Merge "Move hard-coded dimens to dimens.xml."
diff --git a/packages/SystemUI/res/layout/signal_cluster_view.xml b/packages/SystemUI/res/layout/signal_cluster_view.xml
index 198e658..c634cd6 100644
--- a/packages/SystemUI/res/layout/signal_cluster_view.xml
+++ b/packages/SystemUI/res/layout/signal_cluster_view.xml
@@ -77,7 +77,7 @@
     </FrameLayout>
     <View
         android:id="@+id/wifi_signal_spacer"
-        android:layout_width="4dp"
+        android:layout_width="@dimen/status_bar_wifi_signal_spacer_width"
         android:layout_height="4dp"
         android:visibility="gone"
         />
@@ -112,7 +112,7 @@
     </FrameLayout>
     <View
         android:id="@+id/wifi_airplane_spacer"
-        android:layout_width="4dp"
+        android:layout_width="@dimen/status_bar_airplane_spacer_width"
         android:layout_height="4dp"
         android:visibility="gone"
         />
diff --git a/packages/SystemUI/res/layout/status_bar.xml b/packages/SystemUI/res/layout/status_bar.xml
index bea9f78..39c16d7 100644
--- a/packages/SystemUI/res/layout/status_bar.xml
+++ b/packages/SystemUI/res/layout/status_bar.xml
@@ -70,7 +70,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:singleLine="true"
-                android:paddingStart="7dp"
+                android:paddingStart="@dimen/status_bar_clock_starting_padding"
+                android:paddingEnd="@dimen/status_bar_clock_end_padding"
                 android:gravity="center_vertical|start"
                 />
         </com.android.keyguard.AlphaOptimizedLinearLayout>
diff --git a/packages/SystemUI/res/layout/system_icons.xml b/packages/SystemUI/res/layout/system_icons.xml
index 943e846..e9448db 100644
--- a/packages/SystemUI/res/layout/system_icons.xml
+++ b/packages/SystemUI/res/layout/system_icons.xml
@@ -30,11 +30,11 @@
         android:id="@+id/signal_cluster"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="2.5dp"/>
+        android:layout_marginStart="@dimen/signal_cluster_margin_start"/>
 
     <!-- battery must be padded below to match assets -->
     <com.android.systemui.BatteryMeterView android:id="@+id/battery"
-        android:layout_height="14.5dp"
-        android:layout_width="9.5dp"
+        android:layout_height="@dimen/status_bar_battery_icon_height"
+        android:layout_width="@dimen/status_bar_battery_icon_width"
         android:layout_marginBottom="@dimen/battery_margin_bottom"/>
 </LinearLayout>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 91ca289..ed40608 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -33,9 +33,30 @@
     <!-- Height of notification icons in the status bar -->
     <dimen name="status_bar_icon_size">@*android:dimen/status_bar_icon_size</dimen>
 
-    <!-- The font size for the clock -->
+    <!-- Height of the battery icon in the status bar. -->
+    <dimen name="status_bar_battery_icon_height">14.5dp</dimen>
+
+    <!-- Width of the battery icon in the status bar. -->
+    <dimen name="status_bar_battery_icon_width">9.5dp</dimen>
+
+    <!-- The font size for the clock in the status bar. -->
     <dimen name="status_bar_clock_size">14sp</dimen>
 
+    <!-- The starting padding for the clock in the status bar. -->
+    <dimen name="status_bar_clock_starting_padding">7dp</dimen>
+
+    <!-- The end padding for the clock in the status bar. -->
+    <dimen name="status_bar_clock_end_padding">0dp</dimen>
+
+    <!-- Spacing after the wifi signals that is present if there are any icons following it. -->
+    <dimen name="status_bar_wifi_signal_spacer_width">4dp</dimen>
+
+    <!-- Spacing before the airplane mode icon if there are any icons preceding it. -->
+    <dimen name="status_bar_airplane_spacer_width">4dp</dimen>
+
+    <!-- The amount to scale each of the status bar icons by. A value of 1 means no scaling. -->
+    <item name="status_bar_icon_scale_factor" format="float" type="dimen">1.0</item>
+
     <!-- Height of a small notification in the status bar-->
     <dimen name="notification_min_height">84dp</dimen>
 
@@ -516,6 +537,9 @@
 
     <dimen name="fake_shadow_size">8dp</dimen>
 
+    <!-- Starting margin before the signal cluster -->
+    <dimen name="signal_cluster_margin_start">2.5dp</dimen>
+
     <!-- Padding between signal cluster and battery icon -->
     <dimen name="signal_cluster_battery_padding">7dp</dimen>
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ScalingDrawableWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/ScalingDrawableWrapper.java
new file mode 100644
index 0000000..24277e6
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ScalingDrawableWrapper.java
@@ -0,0 +1,43 @@
+/*
+ * 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.systemui.statusbar;
+
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.DrawableWrapper;
+
+/**
+ * An extension of {@link DrawableWrapper} that will take a given Drawable and scale it by
+ * the given factor.
+ */
+class ScalingDrawableWrapper extends DrawableWrapper {
+    private float mScaleFactor;
+
+    public ScalingDrawableWrapper(Drawable drawable, float scaleFactor) {
+        super(drawable);
+        mScaleFactor = scaleFactor;
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        return (int) (super.getIntrinsicWidth() * mScaleFactor);
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        return (int) (super.getIntrinsicHeight() * mScaleFactor);
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index 68e483c..6801e5f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -16,16 +16,18 @@
 
 package com.android.systemui.statusbar;
 
+import android.annotation.DrawableRes;
 import android.content.Context;
 import android.content.res.ColorStateList;
+import android.content.res.Resources;
 import android.graphics.Color;
-import android.graphics.PorterDuff;
 import android.graphics.drawable.Animatable;
 import android.graphics.drawable.Drawable;
 import android.telephony.SubscriptionInfo;
 import android.util.ArraySet;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -86,10 +88,11 @@
     View mWifiSignalSpacer;
     LinearLayout mMobileSignalGroup;
 
-    private int mWideTypeIconStartPadding;
-    private int mSecondaryTelephonyPadding;
-    private int mEndPadding;
-    private int mEndPaddingNothingVisible;
+    private final int mWideTypeIconStartPadding;
+    private final int mSecondaryTelephonyPadding;
+    private final int mEndPadding;
+    private final int mEndPaddingNothingVisible;
+    private final float mIconScaleFactor;
 
     private boolean mBlockAirplane;
     private boolean mBlockMobile;
@@ -106,6 +109,17 @@
 
     public SignalClusterView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
+
+        Resources res = getResources();
+        mWideTypeIconStartPadding = res.getDimensionPixelSize(R.dimen.wide_type_icon_start_padding);
+        mSecondaryTelephonyPadding = res.getDimensionPixelSize(R.dimen.secondary_telephony_padding);
+        mEndPadding = res.getDimensionPixelSize(R.dimen.signal_cluster_battery_padding);
+        mEndPaddingNothingVisible = res.getDimensionPixelSize(
+                R.dimen.no_signal_cluster_battery_padding);
+
+        TypedValue typedValue = new TypedValue();
+        res.getValue(R.dimen.status_bar_icon_scale_factor, typedValue, true);
+        mIconScaleFactor = typedValue.getFloat();
     }
 
     @Override
@@ -146,19 +160,6 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mWideTypeIconStartPadding = getContext().getResources().getDimensionPixelSize(
-                R.dimen.wide_type_icon_start_padding);
-        mSecondaryTelephonyPadding = getContext().getResources().getDimensionPixelSize(
-                R.dimen.secondary_telephony_padding);
-        mEndPadding = getContext().getResources().getDimensionPixelSize(
-                R.dimen.signal_cluster_battery_padding);
-        mEndPaddingNothingVisible = getContext().getResources().getDimensionPixelSize(
-                R.dimen.no_signal_cluster_battery_padding);
-    }
-
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
 
         mVpn            = (ImageView) findViewById(R.id.vpn);
         mEthernetGroup  = (ViewGroup) findViewById(R.id.ethernet_combo);
@@ -174,6 +175,32 @@
         mWifiAirplaneSpacer =         findViewById(R.id.wifi_airplane_spacer);
         mWifiSignalSpacer =           findViewById(R.id.wifi_signal_spacer);
         mMobileSignalGroup = (LinearLayout) findViewById(R.id.mobile_signal_group);
+
+        maybeScaleVpnAndNoSimsIcons();
+    }
+
+    /**
+     * Extracts the icon off of the VPN and no sims views and maybe scale them by
+     * {@link #mIconScaleFactor}. Note that the other icons are not scaled here because they are
+     * dynamic. As such, they need to be scaled each time the icon changes in {@link #apply()}.
+     */
+    private void maybeScaleVpnAndNoSimsIcons() {
+        if (mIconScaleFactor == 1.f) {
+            return;
+        }
+
+        mVpn.setImageDrawable(new ScalingDrawableWrapper(mVpn.getDrawable(), mIconScaleFactor));
+
+        mNoSims.setImageDrawable(
+                new ScalingDrawableWrapper(mNoSims.getDrawable(), mIconScaleFactor));
+        mNoSimsDark.setImageDrawable(
+                new ScalingDrawableWrapper(mNoSimsDark.getDrawable(), mIconScaleFactor));
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+
         for (PhoneState state : mPhoneStates) {
             mMobileSignalGroup.addView(state.mMobileGroup);
         }
@@ -185,14 +212,7 @@
 
     @Override
     protected void onDetachedFromWindow() {
-        mVpn            = null;
-        mEthernetGroup  = null;
-        mEthernet       = null;
-        mWifiGroup      = null;
-        mWifi           = null;
-        mAirplane       = null;
         mMobileSignalGroup.removeAllViews();
-        mMobileSignalGroup = null;
         TunerService.get(mContext).removeTunable(this);
 
         super.onDetachedFromWindow();
@@ -383,8 +403,8 @@
 
         if (mEthernetVisible) {
             if (mLastEthernetIconId != mEthernetIconId) {
-                mEthernet.setImageResource(mEthernetIconId);
-                mEthernetDark.setImageResource(mEthernetIconId);
+                setIconForView(mEthernet, mEthernetIconId);
+                setIconForView(mEthernetDark, mEthernetIconId);
                 mLastEthernetIconId = mEthernetIconId;
             }
             mEthernetGroup.setContentDescription(mEthernetDescription);
@@ -397,11 +417,10 @@
                 String.format("ethernet: %s",
                     (mEthernetVisible ? "VISIBLE" : "GONE")));
 
-
         if (mWifiVisible) {
             if (mWifiStrengthId != mLastWifiStrengthId) {
-                mWifi.setImageResource(mWifiStrengthId);
-                mWifiDark.setImageResource(mWifiStrengthId);
+                setIconForView(mWifi, mWifiStrengthId);
+                setIconForView(mWifiDark, mWifiStrengthId);
                 mLastWifiStrengthId = mWifiStrengthId;
             }
             mWifiGroup.setContentDescription(mWifiDescription);
@@ -428,7 +447,7 @@
 
         if (mIsAirplaneMode) {
             if (mLastAirplaneIconId != mAirplaneIconId) {
-                mAirplane.setImageResource(mAirplaneIconId);
+                setIconForView(mAirplane, mAirplaneIconId);
                 mLastAirplaneIconId = mAirplaneIconId;
             }
             mAirplane.setContentDescription(mAirplaneContentDescription);
@@ -456,6 +475,21 @@
         setPaddingRelative(0, 0, anythingVisible ? mEndPadding : mEndPaddingNothingVisible, 0);
     }
 
+    /**
+     * Sets the given drawable id on the view. This method will also scale the icon by
+     * {@link #mIconScaleFactor} if appropriate.
+     */
+    private void setIconForView(ImageView imageView, @DrawableRes int iconId) {
+        // Using the imageView's context to retrieve the Drawable so that theme is preserved.
+        Drawable icon = imageView.getContext().getDrawable(iconId);
+
+        if (mIconScaleFactor == 1.f) {
+            imageView.setImageDrawable(icon);
+        } else {
+            imageView.setImageDrawable(new ScalingDrawableWrapper(icon, mIconScaleFactor));
+        }
+    }
+
     public void setIconTint(int tint, float darkIntensity) {
         boolean changed = tint != mIconTint || darkIntensity != mDarkIntensity;
         mIconTint = tint;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
index de7a8db..5a7cf86 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
@@ -24,10 +24,13 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
+import android.graphics.drawable.ScaleDrawable;
 import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
+import android.util.TypedValue;
+import android.view.Gravity;
 import android.view.ViewDebug;
 import android.view.accessibility.AccessibilityEvent;
 import com.android.internal.statusbar.StatusBarIcon;
@@ -189,12 +192,24 @@
      * @return Drawable for this item, or null if the package or item could not
      *         be found
      */
-    public static Drawable getIcon(Context context, StatusBarIcon icon) {
-        int userId = icon.user.getIdentifier();
+    public static Drawable getIcon(Context context, StatusBarIcon statusBarIcon) {
+        int userId = statusBarIcon.user.getIdentifier();
         if (userId == UserHandle.USER_ALL) {
             userId = UserHandle.USER_SYSTEM;
         }
-        return icon.icon.loadDrawableAsUser(context, userId);
+
+        Drawable icon = statusBarIcon.icon.loadDrawableAsUser(context, userId);
+
+        TypedValue typedValue = new TypedValue();
+        context.getResources().getValue(R.dimen.status_bar_icon_scale_factor, typedValue, true);
+        float scaleFactor = typedValue.getFloat();
+
+        // No need to scale the icon, so return it as is.
+        if (scaleFactor == 1.f) {
+            return icon;
+        }
+
+        return new ScalingDrawableWrapper(icon, scaleFactor);
     }
 
     public StatusBarIcon getStatusBarIcon() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
index b16c98e..64fb066 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconController.java
@@ -20,6 +20,7 @@
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.ColorStateList;
+import android.content.res.Resources;
 import android.graphics.Color;
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
@@ -28,6 +29,7 @@
 import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.ArraySet;
+import android.util.TypedValue;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.AnimationUtils;
@@ -122,7 +124,10 @@
         notificationIconArea.addView(mNotificationIconAreaInner);
 
         mStatusIconsKeyguard = (LinearLayout) keyguardStatusBar.findViewById(R.id.statusIcons);
+
         mBatteryMeterView = (BatteryMeterView) statusBar.findViewById(R.id.battery);
+        maybeScaleBatteryMeterView(context);
+
         mClock = (TextView) statusBar.findViewById(R.id.clock);
         mLinearOutSlowIn = AnimationUtils.loadInterpolator(mContext,
                 android.R.interpolator.linear_out_slow_in);
@@ -136,6 +141,30 @@
         TunerService.get(mContext).addTunable(this, ICON_BLACKLIST);
     }
 
+    /**
+     * Looks up the scale factor for status bar icons and scales the battery view by that amount
+     * if appropriate.
+     */
+    private void maybeScaleBatteryMeterView(Context context) {
+        Resources res = context.getResources();
+        TypedValue typedValue = new TypedValue();
+
+        res.getValue(R.dimen.status_bar_icon_scale_factor, typedValue, true);
+        float iconScaleFactor = typedValue.getFloat();
+
+        if (iconScaleFactor == 1.f) {
+            return;
+        }
+
+        float batteryHeight = res.getDimension(R.dimen.status_bar_battery_icon_height);
+        float batteryWidth = res.getDimension(R.dimen.status_bar_battery_icon_width);
+
+        LinearLayout.LayoutParams scaledLayoutParams = new LinearLayout.LayoutParams(
+                (int) (batteryWidth * iconScaleFactor), (int) (batteryHeight * iconScaleFactor));
+
+        mBatteryMeterView.setLayoutParams(scaledLayoutParams);
+    }
+
     @Override
     public void onTuningChanged(String key, String newValue) {
         if (!ICON_BLACKLIST.equals(key)) {
@@ -174,8 +203,12 @@
         boolean blocked = mIconBlacklist.contains(slot);
         StatusBarIconView view = new StatusBarIconView(mContext, slot, null, blocked);
         view.set(icon);
-        mStatusIcons.addView(view, viewIndex, new LinearLayout.LayoutParams(
-                ViewGroup.LayoutParams.WRAP_CONTENT, mIconSize));
+
+        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.WRAP_CONTENT, mIconSize);
+        lp.setMargins(mIconHPadding, 0, mIconHPadding, 0);
+        mStatusIcons.addView(view, viewIndex, lp);
+
         view = new StatusBarIconView(mContext, slot, null, blocked);
         view.set(icon);
         mStatusIconsKeyguard.addView(view, viewIndex, new LinearLayout.LayoutParams(