Video thumbnail

src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java

@@ -21,12 +21,22 @@
 
 package com.owncloud.android.datamodel;
 
+import java.io.File;
+import java.io.InputStream;
+import java.lang.ref.WeakReference;
+import java.net.FileNameMap;
+import java.net.URLConnection;
+
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.methods.GetMethod;
+
 import android.accounts.Account;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.CompressFormat;
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
+import android.graphics.Paint;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.media.Image;
@@ -55,6 +65,7 @@
 import java.io.File;
 import java.io.InputStream;
 import java.lang.ref.WeakReference;
+import com.owncloud.android.utils.FileStorageUtils;
 
 /**
  * Manager for concurrent access to thumbnails cache.
@@ -80,6 +91,12 @@ public class ThumbnailsCacheManager {
                     R.drawable.file_image
             );
 
+    public static Bitmap mDefaultVideo =
+            BitmapFactory.decodeResource(
+                    MainApp.getAppContext().getResources(),
+                    R.drawable.file_movie
+            );
+
 
     public static class InitDiskCacheTask extends AsyncTask<File, Void, Void> {
 
@@ -192,8 +209,19 @@ protected Bitmap doInBackground(Object... params) {
 
                 if (mFile instanceof OCFile) {
                     thumbnail = doOCFileInBackground();
+
+                    if (((OCFile) mFile).isVideo() && thumbnail != null){
+                        thumbnail = addVideoOverlay(thumbnail);
+                    }
                 }  else if (mFile instanceof File) {
                     thumbnail = doFileInBackground();
+
+                    String url = ((File) mFile).getAbsolutePath();
+                    String mMimeType = FileStorageUtils.getMimeTypeFromName(url);
+
+                    if (mMimeType != null && mMimeType.startsWith("video/") && thumbnail != null){
+                        thumbnail = addVideoOverlay(thumbnail);
+                    }
                 //} else {  do nothing
                 }
 
@@ -584,6 +612,51 @@ public static ThumbnailGenerationTask getBitmapWorkerTask(ImageView imageView) {
         return null;
     }
 
+    public static Bitmap addVideoOverlay(Bitmap thumbnail){
+        Bitmap playButton = BitmapFactory.decodeResource(MainApp.getAppContext().getResources(),
+                R.drawable.view_play);
+
+        Bitmap resizedPlayButton = Bitmap.createScaledBitmap(playButton,
+                (int) (thumbnail.getWidth() * 0.3),
+                (int) (thumbnail.getHeight() * 0.3), true);
+
+        Bitmap resultBitmap = Bitmap.createBitmap(thumbnail.getWidth(),
+                thumbnail.getHeight(),
+                Bitmap.Config.ARGB_8888);
+
+        Canvas c = new Canvas(resultBitmap);
+
+        // compute visual center of play button, according to resized image
+        int x1 = resizedPlayButton.getWidth();
+        int y1 = resizedPlayButton.getHeight() / 2;
+        int x2 = 0;
+        int y2 = resizedPlayButton.getWidth();
+        int x3 = 0;
+        int y3 = 0;
+
+        double ym = ( ((Math.pow(x3,2) - Math.pow(x1,2) + Math.pow(y3,2) - Math.pow(y1,2)) *
+                (x2 - x1)) - (Math.pow(x2,2) - Math.pow(x1,2) + Math.pow(y2,2) -
+                Math.pow(y1,2)) * (x3 - x1) )  /  (2 * ( ((y3 - y1) * (x2 - x1)) -
+                ((y2 - y1) * (x3 - x1)) ));
+        double xm = ( (Math.pow(x2,2) - Math.pow(x1,2)) + (Math.pow(y2,2) - Math.pow(y1,2)) -
+                (2*ym*(y2 - y1)) ) / (2*(x2 - x1));
+
+        // offset to top left
+        double ox = - xm;
+        double oy = thumbnail.getHeight() - ym;
+
+
+        c.drawBitmap(thumbnail, 0, 0, null);
+
+        Paint p = new Paint();
+        p.setAlpha(230);
+
+        c.drawBitmap(resizedPlayButton, (float) ((thumbnail.getWidth() / 2) + ox),
+                (float) ((thumbnail.getHeight() / 2) - ym), p);
+
+        return resultBitmap;
+    }
+
     public static AvatarGenerationTask getAvatarWorkerTask(Object callContext) {
         if (callContext instanceof ImageView)
             return getAvatarWorkerTask(((ImageView)callContext).getDrawable());

src/com/owncloud/android/ui/adapter/ExpandableUploadListAdapter.java

@@ -46,6 +46,7 @@
 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
 import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.ui.activity.FileActivity;
+import com.owncloud.android.utils.BitmapUtils;
 import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.MimetypeIconUtil;
 
@@ -413,7 +414,11 @@ public void onClick(View v) {
                                         fileIcon, mParentActivity.getStorageManager(), mParentActivity.getAccount()
                                 );
                         if (thumbnail == null) {
-                            thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                            if (fakeFileToCheatThumbnailsCacheManagerInterface.isVideo()) {
+                                thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                            } else {
+                                thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                            }
                         }
                         final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
                                 new ThumbnailsCacheManager.AsyncThumbnailDrawable(
@@ -445,7 +450,11 @@ public void onClick(View v) {
                         final ThumbnailsCacheManager.ThumbnailGenerationTask task =
                                 new ThumbnailsCacheManager.ThumbnailGenerationTask(fileIcon);
                         if (thumbnail == null) {
-                            thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                            if (BitmapUtils.isVideo(file)) {
+                                thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                            } else {
+                                thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                            }
                         }
                         final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
                                 new ThumbnailsCacheManager.AsyncThumbnailDrawable(

src/com/owncloud/android/ui/adapter/FileListListAdapter.java

@@ -27,6 +27,9 @@
 import android.accounts.Account;
 import android.content.Context;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
 import android.os.Build;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -146,7 +149,7 @@ public View getView(int position, View convertView, ViewGroup parent) {
         ViewType viewType;
         if (!mGridMode){
             viewType = ViewType.LIST_ITEM;
-        } else if (file.isImage()){
+        } else if (file.isImage() || file.isVideo()){
             viewType = ViewType.GRID_IMAGE;
         } else {
             viewType = ViewType.GRID_ITEM;
@@ -298,13 +301,19 @@ public View getView(int position, View convertView, ViewGroup parent) {
 
             // No Folder
             if (!file.isFolder()) {
-                if (file.isImage() && file.getRemoteId() != null){
+                if ((file.isImage() || file.isVideo()) && file.getRemoteId() != null){
                     // Thumbnail in Cache?
                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
                             String.valueOf(file.getRemoteId())
                             );
                     if (thumbnail != null && !file.needsUpdateThumbnail()){
-                        fileIcon.setImageBitmap(thumbnail);
+
+                        if (file.isVideo()) {
+                            Bitmap withOverlay = ThumbnailsCacheManager.addVideoOverlay(thumbnail);
+                            fileIcon.setImageBitmap(withOverlay);
+                        } else {
+                            fileIcon.setImageBitmap(thumbnail);
+                        }
                     } else {
                         // generate new Thumbnail
                         if (ThumbnailsCacheManager.cancelPotentialThumbnailWork(file, fileIcon)) {
@@ -313,7 +322,11 @@ public View getView(int position, View convertView, ViewGroup parent) {
                                             fileIcon, mStorageManager, mAccount
                                             );
                             if (thumbnail == null) {
-                                thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                                if (file.isVideo()) {
+                                    thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                                } else {
+                                    thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                                }
                             }
                             final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
                                     new ThumbnailsCacheManager.AsyncThumbnailDrawable(

src/com/owncloud/android/ui/adapter/LocalFileListAdapter.java

@@ -166,7 +166,11 @@ public View getView(int position, View convertView, ViewGroup parent) {
                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(fileIcon);
                             if (thumbnail == null) {
-                                thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                                if (BitmapUtils.isVideo(file)) {
+                                    thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                                } else {
+                                    thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                                }
                             }
                             final ThumbnailsCacheManager.AsyncThumbnailDrawable asyncDrawable =
                         		new ThumbnailsCacheManager.AsyncThumbnailDrawable(

src/com/owncloud/android/ui/adapter/UploaderAdapter.java

@@ -105,7 +105,11 @@ public View getView(int position, View convertView, ViewGroup parent) {
                             new ThumbnailsCacheManager.ThumbnailGenerationTask(fileIcon, mStorageManager, 
                                     mAccount);
                     if (thumbnail == null) {
-                        thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                        if (file.isVideo()) {
+                            thumbnail = ThumbnailsCacheManager.mDefaultVideo;
+                        } else {
+                            thumbnail = ThumbnailsCacheManager.mDefaultImg;
+                        }
                     }
                     final AsyncThumbnailDrawable asyncDrawable = new AsyncThumbnailDrawable(
                             mContext.getResources(), 

src/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -697,7 +697,7 @@ private void updateLayout() {
                     if (!file.isHidden()) {
                         filesCount++;
 
-                        if (file.isImage()) {
+                        if (file.isImage() || file.isVideo()) {
                             imagesCount++;
                         }
                     }

src/com/owncloud/android/utils/BitmapUtils.java

@@ -275,6 +275,19 @@ public static boolean isImage(File file) {
         return (mimeType != null && mimeType.startsWith("image/"));
     }
 
+    /**
+     * Checks if file passed is a video
+     * @param file
+     * @return true/false
+     */
+    public static boolean isVideo(File file) {
+        Uri selectedUri = Uri.fromFile(file);
+        String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString().toLowerCase());
+        String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);
+
+        return (mimeType != null && mimeType.startsWith("video/"));
+    }
+
     /**
      * calculates the RGB value based on a given account name.
      *