1 files changed, 127 insertions, 0 deletions
diff --git a/src/com/android/camera/SDCard.java b/src/com/android/camera/SDCard.java
new file mode 100755
index 000000000..836c2db8a
--- /dev/null
+++ b/src/com/android/camera/SDCard.java
@@ -0,0 +1,127 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.android.camera;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Environment;
+import android.os.storage.StorageVolume;
+import android.os.storage.StorageManager;
+import android.util.Log;
+
+import java.util.List;
+
+public class SDCard {
+    private static final String TAG = "SDCard";
+
+    private static final int VOLUME_SDCARD_INDEX = 1;
+
+    private StorageManager mStorageManager = null;
+    private StorageVolume mVolume = null;
+    private String mPath = null;
+    private String mRawpath = null;
+    private static SDCard sSDCard;
+
+    public boolean isWriteable() {
+        if (mVolume == null) return false;
+        final String state = getSDCardStorageState();
+        if (Environment.MEDIA_MOUNTED.equals(state)) {
+            return true;
+        }
+        return false;
+    }
+
+    public String getDirectory() {
+        if (mVolume == null) {
+            return null;
+        }
+        if (mPath == null) {
+            mPath = mVolume.getDirectory().toString() + "/DCIM/Camera";
+        }
+        return mPath;
+    }
+
+    public String getRawDirectory() {
+        if (mVolume == null) {
+            return null;
+        }
+        if (mRawpath == null) {
+            mRawpath = mVolume.getDirectory().toString() + "/DCIM/Camera/raw";
+        }
+        return mRawpath;
+    }
+
+    public static void initialize(Context context) {
+        if (sSDCard == null) {
+            sSDCard = new SDCard(context);
+        }
+    }
+
+    public static synchronized SDCard instance() {
+        return sSDCard;
+    }
+
+    private String getSDCardStorageState() {
+        return mVolume.getState();
+    }
+
+    private SDCard(Context context) {
+        try {
+            mStorageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE);
+            initVolume();
+            registerMediaBroadcastreceiver(context);
+        } catch (Exception e) {
+            Log.e(TAG, "couldn't talk to MountService", e);
+        }
+    }
+
+    private void initVolume() {
+        final StorageVolume[] volumes = mStorageManager.getVolumeList();
+        mVolume = (volumes.length > VOLUME_SDCARD_INDEX) ?
+                volumes[VOLUME_SDCARD_INDEX] : null;
+        mPath = null;
+        mRawpath = null;
+    }
+
+    private void registerMediaBroadcastreceiver(Context context) {
+        IntentFilter filter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
+        filter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
+        filter.addDataScheme("file");
+        context.registerReceiver(mMediaBroadcastReceiver , filter);
+    }
+
+    private BroadcastReceiver mMediaBroadcastReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            initVolume();
+        }
+    };
+}