1 files changed, 142 insertions, 0 deletions
diff --git a/java/com/android/incallui/ThemeColorManager.java b/java/com/android/incallui/ThemeColorManager.java
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+++ b/java/com/android/incallui/ThemeColorManager.java
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+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+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;
+import com.android.contacts.common.util.MaterialColorMapUtils;
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
+import com.android.incallui.call.DialerCall;
+
+/**
+ * Calculates the background color for the in call window. The background color is based on the SIM
+ * and spam status.
+ */
+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
+   * determine the theme color for InCallUI.
+   */
+  @Nullable private PhoneAccountHandle pendingPhoneAccountHandle;
+
+  public ThemeColorManager(MaterialColorMapUtils colorMap) {
+    this.colorMap = colorMap;
+  }
+
+  public void setPendingPhoneAccountHandle(@Nullable PhoneAccountHandle pendingPhoneAccountHandle) {
+    this.pendingPhoneAccountHandle = pendingPhoneAccountHandle;
+  }
+
+  public void onForegroundCallChanged(Context context, @Nullable DialerCall newForegroundCall) {
+    if (newForegroundCall == null) {
+      updateThemeColors(context, pendingPhoneAccountHandle, false);
+    } else {
+      updateThemeColors(context, newForegroundCall.getAccountHandle(), newForegroundCall.isSpam());
+    }
+  }
+
+  private void updateThemeColors(
+      Context context, @Nullable PhoneAccountHandle handle, 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 {
+      @ColorInt int highlightColor = getHighlightColor(context, handle);
+      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;
+    secondaryColor = palette.mSecondaryColor;
+  }
+
+  @ColorInt
+  private static int getHighlightColor(Context context, @Nullable PhoneAccountHandle handle) {
+    if (handle != null) {
+      PhoneAccount account = context.getSystemService(TelecomManager.class).getPhoneAccount(handle);
+      if (account != null) {
+        return account.getHighlightColor();
+      }
+    }
+    return PhoneAccount.NO_HIGHLIGHT_COLOR;
+  }
+
+  @ColorInt
+  public int getPrimaryColor() {
+    return primaryColor;
+  }
+
+  @ColorInt
+  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));
+  }
+}