Toggle between primary and managed profile in Print Settings

This adds a spinner to the print settings screen which can be used to toggle
between the Settings app in the primary and managed profile so that the user
can edit settings belonging to both profiles.

Bug: 16369104
Change-Id: I2556a331d09379c2a501bc6b192ab1631b5215f5

src/com/android/settings/drawable/CircleFramedDrawable.java

@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2013 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.settings.drawable;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.PixelFormat;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.drawable.Drawable;
+
+import com.android.settings.R;
+
+/**
+ * Converts the user avatar icon to a circularly clipped one.
+ * TODO: Move this to an internal framework class and share with the one in Keyguard.
+ */
+public class CircleFramedDrawable extends Drawable {
+
+    private final Bitmap mBitmap;
+    private final int mSize;
+    private final Paint mPaint;
+    private final float mShadowRadius;
+    private final float mStrokeWidth;
+    private final int mFrameColor;
+    private final int mHighlightColor;
+    private final int mFrameShadowColor;
+
+    private float mScale;
+    private Path mFramePath;
+    private Rect mSrcRect;
+    private RectF mDstRect;
+    private RectF mFrameRect;
+    private boolean mPressed;
+
+    public static CircleFramedDrawable getInstance(Context context, Bitmap icon) {
+        Resources res = context.getResources();
+        float iconSize = res.getDimension(R.dimen.circle_avatar_size);
+        float strokeWidth = res.getDimension(R.dimen.circle_avatar_frame_stroke_width);
+        float shadowRadius = res.getDimension(R.dimen.circle_avatar_frame_shadow_radius);
+        int frameColor = res.getColor(R.color.circle_avatar_frame_color);
+        int frameShadowColor = res.getColor(R.color.circle_avatar_frame_shadow_color);
+        int highlightColor = res.getColor(R.color.circle_avatar_frame_pressed_color);
+
+        CircleFramedDrawable instance = new CircleFramedDrawable(icon,
+                (int) iconSize, frameColor, strokeWidth, frameShadowColor, shadowRadius,
+                highlightColor);
+        return instance;
+    }
+
+    public CircleFramedDrawable(Bitmap icon, int size,
+            int frameColor, float strokeWidth,
+            int frameShadowColor, float shadowRadius,
+            int highlightColor) {
+        super();
+        mSize = size;
+        mShadowRadius = shadowRadius;
+        mFrameColor = frameColor;
+        mFrameShadowColor = frameShadowColor;
+        mStrokeWidth = strokeWidth;
+        mHighlightColor = highlightColor;
+
+        mBitmap = Bitmap.createBitmap(mSize, mSize, Bitmap.Config.ARGB_8888);
+        final Canvas canvas = new Canvas(mBitmap);
+
+        final int width = icon.getWidth();
+        final int height = icon.getHeight();
+        final int square = Math.min(width, height);
+
+        final Rect cropRect = new Rect((width - square) / 2, (height - square) / 2, square, square);
+        final RectF circleRect = new RectF(0f, 0f, mSize, mSize);
+        circleRect.inset(mStrokeWidth / 2f, mStrokeWidth / 2f);
+        circleRect.inset(mShadowRadius, mShadowRadius);
+
+        final Path fillPath = new Path();
+        fillPath.addArc(circleRect, 0f, 360f);
+
+        canvas.drawColor(0, PorterDuff.Mode.CLEAR);
+
+        // opaque circle matte
+        mPaint = new Paint();
+        mPaint.setAntiAlias(true);
+        mPaint.setColor(Color.BLACK);
+        mPaint.setStyle(Paint.Style.FILL);
+        canvas.drawPath(fillPath, mPaint);
+
+        // mask in the icon where the bitmap is opaque
+        mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_ATOP));
+        canvas.drawBitmap(icon, cropRect, circleRect, mPaint);
+
+        // prepare paint for frame drawing
+        mPaint.setXfermode(null);
+
+        mScale = 1f;
+
+        mSrcRect = new Rect(0, 0, mSize, mSize);
+        mDstRect = new RectF(0, 0, mSize, mSize);
+        mFrameRect = new RectF(mDstRect);
+        mFramePath = new Path();
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        final float inside = mScale * mSize;
+        final float pad = (mSize - inside) / 2f;
+
+        mDstRect.set(pad, pad, mSize - pad, mSize - pad);
+        canvas.drawBitmap(mBitmap, mSrcRect, mDstRect, null);
+
+        mFrameRect.set(mDstRect);
+        mFrameRect.inset(mStrokeWidth / 2f, mStrokeWidth / 2f);
+        mFrameRect.inset(mShadowRadius, mShadowRadius);
+
+        mFramePath.reset();
+        mFramePath.addArc(mFrameRect, 0f, 360f);
+
+        // white frame
+        if (mPressed) {
+            mPaint.setStyle(Paint.Style.FILL);
+            mPaint.setColor(Color.argb((int) (0.33f * 255),
+                            Color.red(mHighlightColor),
+                            Color.green(mHighlightColor),
+                            Color.blue(mHighlightColor)));
+            canvas.drawPath(mFramePath, mPaint);
+        }
+        mPaint.setStrokeWidth(mStrokeWidth);
+        mPaint.setStyle(Paint.Style.STROKE);
+        mPaint.setColor(mPressed ? mHighlightColor : mFrameColor);
+        mPaint.setShadowLayer(mShadowRadius, 0f, 0f, mFrameShadowColor);
+        canvas.drawPath(mFramePath, mPaint);
+    }
+
+    public void setScale(float scale) {
+        mScale = scale;
+    }
+
+    public float getScale() {
+        return mScale;
+    }
+
+    public void setPressed(boolean pressed) {
+        mPressed = pressed;
+    }
+
+    @Override
+    public int getOpacity() {
+        return PixelFormat.TRANSLUCENT;
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter cf) {
+    }
+    
+    @Override
+    public int getIntrinsicWidth() {
+        return mSize;
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        return mSize;
+    }
+}