.29 6.43 9.95 6.61 9.84 6.92L8.36 10.83H15.64L14.16 6.92L14.15 6.89Z" />
+</vector>

app/src/main/res/values/strings.xml

@@ -564,6 +564,11 @@
     <string name="help">Help</string>
     <string name="search_settings">Search settings</string>
 
+    <string name="turn_on_">Turn on %s</string>
+    <string name="turn_off_">Turn off %s</string>
+    <string name="incognito_mode">Incognito mode</string>
+    <string name="pauses_reading_history">Pauses reading history</string>
+
     <!-- General settings -->
     <string name="app_theme">App theme</string>
     <string name="light_blue">Light Blue</string>