Makes Amethyst a share target for texts, images and videos.

amethyst/src/main/AndroidManifest.xml

@@ -103,6 +103,24 @@
                 <data android:scheme="nostr+walletconnect" />
             </intent-filter>
 
+            <intent-filter android:label="New Post">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="text/plain" />
+            </intent-filter>
+
+            <intent-filter android:label="New Post">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="video/*" />
+            </intent-filter>
+
+            <intent-filter android:label="New Post">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="image/*" />
+            </intent-filter>
+
             <meta-data
                 android:name="android.app.lib_name"
                 android:value="" />

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppNavigation.kt

@@ -23,6 +23,8 @@ package com.vitorpamplona.amethyst.ui.navigation
 import android.content.Context
 import android.content.ContextWrapper
 import android.content.Intent
+import android.net.Uri
+import android.os.Parcelable
 import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
@@ -291,6 +293,11 @@ fun AppNavigation(
                 popEnterTransition = { scaleIn },
                 popExitTransition = { slideOutVerticallyToBottom },
             ) {
+                val draftMessage = it.message()
+                val attachment =
+                    it.arguments?.getString("attachment")?.ifBlank { null }?.let {
+                        Uri.parse(it)
+                    }
                 val baseReplyTo = it.arguments?.getString("baseReplyTo")
                 val quote = it.arguments?.getString("quote")
                 val fork = it.arguments?.getString("fork")
@@ -298,6 +305,8 @@ fun AppNavigation(
                 val draft = it.arguments?.getString("draft")
                 val enableMessageInterface = it.arguments?.getBoolean("enableMessageInterface") ?: false
                 NewPostScreen(
+                    message = draftMessage,
+                    attachment = attachment,
                     baseReplyTo = baseReplyTo?.let { hex -> accountViewModel.getNoteIfExists(hex) },
                     quote = quote?.let { hex -> accountViewModel.getNoteIfExists(hex) },
                     fork = fork?.let { hex -> accountViewModel.getNoteIfExists(hex) },
@@ -326,6 +335,15 @@ private fun NavigateIfIntentRequested(
     val activity = LocalContext.current.getActivity()
     var newAccount by remember { mutableStateOf<String?>(null) }
 
+    if (activity.intent.action == Intent.ACTION_SEND) {
+        activity.intent.getStringExtra(Intent.EXTRA_TEXT)?.let {
+            nav.newStack(buildNewPostRoute(draftMessage = it))
+        }
+
+        (activity.intent.getParcelableExtra<Parcelable>(Intent.EXTRA_STREAM) as? Uri)?.let {
+            nav.newStack(buildNewPostRoute(attachment = it))
+        }
+    } else {
         var currentIntentNextPage by remember {
             mutableStateOf(
                 activity.intent
@@ -373,6 +391,15 @@ private fun NavigateIfIntentRequested(
         DisposableEffect(nav, activity) {
             val consumer =
                 Consumer<Intent> { intent ->
+                    if (intent.action == Intent.ACTION_SEND) {
+                        intent.getStringExtra(Intent.EXTRA_TEXT)?.let {
+                            nav.newStack(buildNewPostRoute(draftMessage = it))
+                        }
+
+                        (intent.getParcelableExtra<Parcelable>(Intent.EXTRA_STREAM) as? Uri)?.let {
+                            nav.newStack(buildNewPostRoute(attachment = it))
+                        }
+                    } else {
                         val uri = intent.data?.toString()
                         if (!uri.isNullOrBlank()) {
                             // navigation functions
@@ -400,6 +427,7 @@ private fun NavigateIfIntentRequested(
                             }
                         }
                     }
+                }
             activity.addOnNewIntentListener(consumer)
             onDispose { activity.removeOnNewIntentListener(consumer) }
         }
@@ -408,6 +436,7 @@ private fun NavigateIfIntentRequested(
             AddAccountDialog(newAccount, accountStateViewModel) { newAccount = null }
         }
     }
+}
 
 fun Context.getActivity(): MainActivity {
     if (this is MainActivity) return this

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/Routes.kt

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.navigation
 
+import android.net.Uri
 import android.os.Bundle
 import androidx.compose.foundation.layout.size
 import androidx.compose.runtime.Immutable
@@ -39,6 +40,7 @@ import com.vitorpamplona.amethyst.ui.theme.Size25dp
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
+import java.net.URLEncoder
 
 @Immutable
 sealed class Route(
@@ -223,10 +225,12 @@ sealed class Route(
 
     object NewPost :
         Route(
-            route = "NewPost?baseReplyTo={baseReplyTo}&quote={quote}&fork={fork}&version={version}&draft={draft}&enableMessageInterface={enableMessageInterface}",
+            route = "NewPost?message={message}&attachment={attachment}&baseReplyTo={baseReplyTo}&quote={quote}&fork={fork}&version={version}&draft={draft}&enableMessageInterface={enableMessageInterface}",
             icon = R.drawable.ic_moments,
             arguments =
                 listOf(
+                    navArgument("message") { type = NavType.StringType },
+                    navArgument("attachment") { type = NavType.StringType },
                     navArgument("baseReplyTo") { type = NavType.StringType },
                     navArgument("quote") { type = NavType.StringType },
                     navArgument("fork") { type = NavType.StringType },
@@ -287,6 +291,8 @@ private fun getRouteWithArguments(
 }
 
 fun buildNewPostRoute(
+    draftMessage: String? = null,
+    attachment: Uri? = null,
     baseReplyTo: String? = null,
     quote: String? = null,
     fork: String? = null,
@@ -295,6 +301,8 @@ fun buildNewPostRoute(
     enableMessageInterface: Boolean = false,
 ): String =
     "NewPost?" +
+        "message=${draftMessage?.let { URLEncoder.encode(it, "utf-8") } ?: ""}&" +
+        "attachment=${attachment?.let { URLEncoder.encode(it.toString(), "utf-8") } ?: ""}&" +
         "baseReplyTo=${baseReplyTo ?: ""}&" +
         "quote=${quote ?: ""}&" +
         "fork=${fork ?: ""}&" +

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/NewPostScreen.kt

@@ -194,6 +194,8 @@ import java.lang.Math.round
 @OptIn(ExperimentalMaterial3Api::class, FlowPreview::class)
 @Composable
 fun NewPostScreen(
+    message: String? = null,
+    attachment: Uri? = null,
     baseReplyTo: Note? = null,
     quote: Note? = null,
     fork: Note? = null,
@@ -231,6 +233,12 @@ fun NewPostScreen(
     LaunchedEffect(Unit) {
         launch(Dispatchers.IO) {
             postViewModel.load(accountViewModel, baseReplyTo, quote, fork, version, draft)
+            message?.ifBlank { null }?.let {
+                postViewModel.updateMessage(TextFieldValue(it))
+            }
+            attachment?.let {
+                postViewModel.selectImage(it)
+            }
         }
     }
 
@@ -318,16 +326,16 @@ fun NewPostScreen(
         ) {
             Column(
                 modifier =
-                    Modifier.fillMaxSize().padding(
+                    Modifier.fillMaxSize(),
-                        start = Size10dp,
-                        end = Size10dp,
-                    ),
             ) {
                 Row(
                     modifier =
                         Modifier
                             .fillMaxWidth()
-                            .weight(1f),
+                            .padding(
+                                start = Size10dp,
+                                end = Size10dp,
+                            ).weight(1f),
                 ) {
                     Column(
                         modifier =

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chatrooms/ChatroomScreen.kt

@@ -387,7 +387,7 @@ fun PrepareChatroomViewModels(
     }
 
     if (draftMessage != null) {
-        LaunchedEffect(key1 = draftMessage) { newPostModel.message = TextFieldValue(draftMessage) }
+        LaunchedEffect(key1 = draftMessage) { newPostModel.updateMessage(TextFieldValue(draftMessage)) }
     }
 
     ChatroomScreen(

amethyst/src/test/java/com/vitorpamplona/amethyst/UrlDecoderTest.kt

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst
+
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import java.net.URLDecoder
+import java.net.URLEncoder
+
+class UrlDecoderTest {
+    val uri = "content://com.google.android.apps.photos.contentprovider/0/1/content%3A%2F%2Fmedia%2Fexternal%2Fimages%2Fmedia%2F1000023553/REQUIRE_ORIGINAL/NONE/image%2Fjpeg/913263593"
+
+    @Test
+    fun testRecursiveDecoding() {
+        val encoded = URLEncoder.encode(uri, "utf-8")
+        assertEquals("content%3A%2F%2Fcom.google.android.apps.photos.contentprovider%2F0%2F1%2Fcontent%253A%252F%252Fmedia%252Fexternal%252Fimages%252Fmedia%252F1000023553%2FREQUIRE_ORIGINAL%2FNONE%2Fimage%252Fjpeg%2F913263593", encoded)
+
+        val decoded = URLDecoder.decode(encoded, "utf-8")
+        assertEquals(uri, decoded)
+    }
+}