android: open file in default app (#5413)

* android: open file in default app

* icon

* changes

* changes

* fix

* allow files without extension

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIFileView.kt

@@ -1,12 +1,12 @@
 package chat.simplex.common.views.chat.item
 
-import androidx.compose.foundation.background
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CornerSize
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -184,14 +184,26 @@ fun CIFileView(
     }
   }
 
+  val showOpenSaveMenu = rememberSaveable(file?.fileId) { mutableStateOf(false) }
+  val ext = file?.fileSource?.filePath?.substringAfterLast(".")?.takeIf { it.isNotBlank() }
+  val loadedFilePath = if (appPlatform.isAndroid && file?.fileSource != null) getLoadedFilePath(file) else null
+  if (loadedFilePath != null && file?.fileSource != null) {
+    val encrypted = file.fileSource.cryptoArgs != null
+    SaveOrOpenFileMenu(showOpenSaveMenu, encrypted, ext, File(loadedFilePath).toURI(), file.fileSource, saveFile = { fileAction() })
+  }
   Row(
     Modifier
       .combinedClickable(
-        onClick = { fileAction() },
+        onClick = {
+          if (appPlatform.isAndroid && loadedFilePath != null) {
+            showOpenSaveMenu.value = true
+          } else {
+            fileAction()
+          }
+        },
         onLongClick = { showMenu.value = true }
       )
       .padding(if (smallView) PaddingValues() else PaddingValues(top = 4.sp.toDp(), bottom = 6.sp.toDp(), start = 6.sp.toDp(), end = 12.sp.toDp())),
-    //Modifier.clickable(enabled = file?.fileSource != null) { if (file?.fileSource != null && getLoadedFilePath(file) != null) openFile(file.fileSource) }.padding(top = 4.dp, bottom = 6.dp, start = 6.dp, end = 12.dp),
     verticalAlignment = Alignment.Bottom,
     horizontalArrangement = Arrangement.spacedBy(2.sp.toDp())
   ) {
@@ -223,6 +235,16 @@ fun CIFileView(
 
 fun fileSizeValid(file: CIFile): Boolean = file.fileSize <= getMaxFileSize(file.fileProtocol)
 
+@Composable
+expect fun SaveOrOpenFileMenu(
+  showMenu: MutableState<Boolean>,
+  encrypted: Boolean,
+  ext: String?,
+  encryptedUri: URI,
+  fileSource: CryptoFile,
+  saveFile: () -> Unit
+)
+
 @Composable
 fun rememberSaveFileLauncher(ciFile: CIFile?): FileChooserLauncher =
   rememberFileChooserLauncher(false, ciFile) { to: URI? ->

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/ChatItemView.kt

@@ -867,6 +867,32 @@ fun ItemAction(text: String, icon: Painter, color: Color = Color.Unspecified, on
   }
 }
 
+@Composable
+fun ItemAction(text: String, icon: ImageBitmap, textColor: Color = Color.Unspecified, iconColor: Color = Color.Unspecified, onClick: () -> Unit) {
+  val finalColor = if (textColor == Color.Unspecified) {
+    MenuTextColor
+  } else textColor
+  DropdownMenuItem(onClick, contentPadding = PaddingValues(horizontal = DEFAULT_PADDING * 1.5f)) {
+    Row(verticalAlignment = Alignment.CenterVertically) {
+      Text(
+        text,
+        modifier = Modifier
+          .fillMaxWidth()
+          .weight(1F)
+          .padding(end = 15.dp),
+        color = finalColor,
+        maxLines = 1,
+        overflow = TextOverflow.Ellipsis
+      )
+      if (iconColor == Color.Unspecified) {
+        Image(icon, text, Modifier.size(22.dp))
+      } else {
+        Icon(icon, text, Modifier.size(22.dp), tint = iconColor)
+      }
+    }
+  }
+}
+
 @Composable
 fun ItemAction(
   text: String,

apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml

@@ -482,6 +482,7 @@
   <string name="loading_remote_file_desc">Please, wait while the file is being loaded from the linked mobile</string>
   <string name="file_error">File error</string>
   <string name="temporary_file_error">Temporary file error</string>
+  <string name="open_with_app">Open with %s</string>
 
   <!-- Voice messages -->
   <string name="voice_message">Voice message</string>