From 288e2b5572dc25ce27baaf94ff9263a31dbd6650 Mon Sep 17 00:00:00 2001
From: Moxie Marlinspike <moxie@thoughtcrime.org>
Date: Sat, 2 Feb 2013 20:37:40 -0800
Subject: [PATCH] Suppport receiving 'share' actions from other apps.

---
 AndroidManifest.xml                           |  8 +++
 .../securesms/ConversationActivity.java       | 45 +++++++++---
 .../securesms/ConversationListActivity.java   | 72 ++++++++++++-------
 3 files changed, 89 insertions(+), 36 deletions(-)

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f2a3c21188..1925947233 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -53,6 +53,14 @@
                   <data android:scheme="smsto" />
             </intent-filter>
             
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT"/>
+                <data android:mimeType="audio/*" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="text/*" />
+            </intent-filter>            
+            
         </activity>
 
     <activity android:name=".ConversationActivity"
diff --git a/src/org/thoughtcrime/securesms/ConversationActivity.java b/src/org/thoughtcrime/securesms/ConversationActivity.java
index f7906e99cc..2fa6fcb56c 100644
--- a/src/org/thoughtcrime/securesms/ConversationActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationActivity.java
@@ -44,11 +44,6 @@ import android.widget.ImageButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.actionbarsherlock.app.SherlockFragmentActivity;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.components.RecipientsPanel;
 import org.thoughtcrime.securesms.crypto.AuthenticityCalculator;
 import org.thoughtcrime.securesms.crypto.KeyExchangeInitiator;
@@ -74,6 +69,11 @@ import org.thoughtcrime.securesms.util.MemoryCleaner;
 
 import ws.com.google.android.mms.MmsException;
 
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuInflater;
+import com.actionbarsherlock.view.MenuItem;
+
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
@@ -89,10 +89,17 @@ public class ConversationActivity extends SherlockFragmentActivity
     implements ConversationFragment.ConversationFragmentListener
   {
 
-  private static final int PICK_CONTACT               = 1;
-  private static final int PICK_IMAGE                 = 2;
-  private static final int PICK_VIDEO                 = 3;
-  private static final int PICK_AUDIO                 = 4;
+  public static final String RECIPIENTS_EXTRA    = "recipients";
+  public static final String THREAD_ID_EXTRA     = "thread_id";
+  public static final String MASTER_SECRET_EXTRA = "master_secret";
+  public static final String DRAFT_TEXT_EXTRA    = "draft_text";
+  public static final String DRAFT_IMAGE_EXTRA   = "draft_image";
+  public static final String DRAFT_AUDIO_EXTRA   = "draft_audio";
+
+  private static final int PICK_CONTACT          = 1;
+  private static final int PICK_IMAGE            = 2;
+  private static final int PICK_VIDEO            = 3;
+  private static final int PICK_AUDIO            = 4;
 
   private MasterSecret masterSecret;
   private RecipientsPanel recipientsPanel;
@@ -121,6 +128,7 @@ public class ConversationActivity extends SherlockFragmentActivity
 
     initializeReceivers();
     initializeResources();
+    initializeDraft();
     initializeTitleBar();
   }
 
@@ -396,6 +404,16 @@ public class ConversationActivity extends SherlockFragmentActivity
     this.invalidateOptionsMenu();
   }
 
+  private void initializeDraft() {
+    String draftText  = getIntent().getStringExtra(DRAFT_TEXT_EXTRA);
+    Uri    draftImage = getIntent().getParcelableExtra(DRAFT_IMAGE_EXTRA);
+    Uri    draftAudio = getIntent().getParcelableExtra(DRAFT_AUDIO_EXTRA);
+
+    if (draftText != null)  composeText.setText(draftText);
+    if (draftImage != null) addAttachmentImage(draftImage);
+    if (draftAudio != null) addAttachmentAudio(draftAudio);
+  }
+
   private void initializeSecurity() {
     if (isSingleConversation() &&
         KeyUtil.isSessionFor(this, getRecipients().getPrimaryRecipient()))
@@ -663,6 +681,7 @@ public class ConversationActivity extends SherlockFragmentActivity
   // Listeners
 
   private class AddRecipientButtonListener implements OnClickListener {
+    @Override
     public void onClick(View v) {
       Intent intent = new Intent(ConversationActivity.this, ContactSelectionActivity.class);
       startActivityForResult(intent, PICK_CONTACT);
@@ -670,12 +689,14 @@ public class ConversationActivity extends SherlockFragmentActivity
   };
 
   private class AttachmentTypeListener implements DialogInterface.OnClickListener {
+    @Override
     public void onClick(DialogInterface dialog, int which) {
       addAttachment(attachmentAdapter.buttonToCommand(which));
     }
   }
 
   private class RecipientsPanelChangeListener implements RecipientsPanel.RecipientsPanelChangedListener {
+    @Override
     public void onRecipientsPanelUpdate(Recipients recipients) {
       initializeSecurity();
       initializeTitleBar();
@@ -684,10 +705,12 @@ public class ConversationActivity extends SherlockFragmentActivity
   }
 
   private class SendButtonListener implements OnClickListener, TextView.OnEditorActionListener {
+    @Override
     public void onClick(View v) {
       sendMessage(false);
     }
 
+    @Override
     public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
       if (actionId == EditorInfo.IME_ACTION_SEND) {
         sendButton.performClick();
@@ -699,15 +722,19 @@ public class ConversationActivity extends SherlockFragmentActivity
   };
 
   private class OnTextChangedListener implements TextWatcher {
+    @Override
     public void afterTextChanged(Editable s) {
       calculateCharactersRemaining();
     }
+    @Override
     public void beforeTextChanged(CharSequence s, int start, int count,int after) {}
+    @Override
     public void onTextChanged(CharSequence s, int start, int before,int count) {}
 
   }
 
   private class ComposeKeyPressedListener implements OnKeyListener {
+    @Override
     public boolean onKey(View v, int keyCode, KeyEvent event) {
       if (event.getAction() == KeyEvent.ACTION_DOWN) {
         if (keyCode == KeyEvent.KEYCODE_ENTER) {
diff --git a/src/org/thoughtcrime/securesms/ConversationListActivity.java b/src/org/thoughtcrime/securesms/ConversationListActivity.java
index 1c76c00846..ccec259080 100644
--- a/src/org/thoughtcrime/securesms/ConversationListActivity.java
+++ b/src/org/thoughtcrime/securesms/ConversationListActivity.java
@@ -9,6 +9,7 @@ import android.content.IntentFilter;
 import android.content.ServiceConnection;
 import android.content.SharedPreferences;
 import android.database.ContentObserver;
+import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
@@ -17,11 +18,6 @@ import android.provider.ContactsContract;
 import android.util.Log;
 import android.view.WindowManager;
 
-import com.actionbarsherlock.app.SherlockFragmentActivity;
-import com.actionbarsherlock.view.Menu;
-import com.actionbarsherlock.view.MenuInflater;
-import com.actionbarsherlock.view.MenuItem;
-
 import org.thoughtcrime.securesms.ApplicationExportManager.ApplicationExportListener;
 import org.thoughtcrime.securesms.crypto.DecryptingQueue;
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
@@ -35,6 +31,11 @@ import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.thoughtcrime.securesms.service.SendReceiveService;
 import org.thoughtcrime.securesms.util.MemoryCleaner;
 
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuInflater;
+import com.actionbarsherlock.view.MenuItem;
+
 public class ConversationListActivity extends SherlockFragmentActivity
     implements ConversationListFragment.ConversationSelectedListener
   {
@@ -63,7 +64,6 @@ public class ConversationListActivity extends SherlockFragmentActivity
   @Override
   protected void onNewIntent(Intent intent) {
     super.onNewIntent(intent);
-    Log.w("SecureSMS", "Got onNewIntent...");
     createConversationIfNecessary(intent);
   }
 
@@ -72,7 +72,6 @@ public class ConversationListActivity extends SherlockFragmentActivity
     super.onPause();
 
     if (newKeyReceiver != null) {
-      Log.w("ConversationListActivity", "Unregistering receiver...");
       unregisterReceiver(newKeyReceiver);
       newKeyReceiver = null;
     }
@@ -81,7 +80,6 @@ public class ConversationListActivity extends SherlockFragmentActivity
   @Override
   public void onResume() {
     super.onResume();
-    Log.w("ConversationListActivity", "onResume called...");
 
     clearNotifications();
     initializeKeyCachingServiceRegistration();
@@ -126,12 +124,12 @@ public class ConversationListActivity extends SherlockFragmentActivity
     super.onOptionsItemSelected(item);
 
     switch (item.getItemId()) {
-    case R.id.menu_new_message:      createConversation(-1, null); return true;
-    case R.id.menu_unlock:           promptForPassphrase();        return true;
-    case R.id.menu_settings:         handleDisplaySettings();      return true;
-    case R.id.menu_export:           handleExportDatabase();       return true;
-    case R.id.menu_import:           handleImportDatabase();       return true;
-    case R.id.menu_clear_passphrase: handleClearPassphrase();      return true;
+    case R.id.menu_new_message:      createConversation(-1, null, null, null, null); return true;
+    case R.id.menu_unlock:           promptForPassphrase();                          return true;
+    case R.id.menu_settings:         handleDisplaySettings();                        return true;
+    case R.id.menu_export:           handleExportDatabase();                         return true;
+    case R.id.menu_import:           handleImportDatabase();                         return true;
+    case R.id.menu_clear_passphrase: handleClearPassphrase();                        return true;
     }
 
     return false;
@@ -139,21 +137,25 @@ public class ConversationListActivity extends SherlockFragmentActivity
 
   @Override
   public void onCreateConversation(long threadId, Recipients recipients) {
-    createConversation(threadId, recipients);
+    createConversation(threadId, recipients, null, null, null);
   }
 
-  private void createConversation(long threadId, Recipients recipients) {
+  private void createConversation(long threadId, Recipients recipients,
+                                  String text, Uri imageUri, Uri audioUri)
+  {
     if (this.masterSecret == null) {
       promptForPassphrase();
       return;
     }
 
-    Log.w("ConversationListActivity", "Creating conversation: " + threadId);
-
     Intent intent = new Intent(this, ConversationActivity.class);
-    intent.putExtra("recipients", recipients);
-    intent.putExtra("thread_id", threadId);
-    intent.putExtra("master_secret", masterSecret);
+    intent.putExtra(ConversationActivity.RECIPIENTS_EXTRA, recipients);
+    intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId);
+    intent.putExtra(ConversationActivity.MASTER_SECRET_EXTRA, masterSecret);
+    intent.putExtra(ConversationActivity.DRAFT_TEXT_EXTRA, text);
+    intent.putExtra(ConversationActivity.DRAFT_IMAGE_EXTRA, imageUri);
+    intent.putExtra(ConversationActivity.DRAFT_AUDIO_EXTRA, audioUri);
+
     startActivity(intent);
   }
 
@@ -322,27 +324,39 @@ public class ConversationListActivity extends SherlockFragmentActivity
   }
 
   private void createConversationIfNecessary(Intent intent) {
-    Log.w("ConversationListActivity", "createConversationIfNecessary called");
     long thread           = intent.getLongExtra("thread_id", -1L);
+    String type           = intent.getType();
     Recipients recipients = null;
+    String draftText      = null;
+    Uri draftImage        = null;
+    Uri draftAudio        = null;
 
-    if (intent.getAction() != null && intent.getAction().equals("android.intent.action.SENDTO")) {
-      Log.w("ConversationListActivity", "Intent has sendto action...");
+    if (Intent.ACTION_SENDTO.equals(intent.getAction())) {
       try {
         recipients = RecipientFactory.getRecipientsFromString(this, intent.getData().getSchemeSpecificPart(), false);
         thread     = DatabaseFactory.getThreadDatabase(this).getThreadIdIfExistsFor(recipients);
       } catch (RecipientFormattingException rfe) {
         recipients = null;
       }
+    } else if (Intent.ACTION_SEND.equals(intent.getAction())) {
+      if ("text/plain".equals(type)) {
+        draftText = intent.getStringExtra(Intent.EXTRA_TEXT);
+      } else if (type.startsWith("image/")) {
+        draftImage = intent.getParcelableExtra(Intent.EXTRA_STREAM);
+      } else if (type.startsWith("audio/")) {
+        draftAudio = intent.getParcelableExtra(Intent.EXTRA_STREAM);
+      }
     } else {
       recipients = intent.getParcelableExtra("recipients");
     }
 
-    if (recipients != null) {
-      Log.w("ConversationListActivity", "Creating conversation: " + thread + " , " + recipients);
-      createConversation(thread, recipients);
+    if (recipients != null || Intent.ACTION_SEND.equals(intent.getAction())) {
+      createConversation(thread, recipients, draftText, draftImage, draftAudio);
+
       intent.putExtra("thread_id", -1L);
       intent.putExtra("recipients", (Parcelable)null);
+      intent.putExtra(Intent.EXTRA_TEXT, (String)null);
+      intent.putExtra(Intent.EXTRA_STREAM, (Parcelable)null);
       intent.setAction(null);
     }
   }
@@ -360,6 +374,7 @@ public class ConversationListActivity extends SherlockFragmentActivity
   }
 
   private ServiceConnection serviceConnection = new ServiceConnection() {
+    @Override
     public void onServiceConnected(ComponentName className, IBinder service) {
       KeyCachingService keyCachingService  = ((KeyCachingService.KeyCachingBinder)service).getService();
       MasterSecret masterSecret            = keyCachingService.getMasterSecret();
@@ -379,16 +394,19 @@ public class ConversationListActivity extends SherlockFragmentActivity
       }
     }
 
+    @Override
     public void onServiceDisconnected(ComponentName name) {}
   };
 
   private class IdentityKeyInitializer implements Runnable {
+    @Override
     public void run() {
       IdentityKeyUtil.generateIdentityKeys(ConversationListActivity.this, masterSecret);
     }
   }
 
   private class AsymmetricMasteSecretInitializer implements Runnable {
+    @Override
     public void run() {
       MasterSecretUtil.generateAsymmetricMasterSecret(ConversationListActivity.this, masterSecret);
     }