1 files changed, 171 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/prompts/IconGridInput.java b/mobile/android/base/java/org/mozilla/gecko/prompts/IconGridInput.java
new file mode 100644
index 000000000..bc7d7ac20
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/prompts/IconGridInput.java
@@ -0,0 +1,171 @@
+/* -*- 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.prompts;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.mozilla.gecko.GeckoAppShell;
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.util.ResourceDrawableUtils;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.text.TextUtils;
+import android.view.Display;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ArrayAdapter;
+import android.widget.GridView;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class IconGridInput extends PromptInput implements OnItemClickListener {
+    public static final String INPUT_TYPE = "icongrid";
+    public static final String LOGTAG = "GeckoIconGridInput";
+
+    private ArrayAdapter<IconGridItem> mAdapter; // An adapter holding a list of items to show in the grid
+
+    private static int mColumnWidth = -1;  // The maximum width of columns
+    private static int mMaxColumns = -1;  // The maximum number of columns to show
+    private static int mIconSize = -1;    // Size of icons in the grid
+    private int mSelected;                // Current selection
+    private final JSONArray mArray;
+
+    public IconGridInput(JSONObject obj) {
+        super(obj);
+        mArray = obj.optJSONArray("items");
+    }
+
+    @Override
+    public View getView(Context context) throws UnsupportedOperationException {
+        if (mColumnWidth < 0) {
+            // getColumnWidth isn't available on pre-ICS, so we pull it out and assign it here
+            mColumnWidth = context.getResources().getDimensionPixelSize(R.dimen.icongrid_columnwidth);
+        }
+
+        if (mIconSize < 0) {
+            mIconSize = GeckoAppShell.getPreferredIconSize();
+        }
+
+        if (mMaxColumns < 0) {
+            mMaxColumns = context.getResources().getInteger(R.integer.max_icon_grid_columns);
+        }
+
+        // TODO: Dynamically handle size changes
+        final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+        final Display display = wm.getDefaultDisplay();
+        final int screenWidth = display.getWidth();
+        int maxColumns = Math.min(mMaxColumns, screenWidth / mColumnWidth);
+
+        final GridView view = (GridView) LayoutInflater.from(context).inflate(R.layout.icon_grid, null, false);
+        view.setColumnWidth(mColumnWidth);
+
+        final ArrayList<IconGridItem> items = new ArrayList<IconGridItem>(mArray.length());
+        for (int i = 0; i < mArray.length(); i++) {
+            IconGridItem item = new IconGridItem(context, mArray.optJSONObject(i));
+            items.add(item);
+            if (item.selected) {
+                mSelected = i;
+            }
+        }
+
+        view.setNumColumns(Math.min(items.size(), maxColumns));
+        view.setOnItemClickListener(this);
+        // Despite what the docs say, setItemChecked was not moved into the AbsListView class until sometime between
+        // Android 2.3.7 and Android 4.0.3. For other versions the item won't be visually highlighted, BUT we really only
+        // mSelected will still be set so that we default to its behavior.
+        if (mSelected > -1) {
+            view.setItemChecked(mSelected, true);
+        }
+
+        mAdapter = new IconGridAdapter(context, -1, items);
+        view.setAdapter(mAdapter);
+        mView = view;
+        return mView;
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        mSelected = position;
+        notifyListeners(Integer.toString(position));
+    }
+
+    @Override
+    public Object getValue() {
+        return mSelected;
+    }
+
+    @Override
+    public boolean getScrollable() {
+        return true;
+    }
+
+    private class IconGridAdapter extends ArrayAdapter<IconGridItem> {
+        public IconGridAdapter(Context context, int resource, List<IconGridItem> items) {
+            super(context, resource, items);
+        }
+
+        @Override
+        public View getView(int position, View convert, ViewGroup parent) {
+            final Context context = parent.getContext();
+            if (convert == null) {
+                convert = LayoutInflater.from(context).inflate(R.layout.icon_grid_item, parent, false);
+            }
+            bindView(convert, context, position);
+            return convert;
+        }
+
+        private void bindView(View v, Context c, int position) {
+            final IconGridItem item = getItem(position);
+            final TextView text1 = (TextView) v.findViewById(android.R.id.text1);
+            text1.setText(item.label);
+
+            final TextView text2 = (TextView) v.findViewById(android.R.id.text2);
+            if (TextUtils.isEmpty(item.description)) {
+                text2.setVisibility(View.GONE);
+            } else {
+                text2.setVisibility(View.VISIBLE);
+                text2.setText(item.description);
+            }
+
+            final ImageView icon = (ImageView) v.findViewById(R.id.icon);
+            icon.setImageDrawable(item.icon);
+            ViewGroup.LayoutParams lp = icon.getLayoutParams();
+            lp.width = lp.height = mIconSize;
+        }
+    }
+
+    private class IconGridItem {
+        final String label;
+        final String description;
+        final boolean selected;
+        Drawable icon;
+
+        public IconGridItem(final Context context, final JSONObject obj) {
+            label = obj.optString("name");
+            final String iconUrl = obj.optString("iconUri");
+            description = obj.optString("description");
+            selected = obj.optBoolean("selected");
+
+            ResourceDrawableUtils.getDrawable(context, iconUrl, new ResourceDrawableUtils.BitmapLoader() {
+                @Override
+                public void onBitmapFound(Drawable d) {
+                    icon = d;
+                    if (mAdapter != null) {
+                        mAdapter.notifyDataSetChanged();
+                    }
+                }
+            });
+        }
+    }
+}