From d6b7ba5038fc15d9b5420999de6288c1d68ff60b Mon Sep 17 00:00:00 2001
From: Brayan Oliveira <69634269+brayandso@users.noreply.github.com>
Date: Mon, 11 Dec 2023 21:10:03 -0300
Subject: [PATCH] add dev option to use the new previewer

the pending issue to solve before releasing to the public is handling audio

since right now there are a bunch of TTS work in progress, I'll defer audio handling to later
---
 AnkiDroid/src/main/java/com/ichi2/anki/CardBrowser.kt  |  6 +++++-
 AnkiDroid/src/main/java/com/ichi2/anki/Previewer.kt    | 10 ++++++++++
 .../java/com/ichi2/anki/previewer/PreviewerActivity.kt |  4 ++--
 AnkiDroid/src/main/res/values/preferences.xml          |  1 +
 AnkiDroid/src/main/res/xml/preferences_dev_options.xml |  4 ++++
 5 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/CardBrowser.kt b/AnkiDroid/src/main/java/com/ichi2/anki/CardBrowser.kt
index d2d658a46b0b..1d5ebc73d8a4 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/CardBrowser.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/CardBrowser.kt
@@ -1256,7 +1256,11 @@ open class CardBrowser :
         }
 
     private fun getPreviewIntent(index: Int, selectedCardIds: LongArray): Intent {
-        return PreviewDestination(index, selectedCardIds).toIntent(this)
+        return if (sharedPrefs().getBoolean("new_previewer", false)) {
+            Previewer2Destination(index, selectedCardIds).toIntent(this)
+        } else {
+            PreviewDestination(index, selectedCardIds).toIntent(this)
+        }
     }
 
     private fun rescheduleSelectedCards() {
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/Previewer.kt b/AnkiDroid/src/main/java/com/ichi2/anki/Previewer.kt
index 3c866ccdad47..ec480c577be8 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/Previewer.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/Previewer.kt
@@ -32,6 +32,7 @@ import androidx.annotation.VisibleForTesting
 import com.ichi2.anki.cardviewer.Gesture
 import com.ichi2.anki.cardviewer.PreviewLayout
 import com.ichi2.anki.cardviewer.ViewerCommand
+import com.ichi2.anki.previewer.PreviewerActivity
 import com.ichi2.libanki.Collection
 import timber.log.Timber
 
@@ -282,7 +283,16 @@ class Previewer : AbstractFlashcardViewer() {
                 putExtra("index", index)
                 putExtra("cardList", cardList)
             }
+
+        @CheckResult
+        fun Previewer2Destination.toIntent(context: Context) =
+            Intent(context, PreviewerActivity::class.java).apply {
+                putExtra(PreviewerActivity.CURRENT_INDEX_EXTRA, currentIndex)
+                putExtra(PreviewerActivity.CARD_IDS_EXTRA, selectedCardIds)
+            }
     }
 }
 
 class PreviewDestination(val index: Int, val cardList: LongArray)
+
+class Previewer2Destination(val currentIndex: Int, val selectedCardIds: LongArray)
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/previewer/PreviewerActivity.kt b/AnkiDroid/src/main/java/com/ichi2/anki/previewer/PreviewerActivity.kt
index 1490bfa0c9ed..3bffb9c62e32 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/previewer/PreviewerActivity.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/previewer/PreviewerActivity.kt
@@ -219,8 +219,8 @@ class PreviewerActivity : AnkiActivity() {
     }
 
     companion object {
-        private const val CURRENT_INDEX_EXTRA = "currentIndex"
-        private const val CARD_IDS_EXTRA = "cardIds"
+        const val CURRENT_INDEX_EXTRA = "currentIndex"
+        const val CARD_IDS_EXTRA = "cardIds"
 
         fun getIntent(context: Context, selectedCardIds: LongArray, currentIndex: Int): Intent {
             return Intent(context, PreviewerActivity::class.java).apply {
diff --git a/AnkiDroid/src/main/res/values/preferences.xml b/AnkiDroid/src/main/res/values/preferences.xml
index cbfa3bafc575..236df9f75ef8 100644
--- a/AnkiDroid/src/main/res/values/preferences.xml
+++ b/AnkiDroid/src/main/res/values/preferences.xml
@@ -157,6 +157,7 @@
     <string name="pref_trigger_crash_key">trigger_crash_preference</string>
     <string name="pref_analytics_debug_key">analytics_debug_preference</string>
     <string name="pref_lock_database_key">debug_lock_database</string>
+    <string name="new_previewer_pref_key">new_previewer</string>
     <string name="pref_show_onboarding_key">showOnboarding</string>
     <string name="pref_reset_onboarding_key">resetOnboarding</string>
     <string name="dev_options_enabled_by_user_key">devOptionsEnabledByUser</string>
diff --git a/AnkiDroid/src/main/res/xml/preferences_dev_options.xml b/AnkiDroid/src/main/res/xml/preferences_dev_options.xml
index 28433fbeb93b..ce2449a3300e 100644
--- a/AnkiDroid/src/main/res/xml/preferences_dev_options.xml
+++ b/AnkiDroid/src/main/res/xml/preferences_dev_options.xml
@@ -44,6 +44,10 @@
         android:title="Lock Database"
         android:summary="Touch here to lock the database (all threads block in-process, exception if using second process)"
         android:key="@string/pref_lock_database_key"/>
+    <SwitchPreferenceCompat
+        android:title="New previewer"
+        android:key="@string/new_previewer_pref_key"
+        android:defaultValue="false"/>
     <SwitchPreferenceCompat
         android:title="@string/show_onboarding"
         android:summary="@string/show_onboarding_desc"