CM File Manager - Intent to open video files will have a playlist attached

In SearchActivity, intent to open video files will have an extra added
with the list of all videos in the search results.

Change-Id: Ibf48e74fd9f43ee3ac60575bad6c8f9fe1ec70ee

4 files changed, 77 insertions, 1 deletions

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9e4e7bac..52aa991c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -836,4 +836,6 @@
     <string name="welcome_title">Welcome</string>
     <!-- Welcome Dialog - Message -->
     <string name="welcome_msg">Welcome to the CyanogenMod file manager.\n\nThis app allows you to explore the file system and do operations that could break your device. To prevent damage, the app will start in a safe, low-privileged mode.\n\nYou can access the advanced, full-privileged mode via Settings. It\'s your responsibility to ensure that an operation doesn\'t break your system.\n\nThe CyanogenMod Team</string>
+
+    <string name="activity_not_found_exception">Couldn\'t find an app to open this file</string>
 </resources>
diff --git a/src/com/cyanogenmod/filemanager/activities/SearchActivity.java b/src/com/cyanogenmod/filemanager/activities/SearchActivity.java
index b632c78e..c7772361 100644
--- a/src/com/cyanogenmod/filemanager/activities/SearchActivity.java
+++ b/src/com/cyanogenmod/filemanager/activities/SearchActivity.java
@@ -20,6 +20,7 @@ import android.app.ActionBar;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.SearchManager;
+import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -28,6 +29,7 @@ import android.content.IntentFilter;
 import android.content.res.Configuration;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.preference.PreferenceActivity;
@@ -1026,7 +1028,42 @@ public class SearchActivity extends Activity
                 fso = symlink.getLinkRef();
             }
 
-            // Open the file with the preferred registered app
+            // special treatment for video files
+            // all of the video files in the current search will also be sent as an extra in the
+            // intent along with the item that was clicked
+            MimeTypeCategory fileCategory = MimeTypeHelper.getCategoryFromExt(this,
+                    FileHelper.getExtension(fso));
+            if (fileCategory == MimeTypeCategory.VIDEO) {
+
+                ArrayList<FileSystemObject> filteredList = filterSearchResults(fileCategory);
+                ArrayList<Uri> uris = new ArrayList<Uri>(filteredList.size());
+
+                for (FileSystemObject f : filteredList) {
+                    uris.add(f.getFileUri());
+                }
+
+                Intent intent = new Intent();
+                intent.setAction(Intent.ACTION_VIEW);
+                intent.setDataAndType(fso.getFileUri(), MimeTypeHelper.getMimeType(this, fso));
+                if (filteredList.size() > 1) {
+                    intent.putParcelableArrayListExtra("EXTRA_FILE_LIST", uris);
+                }
+
+                if (DEBUG) {
+                    Log.i(TAG, "video intent : " + intent);
+                }
+
+                try {
+                    startActivity(intent);
+                } catch(ActivityNotFoundException e) {
+                    Log.e(TAG, "ActivityNotFoundException when opening a video file");
+                    Toast.makeText(this, R.string.activity_not_found_exception, Toast.LENGTH_SHORT);
+                }
+
+                return;
+            }
+
+            // for other files, open them with their preferred registered app
             back(false, fso, false);
 
         } catch (Throwable ex) {
@@ -1035,6 +1072,26 @@ public class SearchActivity extends Activity
     }
 
     /**
+     * Returns a subset of the search results falling into the given category
+     * @param category MimeTypeCategory
+     * @return list of FileSystemObjects that
+     */
+    private ArrayList<FileSystemObject> filterSearchResults(MimeTypeCategory category) {
+        ArrayList<FileSystemObject> filteredList = new ArrayList<FileSystemObject>();
+
+        if (mAdapter.getCount() < 1) return filteredList;
+
+        for (FileSystemObject fso : mAdapter.getFiles()) {
+            if (MimeTypeHelper.getCategoryFromExt(this, FileHelper.getExtension(fso))
+                    == category) {
+                filteredList.add(fso);
+            }
+        }
+
+        return filteredList;
+    }
+
+    /**
      * {@inheritDoc}
      */
     @Override
diff --git a/src/com/cyanogenmod/filemanager/adapters/SearchResultAdapter.java b/src/com/cyanogenmod/filemanager/adapters/SearchResultAdapter.java
index 24b9f9d1..32775c8a 100644
--- a/src/com/cyanogenmod/filemanager/adapters/SearchResultAdapter.java
+++ b/src/com/cyanogenmod/filemanager/adapters/SearchResultAdapter.java
@@ -49,6 +49,7 @@ import com.cyanogenmod.filemanager.util.SearchHelper;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
@@ -233,6 +234,7 @@ public class SearchResultAdapter extends ArrayAdapter<SearchResult> {
         addAll(mNewItems);
         sort(mSearchResultComparator);
         mOriginalList.addAll(mNewItems);    // cache files so enable mime type filtering later on
+        Collections.sort(mOriginalList, mSearchResultComparator);
 
         // reset buffer
         mNewItems.clear();
diff --git a/src/com/cyanogenmod/filemanager/model/FileSystemObject.java b/src/com/cyanogenmod/filemanager/model/FileSystemObject.java
index c87c07cc..578ea323 100644
--- a/src/com/cyanogenmod/filemanager/model/FileSystemObject.java
+++ b/src/com/cyanogenmod/filemanager/model/FileSystemObject.java
@@ -16,6 +16,8 @@
 
 package com.cyanogenmod.filemanager.model;
 
+import android.content.ContentResolver;
+import android.net.Uri;
 import com.cyanogenmod.filemanager.R;
 import com.cyanogenmod.filemanager.util.FileHelper;
 
@@ -336,6 +338,19 @@ public abstract class FileSystemObject implements Serializable, Comparable<FileS
     }
 
     /**
+     * creates a file uri that references this FileSystemObject
+     * @return a file uri
+     */
+    public Uri getFileUri() {
+        Uri uri = new Uri.Builder()
+                .scheme(ContentResolver.SCHEME_FILE)
+                .path(getFullPath())
+                .build();
+
+        return uri;
+    }
+
+    /**
      * {@inheritDoc}
      */
     @Override