From 399e313f2c727083ac569d58de3761e3c6017401 Mon Sep 17 00:00:00 2001
From: rhettor <rhettor@gmail.com>
Date: Mon, 21 Aug 2017 15:18:21 +0800
Subject: [PATCH] Adding motionless behavior mode

---
 app/src/main/res/layout/activity_three_tabs.xml     |  1 +
 .../main/java/com/roughike/bottombar/BottomBar.java | 11 +++++++++--
 .../java/com/roughike/bottombar/BottomBarTab.java   | 13 +++++++++----
 bottom-bar/src/main/res/values/attrs.xml            |  1 +
 4 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/app/src/main/res/layout/activity_three_tabs.xml b/app/src/main/res/layout/activity_three_tabs.xml
index e1684096..e15c7273 100644
--- a/app/src/main/res/layout/activity_three_tabs.xml
+++ b/app/src/main/res/layout/activity_three_tabs.xml
@@ -17,6 +17,7 @@
         android:layout_width="match_parent"
         android:layout_height="60dp"
         android:layout_alignParentBottom="true"
+        app:bb_behavior="motionless"
         app:bb_tabXmlResource="@xml/bottombar_tabs_three" />
 
 </RelativeLayout>
\ No newline at end of file
diff --git a/bottom-bar/src/main/java/com/roughike/bottombar/BottomBar.java b/bottom-bar/src/main/java/com/roughike/bottombar/BottomBar.java
index 350cc316..8b207bf3 100644
--- a/bottom-bar/src/main/java/com/roughike/bottombar/BottomBar.java
+++ b/bottom-bar/src/main/java/com/roughike/bottombar/BottomBar.java
@@ -61,6 +61,7 @@ public class BottomBar extends LinearLayout implements View.OnClickListener, Vie
     private static final int BEHAVIOR_SHY = 2;
     private static final int BEHAVIOR_DRAW_UNDER_NAV = 4;
     private static final int BEHAVIOR_ICONS_ONLY = 8;
+    private static final int BEHAVIOR_MOTIONLESS = 16;
 
     private BatchTabPropertyApplier batchPropertyApplier;
     private int primaryColor;
@@ -239,6 +240,10 @@ private boolean isIconsOnlyMode() {
         return !isTabletMode && hasBehavior(BEHAVIOR_ICONS_ONLY);
     }
 
+    private boolean isMotionlessMode() {
+        return !isTabletMode && hasBehavior(BEHAVIOR_MOTIONLESS);
+    }
+
     private boolean hasBehavior(int behavior) {
         return (behaviors | behavior) == behaviors;
     }
@@ -337,6 +342,8 @@ private void updateItems(final List<BottomBarTab> bottomBarItems) {
 
             if (isShiftingMode()) {
                 type = BottomBarTab.Type.SHIFTING;
+            } else if (isMotionlessMode()) {
+                type = BottomBarTab.Type.MOTIONLESS;
             } else if (isTabletMode) {
                 type = BottomBarTab.Type.TABLET;
             } else {
@@ -918,8 +925,8 @@ private void handleClick(BottomBarTab newTab) {
             return;
         }
 
-        oldTab.deselect(true);
-        newTab.select(true);
+        oldTab.deselect(!isMotionlessMode());
+        newTab.select(!isMotionlessMode());
 
         shiftingMagic(oldTab, newTab, true);
         handleBackgroundColorChange(newTab, true);
diff --git a/bottom-bar/src/main/java/com/roughike/bottombar/BottomBarTab.java b/bottom-bar/src/main/java/com/roughike/bottombar/BottomBarTab.java
index d33e1e30..bd7f944c 100644
--- a/bottom-bar/src/main/java/com/roughike/bottombar/BottomBarTab.java
+++ b/bottom-bar/src/main/java/com/roughike/bottombar/BottomBarTab.java
@@ -118,6 +118,7 @@ void prepareLayout() {
     int getLayoutResource() {
         int layoutResource;
         switch (type) {
+            case MOTIONLESS:
             case FIXED:
                 layoutResource = R.layout.bb_bottom_bar_item_fixed;
                 break;
@@ -384,13 +385,16 @@ public Typeface getTitleTypeFace() {
     void select(boolean animate) {
         isActive = true;
 
+        boolean isMotionless = type == Type.MOTIONLESS;
+        int iconPaddingTop = isMotionless  ? eightDps : sixDps;
+
         if (animate) {
             animateIcon(activeAlpha, ACTIVE_SHIFTING_TITLELESS_ICON_SCALE);
             animateTitle(sixDps, ACTIVE_TITLE_SCALE, activeAlpha);
             animateColors(inActiveColor, activeColor);
         } else {
             setTitleScale(ACTIVE_TITLE_SCALE);
-            setTopPadding(sixDps);
+            setTopPadding(iconPaddingTop);
             setIconScale(ACTIVE_SHIFTING_TITLELESS_ICON_SCALE);
             setColors(activeColor);
             setAlphas(activeAlpha);
@@ -407,9 +411,10 @@ void deselect(boolean animate) {
         isActive = false;
 
         boolean isShifting = type == Type.SHIFTING;
+        boolean isMotionless = type == Type.MOTIONLESS;
 
-        float titleScale = isShifting ? 0 : INACTIVE_FIXED_TITLE_SCALE;
-        int iconPaddingTop = isShifting ? sixteenDps : eightDps;
+        float titleScale = isMotionless ? ACTIVE_TITLE_SCALE: isShifting ? 0 : INACTIVE_FIXED_TITLE_SCALE;
+        int iconPaddingTop = isMotionless ? eightDps : isShifting ? sixteenDps : eightDps;
 
         if (animate) {
             animateTitle(iconPaddingTop, titleScale, inActiveAlpha);
@@ -637,7 +642,7 @@ void restoreState(Bundle savedInstanceState) {
     }
 
     enum Type {
-        FIXED, SHIFTING, TABLET
+        MOTIONLESS, FIXED, SHIFTING, TABLET
     }
 
     public static class Config {
diff --git a/bottom-bar/src/main/res/values/attrs.xml b/bottom-bar/src/main/res/values/attrs.xml
index 8b382f4d..dbec2385 100644
--- a/bottom-bar/src/main/res/values/attrs.xml
+++ b/bottom-bar/src/main/res/values/attrs.xml
@@ -8,6 +8,7 @@
             <flag name="shy" value="2" />
             <flag name="underNavbar" value="4" />
             <flag name="iconsOnly" value="8" />
+            <flag name="motionless" value="16" />
         </attr>
         <attr name="bb_longPressHintsEnabled" format="boolean" />
         <attr name="bb_inActiveTabAlpha" format="float" />