From 79ccfcd55397f3df7ce91d88e93a7c879a3360ab Mon Sep 17 00:00:00 2001
From: Platiplus <quazarweb@gmail.com>
Date: Sat, 3 Oct 2020 11:43:01 -0300
Subject: [PATCH] [Feature Request] Option to turn off History - #3772 (#3855)

* Implementing do not save chapter history preference

* Refactor of labels

* Changing incognito mode from Readers section to More

* Fixing imports and removing unused strings
---
 .../tachiyomi/data/preference/PreferenceKeys.kt      |  2 ++
 .../tachiyomi/data/preference/PreferencesHelper.kt   |  2 ++
 .../eu/kanade/tachiyomi/ui/more/MoreController.kt    | 10 ++++++++++
 .../eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt | 12 +++++++-----
 app/src/main/res/values/strings.xml                  |  2 ++
 5 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt b/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt
index 73c3dad48a..3cc5bb837e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt
@@ -179,6 +179,8 @@ object PreferenceKeys {
 
     const val defaultChapterDisplayByNameOrNumber = "default_chapter_display_by_name_or_number"
 
+    const val incognitoMode = "incognito_mode"
+
     fun trackUsername(syncId: Int) = "pref_mangasync_username_$syncId"
 
     fun trackPassword(syncId: Int) = "pref_mangasync_password_$syncId"
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt b/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
index 0daa433d7a..4c22f44f46 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
@@ -269,6 +269,8 @@ class PreferencesHelper(val context: Context) {
 
     fun sortChapterByAscendingOrDescending() = prefs.getInt(Keys.defaultChapterSortByAscendingOrDescending, Manga.SORT_DESC)
 
+    fun incognitoMode() = prefs.getBoolean(Keys.incognitoMode, false)
+
     fun setChapterSettingsDefault(manga: Manga) {
         prefs.edit {
             putInt(Keys.defaultChapterFilterByRead, manga.readFilter)
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/more/MoreController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/more/MoreController.kt
index aa839a9ec1..3dbcca6b52 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/more/MoreController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/more/MoreController.kt
@@ -23,6 +23,7 @@ import eu.kanade.tachiyomi.util.preference.preferenceCategory
 import eu.kanade.tachiyomi.util.preference.summaryRes
 import eu.kanade.tachiyomi.util.preference.switchPreference
 import eu.kanade.tachiyomi.util.preference.titleRes
+import eu.kanade.tachiyomi.util.preference.defaultValue
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.openInBrowser
 import rx.android.schedulers.AndroidSchedulers
@@ -53,6 +54,15 @@ class MoreController :
             iconTint = tintColor
         }
 
+        switchPreference {
+            key = Keys.incognitoMode
+            summaryRes = R.string.pref_incognito_mode_summary
+            titleRes = R.string.pref_incognito_mode
+            iconRes = R.drawable.ic_glasses_black_24dp
+            iconTint = tintColor
+            defaultValue = false
+        }
+
         preferenceCategory {
             preference {
                 titleRes = R.string.label_download_queue
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt
index 85b2ee797a..703eb308d5 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPresenter.kt
@@ -409,11 +409,13 @@ class ReaderPresenter(
      * Saves this [chapter] last read history.
      */
     private fun saveChapterHistory(chapter: ReaderChapter) {
-        val history = History.create(chapter.chapter).apply { last_read = Date().time }
-        db.updateHistoryLastRead(history).asRxCompletable()
-            .onErrorComplete()
-            .subscribeOn(Schedulers.io())
-            .subscribe()
+        if (!preferences.incognitoMode()) {
+            val history = History.create(chapter.chapter).apply { last_read = Date().time }
+            db.updateHistoryLastRead(history).asRxCompletable()
+                .onErrorComplete()
+                .subscribeOn(Schedulers.io())
+                .subscribe()
+        }
     }
 
     /**
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 948dac4015..4f8086bbd9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -318,6 +318,8 @@
     <string name="webtoon_side_padding_15">15%</string>
     <string name="webtoon_side_padding_20">20%</string>
     <string name="webtoon_side_padding_25">25%</string>
+    <string name="pref_incognito_mode">Incognito mode</string>
+    <string name="pref_incognito_mode_summary">Disables recording history in History tab</string>
 
       <!-- Downloads section -->
     <string name="pref_download_directory">Download location</string>