Add IME_FLAG_NO_PERSONALIZED_LEARNING flag to text input when incognito is enabled (#5801)

* Add IME_FLAG_NO_PERSONALIZED_LEARNING flag to text input when incognito is enabled

Tested with Gboard only.

* Revert "Add IME_FLAG_NO_PERSONALIZED_LEARNING flag to text input when incognito is enabled"

This reverts commit 068399db

* Add IME_FLAG_NO_PERSONALIZED_LEARNING flag to text inputs when incognito is enabled

Source preference is not affected.

* Source preference stuff

(cherry picked from commit 3ea84cf0ce)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/SourcePreferencesController.kt

app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/SourcePreferencesController.kt

@@ -27,6 +27,7 @@ import eu.kanade.tachiyomi.source.ConfigurableSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.getPreferenceKey
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import eu.kanade.tachiyomi.widget.TachiyomiTextInputEditText.Companion.setIncognito
 import exh.source.EnhancedHttpSource
 import timber.log.Timber
 
@@ -124,6 +125,13 @@ class SourcePreferencesController(bundle: Bundle? = null) :
                 pref.isIconSpaceReserved = false
                 pref.order = Int.MAX_VALUE // reset to default order
 
+                // Apply incognito IME for EditTextPreference
+                if (pref is EditTextPreference) {
+                    pref.setOnBindEditTextListener {
+                        it.setIncognito(viewScope)
+                    }
+                }
+
                 newScreen.removePreference(pref)
                 screen.addPreference(pref)
             }

app/src/main/java/eu/kanade/tachiyomi/widget/TachiyomiSearchView.kt

@@ -0,0 +1,47 @@
+package eu.kanade.tachiyomi.widget
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.appcompat.widget.SearchView
+import androidx.core.view.inputmethod.EditorInfoCompat
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.asImmediateFlow
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.flow.launchIn
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * A custom [SearchView] that sets [EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING] to imeOptions
+ * if [PreferencesHelper.incognitoMode] is true. Some IMEs may not respect this flag.
+ */
+class TachiyomiSearchView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = R.attr.searchViewStyle
+) : SearchView(context, attrs, defStyleAttr) {
+
+    private var scope: CoroutineScope? = null
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        scope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
+        Injekt.get<PreferencesHelper>().incognitoMode().asImmediateFlow {
+            imeOptions = if (it) {
+                imeOptions or EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING
+            } else {
+                imeOptions and EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING.inv()
+            }
+        }.launchIn(scope!!)
+    }
+
+    override fun onDetachedFromWindow() {
+        super.onDetachedFromWindow()
+        scope?.cancel()
+        scope = null
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/widget/TachiyomiTextInputEditText.kt

@@ -0,0 +1,60 @@
+package eu.kanade.tachiyomi.widget
+
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.EditText
+import androidx.core.view.inputmethod.EditorInfoCompat
+import com.google.android.material.textfield.TextInputEditText
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.asImmediateFlow
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.flow.launchIn
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+/**
+ * A custom [TextInputEditText] that sets [EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING] to imeOptions
+ * if [PreferencesHelper.incognitoMode] is true. Some IMEs may not respect this flag.
+ *
+ * @see setIncognito
+ */
+class TachiyomiTextInputEditText @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = R.attr.editTextStyle
+) : TextInputEditText(context, attrs, defStyleAttr) {
+
+    private var scope: CoroutineScope? = null
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        scope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
+        setIncognito(scope!!)
+    }
+
+    override fun onDetachedFromWindow() {
+        super.onDetachedFromWindow()
+        scope?.cancel()
+        scope = null
+    }
+
+    companion object {
+        /**
+         * Sets Flow to this [EditText] that sets [EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING] to imeOptions
+         * if [PreferencesHelper.incognitoMode] is true. Some IMEs may not respect this flag.
+         */
+        fun EditText.setIncognito(viewScope: CoroutineScope) {
+            Injekt.get<PreferencesHelper>().incognitoMode().asImmediateFlow {
+                imeOptions = if (it) {
+                    imeOptions or EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING
+                } else {
+                    imeOptions and EditorInfoCompat.IME_FLAG_NO_PERSONALIZED_LEARNING.inv()
+                }
+            }.launchIn(viewScope)
+        }
+    }
+}