Add a flag to enable or disable incoming share

features/share/impl/src/main/kotlin/io/element/android/features/share/impl/DefaultShareService.kt

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.share.impl
+
+import android.content.ComponentName
+import android.content.Context
+import android.content.pm.PackageManager
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.share.api.ShareService
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.di.ApplicationContext
+import io.element.android.libraries.featureflag.api.FeatureFlagService
+import io.element.android.libraries.featureflag.api.FeatureFlags
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+class DefaultShareService @Inject constructor(
+    private val featureFlagService: FeatureFlagService,
+    @ApplicationContext private val context: Context,
+) : ShareService {
+    override fun observeFeatureFlag(coroutineScope: CoroutineScope) {
+        val shareActivityComponent = context
+            .packageManager
+            .getPackageInfo(
+                context.packageName,
+                PackageManager.GET_ACTIVITIES or PackageManager.MATCH_DISABLED_COMPONENTS
+            )
+            .activities
+            .firstOrNull { it.name.endsWith(".ShareActivity") }
+            ?.let { shareActivityInfo ->
+                ComponentName(
+                    shareActivityInfo.packageName,
+                    shareActivityInfo.name,
+                )
+            }
+            ?: return Unit.also {
+                Timber.w("ShareActivity not found")
+            }
+        featureFlagService.isFeatureEnabledFlow(FeatureFlags.IncomingShare)
+            .onEach { enabled ->
+                val state = if (enabled) {
+                    PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
+                } else {
+                    PackageManager.COMPONENT_ENABLED_STATE_DISABLED
+                }
+                try {
+                    context.packageManager.setComponentEnabledSetting(
+                        shareActivityComponent,
+                        state,
+                        PackageManager.DONT_KILL_APP,
+                    )
+                } catch (e: Exception) {
+                    Timber.e(e, "Failed to enable or disable the component")
+                }
+            }
+            .launchIn(coroutineScope)
+    }
+}