1 files changed, 135 insertions, 0 deletions
diff --git a/src/com/android/settings/widget/SetupWizardHeader.java b/src/com/android/settings/widget/SetupWizardHeader.java
new file mode 100644
index 0000000..43c8676
--- /dev/null
+++ b/src/com/android/settings/widget/SetupWizardHeader.java
@@ -0,0 +1,135 @@
+/*
+ * 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.
+ */
+
+
+package com.android.settings.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+/*
+ * Copied from com.google.android.setupwizard.util.SetupWizardHeader
+ */
+public class SetupWizardHeader extends FrameLayout {
+
+    // Size the baseline grid in pixels
+    private float mBaselineGridSize;
+    private Drawable mBackground;
+    private Drawable mForeground;
+    private int mForegroundHeight;
+    private float mScale = 1.0f;
+
+    public SetupWizardHeader(Context context) {
+        super(context);
+        init();
+    }
+
+    public SetupWizardHeader(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        initFromAttributes(context, attrs);
+    }
+
+    public SetupWizardHeader(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        initFromAttributes(context, attrs);
+    }
+
+    public SetupWizardHeader(Context context, AttributeSet attrs, int defStyleAttr,
+                             int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        initFromAttributes(context, attrs);
+    }
+
+    private void initFromAttributes(Context context, AttributeSet attrs) {
+        TypedArray a = context.obtainStyledAttributes(attrs,
+                new int[] { android.R.attr.foreground });
+        setForeground(a.getDrawable(0));
+        init();
+    }
+
+    protected void init() {
+        // Number of pixels of the 8dp baseline grid as defined in material design specs
+        mBaselineGridSize = getResources().getDisplayMetrics().density * 8;
+        setWillNotDraw(false);
+    }
+
+    /**
+     * The background will be drawn to fill up the rest of the view. It will also be scaled by the
+     * same amount as the foreground so their textures look the same.
+     */
+    @Override
+    public void setBackground(Drawable background) {
+        mBackground = background;
+    }
+
+    /**
+     * Sets the drawable used as the illustration. THe drawable is expected to have intrinsic
+     * width and height defined and will be scaled to fit the width of the view.
+     */
+    public void setForeground(Drawable foreground) {
+        mForeground = foreground;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        int illustrationHeight = MeasureSpec.getSize(widthMeasureSpec) / 2;
+        illustrationHeight -= illustrationHeight % mBaselineGridSize;
+        setPadding(0, illustrationHeight, 0, 0);
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        final int layoutWidth = right - left;
+        final int layoutHeight = bottom - top;
+        if (mForeground != null) {
+            // Scale the foreground to fill the width of the view
+            mScale = layoutWidth / (float) mForeground.getIntrinsicWidth();
+            mForegroundHeight = (int) (mForeground.getIntrinsicHeight() * mScale);
+            mForeground.setBounds(0, 0, layoutWidth, mForegroundHeight);
+        }
+        if (mBackground != null) {
+            // Scale the bounds by mScale to compensate for the scale done to the canvas before
+            // drawing.
+            mBackground.setBounds(0, 0, (int) (layoutWidth / mScale),
+                    (int) ((layoutHeight - mForegroundHeight) / mScale));
+        }
+        super.onLayout(changed, left, top, right, bottom);
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        if (mBackground != null) {
+            // Draw the background filling parts not covered by the illustration
+            int saveCount = canvas.save();
+            canvas.translate(0, mForegroundHeight);
+            // Scale the background so its size matches the foreground
+            canvas.scale(mScale, mScale, 0, 0);
+            mBackground.draw(canvas);
+            canvas.restoreToCount(saveCount);
+        }
+        if (mForeground != null) {
+            // Draw the illustration
+            mForeground.draw(canvas);
+        }
+        super.onDraw(canvas);
+    }
+}
+