feat: enable fullscreen in <video> tags

ankidroid · Jan 24, 2024 · 60d9c66 · 60d9c66
1 parent e2a3f64
commit 60d9c66
Showing 1 changed file with 36 additions and 3 deletions.
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.kt b/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.kt
@@ -44,6 +44,8 @@ import androidx.annotation.CheckResult
 import androidx.annotation.IdRes
 import androidx.annotation.VisibleForTesting
 import androidx.appcompat.app.AlertDialog
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.WindowInsetsControllerCompat
 import androidx.core.view.children
 import androidx.core.view.isVisible
 import androidx.lifecycle.Lifecycle.State.RESUMED
@@ -59,8 +61,6 @@ import com.ichi2.anki.UIUtils.showThemedToast
 import com.ichi2.anki.cardviewer.*
 import com.ichi2.anki.cardviewer.CardHtml.Companion.legacyGetTtsTags
 import com.ichi2.anki.cardviewer.HtmlGenerator.Companion.createInstance
-import com.ichi2.anki.cardviewer.SingleSoundSide
-import com.ichi2.anki.cardviewer.SoundSide
 import com.ichi2.anki.cardviewer.TypeAnswer.Companion.createInstance
 import com.ichi2.anki.dialogs.TtsVoicesDialogFragment
 import com.ichi2.anki.dialogs.tags.TagsDialog
@@ -1810,7 +1810,7 @@ abstract class AbstractFlashcardViewer :
     /**
      * Provides a hook for calling "alert" from javascript. Useful for debugging your javascript.
      */
-    class AnkiDroidWebChromeClient : WebChromeClient() {
+    inner class AnkiDroidWebChromeClient : WebChromeClient() {
         override fun onJsAlert(
             view: WebView,
             url: String,
@@ -1821,6 +1821,39 @@ abstract class AbstractFlashcardViewer :
             result.confirm()
             return true
         }
+
+        private lateinit var customView: View
+
+        // used for displaying `<video>` in fullscreen.
+        // This implementation requires configChanges="orientation" in the manifest
+        // to avoid destroying the View if the device is rotated
+        override fun onShowCustomView(
+            paramView: View,
+            paramCustomViewCallback: CustomViewCallback?
+        ) {
+            customView = paramView
+            (window.decorView as FrameLayout).addView(
+                customView,
+                FrameLayout.LayoutParams(
+                    FrameLayout.LayoutParams.MATCH_PARENT,
+                    FrameLayout.LayoutParams.MATCH_PARENT
+                )
+            )
+            // hide system bars
+            with(WindowInsetsControllerCompat(window, window.decorView)) {
+                systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+                hide(WindowInsetsCompat.Type.systemBars())
+            }
+        }
+
+        override fun onHideCustomView() {
+            (window.decorView as FrameLayout).removeView(customView)
+            // show system bars back
+            with(WindowInsetsControllerCompat(window, window.decorView)) {
+                systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_DEFAULT
+                show(WindowInsetsCompat.Type.systemBars())
+            }
+        }
     }
 
     protected open fun closeReviewer(result: Int) {