CameraBrowser: Add support for copying files from camera to internal storage.

Change-Id: I00b765afec0558dfe27961bd0b2e01473c29fc22
Signed-off-by: Mike Lockwood <lockwood@android.com>

5 files changed, 143 insertions, 51 deletions

diff --git a/media/tests/CameraBrowser/AndroidManifest.xml b/media/tests/CameraBrowser/AndroidManifest.xml
index dbbd62a..5a71179 100644
--- a/media/tests/CameraBrowser/AndroidManifest.xml
+++ b/media/tests/CameraBrowser/AndroidManifest.xml
@@ -1,6 +1,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.camerabrowser">
 
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
     <application android:label="@string/app_label">
         <activity android:name="CameraBrowser" android:label="Camera Browser">
             <intent-filter>
diff --git a/media/tests/CameraBrowser/res/menu/object_menu.xml b/media/tests/CameraBrowser/res/menu/object_menu.xml
index caea4ab..a0865f0 100644
--- a/media/tests/CameraBrowser/res/menu/object_menu.xml
+++ b/media/tests/CameraBrowser/res/menu/object_menu.xml
@@ -16,6 +16,8 @@
 
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <item android:id="@+id/save"
+        android:title="@string/save_item" />
     <item android:id="@+id/delete"
         android:title="@string/delete_item" />
 </menu>
diff --git a/media/tests/CameraBrowser/res/values/strings.xml b/media/tests/CameraBrowser/res/values/strings.xml
index 8f94e6c..56c5111 100644
--- a/media/tests/CameraBrowser/res/values/strings.xml
+++ b/media/tests/CameraBrowser/res/values/strings.xml
@@ -32,9 +32,12 @@
     <string name="keywords_label">Keywords: </string>
 
     <!-- menu items -->
+    <string name="save_item">Save</string>
     <string name="delete_item">Delete</string>
 
     <!-- toasts -->
+    <string name="object_saved_message">Object saved</string>
+    <string name="save_failed_message">Could not save object</string>
     <string name="object_deleted_message">Object deleted</string>
     <string name="delete_failed_message">Could not delete object</string>
 
diff --git a/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectBrowser.java b/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectBrowser.java
index 34f8fff..a002028 100644
--- a/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectBrowser.java
+++ b/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectBrowser.java
@@ -26,16 +26,12 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.provider.Mtp;
 import android.util.Log;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ImageView;
 import android.widget.ListView;
 import android.widget.ResourceCursorAdapter;
 import android.widget.TextView;
-import android.widget.Toast;
 
  /**
  * A list view displaying all objects within a container (folder or storage unit).
@@ -119,47 +115,6 @@ public class ObjectBrowser extends ListActivity {
         }
     }
 
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        MenuInflater inflater = getMenuInflater();
-        inflater.inflate(R.menu.object_menu, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onPrepareOptionsMenu(Menu menu) {
-        int position = mList.getSelectedItemPosition();
-        MenuItem item = menu.findItem(R.id.delete);
-        item.setEnabled(position != AdapterView.INVALID_POSITION);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.delete:
-                deleteSelected();
-                return true;
-        }
-        return false;
-    }
-
-    private void deleteSelected() {
-        int position = mList.getSelectedItemPosition();
-        int rowID = (int)mAdapter.getItemId(position);
-        Uri uri = Mtp.Object.getContentUri(mDeviceID, rowID);
-
-        Log.d(TAG, "deleting " + uri);
-
-        int result = getContentResolver().delete(uri, null, null);
-        if (result > 0) {
-            Toast.makeText(this, R.string.object_deleted_message, Toast.LENGTH_SHORT).show();
-            mCursor.requery();
-        } else {
-            Toast.makeText(this, R.string.delete_failed_message, Toast.LENGTH_SHORT).show();
-        }
-    }
-
     private class ObjectCursorAdapter extends ResourceCursorAdapter {
 
         public ObjectCursorAdapter(Context context, Cursor c) {
diff --git a/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectViewer.java b/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectViewer.java
index 3033c54..af18196 100644
--- a/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectViewer.java
+++ b/media/tests/CameraBrowser/src/com/android/camerabrowser/ObjectViewer.java
@@ -22,12 +22,25 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Environment;
+import android.os.FileUtils;
+import android.os.ParcelFileDescriptor;
+import android.os.Process;
 import android.provider.Mtp;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.Calendar;
 import java.util.Date;
 
 /**
@@ -106,18 +119,135 @@ public class ObjectViewer extends Activity {
             view.setText(c.getString(12));
             byte[] thumbnail = c.getBlob(13);
             if (thumbnail != null) {
-                Log.d(TAG, "got thumbnail, length: " + thumbnail.length);
-                for (int i = 0; i < 50; i++) {
-                    Log.d(TAG, "    " + Integer.toHexString(thumbnail[i]));
-                }
-
                 ImageView thumbView = (ImageView)findViewById(R.id.thumbnail);
                 Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
-                Log.d(TAG, "bitmap: " + bitmap);
                 if (bitmap != null) {
                     thumbView.setImageBitmap(bitmap);
                 }
             }
         }
     }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.object_menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        MenuItem item = menu.findItem(R.id.save);
+        item.setEnabled(true);
+        item = menu.findItem(R.id.delete);
+        item.setEnabled(true);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.save:
+                save();
+                return true;
+            case R.id.delete:
+                delete();
+                return true;
+        }
+        return false;
+    }
+
+    private static String getTimestamp() {
+        Calendar c = Calendar.getInstance();
+        c.setTimeInMillis(System.currentTimeMillis());
+        return String.format("%tY-%tm-%td-%tH-%tM-%tS", c, c, c, c, c, c);
+    }
+
+    private void save() {
+        boolean success = false;
+        Uri uri = Mtp.Object.getContentUri(mDeviceID, mObjectID);
+        File destFile = null;
+        ParcelFileDescriptor pfd = null;
+        FileInputStream fis = null;
+        FileOutputStream fos = null;
+
+        try {
+            pfd = getContentResolver().openFileDescriptor(uri, "r");
+            Log.d(TAG, "save got pfd " + pfd);
+            if (pfd != null) {
+                fis = new FileInputStream(pfd.getFileDescriptor());
+                Log.d(TAG, "save got fis " + fis);
+                File destDir = Environment.getExternalStoragePublicDirectory(
+                        Environment.DIRECTORY_DCIM);
+                destDir.mkdirs();
+                destFile = new File(destDir, "CameraBrowser-" + getTimestamp() + ".jpeg");
+
+
+                Log.d(TAG, "save got destFile " + destFile);
+
+                if (destFile.exists()) {
+                    destFile.delete();
+                }
+                fos = new FileOutputStream(destFile);
+
+                byte[] buffer = new byte[65536];
+                int bytesRead;
+                while ((bytesRead = fis.read(buffer)) >= 0) {
+                    Log.d(TAG, "copying the bytes numbering " + bytesRead);
+                    fos.write(buffer, 0, bytesRead);
+                }
+
+                // temporary workaround until we straighten out permissions in /data/media
+                // 1015 is AID_SDCARD_RW
+                FileUtils.setPermissions(destDir.getPath(), 0775, Process.myUid(), 1015);
+                FileUtils.setPermissions(destFile.getPath(), 0664, Process.myUid(), 1015);
+
+                success = true;
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Exception in ObjectView.save", e);
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (Exception e) {
+                }
+            }
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (Exception e) {
+                }
+            }
+            if (pfd != null) {
+                try {
+                    pfd.close();
+                } catch (Exception e) {
+                }
+            }
+        }
+
+        if (success) {
+            Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+            intent.setData(Uri.fromFile(destFile));
+            sendBroadcast(intent);
+            Toast.makeText(this, R.string.object_saved_message, Toast.LENGTH_SHORT).show();
+        } else {
+            Toast.makeText(this, R.string.save_failed_message, Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void delete() {
+        Uri uri = Mtp.Object.getContentUri(mDeviceID, mObjectID);
+
+        Log.d(TAG, "deleting " + uri);
+
+        int result = getContentResolver().delete(uri, null, null);
+        if (result > 0) {
+            Toast.makeText(this, R.string.object_deleted_message, Toast.LENGTH_SHORT).show();
+            finish();
+        } else {
+            Toast.makeText(this, R.string.delete_failed_message, Toast.LENGTH_SHORT).show();
+        }
+    }
 }