1 files changed, 152 insertions, 0 deletions
diff --git a/src/com/android/launcher3/IconPickerActivity.java b/src/com/android/launcher3/IconPickerActivity.java
new file mode 100644
index 000000000..5f08eda68
--- /dev/null
+++ b/src/com/android/launcher3/IconPickerActivity.java
@@ -0,0 +1,152 @@
+package com.android.launcher3;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.Map;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.res.Resources;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.BaseAdapter;
+import android.widget.GridView;
+import android.widget.ImageView;
+
+public class IconPickerActivity extends Activity {
+
+    public static final String SELECTED_RESOURCE_EXTRA = "selected_resource";
+    public static final String SELECTED_BITMAP_EXTRA = "bitmap";
+    public static final String PACKAGE_NAME_EXTRA = "package";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        ActivityManager activityManager =
+                (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
+        int iconSize = activityManager.getLauncherLargeIconSize();
+        final String pkgName = getIntent().getStringExtra(PACKAGE_NAME_EXTRA);
+
+        GridView gridview = new GridView(this);
+        gridview.setNumColumns(GridView.AUTO_FIT);
+        gridview.setHorizontalSpacing(40);
+        gridview.setVerticalSpacing(40);
+        gridview.setPadding(20, 20, 20, 0);
+        gridview.setFastScrollEnabled(true);
+        gridview.setColumnWidth(iconSize);
+        gridview.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
+
+        gridview.setAdapter(new ImageAdapter(this, pkgName));
+        gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapterView, View v, int position, long id) {
+                Intent in = new Intent();
+                DrawableInfo d = (DrawableInfo) adapterView.getAdapter().getItem(position);
+                in.putExtra(SELECTED_RESOURCE_EXTRA, pkgName + "|" + d.resource_name);
+                in.putExtra(SELECTED_BITMAP_EXTRA, ((BitmapDrawable)d.drawable.get()).getBitmap());
+                setResult(Activity.RESULT_OK, in);
+                finish();
+            }
+        });
+        setContentView(gridview);
+    }
+
+    public class ImageAdapter extends BaseAdapter {
+        private Context mContext;
+        private Resources mResources;
+        private ArrayList<DrawableInfo> mDrawables = new ArrayList<DrawableInfo>();
+
+        public class FetchDrawable extends AsyncTask<Integer, Void, Drawable> {
+            WeakReference<ImageView> mImageView;
+
+            FetchDrawable(ImageView imgView) {
+                mImageView = new WeakReference<ImageView>(imgView);
+            }
+
+            @Override
+            protected Drawable doInBackground(Integer... position) {
+                DrawableInfo info = getItem(position[0]);
+                int itemId = info.resource_id;
+                Drawable d = mResources.getDrawable(itemId);
+                info.drawable = new WeakReference<Drawable>(d);
+                return d;
+            }
+
+            @Override
+            public void onPostExecute(Drawable result) {
+                if (mImageView.get() != null) {
+                    mImageView.get().setImageDrawable(result);
+                }
+            }
+        }
+
+        public ImageAdapter(Context c, String pkgName) {
+            mContext = c;
+            Map<String, String> resources = IconPackHelper.getIconPackResources(c, pkgName);
+            try {
+                mResources = c.getPackageManager().getResourcesForApplication(pkgName);
+                LinkedHashSet<String> drawables = new LinkedHashSet<String>(resources.values());
+                for (String s : drawables) {
+                    int id = mResources.getIdentifier(s, "drawable", pkgName);
+                    if (id != 0) {
+                        mDrawables.add(new DrawableInfo(s, id));
+                    }
+                }
+            } catch (NameNotFoundException e) {
+            }
+        }
+
+        public int getCount() {
+            return mDrawables.size();
+        }
+
+        public DrawableInfo getItem(int position) {
+            return mDrawables.get(position);
+        }
+
+        public long getItemId(int position) {
+            return 0;
+        }
+
+        public View getView(final int position, View convertView, ViewGroup parent) {
+            final ImageView imageView;
+            if (convertView == null) {
+                imageView = new ImageView(mContext);
+                imageView.setLayoutParams(new GridView.LayoutParams(
+                        GridView.LayoutParams.WRAP_CONTENT, GridView.LayoutParams.WRAP_CONTENT));
+                imageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
+            } else {
+                imageView = (ImageView) convertView;
+                Object tag = imageView.getTag();
+                if (tag != null && tag instanceof FetchDrawable) {
+                    ((FetchDrawable) tag).cancel(true);
+                }
+            }
+            FetchDrawable req = new FetchDrawable(imageView);
+            imageView.setTag(req);
+            req.execute(position);
+            return imageView;
+        }
+    }
+
+    private class DrawableInfo {
+        WeakReference<Drawable> drawable;
+        final String resource_name;
+        final int resource_id;
+        DrawableInfo(String n, int i) {
+            resource_name = n;
+            resource_id = i;
+        }
+    }
+}