handle multiple input URIs and Intent.SEND_MULTIPLE

OpenKeychain/src/main/AndroidManifest.xml

@@ -210,15 +210,6 @@
 
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-            <!-- Android's Send Action -->
-            <intent-filter android:label="@string/intent_send_decrypt">
-                <action android:name="android.intent.action.SEND" />
-
-                <category android:name="android.intent.category.DEFAULT" />
-
-                <data android:mimeType="text/*" />
-                <data android:mimeType="message/*" />
-            </intent-filter>
         </activity>
         <activity
             android:name=".ui.DecryptFilesActivity"
@@ -266,13 +257,15 @@
                 <data android:scheme="file" />
                 <data android:scheme="content" />
             </intent-filter>
-            <!-- Android's Send Action -->
+            <!-- Android's Send and Multi-Send Actions -->
             <intent-filter android:label="@string/intent_send_decrypt">
                 <action android:name="android.intent.action.SEND" />
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
-                <!-- everything except text/* and message/* -->
+                <data android:mimeType="text/*" />
+                <data android:mimeType="message/*" />
                 <data android:mimeType="image/*" />
                 <data android:mimeType="audio/*" />
                 <data android:mimeType="video/*" />

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesActivity.java

@@ -23,6 +23,8 @@ import android.app.Activity;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
 import android.view.View;
 import android.widget.Toast;
 
@@ -65,56 +67,83 @@ public class DecryptFilesActivity extends BaseActivity {
      * Handles all actions with this intent
      */
     private void handleActions(Bundle savedInstanceState, Intent intent) {
-        String action = intent.getAction();
-        String type = intent.getType();
-        Uri uri = intent.getData();
 
-        if (Intent.ACTION_SEND.equals(action) && type != null) {
+        // No need to initialize fragments if we are just being restored
-            // When sending to Keychain Decrypt via share menu
-            // Binary via content provider (could also be files)
-            // override uri to get stream from send
-            uri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
-            action = ACTION_DECRYPT_DATA;
-        } else if (Intent.ACTION_VIEW.equals(action)) {
-            // Android's Action when opening file associated to Keychain (see AndroidManifest.xml)
-
-            // override action
-            action = ACTION_DECRYPT_DATA;
-        }
-
-        // No need to initialize fragments if we are being restored
         if (savedInstanceState != null) {
             return;
         }
 
-        // Definitely need a data uri with the decrypt_data intent
+        ArrayList<Uri> uris = new ArrayList<>();
-        if (ACTION_DECRYPT_DATA.equals(action) && uri == null) {
+
-            Toast.makeText(this, "No data to decrypt!", Toast.LENGTH_LONG).show();
+        String action = intent.getAction();
-            setResult(Activity.RESULT_CANCELED);
+
-            finish();
+        switch (action) {
+            case Intent.ACTION_SEND: {
+                // When sending to Keychain Decrypt via share menu
+                // Binary via content provider (could also be files)
+                // override uri to get stream from send
+                action = ACTION_DECRYPT_DATA;
+                uris.add(intent.<Uri>getParcelableExtra(Intent.EXTRA_STREAM));
+                break;
+            }
+
+            case Intent.ACTION_SEND_MULTIPLE: {
+                action = ACTION_DECRYPT_DATA;
+                uris.addAll(intent.<Uri>getParcelableArrayListExtra(Intent.EXTRA_STREAM));
+                break;
+            }
+
+            case Intent.ACTION_VIEW:
+                // Android's Action when opening file associated to Keychain (see AndroidManifest.xml)
+                action = ACTION_DECRYPT_DATA;
+
+                // fallthrough
+            default:
+                uris.add(intent.getData());
+
+        }
+
+        if (ACTION_DECRYPT_DATA.equals(action)) {
+            // Definitely need a data uri with the decrypt_data intent
+            if (uris.isEmpty()) {
+                Toast.makeText(this, "No data to decrypt!", Toast.LENGTH_LONG).show();
+                setResult(Activity.RESULT_CANCELED);
+                finish();
+            }
+            displayListFragment(uris);
+            return;
         }
 
         boolean showOpenDialog = ACTION_DECRYPT_DATA_OPEN.equals(action);
-        DecryptFilesInputFragment frag = DecryptFilesInputFragment.newInstance(uri, showOpenDialog);
+        displayInputFragment(showOpenDialog);
+
+    }
+
+    public void displayInputFragment(boolean showOpenDialog) {
+        DecryptFilesInputFragment frag = DecryptFilesInputFragment.newInstance(showOpenDialog);
 
         // Add the fragment to the 'fragment_container' FrameLayout
         // NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
         getSupportFragmentManager().beginTransaction()
                 .replace(R.id.decrypt_files_fragment_container, frag)
                 .commit();
-
     }
 
-    public void displayListFragment(Uri inputUri) {
+    public void displayListFragment(ArrayList<Uri> inputUris) {
 
-        ArrayList<Uri> uris = new ArrayList<>();
+        DecryptFilesListFragment frag = DecryptFilesListFragment.newInstance(inputUris);
-        uris.add(inputUri);
-        DecryptFilesListFragment frag = DecryptFilesListFragment.newInstance(uris);
 
-        getSupportFragmentManager().beginTransaction()
+        FragmentManager fragMan = getSupportFragmentManager();
-                .replace(R.id.decrypt_files_fragment_container, frag)
+
-                .addToBackStack("list")
+        FragmentTransaction trans = fragMan.beginTransaction();
-                .commit();
+        trans.replace(R.id.decrypt_files_fragment_container, frag);
+
+        // if there already is a fragment, allow going back to that. otherwise, we're top level!
+        if (fragMan.getFragments() != null && !fragMan.getFragments().isEmpty()) {
+            trans.addToBackStack("list");
+        }
+
+        trans.commit();
 
     }
 

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesInputFragment.java

@@ -18,6 +18,8 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import java.util.ArrayList;
+
 import android.app.Activity;
 import android.content.Intent;
 import android.net.Uri;
@@ -44,11 +46,10 @@ public class DecryptFilesInputFragment extends Fragment {
 
     private Uri mInputUri = null;
 
-    public static DecryptFilesInputFragment newInstance(Uri uri, boolean openDirectly) {
+    public static DecryptFilesInputFragment newInstance(boolean openDirectly) {
         DecryptFilesInputFragment frag = new DecryptFilesInputFragment();
 
         Bundle args = new Bundle();
-        args.putParcelable(ARG_URI, uri);
         args.putBoolean(ARG_OPEN_DIRECTLY, openDirectly);
 
         frag.setArguments(args);
@@ -127,7 +128,10 @@ public class DecryptFilesInputFragment extends Fragment {
         }
 
         DecryptFilesActivity activity = (DecryptFilesActivity) getActivity();
-        activity.displayListFragment(mInputUri);
+
+        ArrayList<Uri> uris = new ArrayList<>();
+        uris.add(mInputUri);
+        activity.displayListFragment(uris);
     }
 
     @Override

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFilesListFragment.java

@@ -58,6 +58,7 @@ import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyInputParcel;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
 // this import NEEDS to be above the ViewModel one, or it won't compile! (as of 06/06/15)
+import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
 import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.StatusHolder;
 import org.sufficientlysecure.keychain.ui.DecryptFilesListFragment.DecryptFilesAdapter.ViewModel;
 import org.sufficientlysecure.keychain.ui.adapter.SpacesItemDecoration;
@@ -187,6 +188,11 @@ public class DecryptFilesListFragment
         cryptoOperation();
     }
 
+    @Override
+    protected void cryptoOperation(CryptoInputParcel cryptoInput) {
+        super.cryptoOperation(cryptoInput, false);
+    }
+
     @Override
     protected boolean onCryptoSetProgress(String msg, int progress, int max) {
         mAdapter.setProgress(mCurrentInputUri, progress, max, msg);
@@ -204,6 +210,8 @@ public class DecryptFilesListFragment
         mCurrentInputUri = null;
 
         mAdapter.addResult(uri, result, null, null, null);
+
+        cryptoOperation();
     }
 
     @Override
@@ -257,6 +265,8 @@ public class DecryptFilesListFragment
 
         mAdapter.addResult(uri, result, icon, onFileClick, onKeyClick);
 
+        cryptoOperation();
+
     }
 
     @Override

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationFragment.java

@@ -123,6 +123,14 @@ public abstract class CryptoOperationFragment <T extends Parcelable, S extends O
     protected abstract T createOperationInput();
 
     protected void cryptoOperation(CryptoInputParcel cryptoInput) {
+        cryptoOperation(cryptoInput, true);
+    }
+
+    protected void cryptoOperation() {
+        cryptoOperation(new CryptoInputParcel());
+    }
+
+    protected void cryptoOperation(CryptoInputParcel cryptoInput, boolean showProgress) {
 
         T operationInput = createOperationInput();
         if (operationInput == null) {
@@ -169,18 +177,16 @@ public abstract class CryptoOperationFragment <T extends Parcelable, S extends O
         Messenger messenger = new Messenger(saveHandler);
         intent.putExtra(KeychainService.EXTRA_MESSENGER, messenger);
 
-        saveHandler.showProgressDialog(
+        if (showProgress) {
-                getString(R.string.progress_building_key),
+            saveHandler.showProgressDialog(
-                ProgressDialog.STYLE_HORIZONTAL, false);
+                    getString(R.string.progress_building_key),
+                    ProgressDialog.STYLE_HORIZONTAL, false);
+        }
 
         getActivity().startService(intent);
 
     }
 
-    protected void cryptoOperation() {
-        cryptoOperation(new CryptoInputParcel());
-    }
-
     protected void onCryptoOperationResult(S result) {
         if (result.success()) {
             onCryptoOperationSuccess(result);

OpenKeychain/src/main/res/layout/decrypt_files_activity.xml

@@ -5,7 +5,7 @@
 
     <include
         android:id="@+id/toolbar_include"
-        layout="@layout/toolbar_result_decrypt" />
+        layout="@layout/toolbar_standalone_white" />
 
     <!--
         fitsSystemWindows and layout_marginTop from