Merge "Fixing overscroll effect when the navigation bar is opaque" into ub-launcher3-burnaby-polish

src/com/android/launcher3/InvariantDeviceProfile.java

@@ -17,6 +17,7 @@
 package com.android.launcher3;
 
 import android.annotation.TargetApi;
+import android.app.ActivityManager;
 import android.content.Context;
 import android.graphics.Point;
 import android.os.Build;
@@ -84,6 +85,9 @@ public class InvariantDeviceProfile {
     DeviceProfile landscapeProfile;
     DeviceProfile portraitProfile;
 
+    // On Marshmallow the status bar is no longer opaque, when drawn on the right.
+    public boolean isRightInsetOpaque;
+
     InvariantDeviceProfile() {
     }
 
@@ -116,7 +120,7 @@ public class InvariantDeviceProfile {
         defaultLayoutId = dlId;
     }
 
-    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
+    @TargetApi(Build.VERSION_CODES.M)
     InvariantDeviceProfile(Context context) {
         WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
         Display display = wm.getDefaultDisplay();
@@ -167,6 +171,9 @@ public class InvariantDeviceProfile {
                 largeSide, smallSide, true /* isLandscape */);
         portraitProfile = new DeviceProfile(context, this, smallestSize, largestSize,
                 smallSide, largeSide, false /* isLandscape */);
+
+        isRightInsetOpaque = !Utilities.ATLEAST_MARSHMALLOW ||
+                context.getSystemService(ActivityManager.class).isLowRamDevice();
     }
 
     ArrayList<InvariantDeviceProfile> getPredefinedDeviceProfiles() {

src/com/android/launcher3/LauncherRootView.java

@@ -1,17 +1,42 @@
 package com.android.launcher3;
 
 import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 
 public class LauncherRootView extends InsettableFrameLayout {
+
+    private final Paint mOpaquePaint;
+    private boolean mDrawRightInsetBar;
+
     public LauncherRootView(Context context, AttributeSet attrs) {
         super(context, attrs);
+
+        mOpaquePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        mOpaquePaint.setColor(Color.BLACK);
+        mOpaquePaint.setStyle(Paint.Style.FILL);
     }
 
     @Override
     protected boolean fitSystemWindows(Rect insets) {
         setInsets(insets);
+        mDrawRightInsetBar = mInsets.right > 0 && LauncherAppState
+                .getInstance().getInvariantDeviceProfile().isRightInsetOpaque;
+
         return true; // I'll take it from here
     }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        super.dispatchDraw(canvas);
+
+        // If the right inset is opaque, draw a black rectangle to ensure that is stays opaque.
+        if (mDrawRightInsetBar) {
+            int width = getWidth();
+            canvas.drawRect(width - mInsets.right, 0, width, getHeight(), mOpaquePaint);
+        }
+    }
 }

src/com/android/launcher3/PagedView.java

@@ -202,6 +202,9 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
     protected final Rect mInsets = new Rect();
     protected final boolean mIsRtl;
 
+    // When set to true, full screen content and overscroll effect is shited inside by right inset.
+    protected boolean mIgnoreRightInset;
+
     // Edge effect
     private final LauncherEdgeEffect mEdgeGlowLeft = new LauncherEdgeEffect();
     private final LauncherEdgeEffect mEdgeGlowRight = new LauncherEdgeEffect();
@@ -819,7 +822,8 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                     childWidthMode = MeasureSpec.EXACTLY;
                     childHeightMode = MeasureSpec.EXACTLY;
 
-                    childWidth = getViewportWidth() - mInsets.left - mInsets.right;
+                    childWidth = getViewportWidth() - mInsets.left
+                            - (mIgnoreRightInset ? mInsets.right : 0);
                     childHeight = getViewportHeight();
                 }
                 if (referenceChildWidth == 0) {
@@ -1177,8 +1181,10 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                 canvas.rotate(90);
 
                 getEdgeVerticalPostion(sTmpIntPoint);
-                canvas.translate(sTmpIntPoint[0] - display.top, -display.width());
-                mEdgeGlowRight.setSize(sTmpIntPoint[1] - sTmpIntPoint[0], display.width());
+
+                int width = mIgnoreRightInset ? (display.width() - mInsets.right) : display.width();
+                canvas.translate(sTmpIntPoint[0] - display.top, -width);
+                mEdgeGlowRight.setSize(sTmpIntPoint[1] - sTmpIntPoint[0], width);
                 if (mEdgeGlowRight.draw(canvas)) {
                     postInvalidateOnAnimation();
                 }

src/com/android/launcher3/Workspace.java

@@ -455,6 +455,7 @@ public class Workspace extends PagedView
         setWallpaperDimension();
 
         setEdgeGlowColor(getResources().getColor(R.color.workspace_edge_effect_color));
+        mIgnoreRightInset = app.getInvariantDeviceProfile().isRightInsetOpaque;
     }
 
     private void setupLayoutTransition() {