Add common logic for supporting UiMediaScope in Skiko platforms

compose/ui/ui/src/skikoMain/kotlin/androidx/compose/ui/platform/CompositionLocals.skiko.kt

@@ -25,7 +25,9 @@ import androidx.compose.runtime.ProvidedValue
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.saveable.LocalSaveableStateRegistry
 import androidx.compose.runtime.staticCompositionLocalOf
+import androidx.compose.ui.ExperimentalMediaQueryApi
 import androidx.compose.ui.InternalComposeUiApi
+import androidx.compose.ui.LocalUiMediaScope
 import androidx.lifecycle.LifecycleOwner
 import androidx.savedstate.compose.LocalSavedStateRegistryOwner
 
@@ -66,7 +68,7 @@ val LocalPlatformPrefetchScheduler = staticCompositionLocalOf<PlatformPrefetchSc
     error("CompositionLocal LocalPlatformPrefetchScheduler not present")
 }
 
-@OptIn(InternalComposeApi::class)
+@OptIn(ExperimentalMediaQueryApi::class)
 @Composable
 internal fun ProvidePlatformCompositionLocals(
     vararg values: ProvidedValue<*>,
@@ -94,6 +96,7 @@ internal fun ProvidePlatformCompositionLocals(
         LocalPlatformScreenReader provides platformContext.screenReader,
         LocalPlatformWindowInsets provides platformContext.windowInsets,
         LocalPlatformPrefetchScheduler provides platformContext.prefetchScheduler,
+        LocalUiMediaScope provides platformContext.mediaEnvironment,
         androidx.lifecycle.compose.LocalLifecycleOwner provides platformContext.architectureComponentsOwner.lifecycleOwner,
         LocalSavedStateRegistryOwner provides platformContext.architectureComponentsOwner.savedStateRegistryOwner,
         LocalSaveableStateRegistry provides saveableStateRegistry,

compose/ui/ui/src/skikoMain/kotlin/androidx/compose/ui/platform/PlatformContext.skiko.kt

@@ -13,20 +13,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package androidx.compose.ui.platform
 
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.ComposeUiFlags
 import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.ExperimentalMediaQueryApi
 import androidx.compose.ui.FrameRateCategory
 import androidx.compose.ui.InternalComposeUiApi
+import androidx.compose.ui.UiMediaScope
 import androidx.compose.ui.focus.FocusDirection
 import androidx.compose.ui.focus.FocusManager
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.Rect
 import androidx.compose.ui.hapticfeedback.HapticFeedback
+import androidx.compose.ui.hapticfeedback.HapticFeedbackType
 import androidx.compose.ui.input.InputMode
 import androidx.compose.ui.input.InputModeManager
 import androidx.compose.ui.input.pointer.PointerIcon
@@ -45,6 +49,7 @@ import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.ImeOptions
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.text.intl.LocaleList
+import androidx.compose.ui.unit.Dp
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.ViewModelStoreOwner
@@ -156,7 +161,7 @@ interface PlatformContext {
     }
 
     val textToolbar: TextToolbar get() = EmptyTextToolbar
-    val hapticFeedback: HapticFeedback get() = DefaultHapticFeedback
+    val hapticFeedback: HapticFeedback get() = NoOpHapticFeedback
     fun setPointerIcon(pointerIcon: PointerIcon) = Unit
 
     val parentFocusManager: FocusManager get() = EmptyFocusManager
@@ -217,6 +222,18 @@ interface PlatformContext {
      */
     val prefetchScheduler: PlatformPrefetchScheduler get() = NoOpPlatformPrefetchScheduler
 
+    /**
+     * Media-related information exposed to the composition.
+     *
+     * This provides platform-specific environment details such as window posture,
+     * pointer precision, keyboard type, and device capabilities. The default
+     * implementation is a no-op environment that reports neutral values so code
+     * using media state remains safe on platforms that do not provide a richer
+     * implementation.
+     */
+    @OptIn(ExperimentalMediaQueryApi::class)
+    val mediaEnvironment: UiMediaScope get() = EmptyMediaEnvironment
+
     interface RootForTestListener {
         fun onRootForTestCreated(root: PlatformRootForTest)
         fun onRootForTestDisposed(root: PlatformRootForTest)
@@ -389,3 +406,27 @@ internal class DelegateRootForTestListener : PlatformContext.RootForTestListener
         }
     }
 }
+
+private object NoOpHapticFeedback : HapticFeedback {
+    override fun performHapticFeedback(hapticFeedbackType: HapticFeedbackType) = Unit
+}
+
+@OptIn(ExperimentalMediaQueryApi::class)
+private object EmptyMediaEnvironment : UiMediaScope {
+    override val windowPosture: UiMediaScope.Posture
+        get() = UiMediaScope.Posture.Flat
+    override val windowWidth: Dp
+        get() = Dp.Unspecified
+    override val windowHeight: Dp
+        get() = Dp.Unspecified
+    override val pointerPrecision: UiMediaScope.PointerPrecision
+        get() = UiMediaScope.PointerPrecision.None
+    override val keyboardKind: UiMediaScope.KeyboardKind
+        get() = UiMediaScope.KeyboardKind.None
+    override val hasMicrophone: Boolean
+        get() = false
+    override val hasCamera: Boolean
+        get() = false
+    override val viewingDistance: UiMediaScope.ViewingDistance
+        get() = UiMediaScope.ViewingDistance.Near
+}

compose/ui/ui/src/webMain/kotlin/androidx/compose/ui/platform/DefaultHapticFeedback.web.kt

@@ -39,8 +39,6 @@ internal class WebHapticFeedback : HapticFeedback {
         private val SoftTickVibrationPattern = vibrationPatternOf(6)
         private val LongPressVibrationPattern = vibrationPatternOf(0, 30)
         private val VirtualKeyVibrationPattern = vibrationPatternOf(0, 20)
-
-        fun webHapticFeedbackOrDefault(): HapticFeedback =  if (isVibrationSupported()) WebHapticFeedback() else DefaultHapticFeedback
     }
 
     override fun performHapticFeedback(hapticFeedbackType: HapticFeedbackType) {
@@ -81,7 +79,7 @@ private fun vibrate(pattern: JsArray<JsNumber>) {
     js("window.navigator.vibrate(pattern)")
 }
 
-private fun isVibrationSupported(): Boolean = js(
+internal fun isVibrationSupported(): Boolean = js(
     //language=javascript
     """
         typeof window !== 'undefined' &&

compose/ui/ui/src/webMain/kotlin/androidx/compose/ui/window/ComposeWindowInternal.web.kt

@@ -79,6 +79,7 @@ import androidx.compose.ui.platform.PlatformOutOfFrameExecutor
 import androidx.compose.ui.platform.PlatformPrefetchScheduler
 import androidx.compose.ui.platform.WebPrefetchScheduler
 import androidx.compose.ui.platform.isIdleCallbackSupported
+import androidx.compose.ui.platform.isVibrationSupported
 import androidx.compose.ui.scene.ComposeSceneDragAndDropNode
 import androidx.compose.ui.scene.ComposeScenePointer
 import androidx.compose.ui.scene.PointerEventResult
@@ -309,7 +310,7 @@ internal class ComposeWindow(
             }
 
             override val hapticFeedback by lazy(LazyThreadSafetyMode.NONE) {
-                WebHapticFeedback.webHapticFeedbackOrDefault()
+                if (isVibrationSupported()) WebHapticFeedback() else super.hapticFeedback
             }
 
             override val prefetchScheduler: PlatformPrefetchScheduler =