From ed6f14a20c69da3d221cc1acbaa31e74e837917c Mon Sep 17 00:00:00 2001
From: Alan Viverette <alanv@google.com>
Date: Tue, 26 Aug 2014 14:53:28 -0700
Subject: Make shadow alpha properties public, add lighting values for TV

BUG: 17189722
BUG: 17221975
Change-Id: I4ed477b658fec96ce69fa278f67345dab6bacaa3
---
 api/current.txt                              |  2 ++
 core/java/android/view/ThreadedRenderer.java | 10 ++++-----
 core/res/res/values-television/dimens.xml    | 23 ++++++++++++++++++++
 core/res/res/values/attrs.xml                | 32 +++++++++++++++++++---------
 core/res/res/values/dimens.xml               |  7 ++++++
 core/res/res/values/public.xml               |  2 ++
 core/res/res/values/styles.xml               |  8 -------
 core/res/res/values/symbols.xml              |  1 -
 core/res/res/values/themes.xml               | 11 +++++++---
 packages/SystemUI/res/values/styles.xml      |  5 +----
 10 files changed, 69 insertions(+), 32 deletions(-)
 create mode 100644 core/res/res/values-television/dimens.xml

diff --git a/api/current.txt b/api/current.txt
index 82a2d8b8..76c3717 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -327,6 +327,7 @@ package android {
     field public static final int alwaysRetainTaskState = 16843267; // 0x1010203
     field public static final int amPmBackgroundColor = 16843942; // 0x10104a6
     field public static final int amPmTextColor = 16843941; // 0x10104a5
+    field public static final int ambientShadowAlpha = 16843967; // 0x10104bf
     field public static final int angle = 16843168; // 0x10101a0
     field public static final int animateFirstView = 16843477; // 0x10102d5
     field public static final int animateLayoutChanges = 16843506; // 0x10102f2
@@ -1147,6 +1148,7 @@ package android {
     field public static final int spinnersShown = 16843595; // 0x101034b
     field public static final int splitMotionEvents = 16843503; // 0x10102ef
     field public static final int splitTrack = 16843852; // 0x101044c
+    field public static final int spotShadowAlpha = 16843968; // 0x10104c0
     field public static final int src = 16843033; // 0x1010119
     field public static final int ssp = 16843747; // 0x10103e3
     field public static final int sspPattern = 16843749; // 0x10103e5
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index 50341fc..3af214d 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -99,15 +99,13 @@ public class ThreadedRenderer extends HardwareRenderer {
     private boolean mRootNodeNeedsUpdate;
 
     ThreadedRenderer(Context context, boolean translucent) {
-        final TypedArray a = context.obtainStyledAttributes(
-                null, R.styleable.Lighting, R.attr.lightingStyle, 0);
+        final TypedArray a = context.obtainStyledAttributes(null, R.styleable.Lighting, 0, 0);
         mLightY = a.getDimension(R.styleable.Lighting_lightY, 0);
         mLightZ = a.getDimension(R.styleable.Lighting_lightZ, 0);
         mLightRadius = a.getDimension(R.styleable.Lighting_lightRadius, 0);
-        mAmbientShadowAlpha = Math.round(
-                255 * a.getFloat(R.styleable.Lighting_ambientShadowAlpha, 0));
-        mSpotShadowAlpha = Math.round(
-                255 * a.getFloat(R.styleable.Lighting_spotShadowAlpha, 0));
+        mAmbientShadowAlpha =
+                (int) (255 * a.getFloat(R.styleable.Lighting_ambientShadowAlpha, 0) + 0.5f);
+        mSpotShadowAlpha = (int) (255 * a.getFloat(R.styleable.Lighting_spotShadowAlpha, 0) + 0.5f);
         a.recycle();
 
         long rootNodePtr = nCreateRootRenderNode();
diff --git a/core/res/res/values-television/dimens.xml b/core/res/res/values-television/dimens.xml
new file mode 100644
index 0000000..8266642
--- /dev/null
+++ b/core/res/res/values-television/dimens.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 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.
+-->
+<resources>
+
+     <!-- Lighting and shadow properties -->
+     <dimen name="light_y">-300dp</dimen>
+     <item type="dimen" format="float" name="ambient_shadow_alpha">0.4</item>
+     <item type="dimen" format="float" name="spot_shadow_alpha">0.4</item>
+
+</resources>
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index cc8d7cf..f092f73 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -1012,13 +1012,25 @@
         <!-- The color applied to framework switch thumbs in their normal state. -->
         <attr name="colorSwitchThumbNormal" format="color" />
 
-        <!-- ================== -->
-        <!-- Hardware rendering -->
-        <!-- ================== -->
+        <!-- =================== -->
+        <!-- Lighting properties -->
+        <!-- =================== -->
         <eat-comment />
 
-        <!-- Reference to the Lighting style. -->
-        <attr name="lightingStyle" format="reference" />
+        <!-- @hide The default Y position of the light used to project view shadows. -->
+        <attr name="lightY" format="dimension" />
+
+        <!-- @hide The default Z position of the light used to project view shadows. -->
+        <attr name="lightZ" format="dimension" />
+
+        <!-- @hide The default radius of the light used to project view shadows. -->
+        <attr name="lightRadius" format="dimension" />
+
+        <!-- Alpha value of the ambient shadow projected by elevated views, between 0 and 1. -->
+        <attr name="ambientShadowAlpha" format="float" />
+
+        <!-- Alpha value of the spot shadow projected by elevated views, between 0 and 1. -->
+        <attr name="spotShadowAlpha" format="float" />
     </declare-styleable>
 
     <!-- **************************************************************** -->
@@ -7383,11 +7395,11 @@
 
     <!-- @hide -->
     <declare-styleable name="Lighting">
-        <attr name="lightY" format="dimension" />
-        <attr name="lightZ" format="dimension" />
-        <attr name="lightRadius" format="dimension" />
-        <attr name="ambientShadowAlpha" format="float" />
-        <attr name="spotShadowAlpha" format="float" />
+        <attr name="lightY" />
+        <attr name="lightZ" />
+        <attr name="lightRadius" />
+        <attr name="ambientShadowAlpha" />
+        <attr name="spotShadowAlpha" />
     </declare-styleable>
 
     <declare-styleable name="RestrictionEntry">
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 6fd2bb1..b152c6a 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -405,4 +405,11 @@
 
      <dimen name="text_handle_min_size">40dp</dimen>
 
+     <!-- Lighting and shadow properties -->
+     <dimen name="light_y">-200dp</dimen>
+     <dimen name="light_z">800dp</dimen>
+     <dimen name="light_radius">800dp</dimen>
+     <item type="dimen" format="float" name="ambient_shadow_alpha">0.06</item>
+     <item type="dimen" format="float" name="spot_shadow_alpha">0.16</item>
+
 </resources>
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index f2466f7..36e26dd 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2278,6 +2278,8 @@
   <public type="attr" name="windowSharedElementsUseOverlay" />
   <public type="attr" name="reparent" />
   <public type="attr" name="reparentWithOverlay" />
+  <public type="attr" name="ambientShadowAlpha" />
+  <public type="attr" name="spotShadowAlpha" />
 
   <public-padding type="dimen" name="l_resource_pad" end="0x01050010" />
 
diff --git a/core/res/res/values/styles.xml b/core/res/res/values/styles.xml
index 8fc9bac..5f6f546 100644
--- a/core/res/res/values/styles.xml
+++ b/core/res/res/values/styles.xml
@@ -1355,12 +1355,4 @@ please see styles_device_defaults.xml.
         <item name="padding">16dp</item>
     </style>
 
-    <style name="Lighting">
-        <item name="lightY">-200dp</item>
-        <item name="lightZ">800dp</item>
-        <item name="lightRadius">800dp</item>
-        <item name="ambientShadowAlpha">0.06</item>
-        <item name="spotShadowAlpha">0.16</item>
-    </style>
-
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 3f373aa..ac17753 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1976,7 +1976,6 @@
   <java-symbol type="string" name="whichEditApplicationNamed" />
   <java-symbol type="string" name="whichSendApplication" />
   <java-symbol type="string" name="whichSendApplicationNamed" />
-  <java-symbol type="attr" name="lightingStyle" />
   <java-symbol type="attr" name="lightY" />
   <java-symbol type="attr" name="lightZ" />
   <java-symbol type="attr" name="lightRadius" />
diff --git a/core/res/res/values/themes.xml b/core/res/res/values/themes.xml
index 5445816..48de5ad 100644
--- a/core/res/res/values/themes.xml
+++ b/core/res/res/values/themes.xml
@@ -410,14 +410,19 @@ please see themes_device_defaults.xml.
         <item name="fastScrollPreviewBackgroundLeft">@drawable/menu_submenu_background</item>
         <item name="fastScrollOverlayPosition">floating</item>
         <item name="fastScrollTextColor">@color/primary_text_dark</item>
+
         <!-- Pointer style -->
         <item name="pointerStyle">@style/Pointer</item>
 
-        <!-- Accessibility focused drawable. -->
+        <!-- Accessibility focused drawable -->
         <item name="accessibilityFocusedDrawable">@drawable/view_accessibility_focused</item>
 
-        <!-- Lighting and shadow style. -->
-        <item name="lightingStyle">@style/Lighting</item>
+        <!-- Lighting and shadow properties -->
+        <item name="lightY">@dimen/light_y</item>
+        <item name="lightZ">@dimen/light_z</item>
+        <item name="lightRadius">@dimen/light_radius</item>
+        <item name="ambientShadowAlpha">@dimen/ambient_shadow_alpha</item>
+        <item name="spotShadowAlpha">@dimen/spot_shadow_alpha</item>
     </style>
 
     <!-- Variant of {@link #Theme} with no title bar -->
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 8c1ac9f..b39fe24 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -33,11 +33,8 @@
         <item name="android:navigationBarColor">@android:color/transparent</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
         <item name="android:windowAnimationStyle">@style/Animation.RecentsActivity</item>
-        <item name="*android:lightingStyle">@style/RecentsLighting</item>
-    </style>
 
-    <style name="RecentsLighting" parent="@*android:style/Lighting">
-        <item name="*android:ambientShadowAlpha">0.30</item>
+        <item name="android:ambientShadowAlpha">0.30</item>
     </style>
 
     <!-- Animations for a non-full-screen window or activity. -->
-- 
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