Use kotlin math

6 files changed, 61 insertions, 29 deletions

diff --git a/app/src/main/kotlin/com/pitchedapps/frost/activities/ImageActivity.kt b/app/src/main/kotlin/com/pitchedapps/frost/activities/ImageActivity.kt
index f05cd6a9..2e92c814 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/activities/ImageActivity.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/activities/ImageActivity.kt
@@ -138,10 +138,7 @@ class ImageActivity : KauBaseActivity() {
 
     // a unique image identifier based on the id (if it exists), and its hash
     private val imageHash: String by lazy {
-        "${Math.abs(
-            FB_IMAGE_ID_MATCHER.find(imageUrl)[1]?.hashCode()
-                ?: 0
-        )}_${Math.abs(imageUrl.hashCode())}"
+        "${abs(FB_IMAGE_ID_MATCHER.find(imageUrl)[1]?.hashCode() ?: 0)}_${abs(imageUrl.hashCode())}"
     }
 
     private lateinit var binding: ActivityImageBinding
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroImageFragments.kt b/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroImageFragments.kt
index 1fd8c76e..53de58af 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroImageFragments.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroImageFragments.kt
@@ -31,6 +31,7 @@ import com.mikepenz.google_material_typeface_library.GoogleMaterial
 import com.pitchedapps.frost.R
 import com.pitchedapps.frost.utils.Prefs
 import com.pitchedapps.frost.utils.launchTabCustomizerActivity
+import java.lang.Math.abs
 
 /**
  * Created by Allan Wang on 2017-07-28.
@@ -69,7 +70,7 @@ abstract class BaseImageIntroFragment(
 
     override fun onPageScrolledImpl(positionOffset: Float) {
         super.onPageScrolledImpl(positionOffset)
-        val alpha = ((1 - Math.abs(positionOffset)) * 255).toInt()
+        val alpha = ((1 - abs(positionOffset)) * 255).toInt()
         //apply alpha to all layers except the phone base
         (0 until imageDrawable.numberOfLayers).forEach {
             val d = imageDrawable.getDrawable(it)
@@ -89,7 +90,9 @@ abstract class BaseImageIntroFragment(
 }
 
 class IntroAccountFragment : BaseImageIntroFragment(
-    R.string.intro_multiple_accounts, R.drawable.intro_phone_nav, R.string.intro_multiple_accounts_desc
+    R.string.intro_multiple_accounts,
+    R.drawable.intro_phone_nav,
+    R.string.intro_multiple_accounts_desc
 ) {
 
     override fun themeFragmentImpl() {
@@ -132,16 +135,26 @@ class IntroTabTouchFragment : BaseImageIntroFragment(
 }
 
 class IntroTabContextFragment : BaseImageIntroFragment(
-    R.string.intro_context_aware, R.drawable.intro_phone_long_press, R.string.intro_context_aware_desc
+    R.string.intro_context_aware,
+    R.drawable.intro_phone_long_press,
+    R.string.intro_context_aware_desc
 ) {
 
     override fun themeFragmentImpl() {
         super.themeFragmentImpl()
         themeImageComponent(Prefs.headerColor, R.id.intro_phone_toolbar)
         themeImageComponent(Prefs.bgColor.colorToForeground(0.1f), R.id.intro_phone_image)
-        themeImageComponent(Prefs.bgColor.colorToForeground(0.2f), R.id.intro_phone_like, R.id.intro_phone_share)
+        themeImageComponent(
+            Prefs.bgColor.colorToForeground(0.2f),
+            R.id.intro_phone_like,
+            R.id.intro_phone_share
+        )
         themeImageComponent(Prefs.bgColor.colorToForeground(0.3f), R.id.intro_phone_comment)
-        themeImageComponent(Prefs.bgColor.colorToForeground(0.1f), R.id.intro_phone_card_1, R.id.intro_phone_card_2)
+        themeImageComponent(
+            Prefs.bgColor.colorToForeground(0.1f),
+            R.id.intro_phone_card_1,
+            R.id.intro_phone_card_2
+        )
         themeImageComponent(
             Prefs.textColor,
             R.id.intro_phone_image_indicator,
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroMainFragments.kt b/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroMainFragments.kt
index 22dd086b..f3d64b32 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroMainFragments.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/intro/IntroMainFragments.kt
@@ -37,6 +37,7 @@ import com.pitchedapps.frost.R
 import com.pitchedapps.frost.activities.IntroActivity
 import com.pitchedapps.frost.utils.Prefs
 import kotlinx.android.synthetic.main.intro_analytics.*
+import kotlin.math.abs
 
 /**
  * Created by Allan Wang on 2017-07-28.
@@ -61,7 +62,7 @@ abstract class BaseIntroFragment(val layoutRes: Int) : Fragment() {
             group.forEach {
                 it.translationX =
                     if (offset > 0) -maxTranslation + i * increment else -(i + 1) * increment
-                it.alpha = 1 - Math.abs(offset)
+                it.alpha = 1 - abs(offset)
             }
         }
     }
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt b/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
index 0b1deb4e..bb5594fe 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/services/FrostNotifications.kt
@@ -49,6 +49,7 @@ import com.pitchedapps.frost.utils.Prefs
 import com.pitchedapps.frost.utils.frostEvent
 import com.pitchedapps.frost.utils.isIndependent
 import java.util.Locale
+import kotlin.math.abs
 
 /**
  * Created by Allan Wang on 2017-07-08.
@@ -93,7 +94,10 @@ enum class NotificationType(
     /**
      * Optional binder to return the request bundle builder
      */
-    internal open fun bindRequest(content: NotificationContent, cookie: String): (BaseBundle.() -> Unit)? = null
+    internal open fun bindRequest(
+        content: NotificationContent,
+        cookie: String
+    ): (BaseBundle.() -> Unit)? = null
 
     private fun bindRequest(intent: Intent, content: NotificationContent) {
         val cookie = content.data.cookie ?: return
@@ -194,7 +198,8 @@ enum class NotificationType(
      */
     fun putContentExtra(intent: Intent, content: NotificationContent): Intent {
         // We will show the notification page for dependent urls. We can trigger a click next time
-        intent.data = Uri.parse(if (content.href.isIndependent) content.href else FbItem.NOTIFICATIONS.url)
+        intent.data =
+            Uri.parse(if (content.href.isIndependent) content.href else FbItem.NOTIFICATIONS.url)
         bindRequest(intent, content)
         return intent
     }
@@ -213,12 +218,16 @@ enum class NotificationType(
     /**
      * Create and submit a new notification with the given [content]
      */
-    private fun createNotification(context: Context, content: NotificationContent): FrostNotification =
+    private fun createNotification(
+        context: Context,
+        content: NotificationContent
+    ): FrostNotification =
         with(content) {
             val intent = createCommonIntent(context, content.data.id)
             putContentExtra(intent, content)
             val group = "${groupPrefix}_${data.id}"
-            val pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+            val pendingIntent =
+                PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
             val notifBuilder = context.frostNotification(channelId)
                 .setContentTitle(title ?: context.string(R.string.frost_name))
                 .setContentText(text)
@@ -257,7 +266,8 @@ enum class NotificationType(
         intent.data = Uri.parse(fbItem.url)
         intent.putExtra(ARG_USER_ID, userId)
         val group = "${groupPrefix}_$userId"
-        val pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+        val pendingIntent =
+            PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
         val notifBuilder = context.frostNotification(channelId)
             .setContentTitle(context.string(R.string.frost_name))
             .setContentText("$count ${context.string(fbItem.titleId)}")
@@ -289,7 +299,7 @@ data class NotificationContent(
     val unread: Boolean
 ) {
 
-    val notifId = Math.abs(id.toInt())
+    val notifId = abs(id.toInt())
 }
 
 /**
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostVideoView.kt b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostVideoView.kt
index f21476fb..351f2236 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostVideoView.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostVideoView.kt
@@ -35,6 +35,9 @@ import com.devbrackets.android.exomedia.ui.widget.VideoView
 import com.pitchedapps.frost.R
 import com.pitchedapps.frost.facebook.formattedFbUrl
 import com.pitchedapps.frost.utils.L
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
 
 /**
  * Created by Allan Wang on 2017-10-13.
@@ -119,11 +122,11 @@ class FrostVideoView @JvmOverloads constructor(
     private fun mapBounds(): Triple<Float, Float, Float> {
         if (videoDimensions.x <= 0f || videoDimensions.y <= 0f) {
             L.d { "Attempted to toggle video expansion when points have not been finalized" }
-            val dimen = Math.min(height, width).toFloat()
+            val dimen = min(height, width).toFloat()
             videoDimensions.set(dimen, dimen)
         }
         val portrait = height > width
-        val scale = Math.min(
+        val scale = min(
             height / (if (portrait) 4f else 2.3f) / videoDimensions.y,
             width / (if (portrait) 2.3f else 4f) / videoDimensions.x
         )
@@ -167,10 +170,8 @@ class FrostVideoView @JvmOverloads constructor(
         v.setOnTouchListener(VideoTouchListener(context))
         setOnVideoSizedChangedListener { intrinsicWidth, intrinsicHeight, pixelWidthHeightRatio ->
             // todo use provided ratio?
-            val ratio = Math.min(
-                width.toFloat() / intrinsicWidth,
-                height.toFloat() / intrinsicHeight.toFloat()
-            )
+            val ratio =
+                min(width.toFloat() / intrinsicWidth, height.toFloat() / intrinsicHeight.toFloat())
             /**
              * Only remap if not expanded and if dimensions have changed
              */
@@ -240,7 +241,7 @@ class FrostVideoView @JvmOverloads constructor(
 
     private fun onHorizontalSwipe(offset: Float) {
         val alpha =
-            Math.max((1f - Math.abs(offset / SWIPE_TO_CLOSE_OFFSET_THRESHOLD)) * 0.5f + 0.5f, 0f)
+            max((1f - abs(offset / SWIPE_TO_CLOSE_OFFSET_THRESHOLD)) * 0.5f + 0.5f, 0f)
         this.alpha = alpha
     }
 
@@ -305,9 +306,9 @@ class FrostVideoView @JvmOverloads constructor(
                         translationX = baseTranslateX - dx
                         onHorizontalSwipe(dx)
                     } else if (checkForDismiss) {
-                        if (Math.abs(event.rawY - downLoc.y) > SWIPE_TO_CLOSE_VERTICAL_THRESHOLD)
+                        if (abs(event.rawY - downLoc.y) > SWIPE_TO_CLOSE_VERTICAL_THRESHOLD)
                             checkForDismiss = false
-                        else if (Math.abs(event.rawX - downLoc.x) > SWIPE_TO_CLOSE_HORIZONTAL_THRESHOLD) {
+                        else if (abs(event.rawX - downLoc.x) > SWIPE_TO_CLOSE_HORIZONTAL_THRESHOLD) {
                             onSwipe = true
                             baseSwipeX = event.rawX
                             baseTranslateX = translationX
@@ -316,7 +317,7 @@ class FrostVideoView @JvmOverloads constructor(
                 }
                 MotionEvent.ACTION_UP -> {
                     if (onSwipe) {
-                        if (Math.abs(baseSwipeX - event.rawX) > SWIPE_TO_CLOSE_OFFSET_THRESHOLD)
+                        if (abs(baseSwipeX - event.rawX) > SWIPE_TO_CLOSE_OFFSET_THRESHOLD)
                             destroy()
                         else
                             animate().translationX(baseTranslateX).setDuration(
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
index 1dd027fd..cbcd1054 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
@@ -43,6 +43,9 @@ import com.pitchedapps.frost.web.FrostJSI
 import com.pitchedapps.frost.web.FrostWebViewClient
 import com.pitchedapps.frost.web.NestedWebView
 import com.pitchedapps.frost.web.shouldUseDesktopAgent
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
 
 /**
  * Created by Allan Wang on 2017-05-29.
@@ -89,7 +92,14 @@ class FrostWebView @JvmOverloads constructor(
         setDownloadListener { url, userAgent, contentDisposition, mimetype, contentLength ->
             context.ctxCoroutine.launchMain {
                 val cookie = db.cookieDao().currentCookie() ?: return@launchMain
-                context.frostDownload(cookie, url, userAgent, contentDisposition, mimetype, contentLength)
+                context.frostDownload(
+                    cookie,
+                    url,
+                    userAgent,
+                    contentDisposition,
+                    mimetype,
+                    contentLength
+                )
             }
         }
         return this
@@ -163,14 +173,14 @@ class FrostWebView @JvmOverloads constructor(
 
     private fun smoothScrollTo(y: Int) {
         ValueAnimator.ofInt(scrollY, y).apply {
-            duration = Math.min(Math.abs(scrollY - y), 500).toLong()
+            duration = min(abs(scrollY - y), 500).toLong()
             interpolator = AnimHolder.fastOutSlowInInterpolator(context)
             addUpdateListener { scrollY = it.animatedValue as Int }
             start()
         }
     }
 
-    private fun smoothScrollBy(y: Int) = smoothScrollTo(Math.max(0, scrollY + y))
+    private fun smoothScrollBy(y: Int) = smoothScrollTo(max(0, scrollY + y))
 
     override var active: Boolean = true
         set(value) {