Use files instead of blobs

Previews columns now uses file paths instead of saving bitmap blobs
in database.

Depends on:
http://review.cyanogenmod.org/#/c/96836/
http://review.cyanogenmod.org/#/c/97431/
http://review.cyanogenmod.org/#/c/97754/
http://gerrit.cyngn.com/#/c/11983/

Change-Id: Ie3ba8008f78b8e94dc1acf53e6b991a8311437dc

4 files changed, 53 insertions, 27 deletions

diff --git a/src/com/cyngn/theme/chooser/ComponentSelector.java b/src/com/cyngn/theme/chooser/ComponentSelector.java
index 25d25a8..d693c7e 100644
--- a/src/com/cyngn/theme/chooser/ComponentSelector.java
+++ b/src/com/cyngn/theme/chooser/ComponentSelector.java
@@ -527,16 +527,16 @@ public class ComponentSelector extends LinearLayout
         int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
 
         ((ImageView) v.findViewById(R.id.slot1)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, wifiIndex));
+                Utils.loadBitmapFile(cursor, wifiIndex));
         ((ImageView) v.findViewById(R.id.slot2)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, signalIndex));
+                Utils.loadBitmapFile(cursor, signalIndex));
         ((ImageView) v.findViewById(R.id.slot3)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, bluetoothIndex));
+                Utils.loadBitmapFile(cursor, bluetoothIndex));
         ((ImageView) v.findViewById(R.id.slot4)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, batteryIndex));
+                Utils.loadBitmapFile(cursor, batteryIndex));
         setTitle(((TextView) v.findViewById(R.id.title)), cursor);
         v.findViewById(R.id.container).setBackground(
-                new BitmapDrawable(Utils.loadBitmapBlob(cursor, backgroundIndex)));
+                new BitmapDrawable(Utils.loadBitmapFile(cursor, backgroundIndex)));
         v.setTag(cursor.getString(pkgNameIndex));
         v.setOnClickListener(mItemClickListener);
         return v;
@@ -551,10 +551,10 @@ public class ComponentSelector extends LinearLayout
         int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
 
         ((ImageView) v.findViewById(R.id.back)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, backIndex));
+                Utils.loadBitmapFile(cursor, backIndex));
         setTitle(((TextView) v.findViewById(R.id.title)), cursor);
         v.findViewById(R.id.container).setBackground(
-                new BitmapDrawable(Utils.loadBitmapBlob(cursor, backgroundIndex)));
+                new BitmapDrawable(Utils.loadBitmapFile(cursor, backgroundIndex)));
         v.setTag(cursor.getString(pkgNameIndex));
         v.setOnClickListener(mItemClickListener);
         return v;
@@ -586,7 +586,7 @@ public class ComponentSelector extends LinearLayout
         int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
 
         ((ImageView) v.findViewById(R.id.icon)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, iconIndex));
+                Utils.loadBitmapFile(cursor, iconIndex));
         setTitle(((TextView) v.findViewById(R.id.title)), cursor);
         v.setTag(cursor.getString(pkgNameIndex));
         v.setOnClickListener(mItemClickListener);
@@ -601,7 +601,7 @@ public class ComponentSelector extends LinearLayout
         int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
 
         ((ImageView) v.findViewById(R.id.icon)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, styleIndex));
+                Utils.loadBitmapFile(cursor, styleIndex));
         setTitle(((TextView) v.findViewById(R.id.title)), cursor);
         v.setTag(cursor.getString(pkgNameIndex));
         v.setOnClickListener(mItemClickListener);
@@ -626,7 +626,7 @@ public class ComponentSelector extends LinearLayout
             cursor.moveToPosition(position - EXTRA_WALLPAPER_COMPONENTS);
             int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
             iv.setImageBitmap(
-                    Utils.loadBitmapBlob(cursor, wallpaperIndex));
+                    Utils.loadBitmapFile(cursor, wallpaperIndex));
             setTitle(((TextView) v.findViewById(R.id.title)), cursor);
             v.setTag(cursor.getString(pkgNameIndex));
         }
@@ -642,7 +642,7 @@ public class ComponentSelector extends LinearLayout
         int pkgNameIndex = cursor.getColumnIndex(ThemesContract.ThemesColumns.PKG_NAME);
 
         ((ImageView) v.findViewById(R.id.preview)).setImageBitmap(
-                Utils.loadBitmapBlob(cursor, wallpaperIndex));
+                Utils.loadBitmapFile(cursor, wallpaperIndex));
         setTitle(((TextView) v.findViewById(R.id.title)), cursor);
         v.setTag(cursor.getString(pkgNameIndex));
         v.setOnClickListener(mItemClickListener);
@@ -784,4 +784,4 @@ public class ComponentSelector extends LinearLayout
         public void onSelectorOpened();
         public void onSelectorClosed();
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/cyngn/theme/chooser/MyThemeFragment.java b/src/com/cyngn/theme/chooser/MyThemeFragment.java
index f74d53b..c66ad53 100644
--- a/src/com/cyngn/theme/chooser/MyThemeFragment.java
+++ b/src/com/cyngn/theme/chooser/MyThemeFragment.java
@@ -423,7 +423,7 @@ public class MyThemeFragment extends ThemeFragment {
 
         Drawable wp = context == null ? null : wm.getDrawable();
         if (wp == null) {
-            Bitmap bmp = Utils.loadBitmapBlob(c, wpIdx);
+            Bitmap bmp = Utils.loadBitmapFile(c, wpIdx);
             if (bmp != null) wp = new BitmapDrawable(res, bmp);
         }
         if (wp != null) {
@@ -461,7 +461,7 @@ public class MyThemeFragment extends ThemeFragment {
         Drawable wp = context == null ? null :
                 WallpaperManager.getInstance(context).getFastKeyguardDrawable();
         if (wp == null) {
-            Bitmap bmp = Utils.loadBitmapBlob(c, wpIdx);
+            Bitmap bmp = Utils.loadBitmapFile(c, wpIdx);
             if (bmp != null) wp = new BitmapDrawable(res, bmp);
         }
         if (wp != null) {
diff --git a/src/com/cyngn/theme/chooser/ThemeFragment.java b/src/com/cyngn/theme/chooser/ThemeFragment.java
index 09d119b..251181b 100644
--- a/src/com/cyngn/theme/chooser/ThemeFragment.java
+++ b/src/com/cyngn/theme/chooser/ThemeFragment.java
@@ -1638,7 +1638,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
         int wpIdx = c.getColumnIndex(PreviewColumns.KEY_WALLPAPER_PREVIEW);
         final Resources res = getResources();
-        Bitmap bitmap = Utils.loadBitmapBlob(c, wpIdx);
+        Bitmap bitmap = Utils.loadBitmapFile(c, wpIdx);
         if (bitmap != null) {
             mWallpaper.setImageBitmap(bitmap);
             mWallpaperCard.setWallpaper(new BitmapDrawable(res, bitmap));
@@ -1671,7 +1671,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
         int wpIdx = c.getColumnIndex(PreviewColumns.KEY_LOCK_WALLPAPER_PREVIEW);
         final Resources res = getResources();
-        Bitmap bitmap = Utils.loadBitmapBlob(c, wpIdx);
+        Bitmap bitmap = Utils.loadBitmapFile(c, wpIdx);
         if (bitmap != null) {
             mLockScreenCard.setWallpaper(new BitmapDrawable(res, bitmap));
             String pkgName = c.getString(pkgNameIdx);
@@ -1701,11 +1701,11 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         int clockColorIdx = c.getColumnIndex(PreviewColumns.KEY_STATUSBAR_CLOCK_TEXT_COLOR);
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
 
-        Bitmap background = Utils.loadBitmapBlob(c, backgroundIdx);
-        Bitmap bluetoothIcon = Utils.loadBitmapBlob(c, bluetoothIdx);
-        Bitmap wifiIcon = Utils.loadBitmapBlob(c, wifiIdx);
-        Bitmap signalIcon = Utils.loadBitmapBlob(c, signalIdx);
-        Bitmap batteryIcon = Utils.loadBitmapBlob(c, batteryIdx);
+        Bitmap background = Utils.loadBitmapFile(c, backgroundIdx);
+        Bitmap bluetoothIcon = Utils.loadBitmapFile(c, bluetoothIdx);
+        Bitmap wifiIcon = Utils.loadBitmapFile(c, wifiIdx);
+        Bitmap signalIcon = Utils.loadBitmapFile(c, signalIdx);
+        Bitmap batteryIcon = Utils.loadBitmapFile(c, batteryIdx);
         int wifiMargin = c.getInt(wifiMarginIdx);
         int clockTextColor = c.getInt(clockColorIdx);
 
@@ -1778,7 +1778,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
 
         for(int i=0; i < iconViews.size() && i < iconIdx.length; i++) {
             final ImageView v = iconViews.get(i);
-            Bitmap bitmap = Utils.loadBitmapBlob(c, iconIdx[i]);
+            Bitmap bitmap = Utils.loadBitmapFile(c, iconIdx[i]);
             Drawable oldIcon = v.getDrawable();
             Drawable newIcon;
             if (bitmap == null) {
@@ -1826,10 +1826,10 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         }
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
 
-        Bitmap background = Utils.loadBitmapBlob(c, backgroundIdx);
-        Bitmap backButton = Utils.loadBitmapBlob(c, backButtonIdx);
-        Bitmap homeButton = Utils.loadBitmapBlob(c, homeButtonIdx);
-        Bitmap recentButton = Utils.loadBitmapBlob(c, recentButtonIdx);
+        Bitmap background = Utils.loadBitmapFile(c, backgroundIdx);
+        Bitmap backButton = Utils.loadBitmapFile(c, backButtonIdx);
+        Bitmap homeButton = Utils.loadBitmapFile(c, homeButtonIdx);
+        Bitmap recentButton = Utils.loadBitmapFile(c, recentButtonIdx);
 
         Drawable overlay = null;
         if (animate) {
@@ -1890,7 +1890,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
 
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
         int styleIdx = c.getColumnIndex(PreviewColumns.KEY_STYLE_PREVIEW);
-        mStylePreview.setImageBitmap(Utils.loadBitmapBlob(c, styleIdx));
+        mStylePreview.setImageBitmap(Utils.loadBitmapFile(c, styleIdx));
         if (pkgNameIdx > -1) {
             String pkgName = c.getString(pkgNameIdx);
             if (!mPkgName.equals(pkgName) || (mPkgName.equals(pkgName)
diff --git a/src/com/cyngn/theme/util/Utils.java b/src/com/cyngn/theme/util/Utils.java
index 7b885a7..a2169e3 100644
--- a/src/com/cyngn/theme/util/Utils.java
+++ b/src/com/cyngn/theme/util/Utils.java
@@ -24,6 +24,7 @@ import android.graphics.Rect;
 import android.os.RemoteException;
 import android.provider.Settings;
 import android.provider.ThemesContract;
+import android.text.TextUtils;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.IWindowManager;
@@ -32,7 +33,9 @@ import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
 import com.cyngn.theme.chooser.ChooserActivity;
 
+import java.io.BufferedInputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -274,6 +277,29 @@ public class Utils {
         return BitmapFactory.decodeByteArray(blob, 0, blob.length);
     }
 
+    public static Bitmap loadBitmapFile(Cursor cursor, int columnIdx) {
+        if (columnIdx < 0) {
+            Log.w(TAG, "loadBitmapFile(): Invalid index provided, returning null");
+            return null;
+        }
+        String path = cursor.getString(columnIdx);
+        if (TextUtils.isEmpty(path)) {
+            return null;
+        }
+
+        Bitmap image = null;
+        FileInputStream inputStream;
+        try {
+            inputStream = new FileInputStream(path);
+            image = BitmapFactory.decodeStream(inputStream);
+            inputStream.close();
+        } catch (Exception e) {
+            Log.w(TAG, "Unable to open preview " + path, e);
+        }
+
+        return image;
+    }
+
     public static String getBatteryKey(int type) {
         switch(type) {
             case 2: