1 files changed, 102 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/home/TopSitesThumbnailView.java b/mobile/android/base/java/org/mozilla/gecko/home/TopSitesThumbnailView.java
new file mode 100644
index 000000000..dd45014b0
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/home/TopSitesThumbnailView.java
@@ -0,0 +1,102 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.home;
+
+import android.support.v4.content.ContextCompat;
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.ThumbnailHelper;
+import org.mozilla.gecko.widget.CropImageView;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PorterDuff.Mode;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+
+/**
+ * A width constrained ImageView to show thumbnails of top and pinned sites.
+ */
+public class TopSitesThumbnailView extends CropImageView {
+    private static final String LOGTAG = "GeckoTopSitesThumbnailView";
+
+    // 27.34% opacity filter for the dominant color.
+    private static final int COLOR_FILTER = 0x46FFFFFF;
+
+    // Default filter color for "Add a bookmark" views.
+    private final int mDefaultColor = ContextCompat.getColor(getContext(), R.color.top_site_default);
+
+    // Stroke width for the border.
+    private final float mStrokeWidth = getResources().getDisplayMetrics().density * 2;
+
+    // Paint for drawing the border.
+    private final Paint mBorderPaint;
+
+    public TopSitesThumbnailView(Context context) {
+        this(context, null);
+
+        // A border will be drawn if needed.
+        setWillNotDraw(false);
+    }
+
+    public TopSitesThumbnailView(Context context, AttributeSet attrs) {
+        this(context, attrs, R.attr.topSitesThumbnailViewStyle);
+    }
+
+    public TopSitesThumbnailView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        // Initialize the border paint.
+        final Resources res = getResources();
+        mBorderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        mBorderPaint.setColor(ContextCompat.getColor(context, R.color.top_site_border));
+        mBorderPaint.setStyle(Paint.Style.STROKE);
+    }
+
+    @Override
+    protected float getAspectRatio() {
+        return ThumbnailHelper.TOP_SITES_THUMBNAIL_ASPECT_RATIO;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+
+        if (getBackground() == null) {
+            mBorderPaint.setStrokeWidth(mStrokeWidth);
+            canvas.drawRect(0, 0, getWidth(), getHeight(), mBorderPaint);
+        }
+    }
+
+    /**
+     * Sets the background color with a filter to reduce the color opacity.
+     *
+     * @param color the color filter to apply over the drawable.
+     */
+    public void setBackgroundColorWithOpacityFilter(int color) {
+        setBackgroundColor(color & COLOR_FILTER);
+    }
+
+    /**
+     * Sets the background to a Drawable by applying the specified color as a filter.
+     *
+     * @param color the color filter to apply over the drawable.
+     */
+    @Override
+    public void setBackgroundColor(int color) {
+        if (color == 0) {
+            color = mDefaultColor;
+        }
+
+        Drawable drawable = getResources().getDrawable(R.drawable.top_sites_thumbnail_bg);
+        drawable.setColorFilter(color, Mode.SRC_ATOP);
+        setBackgroundDrawable(drawable);
+    }
+}