[Architecture] split createroom feature module

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/CreateRoomFlowNode.kt

@@ -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.
+ */
+
+package io.element.android.features.createroom.impl
+
+import android.os.Parcelable
+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.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import com.bumble.appyx.navmodel.backstack.BackStack
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import io.element.android.anvilannotations.ContributesNode
+import io.element.android.features.createroom.impl.root.CreateRoomRootNode
+import io.element.android.libraries.architecture.BackstackNode
+import io.element.android.libraries.architecture.animation.rememberDefaultTransitionHandler
+import io.element.android.libraries.architecture.createNode
+import io.element.android.libraries.di.SessionScope
+import kotlinx.parcelize.Parcelize
+
+@ContributesNode(SessionScope::class)
+class CreateRoomFlowNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+) : BackstackNode<CreateRoomFlowNode.NavTarget>(
+    backstack = BackStack(
+        initialElement = NavTarget.Root,
+        savedStateMap = buildContext.savedStateMap,
+    ),
+    buildContext = buildContext,
+    plugins = plugins
+) {
+
+    sealed interface NavTarget : Parcelable {
+        @Parcelize
+        object Root : NavTarget
+    }
+
+    override fun resolve(navTarget: NavTarget, buildContext: BuildContext): Node {
+        return when (navTarget) {
+            NavTarget.Root -> createNode<CreateRoomRootNode>(buildContext)
+        }
+    }
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        Children(
+            navModel = backstack,
+            modifier = modifier,
+            transitionHandler = rememberDefaultTransitionHandler()
+        )
+    }
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/DefaultCreateRoomEntryPoint.kt

@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl
+
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.features.createroom.api.CreateRoomEntryPoint
+import io.element.android.libraries.architecture.createNode
+import io.element.android.libraries.di.AppScope
+import javax.inject.Inject
+
+@ContributesBinding(AppScope::class)
+class DefaultCreateRoomEntryPoint @Inject constructor() : CreateRoomEntryPoint {
+    override fun createNode(parentNode: Node, buildContext: BuildContext): Node {
+        return parentNode.createNode<CreateRoomFlowNode>(buildContext)
+    }
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootEvents.kt

@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+sealed interface CreateRoomRootEvents {
+    object CreateRoom : CreateRoomRootEvents
+    object InvitePeople : CreateRoomRootEvents
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootNode.kt

@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+import android.os.Parcelable
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+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.libraries.di.SessionScope
+import kotlinx.parcelize.Parcelize
+
+@ContributesNode(SessionScope::class)
+class CreateRoomRootNode @AssistedInject constructor(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+    private val presenter: CreateRoomRootPresenter,
+) : Node(buildContext, plugins = plugins) {
+
+    sealed interface NavTarget : Parcelable {
+        @Parcelize
+        object Root : NavTarget
+    }
+
+    @Composable
+    override fun View(modifier: Modifier) {
+        val state = presenter.present()
+        CreateRoomRootScreen(
+            state = state,
+            modifier = modifier,
+            onClosePressed = this::navigateUp,
+        )
+    }
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootPresenter.kt

@@ -0,0 +1,39 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+import androidx.compose.runtime.Composable
+import io.element.android.libraries.architecture.Presenter
+import javax.inject.Inject
+
+class CreateRoomRootPresenter @Inject constructor() : Presenter<CreateRoomRootState> {
+
+    @Composable
+    override fun present(): CreateRoomRootState {
+
+        fun handleEvents(event: CreateRoomRootEvents) {
+            when (event) {
+                CreateRoomRootEvents.CreateRoom -> Unit // Todo Handle create room action
+                CreateRoomRootEvents.InvitePeople -> Unit // Todo Handle invite people action
+            }
+        }
+
+        return CreateRoomRootState(
+            eventSink = ::handleEvents
+        )
+    }
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootScreen.kt

@@ -0,0 +1,236 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+import androidx.annotation.DrawableRes
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.SearchBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import io.element.android.libraries.designsystem.components.button.BackButton
+import io.element.android.libraries.designsystem.preview.ElementPreviewDark
+import io.element.android.libraries.designsystem.preview.ElementPreviewLight
+import io.element.android.libraries.designsystem.theme.components.CenterAlignedTopAppBar
+import io.element.android.libraries.designsystem.theme.components.DockedSearchBar
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.components.IconButton
+import io.element.android.libraries.designsystem.theme.components.Scaffold
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.designsystem.R as DrawableR
+import io.element.android.libraries.ui.strings.R as StringR
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CreateRoomRootScreen(
+    state: CreateRoomRootState,
+    modifier: Modifier = Modifier,
+    onClosePressed: () -> Unit = {},
+) {
+    var searchText by rememberSaveable { mutableStateOf("") }
+    var isSearchActive by rememberSaveable { mutableStateOf(false) }
+    Scaffold(
+        modifier = modifier.fillMaxWidth(),
+        topBar = {
+            if (!isSearchActive) {
+                CreateRoomRootViewTopBar(onClosePressed = onClosePressed)
+            }
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier.padding(paddingValues),
+            verticalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            CreateRoomSearchBar(
+                modifier = Modifier.fillMaxWidth(),
+                text = searchText,
+                placeHolderTitle = stringResource(StringR.string.search_for_someone),
+                active = isSearchActive,
+                onActiveChanged = { isSearchActive = it },
+                onTextChanged = { searchText = it },
+            )
+
+            if (!isSearchActive) {
+                CreateRoomActionButtonsList(
+                    onNewRoomClicked = { state.eventSink(CreateRoomRootEvents.CreateRoom) },
+                    onInvitePeopleClicked = { state.eventSink(CreateRoomRootEvents.InvitePeople) },
+                )
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CreateRoomRootViewTopBar(
+    modifier: Modifier = Modifier,
+    onClosePressed: () -> Unit = {},
+) {
+    CenterAlignedTopAppBar(
+        modifier = modifier,
+        title = {
+            Text(
+                text = stringResource(id = StringR.string.start_chat),
+                fontSize = 16.sp,
+                fontWeight = FontWeight.SemiBold,
+            )
+        },
+        actions = {
+            IconButton(onClick = onClosePressed) {
+                Icon(imageVector = Icons.Default.Close, contentDescription = stringResource(id = StringR.string.action_close))
+            }
+        }
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CreateRoomSearchBar(
+    text: String,
+    placeHolderTitle: String,
+    active: Boolean,
+    modifier: Modifier = Modifier,
+    onActiveChanged: (Boolean) -> Unit = {},
+    onTextChanged: (String) -> Unit = {},
+) {
+    val focusManager = LocalFocusManager.current
+
+    if (!active) {
+        onTextChanged("")
+        focusManager.clearFocus()
+    }
+
+    DockedSearchBar(
+        query = text,
+        onQueryChange = onTextChanged,
+        onSearch = { focusManager.clearFocus() },
+        active = active,
+        onActiveChange = onActiveChanged,
+        modifier = modifier
+            .padding(horizontal = if (!active) 16.dp else 0.dp),
+        placeholder = {
+            Text(
+                text = placeHolderTitle,
+                modifier = Modifier.alpha(0.4f), // FIXME align on Design system theme (removing alpha should be fine)
+            )
+        },
+        leadingIcon = if (active) {
+            { BackButton(onClick = { onActiveChanged(false) }) }
+        } else null,
+        trailingIcon = {
+            if (active) {
+                IconButton(onClick = { onTextChanged("") }) {
+                    Icon(Icons.Default.Close, stringResource(StringR.string.a11y_clear))
+                }
+            } else {
+                Icon(
+                    imageVector = Icons.Default.Search,
+                    contentDescription = stringResource(StringR.string.search),
+                    modifier = Modifier.alpha(0.4f), // FIXME align on Design system theme (removing alpha should be fine)
+                )
+            }
+        },
+        shape = if (!active) SearchBarDefaults.dockedShape else SearchBarDefaults.fullScreenShape,
+        colors = if (!active) SearchBarDefaults.colors() else SearchBarDefaults.colors(containerColor = Color.Transparent),
+        content = {},
+    )
+}
+
+@Composable
+fun CreateRoomActionButtonsList(
+    modifier: Modifier = Modifier,
+    onNewRoomClicked: () -> Unit = {},
+    onInvitePeopleClicked: () -> Unit = {},
+) {
+    Column(modifier = modifier) {
+        CreateRoomActionButton(
+            iconRes = DrawableR.drawable.ic_groups,
+            text = stringResource(id = StringR.string.new_room),
+            onClick = onNewRoomClicked,
+        )
+        CreateRoomActionButton(
+            iconRes = DrawableR.drawable.ic_share,
+            text = stringResource(id = StringR.string.invite_people_menu),
+            onClick = onInvitePeopleClicked,
+        )
+    }
+}
+
+@Composable
+fun CreateRoomActionButton(
+    @DrawableRes iconRes: Int,
+    text: String,
+    modifier: Modifier = Modifier,
+    onClick: () -> Unit = {},
+) {
+    Row(
+        modifier = modifier
+            .fillMaxWidth()
+            .heightIn(min = 56.dp)
+            .clickable { onClick() }
+            .padding(horizontal = 16.dp),
+        horizontalArrangement = Arrangement.spacedBy(16.dp),
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Icon(
+            modifier = Modifier.alpha(0.5f), // FIXME align on Design system theme (removing alpha should be fine)
+            resourceId = iconRes,
+            contentDescription = null,
+        )
+        Text(text = text)
+    }
+}
+
+@Preview
+@Composable
+fun CreateRoomRootViewLightPreview(@PreviewParameter(CreateRoomRootStateProvider::class) state: CreateRoomRootState) =
+    ElementPreviewLight { ContentToPreview(state) }
+
+@Preview
+@Composable
+fun CreateRoomRootViewDarkPreview(@PreviewParameter(CreateRoomRootStateProvider::class) state: CreateRoomRootState) =
+    ElementPreviewDark { ContentToPreview(state) }
+
+@Composable
+private fun ContentToPreview(state: CreateRoomRootState) {
+    CreateRoomRootScreen(
+        state = state,
+    )
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootState.kt

@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+// TODO add your ui models. Remove the eventSink if you don't have events.
+// Do not use default value, so no member get forgotten in the presenters.
+data class CreateRoomRootState(
+    val eventSink: (CreateRoomRootEvents) -> Unit
+)

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootStateProvider.kt

@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+package io.element.android.features.createroom.impl.root
+
+import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+
+open class CreateRoomRootStateProvider : PreviewParameterProvider<CreateRoomRootState> {
+    override val values: Sequence<CreateRoomRootState>
+        get() = sequenceOf(
+            aCreateRoomRootState(),
+            // Add other state here
+        )
+}
+
+fun aCreateRoomRootState() = CreateRoomRootState(
+    eventSink = {}
+)

features/createroom/impl/src/test/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootPresenterTests.kt

@@ -0,0 +1,55 @@
+/*
+ * 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.
+ */
+
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
+package io.element.android.features.createroom.impl.root
+
+import app.cash.molecule.RecompositionClock
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.features.createroom.impl.root.CreateRoomRootEvents
+import io.element.android.features.createroom.impl.root.CreateRoomRootPresenter
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+class CreateRoomRootPresenterTests {
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val presenter = CreateRoomRootPresenter()
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState)
+        }
+    }
+
+    @Test
+    fun `present - send event`() = runTest {
+        val presenter = CreateRoomRootPresenter()
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            initialState.eventSink(CreateRoomRootEvents.CreateRoom) // Not implemented yet
+            initialState.eventSink(CreateRoomRootEvents.InvitePeople) // Not implemented yet
+        }
+    }
+}