ComposeActivity: reimplement markdown mode again after pointless java->kotlin transition

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt

@@ -85,6 +85,7 @@ import javax.inject.Inject
 import kotlin.collections.ArrayList
 import kotlin.math.max
 import kotlin.math.min
+import me.thanel.markdownedit.MarkdownEdit
 
 class ComposeActivity : BaseActivity(),
         ComposeOptionsListener,
@@ -295,6 +296,7 @@ class ComposeActivity : BaseActivity(),
                 maximumTootCharacters = instanceData.maxChars
                 updateVisibleCharactersLeft()
                 composeScheduleButton.visible(instanceData.supportsScheduled)
+                composeMarkdownButton.visible(instanceData.supportsFormatting)
             }
             viewModel.emoji.observe { emoji -> setEmojiList(emoji) }
             combineLiveData(viewModel.markMediaAsSensitive, viewModel.showContentWarning) { markSensitive, showContentWarning ->
@@ -354,8 +356,14 @@ class ComposeActivity : BaseActivity(),
         composeHideMediaButton.setOnClickListener { toggleHideMedia() }
         composeScheduleButton.setOnClickListener { onScheduleClick() }
         composeScheduleView.setResetOnClickListener { resetSchedule() }
+        composeMarkdownButton.setOnClickListener { toggleMarkdownMode() }
         atButton.setOnClickListener { atButtonClicked() }
         hashButton.setOnClickListener { hashButtonClicked() }
+        codeButton.setOnClickListener { codeButtonClicked() }
+        linkButton.setOnClickListener { linkButtonClicked() }
+        strikethroughButton.setOnClickListener { strikethroughButtonClicked() }
+        italicButton.setOnClickListener { italicButtonClicked() }
+        boldButton.setOnClickListener { boldButtonClicked() }
 
         val textColor = ThemeUtils.getColor(this, android.R.attr.textColorTertiary)
 
@@ -413,6 +421,26 @@ class ComposeActivity : BaseActivity(),
         composeEditField.setSelection(start + text.length)
     }
     
+    private fun toggleMarkdownMode() {
+        viewModel.toggleMarkdownMode()
+        
+        enableMarkdownWYSIWYGButtons(viewModel.markdownMode)
+        
+        TransitionManager.beginDelayedTransition(composeMarkdownButton.parent as ViewGroup);
+        
+        @ColorInt val color = ThemeUtils.getColor(this, if(viewModel.markdownMode) R.attr.colorPrimary else android.R.attr.textColorTertiary);
+        composeMarkdownButton.drawable.colorFilter = PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN);
+    }
+    
+    private fun enableMarkdownWYSIWYGButtons(visible: Boolean) {
+        val visibility = if(visible) View.VISIBLE else View.GONE
+        codeButton.visibility = visibility
+        linkButton.visibility = visibility
+        strikethroughButton.visibility = visibility
+        italicButton.visibility = visibility
+        boldButton.visibility = visibility
+    }
+
     private fun atButtonClicked() {
         replaceTextAtCaret("@")
     }
@@ -421,6 +449,26 @@ class ComposeActivity : BaseActivity(),
         replaceTextAtCaret("#")
     }
     
+    private fun codeButtonClicked() {
+        MarkdownEdit.addCode(composeEditField);
+    }
+    
+    private fun linkButtonClicked() {
+        MarkdownEdit.addLink(composeEditField);
+    }
+    
+    private fun strikethroughButtonClicked() {
+        MarkdownEdit.addStrikeThrough(composeEditField);
+    }
+    
+    private fun italicButtonClicked() {
+        MarkdownEdit.addItalic(composeEditField);
+    }
+    
+    private fun boldButtonClicked() {
+        MarkdownEdit.addBold(composeEditField);
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         if (currentInputContentInfo != null) {
             outState.putParcelable("commitContentInputContentInfo",
@@ -430,6 +478,7 @@ class ComposeActivity : BaseActivity(),
         currentInputContentInfo = null
         currentFlags = 0
         outState.putParcelable("photoUploadUri", photoUploadUri)
+        outState.putParcelable("markdownMode", viewModel.markdownMode)
         super.onSaveInstanceState(outState)
     }
 
@@ -485,6 +534,7 @@ class ComposeActivity : BaseActivity(),
         composeEmojiButton.isClickable = enable
         composeHideMediaButton.isClickable = enable
         composeScheduleButton.isClickable = enable
+        composeMarkdownButton.isClickable = enable
         composeTootButton.isEnabled = enable
     }
 

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt

@@ -61,15 +61,17 @@ class ComposeViewModel
     private var startingContentWarning: String? = null
     private var inReplyToId: String? = null
     private var startingVisibility: Status.Visibility = Status.Visibility.UNKNOWN
-
     private val instance: MutableLiveData<InstanceEntity?> = MutableLiveData()
+    public val markdownMode: Boolean = false
 
     val instanceParams: LiveData<ComposeInstanceParams> = instance.map { instance ->
         ComposeInstanceParams(
                 maxChars = instance?.maximumTootCharacters ?: DEFAULT_CHARACTER_LIMIT,
                 pollMaxOptions = instance?.maxPollOptions ?: DEFAULT_MAX_OPTION_COUNT,
                 pollMaxLength = instance?.maxPollOptionLength ?: DEFAULT_MAX_OPTION_LENGTH,
-                supportsScheduled = instance?.version?.let { VersionUtils(it).supportsScheduledToots() } ?: false
+                supportsScheduled = instance?.version?.let { VersionUtils(it).supportsScheduledToots() } ?: false,
+                supportsFormatting = instance?.version?.let { VersionUtils(it).isPleroma() } ?: false
+                hasNoAttachmentLimits = instance?.version?.let { VersionUtils(it).isPleroma() } ?: false
         )
     }
     val emoji: MutableLiveData<List<Emoji>?> = MutableLiveData()
@@ -85,6 +87,10 @@ class ComposeViewModel
     val poll: MutableLiveData<NewPoll?> = mutableLiveData(null)
     val scheduledAt: MutableLiveData<String?> = mutableLiveData(null)
     
+    fun toggleMarkdownMode() {
+        this.markdownMode = !this.markdownMode!!
+    }
+
     val media = mutableLiveData<List<QueuedMedia>>(listOf())
     val uploadError = MutableLiveData<Throwable>()
 
@@ -219,7 +225,8 @@ class ComposeViewModel
                 replyingStatusContent,
                 replyingStatusAuthor,
                 statusVisibility.value!!,
-                poll.value
+                poll.value,
+                markdownMode
         )
     }
 
@@ -257,6 +264,7 @@ class ComposeViewModel
                             poll = poll.value,
                             replyingStatusContent = null,
                             replyingStatusAuthorUsername = null,
+                            markdownMode = markdownMode,
                             savedJsonUrls = null,
                             accountId = accountManager.activeAccount!!.id,
                             savedTootUid = 0,
@@ -449,5 +457,7 @@ data class ComposeInstanceParams(
         val maxChars: Int,
         val pollMaxOptions: Int,
         val pollMaxLength: Int,
-        val supportsScheduled: Boolean
+        val supportsScheduled: Boolean,
+        val supportsFormatting: Boolean,
+        val hasNoAttachmentLimits: Boolean,
 )