1 files changed, 92 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/themes/provider/util/LiveLockScreenPreviewGenerator.java b/src/org/cyanogenmod/themes/provider/util/LiveLockScreenPreviewGenerator.java
new file mode 100644
index 0000000..8d09e90
--- /dev/null
+++ b/src/org/cyanogenmod/themes/provider/util/LiveLockScreenPreviewGenerator.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2014 The CyanogenMod 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 org.cyanogenmod.themes.provider.util;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.res.ThemeConfig;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.view.View;
+import android.widget.ImageView;
+import org.cyanogenmod.themes.provider.R;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+public class LiveLockScreenPreviewGenerator {
+    private static final String LIVE_LOCK_SCREEN_PREVIEW_PATH = "live-lockscreen/preview";
+    private static final String PNG_EXT = ".png";
+    private static final String JPG_EXT = ".jpg";
+    private static final String JPEG_EXT = ".jpeg";
+
+    private Context mContext;
+
+    public LiveLockScreenPreviewGenerator(Context context) {
+        mContext = context;
+    }
+
+    public LiveLockScreenItems generateLiveLockScreenPreview(String pkgName)
+            throws IOException, PackageManager.NameNotFoundException {
+        final Context themeCtx = mContext.createPackageContext(pkgName, 0);
+        final InputStream is = getPreviewInputStream(themeCtx);
+        Bitmap bmp = null;
+        if (is != null) {
+            bmp = BitmapFactory.decodeStream(is);
+        }
+
+        LiveLockScreenItems items = null;
+        if (bmp != null) {
+            items = new LiveLockScreenItems();
+            items.preview = bmp;
+            items.thumbnail = Bitmap.createScaledBitmap(bmp, bmp.getWidth() / 4,
+                    bmp.getHeight() / 4, true);
+        }
+
+        return items;
+    }
+
+    private InputStream getPreviewInputStream(Context themeContext) throws IOException {
+        InputStream is = null;
+        try {
+            is = themeContext.getAssets().open(LIVE_LOCK_SCREEN_PREVIEW_PATH + PNG_EXT);
+        } catch (FileNotFoundException e) {
+        }
+        if (is == null) {
+            try {
+                is = themeContext.getAssets().open(LIVE_LOCK_SCREEN_PREVIEW_PATH + JPG_EXT);
+            } catch (FileNotFoundException e) {
+            }
+        }
+        if (is == null) {
+            try {
+                is = themeContext.getAssets().open(LIVE_LOCK_SCREEN_PREVIEW_PATH + JPEG_EXT);
+            } catch (FileNotFoundException e) {
+            }
+        }
+        return is;
+    }
+
+    public class LiveLockScreenItems {
+        public Bitmap thumbnail;
+        public Bitmap preview;
+    }
+}