1 files changed, 50 insertions, 2 deletions
diff --git a/java/com/android/incallui/ThemeColorManager.java b/java/com/android/incallui/ThemeColorManager.java
index 967fae9ff..1d4c287be 100644
--- a/java/com/android/incallui/ThemeColorManager.java
+++ b/java/com/android/incallui/ThemeColorManager.java
@@ -17,8 +17,10 @@
 package com.android.incallui;
 
 import android.content.Context;
+import android.graphics.Color;
 import android.support.annotation.ColorInt;
 import android.support.annotation.Nullable;
+import android.support.v4.graphics.ColorUtils;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
@@ -34,6 +36,10 @@ public class ThemeColorManager {
   private final MaterialColorMapUtils colorMap;
   @ColorInt private int primaryColor;
   @ColorInt private int secondaryColor;
+  @ColorInt private int backgroundColorTop;
+  @ColorInt private int backgroundColorMiddle;
+  @ColorInt private int backgroundColorBottom;
+  @ColorInt private int backgroundColorSolid;
 
   /**
    * If there is no actual call currently in the call list, this will be used as a fallback to
@@ -51,21 +57,38 @@ public class ThemeColorManager {
 
   public void onForegroundCallChanged(Context context, @Nullable DialerCall newForegroundCall) {
     if (newForegroundCall == null) {
-      updateThemeColors(getHighlightColor(context, pendingPhoneAccountHandle), false);
+      updateThemeColors(context, getHighlightColor(context, pendingPhoneAccountHandle), false);
     } else {
       updateThemeColors(
+          context,
           getHighlightColor(context, newForegroundCall.getAccountHandle()),
           newForegroundCall.isSpam());
     }
   }
 
-  private void updateThemeColors(@ColorInt int highlightColor, boolean isSpam) {
+  private void updateThemeColors(Context context, @ColorInt int highlightColor, boolean isSpam) {
     MaterialPalette palette;
     if (isSpam) {
       palette =
           colorMap.calculatePrimaryAndSecondaryColor(R.color.incall_call_spam_background_color);
+      backgroundColorTop = context.getColor(R.color.incall_background_gradient_spam_top);
+      backgroundColorMiddle = context.getColor(R.color.incall_background_gradient_spam_middle);
+      backgroundColorBottom = context.getColor(R.color.incall_background_gradient_spam_bottom);
+      backgroundColorSolid = context.getColor(R.color.incall_background_multiwindow_spam);
     } else {
       palette = colorMap.calculatePrimaryAndSecondaryColor(highlightColor);
+      backgroundColorTop = context.getColor(R.color.incall_background_gradient_top);
+      backgroundColorMiddle = context.getColor(R.color.incall_background_gradient_middle);
+      backgroundColorBottom = context.getColor(R.color.incall_background_gradient_bottom);
+      backgroundColorSolid = context.getColor(R.color.incall_background_multiwindow);
+      if (highlightColor != PhoneAccount.NO_HIGHLIGHT_COLOR) {
+        // The default background gradient has a subtle alpha. We grab that alpha and apply it to
+        // the phone account color.
+        backgroundColorTop = applyAlpha(palette.mPrimaryColor, backgroundColorTop);
+        backgroundColorMiddle = applyAlpha(palette.mPrimaryColor, backgroundColorMiddle);
+        backgroundColorBottom = applyAlpha(palette.mPrimaryColor, backgroundColorBottom);
+        backgroundColorSolid = applyAlpha(palette.mPrimaryColor, backgroundColorSolid);
+      }
     }
 
     primaryColor = palette.mPrimaryColor;
@@ -92,4 +115,29 @@ public class ThemeColorManager {
   public int getSecondaryColor() {
     return secondaryColor;
   }
+
+  @ColorInt
+  public int getBackgroundColorTop() {
+    return backgroundColorTop;
+  }
+
+  @ColorInt
+  public int getBackgroundColorMiddle() {
+    return backgroundColorMiddle;
+  }
+
+  @ColorInt
+  public int getBackgroundColorBottom() {
+    return backgroundColorBottom;
+  }
+
+  @ColorInt
+  public int getBackgroundColorSolid() {
+    return backgroundColorSolid;
+  }
+
+  @ColorInt
+  private static int applyAlpha(@ColorInt int color, @ColorInt int sourceColorWithAlpha) {
+    return ColorUtils.setAlphaComponent(color, Color.alpha(sourceColorWithAlpha));
+  }
 }