mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
83 lines
2.7 KiB
Kotlin
83 lines
2.7 KiB
Kotlin
package com.geeksville.mesh.model
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import android.os.RemoteException
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import androidx.lifecycle.MutableLiveData
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import com.geeksville.android.Logging
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import com.geeksville.mesh.DataPacket
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import com.geeksville.mesh.MessageStatus
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class MessagesState(private val ui: UIViewModel) : Logging {
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/* We now provide fake messages a via MockInterface
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private val testTexts = listOf(
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DataPacket(
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"+16508765310",
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"I found the cache"
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),
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DataPacket(
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"+16508765311",
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"Help! I've fallen and I can't get up."
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)
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) */
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/// This is the inner storage for messages
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private val messagesList = emptyList<DataPacket>().toMutableList()
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// If the following (unused otherwise) line is commented out, the IDE preview window works.
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// if left in the preview always renders as empty.
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val messages =
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object : MutableLiveData<List<DataPacket>>(messagesList) {
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}
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fun setMessages(m: List<DataPacket>) {
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messagesList.clear()
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messagesList.addAll(m)
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messages.value = messagesList
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}
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/// add a message our GUI list of past msgs
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fun addMessage(m: DataPacket) {
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debug("Adding message to view id=${m.id}")
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// FIXME - don't just slam in a new list each time, it probably causes extra drawing.
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messagesList.add(m)
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messages.value = messagesList
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}
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fun updateStatus(id: Int, status: MessageStatus) {
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// Super inefficent but this is rare
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debug("Handling message status change $id: $status")
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messagesList.find { it.id == id }?.let { p ->
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// Note: it seems that the service is keeping only a reference to our original packet (so it has already updated p.status)
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// This seems to be an AIDL optimization when both the service and the client are in the same process. But we still want to trigger
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// a GUI update
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// if (p.status != status) {
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p.status = status
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// Trigger an expensive complete redraw FIXME
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messages.value = messagesList
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// }
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}
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}
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/// Send a message and added it to our GUI log
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fun sendMessage(str: String, dest: String = DataPacket.ID_BROADCAST) {
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val service = ui.meshService
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val p = DataPacket(dest, str)
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if (service != null)
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try {
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service.send(p)
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} catch (ex: RemoteException) {
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p.errorMessage = "Error: ${ex.message}"
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}
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else
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p.errorMessage = "Error: No Mesh service"
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// FIXME - why is the first time we are called p is already in the list at this point?
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addMessage(p)
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}
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}
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