feat(common-ui): image share (#22)

core-commonui/src/androidMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/di/Utils.kt

@@ -4,6 +4,7 @@ import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communityInfo.Comm
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communitydetail.CommunityDetailViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createcomment.CreateCommentViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createpost.CreatePostViewModel
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.image.ZoomableImageViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.instanceinfo.InstanceInfoViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.navigation.NavigationCoordinator
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.postdetail.PostDetailViewModel
@@ -97,4 +98,9 @@ actual fun getCreatePostViewModel(communityId: Int): CreatePostViewModel {
         parameters = { parametersOf(communityId) }
     )
     return res
+}
+
+actual fun getZoomableImageViewModel(): ZoomableImageViewModel {
+    val res: ZoomableImageViewModel by inject(ZoomableImageViewModel::class.java)
+    return res
 }

core-commonui/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/di/CommonUiModule.kt

@@ -9,6 +9,8 @@ import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createcomment.Crea
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createcomment.CreateCommentViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createpost.CreatePostMviModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createpost.CreatePostViewModel
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.image.ZoomableImageMviModel
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.image.ZoomableImageViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.instanceinfo.InstanceInfoMviModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.instanceinfo.InstanceInfoViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.navigation.DefaultNavigationCoordinator
@@ -114,4 +116,10 @@ val commonUiModule = module {
             postsRepository = get(),
         )
     }
+    factory {
+        ZoomableImageViewModel(
+            mvi = DefaultMviModel(ZoomableImageMviModel.UiState()),
+            shareHelper = get(),
+        )
+    }
 }

core-commonui/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/di/Utils.kt

@@ -4,6 +4,7 @@ import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communityInfo.Comm
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communitydetail.CommunityDetailViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createcomment.CreateCommentViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createpost.CreatePostViewModel
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.image.ZoomableImageViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.instanceinfo.InstanceInfoViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.navigation.NavigationCoordinator
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.postdetail.PostDetailViewModel
@@ -52,4 +53,6 @@ expect fun getCreateCommentViewModel(
 
 expect fun getCreatePostViewModel(
     communityId: Int,
-): CreatePostViewModel
+): CreatePostViewModel
+
+expect fun getZoomableImageViewModel(): ZoomableImageViewModel

core-commonui/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/image/ZoomableImageMviModel.kt

@@ -0,0 +1,14 @@
+package com.github.diegoberaldin.raccoonforlemmy.core.commonui.image
+
+import com.github.diegoberaldin.raccoonforlemmy.core.architecture.MviModel
+
+interface ZoomableImageMviModel :
+    MviModel<ZoomableImageMviModel.Intent, ZoomableImageMviModel.UiState, ZoomableImageMviModel.Effect> {
+    sealed interface Intent {
+        data class Share(val url: String) : Intent
+    }
+
+    data class UiState(val loading: Boolean = false)
+
+    sealed interface Effect
+}

core-commonui/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/image/ZoomableImageScreen.kt

@@ -1,13 +1,14 @@
 package com.github.diegoberaldin.raccoonforlemmy.core.commonui.image
 
-import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Share
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.TopAppBar
@@ -16,11 +17,13 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.ColorFilter
+import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.core.screen.Screen
 import com.github.diegoberaldin.racconforlemmy.core.utils.onClick
+import com.github.diegoberaldin.raccoonforlemmy.core.architecture.bindToLifecycle
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.components.ZoomableImage
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.di.getNavigationCoordinator
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.di.getZoomableImageViewModel
 
 class ZoomableImageScreen(
     private val url: String,
@@ -29,19 +32,33 @@ class ZoomableImageScreen(
     @OptIn(ExperimentalMaterial3Api::class)
     @Composable
     override fun Content() {
+
+        val model = rememberScreenModel { getZoomableImageViewModel() }
+        model.bindToLifecycle(key)
         val navigator = remember { getNavigationCoordinator().getRootNavigator() }
+
         Scaffold(
             topBar = {
                 TopAppBar(
                     title = {},
                     navigationIcon = {
-                        Image(
+                        Icon(
                             modifier = Modifier.onClick {
                                 navigator?.pop()
                             },
                             imageVector = Icons.Default.ArrowBack,
                             contentDescription = null,
-                            colorFilter = ColorFilter.tint(MaterialTheme.colorScheme.onSurface),
+                            tint = MaterialTheme.colorScheme.onSurface,
+                        )
+                    },
+                    actions = {
+                        Icon(
+                            modifier = Modifier.onClick {
+                                model.reduce(ZoomableImageMviModel.Intent.Share(url))
+                            },
+                            imageVector = Icons.Default.Share,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.onSurface,
                         )
                     }
                 )

core-commonui/src/commonMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/image/ZoomableImageViewModel.kt

@@ -0,0 +1,21 @@
+package com.github.diegoberaldin.raccoonforlemmy.core.commonui.image
+
+import cafe.adriel.voyager.core.model.ScreenModel
+import com.github.diegoberaldin.racconforlemmy.core.utils.ShareHelper
+import com.github.diegoberaldin.raccoonforlemmy.core.architecture.DefaultMviModel
+import com.github.diegoberaldin.raccoonforlemmy.core.architecture.MviModel
+
+class ZoomableImageViewModel(
+    private val mvi: DefaultMviModel<ZoomableImageMviModel.Intent, ZoomableImageMviModel.UiState, ZoomableImageMviModel.Effect>,
+    private val shareHelper: ShareHelper,
+) : ScreenModel,
+    MviModel<ZoomableImageMviModel.Intent, ZoomableImageMviModel.UiState, ZoomableImageMviModel.Effect> by mvi {
+
+    override fun reduce(intent: ZoomableImageMviModel.Intent) {
+        when (intent) {
+            is ZoomableImageMviModel.Intent.Share -> {
+                shareHelper.shareImage(intent.url, "image/*")
+            }
+        }
+    }
+}

core-commonui/src/iosMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/core/commonui/di/Utils.kt

@@ -4,6 +4,7 @@ import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communityInfo.Comm
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.communitydetail.CommunityDetailViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createcomment.CreateCommentViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.createpost.CreatePostViewModel
+import com.github.diegoberaldin.raccoonforlemmy.core.commonui.image.ZoomableImageViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.instanceinfo.InstanceInfoViewModel
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.navigation.NavigationCoordinator
 import com.github.diegoberaldin.raccoonforlemmy.core.commonui.postdetail.PostDetailViewModel
@@ -49,9 +50,13 @@ actual fun getCreateCommentViewModel(postId: Int, parentId: Int?): CreateComment
 actual fun getCreatePostViewModel(communityId: Int): CreatePostViewModel =
     CommonUiViewModelHelper.getCreatePostModel(communityId)
 
+actual fun getZoomableImageViewModel(): ZoomableImageViewModel =
+    CommonUiViewModelHelper.zoomableImageModel
+
 object CommonUiViewModelHelper : KoinComponent {
 
     val navigationCoordinator: NavigationCoordinator by inject()
+    val zoomableImageModel: ZoomableImageViewModel by inject()
 
     fun getPostDetailModel(post: PostModel): PostDetailViewModel {
         val model: PostDetailViewModel by inject(

core-utils/src/androidMain/kotlin/com/github/diegoberaldin/racconforlemmy/core/utils/ShareHelper.kt

@@ -0,0 +1,30 @@
+package com.github.diegoberaldin.racconforlemmy.core.utils
+
+import android.content.Context
+import android.content.Intent
+import org.koin.dsl.module
+
+class DefaultShareHelper(
+    private val context: Context,
+) : ShareHelper {
+    override fun shareImage(url: String, mimeType: String) {
+        val sendIntent: Intent = Intent().apply {
+            action = Intent.ACTION_SEND
+            putExtra(Intent.EXTRA_TEXT, url)
+            type = mimeType
+        }
+
+        val shareIntent = Intent.createChooser(sendIntent, null).apply {
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        }
+        context.startActivity(shareIntent)
+    }
+}
+
+actual val shareHelperModule = module {
+    single<ShareHelper> {
+        DefaultShareHelper(
+            context = get(),
+        )
+    }
+}

core-utils/src/commonMain/kotlin/com/github/diegoberaldin/racconforlemmy/core/utils/ShareHelper.kt

@@ -0,0 +1,9 @@
+package com.github.diegoberaldin.racconforlemmy.core.utils
+
+import org.koin.core.module.Module
+
+interface ShareHelper {
+    fun shareImage(url: String, mimeType: String)
+}
+
+expect val shareHelperModule: Module

core-utils/src/iosMain/kotlin/com/github/diegoberaldin/racconforlemmy/core/utils/ShareHelper.kt

@@ -0,0 +1,19 @@
+package com.github.diegoberaldin.racconforlemmy.core.utils
+
+import org.koin.dsl.module
+import platform.UIKit.UIActivityViewController
+import platform.UIKit.UIApplication
+
+class DefaultShareHelper() : ShareHelper {
+    override fun shareImage(url: String, mimeType: String) {
+        val shareActivity = UIActivityViewController(listOf(url), null)
+        val rvc = UIApplication.sharedApplication().keyWindow?.rootViewController
+        rvc?.presentViewController(shareActivity, true, null)
+    }
+}
+
+actual val shareHelperModule = module {
+    single<ShareHelper> {
+        DefaultShareHelper()
+    }
+}

shared/src/androidMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/DiHelper.kt

@@ -1,6 +1,7 @@
 package com.github.diegoberaldin.raccoonforlemmy.di
 
 import com.github.diegoberaldin.racconforlemmy.core.utils.hapticFeedbackModule
+import com.github.diegoberaldin.racconforlemmy.core.utils.shareHelperModule
 import com.github.diegoberaldin.raccoonforlemmy.core.api.di.coreApiModule
 import com.github.diegoberaldin.raccoonforlemmy.core.appearance.di.coreAppearanceModule
 import com.github.diegoberaldin.raccoonforlemmy.core.crashreport.di.crashReportModule
@@ -26,6 +27,7 @@ val sharedHelperModule = module {
         crashReportModule,
         hapticFeedbackModule,
         localizationModule,
+        shareHelperModule,
         homeTabModule,
         inboxTabModule,
         profileTabModule,

shared/src/iosMain/kotlin/com/github/diegoberaldin/raccoonforlemmy/di/DiHelper.kt

@@ -2,6 +2,7 @@ package com.github.diegoberaldin.raccoonforlemmy.di
 
 import com.github.diegoberaldin.racconforlemmy.core.utils.AppInfo
 import com.github.diegoberaldin.racconforlemmy.core.utils.hapticFeedbackModule
+import com.github.diegoberaldin.racconforlemmy.core.utils.shareHelperModule
 import com.github.diegoberaldin.raccoonforlemmy.core.api.di.coreApiModule
 import com.github.diegoberaldin.raccoonforlemmy.core.appearance.di.coreAppearanceModule
 import com.github.diegoberaldin.raccoonforlemmy.core.crashreport.di.crashReportModule
@@ -29,6 +30,7 @@ fun initKoin() {
             crashReportModule,
             hapticFeedbackModule,
             localizationModule,
+            shareHelperModule,
             homeTabModule,
             inboxTabModule,
             profileTabModule,