Add RoomListItemView.kt

rocket-chat-android-widgets/src/main/java/chat/rocket/android/widget/internal/RoomListItemView.kt

+package chat.rocket.android.widget.internal
+
+import android.annotation.TargetApi
+import android.content.Context
+import android.content.res.TypedArray
+import android.graphics.drawable.Drawable
+import android.os.Build
+import android.support.annotation.ColorRes
+import android.support.annotation.StringRes
+import android.support.graphics.drawable.VectorDrawableCompat
+import android.util.AttributeSet
+import android.view.View
+import android.widget.FrameLayout
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+
+import chat.rocket.android.widget.R
+import chat.rocket.android.widget.helper.DrawableHelper
+
+/**
+ * Room list-item view used in sidebar.
+ */
+class RoomListItemView : FrameLayout {
+    lateinit private var roomId: String
+    lateinit private var roomTypeImage: ImageView
+    lateinit private var userStatusImage: ImageView
+    lateinit private var roomNameText: TextView
+    lateinit private var alertCountText: TextView
+    lateinit private var privateChannelDrawable: Drawable
+    lateinit private var publicChannelDrawable: Drawable
+    lateinit private var userStatusDrawable: Drawable
+
+    constructor(context: Context) : super(context) {
+        initialize(context)
+    }
+
+    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
+        initialize(context)
+    }
+
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
+        initialize(context)
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes) {
+        initialize(context)
+    }
+
+    private fun initialize(context: Context) {
+        layoutParams = LinearLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT)
+
+        val array = context
+                .theme
+                .obtainStyledAttributes(intArrayOf(R.attr.selectableItemBackground))
+
+        background = array.getDrawable(0)
+        array.recycle()
+
+        View.inflate(context, R.layout.room_list_item, this)
+
+        roomTypeImage = findViewById(R.id.image_room_type)
+        userStatusImage = findViewById(R.id.image_user_status)
+        roomNameText = findViewById(R.id.text_room_name)
+        alertCountText = findViewById(R.id.text_alert_count)
+
+        privateChannelDrawable = VectorDrawableCompat.create(resources, R.drawable.ic_lock_white_24dp, null)!!
+        publicChannelDrawable = VectorDrawableCompat.create(resources, R.drawable.ic_hashtag_white_24dp, null)!!
+        userStatusDrawable = VectorDrawableCompat.create(resources, R.drawable.ic_user_status_black_24dp, null)!!
+    }
+
+    fun setRoomId(roomId: String) {
+        this.roomId = roomId
+    }
+
+    fun setUnreadCount(count: Int) {
+        if (count > 0) {
+            alertCountText.text = count.toString()
+            alertCountText.visibility = View.VISIBLE
+        } else {
+            alertCountText.visibility = View.GONE
+        }
+    }
+
+    fun setAlert(alert: Boolean) {
+        alpha = if (alert) 1.0f else 0.62f
+    }
+
+    fun setRoomName(roomName: String) {
+        roomNameText.text = roomName
+    }
+
+    fun showPrivateChannelIcon() {
+        roomTypeImage.setImageDrawable(privateChannelDrawable)
+        userStatusImage.visibility = View.GONE
+        roomTypeImage.visibility = View.VISIBLE
+    }
+
+    fun showPublicChannelIcon() {
+        roomTypeImage.setImageDrawable(publicChannelDrawable)
+        userStatusImage.visibility = View.GONE
+        roomTypeImage.visibility = View.VISIBLE
+    }
+
+    fun showOnlineUserStatusIcon() {
+        prepareDrawableAndShow(R.color.color_user_status_online)
+    }
+
+    fun showBusyUserStatusIcon() {
+        prepareDrawableAndShow(R.color.color_user_status_busy)
+    }
+
+    fun showAwayUserStatusIcon() {
+        prepareDrawableAndShow(R.color.color_user_status_away)
+    }
+
+    fun showOfflineUserStatusIcon() {
+        prepareDrawableAndShow(R.color.color_user_status_offline)
+    }
+
+    private fun prepareDrawableAndShow(@ColorRes resId: Int) {
+        DrawableHelper.wrapDrawable(userStatusDrawable)
+        DrawableHelper.tintDrawable(userStatusDrawable, context, resId)
+        userStatusImage.setImageDrawable(userStatusDrawable)
+        roomTypeImage.visibility = View.GONE
+        userStatusImage.visibility = View.VISIBLE
+    }
+}
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