Incoming share

app/src/main/AndroidManifest.xml

@@ -120,6 +120,22 @@
                 <data android:host="user" />
                 <data android:host="room" />
             </intent-filter>
+            <!-- Incoming share simple -->
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <data android:mimeType="*/*"/>
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.OPENABLE" />
+            </intent-filter>
+            <!-- Incoming share multiple -->
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <data android:mimeType="*/*" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.OPENABLE" />
+            </intent-filter>
         </activity>
 
         <provider

appnav/build.gradle.kts

@@ -52,6 +52,7 @@ dependencies {
     implementation(libs.coil)
 
     implementation(projects.features.ftue.api)
+    implementation(projects.features.share.api)
     implementation(projects.features.viewfolder.api)
 
     implementation(projects.services.apperror.impl)

appnav/src/main/kotlin/io/element/android/appnav/LoggedInFlowNode.kt

@@ -16,6 +16,7 @@
 
 package io.element.android.appnav
 
+import android.content.Intent
 import android.os.Parcelable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.runtime.Composable
@@ -54,6 +55,7 @@ import io.element.android.features.roomdirectory.api.RoomDescription
 import io.element.android.features.roomdirectory.api.RoomDirectoryEntryPoint
 import io.element.android.features.roomlist.api.RoomListEntryPoint
 import io.element.android.features.securebackup.api.SecureBackupEntryPoint
+import io.element.android.features.share.api.ShareEntryPoint
 import io.element.android.features.userprofile.api.UserProfileEntryPoint
 import io.element.android.libraries.architecture.BackstackView
 import io.element.android.libraries.architecture.BaseFlowNode
@@ -98,6 +100,7 @@ class LoggedInFlowNode @AssistedInject constructor(
     private val networkMonitor: NetworkMonitor,
     private val ftueService: FtueService,
     private val roomDirectoryEntryPoint: RoomDirectoryEntryPoint,
+    private val shareEntryPoint: ShareEntryPoint,
     private val matrixClient: MatrixClient,
     snackbarDispatcher: SnackbarDispatcher,
 ) : BaseFlowNode<LoggedInFlowNode.NavTarget>(
@@ -219,6 +222,9 @@ class LoggedInFlowNode @AssistedInject constructor(
 
         @Parcelize
         data object RoomDirectorySearch : NavTarget
+
+        @Parcelize
+        data class IncomingShare(val intent: Intent) : NavTarget
     }
 
     override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
@@ -375,6 +381,20 @@ class LoggedInFlowNode @AssistedInject constructor(
                     })
                     .build()
             }
+            is NavTarget.IncomingShare -> {
+                shareEntryPoint.nodeBuilder(this, buildContext)
+                    .callback(object : ShareEntryPoint.Callback {
+                        override fun onDone(roomIds: List<RoomId>) {
+                            navigateUp()
+                            if (roomIds.size == 1) {
+                                val targetRoomId = roomIds.first()
+                                backstack.push(NavTarget.Room(targetRoomId.toRoomIdOrAlias()))
+                            }
+                        }
+                    })
+                    .params(ShareEntryPoint.Params(intent = navTarget.intent))
+                    .build()
+            }
         }
     }
 
@@ -414,6 +434,17 @@ class LoggedInFlowNode @AssistedInject constructor(
         }
     }
 
+    internal suspend fun attachIncomingShare(intent: Intent) {
+        waitForNavTargetAttached { navTarget ->
+            navTarget is NavTarget.RoomList
+        }
+        attachChild<Node> {
+            backstack.push(
+                NavTarget.IncomingShare(intent)
+            )
+        }
+    }
+
     @Composable
     override fun View(modifier: Modifier) {
         Box(modifier = modifier) {

appnav/src/main/kotlin/io/element/android/appnav/RootFlowNode.kt

@@ -283,6 +283,19 @@ class RootFlowNode @AssistedInject constructor(
             is ResolvedIntent.Navigation -> navigateTo(resolvedIntent.deeplinkData)
             is ResolvedIntent.Oidc -> onOidcAction(resolvedIntent.oidcAction)
             is ResolvedIntent.Permalink -> navigateTo(resolvedIntent.permalinkData)
+            is ResolvedIntent.IncomingShare -> onIncomingShare(resolvedIntent.intent)
+        }
+    }
+
+    private suspend fun onIncomingShare(intent: Intent) {
+        // Is there a session already?
+        val latestSessionId = authenticationService.getLatestSessionId()
+        if (latestSessionId == null) {
+            // No session, open login
+            switchToNotLoggedInFlow()
+        } else {
+            attachSession(latestSessionId)
+                .attachIncomingShare(intent)
         }
     }
 

appnav/src/main/kotlin/io/element/android/appnav/intent/IntentResolver.kt

@@ -30,6 +30,7 @@ sealed interface ResolvedIntent {
     data class Navigation(val deeplinkData: DeeplinkData) : ResolvedIntent
     data class Oidc(val oidcAction: OidcAction) : ResolvedIntent
     data class Permalink(val permalinkData: PermalinkData) : ResolvedIntent
+    data class IncomingShare(val intent: Intent) : ResolvedIntent
 }
 
 class IntentResolver @Inject constructor(
@@ -56,6 +57,10 @@ class IntentResolver @Inject constructor(
             ?.takeIf { it !is PermalinkData.FallbackLink }
         if (permalinkData != null) return ResolvedIntent.Permalink(permalinkData)
 
+        if (intent.action == Intent.ACTION_SEND || intent.action == Intent.ACTION_SEND_MULTIPLE) {
+            return ResolvedIntent.IncomingShare(intent)
+        }
+
         // Unknown intent
         Timber.w("Unknown intent")
         return null

features/share/api/build.gradle.kts

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+plugins {
+    id("io.element.android-library")
+    id("kotlin-parcelize")
+}
+
+android {
+    namespace = "io.element.android.features.share.api"
+}
+
+dependencies {
+    implementation(projects.libraries.architecture)
+    implementation(projects.libraries.matrix.api)
+}

features/share/api/src/main/kotlin/io/element/android/features/share/api/ShareEntryPoint.kt

@@ -0,0 +1,41 @@
+/*
+ * 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.api
+
+import android.content.Intent
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import io.element.android.libraries.architecture.FeatureEntryPoint
+import io.element.android.libraries.architecture.NodeInputs
+import io.element.android.libraries.matrix.api.core.RoomId
+
+interface ShareEntryPoint : FeatureEntryPoint {
+    data class Params(val intent: Intent) : NodeInputs
+
+    fun nodeBuilder(parentNode: Node, buildContext: BuildContext): NodeBuilder
+
+    interface Callback : Plugin {
+        fun onDone(roomIds: List<RoomId>)
+    }
+
+    interface NodeBuilder {
+        fun params(params: Params): NodeBuilder
+        fun callback(callback: Callback): NodeBuilder
+        fun build(): Node
+    }
+}

features/share/impl/build.gradle.kts

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+plugins {
+    id("io.element.android-compose-library")
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.anvil)
+    id("kotlin-parcelize")
+}
+
+android {
+    namespace = "io.element.android.features.share.impl"
+
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+        }
+    }
+}
+
+anvil {
+    generateDaggerFactories.set(true)
+}
+
+dependencies {
+    anvil(projects.anvilcodegen)
+    implementation(projects.anvilannotations)
+
+    implementation(projects.appconfig)
+    implementation(projects.libraries.androidutils)
+    implementation(projects.libraries.core)
+    implementation(projects.libraries.androidutils)
+    implementation(projects.libraries.architecture)
+    implementation(projects.libraries.matrix.api)
+    implementation(projects.libraries.matrixui)
+    implementation(projects.libraries.designsystem)
+    implementation(projects.libraries.mediaupload.api)
+    implementation(projects.libraries.roomselect.api)
+    implementation(projects.libraries.uiStrings)
+    implementation(projects.libraries.testtags)
+    api(libs.statemachine)
+    api(projects.features.share.api)
+
+    testImplementation(libs.test.junit)
+    testImplementation(libs.coroutines.test)
+    testImplementation(libs.molecule.runtime)
+    testImplementation(libs.test.truth)
+    testImplementation(libs.test.turbine)
+    testImplementation(libs.test.robolectric)
+    testImplementation(libs.androidx.compose.ui.test.junit)
+    testImplementation(projects.libraries.matrix.test)
+    testImplementation(projects.tests.testutils)
+    testReleaseImplementation(libs.androidx.compose.ui.test.manifest)
+
+    ksp(libs.showkase.processor)
+}

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

@@ -0,0 +1,49 @@
+/*
+ * 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 com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.share.api.ShareEntryPoint
+import io.element.android.libraries.architecture.createNode
+import io.element.android.libraries.di.SessionScope
+import javax.inject.Inject
+
+@ContributesBinding(SessionScope::class)
+class DefaultShareEntryPoint @Inject constructor() : ShareEntryPoint {
+    override fun nodeBuilder(parentNode: Node, buildContext: BuildContext): ShareEntryPoint.NodeBuilder {
+        val plugins = ArrayList<Plugin>()
+
+        return object : ShareEntryPoint.NodeBuilder {
+            override fun params(params: ShareEntryPoint.Params): ShareEntryPoint.NodeBuilder {
+                plugins += ShareNode.Inputs(intent = params.intent)
+                return this
+            }
+
+            override fun callback(callback: ShareEntryPoint.Callback): ShareEntryPoint.NodeBuilder {
+                plugins += callback
+                return this
+            }
+
+            override fun build(): Node {
+                return parentNode.createNode<ShareNode>(buildContext, plugins)
+            }
+        }
+    }
+}

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

@@ -0,0 +1,21 @@
+/*
+ * 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
+
+sealed interface ShareEvents {
+    data object ClearError : ShareEvents
+}

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

@@ -0,0 +1,126 @@
+/*
+ * 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.Intent
+import android.content.pm.PackageManager
+import android.content.pm.ResolveInfo
+import android.net.Uri
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.libraries.androidutils.compat.getParcelableArrayListExtraCompat
+import io.element.android.libraries.androidutils.compat.getParcelableExtraCompat
+import io.element.android.libraries.androidutils.compat.queryIntentActivitiesCompat
+import io.element.android.libraries.core.mimetype.MimeTypes
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeAny
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeApplication
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeAudio
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeFile
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeImage
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeText
+import io.element.android.libraries.core.mimetype.MimeTypes.isMimeTypeVideo
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.di.ApplicationContext
+import javax.inject.Inject
+
+interface ShareIntentHandler {
+    suspend fun handleIncomingShareIntent(
+        intent: Intent,
+        onFile: suspend (List<DefaultShareIntentHandler.FileToShare>) -> Boolean,
+        onPlainText: suspend (String) -> Boolean,
+    ): Boolean
+}
+
+@ContributesBinding(AppScope::class)
+class DefaultShareIntentHandler @Inject constructor(
+    @ApplicationContext private val context: Context,
+) : ShareIntentHandler {
+    data class FileToShare(
+        val uri: Uri,
+        val mimeType: String,
+    )
+
+    /**
+     * This methods aims to handle incoming share intents.
+     *
+     * @return true if it can handle the intent data, false otherwise
+     */
+    override suspend fun handleIncomingShareIntent(
+        intent: Intent,
+        onFile: suspend (List<FileToShare>) -> Boolean,
+        onPlainText: suspend (String) -> Boolean,
+    ): Boolean {
+        val type = intent.resolveType(context) ?: return false
+        return when {
+            type == MimeTypes.PlainText -> handlePlainText(intent, onPlainText)
+            type.isMimeTypeImage() ||
+                type.isMimeTypeVideo() ||
+                type.isMimeTypeAudio() ||
+                type.isMimeTypeApplication() ||
+                type.isMimeTypeFile() ||
+                type.isMimeTypeText() ||
+                type.isMimeTypeAny() -> onFile(getIncomingFiles(intent, type))
+            else -> false
+        }
+    }
+
+    private suspend fun handlePlainText(intent: Intent, onPlainText: suspend (String) -> Boolean): Boolean {
+        val content = intent.getCharSequenceExtra(Intent.EXTRA_TEXT)?.toString()
+        return if (content?.isNotEmpty() == true) {
+            onPlainText(content)
+        } else {
+            false
+        }
+    }
+
+    /**
+     * Use this function to retrieve files which are shared from another application or internally
+     * by using android.intent.action.SEND or android.intent.action.SEND_MULTIPLE actions.
+     */
+    private fun getIncomingFiles(data: Intent, type: String): List<FileToShare> {
+        val uriList = mutableListOf<Uri>()
+        if (data.action == Intent.ACTION_SEND) {
+            data.getParcelableExtraCompat<Uri>(Intent.EXTRA_STREAM)?.let { uriList.add(it) }
+        } else if (data.action == Intent.ACTION_SEND_MULTIPLE) {
+            val extraUriList: List<Uri>? = data.getParcelableArrayListExtraCompat(Intent.EXTRA_STREAM)
+            extraUriList?.let { uriList.addAll(it) }
+        }
+        val resInfoList: List<ResolveInfo> = context.packageManager.queryIntentActivitiesCompat(data, PackageManager.MATCH_DEFAULT_ONLY)
+        uriList.forEach {
+            for (resolveInfo in resInfoList) {
+                val packageName: String = resolveInfo.activityInfo.packageName
+                // Replace implicit intent by an explicit to fix crash on some devices like Xiaomi.
+                // see https://juejin.cn/post/7031736325422186510
+                try {
+                    context.grantUriPermission(packageName, it, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                } catch (e: Exception) {
+                    continue
+                }
+                data.action = null
+                data.component = ComponentName(packageName, resolveInfo.activityInfo.name)
+                break
+            }
+        }
+        return uriList.map { uri ->
+            FileToShare(
+                uri = uri,
+                mimeType = type
+            )
+        }
+    }
+}

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

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 20244 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.Intent
+import android.os.Parcelable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.composable.Children
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.navigation.model.permanent.PermanentNavModel
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.node.ParentNode
+import com.bumble.appyx.core.plugin.Plugin
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.features.share.api.ShareEntryPoint
+import io.element.android.libraries.architecture.NodeInputs
+import io.element.android.libraries.architecture.inputs
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.roomselect.api.RoomSelectEntryPoint
+import io.element.android.libraries.roomselect.api.RoomSelectMode
+import kotlinx.parcelize.Parcelize
+
+@ContributesNode(SessionScope::class)
+class ShareNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+    presenterFactory: SharePresenter.Factory,
+    private val roomSelectEntryPoint: RoomSelectEntryPoint,
+) : ParentNode<ShareNode.NavTarget>(
+    navModel = PermanentNavModel(
+        navTargets = setOf(NavTarget),
+        savedStateMap = buildContext.savedStateMap,
+    ),
+    buildContext = buildContext,
+    plugins = plugins,
+) {
+    @Parcelize
+    object NavTarget : Parcelable
+
+    data class Inputs(val intent: Intent) : NodeInputs
+
+    private val inputs = inputs<Inputs>()
+    private val presenter = presenterFactory.create(inputs.intent)
+    private val callbacks = plugins.filterIsInstance<ShareEntryPoint.Callback>()
+
+    override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
+        val callback = object : RoomSelectEntryPoint.Callback {
+            override fun onRoomSelected(roomIds: List<RoomId>) {
+                presenter.onRoomSelected(roomIds)
+            }
+
+            override fun onCancel() {
+                navigateUp()
+            }
+        }
+
+        return roomSelectEntryPoint.nodeBuilder(this, buildContext)
+            .callback(callback)
+            .params(RoomSelectEntryPoint.Params(mode = RoomSelectMode.Share))
+            .build()
+    }
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        Box(modifier = modifier) {
+            // Will render to room select screen
+            Children(
+                navModel = navModel,
+            )
+
+            val state = presenter.present()
+            ShareView(
+                state = state,
+                onShareSuccess = ::onShareSuccess,
+            )
+        }
+    }
+
+    private fun onShareSuccess(roomIds: List<RoomId>) {
+        callbacks.forEach { it.onDone(roomIds) }
+    }
+}

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

@@ -0,0 +1,112 @@
+/*
+ * 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.Intent
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.architecture.runCatchingUpdatingState
+import io.element.android.libraries.core.bool.orFalse
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.mediaupload.api.MediaPreProcessor
+import io.element.android.libraries.mediaupload.api.MediaSender
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+
+class SharePresenter @AssistedInject constructor(
+    @Assisted private val intent: Intent,
+    private val appCoroutineScope: CoroutineScope,
+    private val shareIntentHandler: ShareIntentHandler,
+    private val matrixClient: MatrixClient,
+    private val mediaPreProcessor: MediaPreProcessor,
+) : Presenter<ShareState> {
+    @AssistedFactory
+    interface Factory {
+        fun create(intent: Intent): SharePresenter
+    }
+
+    private val shareActionState: MutableState<AsyncAction<List<RoomId>>> = mutableStateOf(AsyncAction.Uninitialized)
+
+    fun onRoomSelected(roomIds: List<RoomId>) {
+        appCoroutineScope.share(intent, roomIds, shareActionState)
+    }
+
+    @Composable
+    override fun present(): ShareState {
+        fun handleEvents(event: ShareEvents) {
+            when (event) {
+                ShareEvents.ClearError -> shareActionState.value = AsyncAction.Uninitialized
+            }
+        }
+
+        return ShareState(
+            shareAction = shareActionState.value,
+            eventSink = { handleEvents(it) }
+        )
+    }
+
+    private fun CoroutineScope.share(
+        intent: Intent,
+        roomIds: List<RoomId>,
+        shareActionState: MutableState<AsyncAction<List<RoomId>>>,
+    ) = launch {
+        suspend {
+            val result = shareIntentHandler.handleIncomingShareIntent(
+                intent,
+                onFile = { filesToShare ->
+                    roomIds
+                        .map { roomId ->
+                            val room = matrixClient.getRoom(roomId) ?: return@map false
+                            val mediaSender = MediaSender(preProcessor = mediaPreProcessor, room = room)
+                            filesToShare
+                                .map { fileToShare ->
+                                    mediaSender.sendMedia(
+                                        uri = fileToShare.uri,
+                                        mimeType = fileToShare.mimeType,
+                                        compressIfPossible = true,
+                                    ).isSuccess
+                                }
+                                .all { it }
+                        }
+                        .all { it }
+                },
+                onPlainText = { text ->
+                    roomIds
+                        .map { roomId ->
+                            matrixClient.getRoom(roomId)?.sendMessage(
+                                body = text,
+                                htmlBody = null,
+                                mentions = emptyList(),
+                            )?.isSuccess.orFalse()
+                        }
+                        .all { it }
+                }
+            )
+            if (!result) {
+                throw Exception("Failed to handle incoming share intent")
+            }
+            roomIds
+        }.runCatchingUpdatingState(shareActionState)
+    }
+}

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

@@ -0,0 +1,25 @@
+/*
+ * 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 io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.matrix.api.core.RoomId
+
+data class ShareState(
+    val shareAction: AsyncAction<List<RoomId>>,
+    val eventSink: (ShareEvents) -> Unit
+)

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

@@ -0,0 +1,47 @@
+/*
+ * 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 androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.matrix.api.core.RoomId
+
+open class ShareStateProvider : PreviewParameterProvider<ShareState> {
+    override val values: Sequence<ShareState>
+        get() = sequenceOf(
+            aShareState(),
+            aShareState(
+                shareAction = AsyncAction.Loading,
+            ),
+            aShareState(
+                shareAction = AsyncAction.Success(
+                    listOf(RoomId("!room2:domain")),
+                )
+            ),
+            aShareState(
+                shareAction = AsyncAction.Failure(Throwable("error")),
+            ),
+        )
+}
+
+fun aShareState(
+    shareAction: AsyncAction<List<RoomId>> = AsyncAction.Uninitialized,
+    eventSink: (ShareEvents) -> Unit = {}
+) = ShareState(
+    shareAction = shareAction,
+    eventSink = eventSink
+)

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

@@ -0,0 +1,49 @@
+/*
+ * 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 androidx.compose.runtime.Composable
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import io.element.android.libraries.designsystem.components.async.AsyncActionView
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.matrix.api.core.RoomId
+
+@Composable
+fun ShareView(
+    state: ShareState,
+    onShareSuccess: (List<RoomId>) -> Unit,
+) {
+    AsyncActionView(
+        async = state.shareAction,
+        onSuccess = {
+            onShareSuccess(it)
+        },
+        onErrorDismiss = {
+            state.eventSink(ShareEvents.ClearError)
+        },
+    )
+}
+
+@PreviewsDayNight
+@Composable
+internal fun ShareViewPreview(@PreviewParameter(ShareStateProvider::class) state: ShareState) = ElementPreview {
+    ShareView(
+        state = state,
+        onShareSuccess = {}
+    )
+}

libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/compat/Compat.kt

@@ -16,9 +16,32 @@
 
 package io.element.android.libraries.androidutils.compat
 
+import android.content.Intent
 import android.content.pm.ApplicationInfo
 import android.content.pm.PackageManager
+import android.content.pm.ResolveInfo
 import android.os.Build
+import android.os.Parcelable
+
+inline fun <reified T> Intent.getParcelableExtraCompat(key: String): T? = when {
+    Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU -> getParcelableExtra(key, T::class.java)
+    else -> @Suppress("DEPRECATION") getParcelableExtra(key) as? T?
+}
+
+inline fun <reified T : Parcelable> Intent.getParcelableArrayListExtraCompat(key: String): ArrayList<T>? = when {
+    Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU -> getParcelableArrayListExtra(key, T::class.java)
+    else -> @Suppress("DEPRECATION") getParcelableArrayListExtra<T>(key)
+}
+
+fun PackageManager.queryIntentActivitiesCompat(data: Intent, flags: Int): List<ResolveInfo> {
+    return when {
+        Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU -> queryIntentActivities(
+            data,
+            PackageManager.ResolveInfoFlags.of(flags.toLong())
+        )
+        else -> @Suppress("DEPRECATION") queryIntentActivities(data, flags)
+    }
+}
 
 fun PackageManager.getApplicationInfoCompat(packageName: String, flags: Int): ApplicationInfo {
     return when {

libraries/roomselect/api/src/main/kotlin/io/element/android/libraries/roomselect/api/RoomSelectMode.kt

@@ -18,4 +18,5 @@ package io.element.android.libraries.roomselect.api
 
 enum class RoomSelectMode {
     Forward,
+    Share,
 }

libraries/roomselect/impl/src/main/kotlin/io/element/android/libraries/roomselect/impl/RoomSelectStateProvider.kt

@@ -31,29 +31,33 @@ open class RoomSelectStateProvider : PreviewParameterProvider<RoomSelectState> {
         get() = sequenceOf(
             aRoomSelectState(),
             aRoomSelectState(query = "Test", isSearchActive = true),
-            aRoomSelectState(resultState = SearchBarResultState.Results(aForwardMessagesRoomList())),
+            aRoomSelectState(resultState = SearchBarResultState.Results(aRoomSelectRoomList())),
             aRoomSelectState(
-                resultState = SearchBarResultState.Results(aForwardMessagesRoomList()),
+                resultState = SearchBarResultState.Results(aRoomSelectRoomList()),
                 query = "Test",
                 isSearchActive = true,
             ),
             aRoomSelectState(
-                resultState = SearchBarResultState.Results(aForwardMessagesRoomList()),
+                resultState = SearchBarResultState.Results(aRoomSelectRoomList()),
                 query = "Test",
                 isSearchActive = true,
                 selectedRooms = persistentListOf(aRoomSummaryDetails(roomId = RoomId("!room2:domain")))
             ),
-            // Add other states here
+            aRoomSelectState(
+                mode = RoomSelectMode.Share,
+                resultState = SearchBarResultState.Results(aRoomSelectRoomList()),
+            ),
         )
 }
 
 private fun aRoomSelectState(
+    mode: RoomSelectMode = RoomSelectMode.Forward,
     resultState: SearchBarResultState<ImmutableList<RoomSummaryDetails>> = SearchBarResultState.Initial(),
     query: String = "",
     isSearchActive: Boolean = false,
     selectedRooms: ImmutableList<RoomSummaryDetails> = persistentListOf(),
 ) = RoomSelectState(
-    mode = RoomSelectMode.Forward,
+    mode = mode,
     resultState = resultState,
     query = query,
     isSearchActive = isSearchActive,
@@ -61,7 +65,7 @@ private fun aRoomSelectState(
     eventSink = {}
 )
 
-private fun aForwardMessagesRoomList() = persistentListOf(
+private fun aRoomSelectRoomList() = persistentListOf(
     aRoomSummaryDetails(),
     aRoomSummaryDetails(
         roomId = RoomId("!room2:domain"),

libraries/roomselect/impl/src/main/kotlin/io/element/android/libraries/roomselect/impl/RoomSelectView.kt

@@ -105,6 +105,7 @@ fun RoomSelectView(
                     Text(
                         text = when (state.mode) {
                             RoomSelectMode.Forward -> stringResource(CommonStrings.common_forward_message)
+                            RoomSelectMode.Share -> stringResource(CommonStrings.common_send_to)
                         },
                         style = ElementTheme.typography.aliasScreenTitle
                     )

libraries/ui-strings/src/main/res/values/localazy.xml

@@ -197,6 +197,7 @@
   <string name="common_search_results">"Search results"</string>
   <string name="common_security">"Security"</string>
   <string name="common_seen_by">"Seen by"</string>
+  <string name="common_send_to">"Send to"</string>
   <string name="common_sending">"Sending…"</string>
   <string name="common_sending_failed">"Sending failed"</string>
   <string name="common_sent">"Sent"</string>