Use contextual action bar menu for conversation items.

res/drawable/conversation_item_background.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_enabled="true" android:state_selected="true"
+          android:drawable="@drawable/list_selected_holo_light" />
+</selector>

res/drawable/conversation_item_background_dark.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_enabled="true" android:state_selected="true"
+          android:drawable="@drawable/list_selected_holo_dark" />
+</selector>

res/layout/conversation_item_received.xml

@@ -4,6 +4,7 @@
     android:layout_height="wrap_content"
     android:paddingRight="10dip"
     android:orientation="vertical"
+    android:background="?conversation_item_background"
     xmlns:android="http://schemas.android.com/apk/res/android">
 
     <TextView android:id="@+id/group_message_status"

res/layout/conversation_item_sent.xml

@@ -4,7 +4,8 @@
     android:id="@+id/conversation_item"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    android:background="?conversation_item_background" >
 
     <RelativeLayout android:layout_width="match_parent"
                     android:layout_height="wrap_content"

res/menu/conversation_context.xml

@@ -1,18 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:title="@string/conversation_context__menu_copy_text"
+    <item android:title="@string/conversation_context__menu_message_details"
-          android:id="@+id/menu_context_copy" />
+          android:id="@+id/menu_context_details"
+          android:icon="?menu_info_icon"
+          android:showAsAction="always" />
 
     <item android:title="@string/conversation_context__menu_delete_message"
-          android:id="@+id/menu_context_delete_message" />
+        android:id="@+id/menu_context_delete_message"
+        android:icon="?menu_trash_icon"
+        android:showAsAction="always" />
 
-    <item android:title="@string/conversation_context__menu_message_details"
+    <item android:title="@string/conversation_context__menu_copy_text"
-          android:id="@+id/menu_context_details" />
+          android:id="@+id/menu_context_copy"
+          android:icon="?menu_copy_icon"
+          android:showAsAction="always" />
 
     <item android:title="@string/conversation_context__menu_forward_message"
-          android:id="@+id/menu_context_forward" />
+          android:id="@+id/menu_context_forward"
+          android:icon="?menu_forward_icon"
+          android:showAsAction="ifRoom" />
 
     <item android:title="@string/conversation_context__menu_resend_message"
           android:id="@+id/menu_context_resend"
-          android:visible="false" />
+          android:visible="false"
+          android:showAsAction="never" />
+
+    <item android:title="@string/conversation_context_image__save_attachment"
+          android:id="@+id/menu_context_save_attachment"
+          android:visible="false"
+          android:icon="?menu_save_icon"
+          android:showAsAction="always" />
 </menu>

res/menu/conversation_context_image.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:title="@string/conversation_context_image__save_attachment"
-          android:id="@+id/menu_context_save_attachment" />
-</menu>

res/values/attrs.xml

@@ -32,6 +32,7 @@
     <attr name="conversation_emoji_toggle" format="reference"/>
     <attr name="conversation_keyboard_toggle" format="reference"/>
 
+    <attr name="conversation_item_background" format="reference"/>
     <attr name="conversation_item_received_background" format="reference" />
     <attr name="conversation_item_received_triangle_background" format="reference" />
     <attr name="conversation_item_sent_background" format="reference" />
@@ -69,6 +70,10 @@
     <attr name="menu_split_icon" format="reference" />
     <attr name="menu_accept_icon" format="reference" />
     <attr name="menu_refresh_directory" format="reference" />
+    <attr name="menu_copy_icon" format="reference" />
+    <attr name="menu_info_icon" format="reference" />
+    <attr name="menu_forward_icon" format="reference" />
+    <attr name="menu_save_icon" format="reference" />
 
     <declare-styleable name="ForegroundImageView">
         <attr name="android:foreground" />

res/values/themes.xml

@@ -47,6 +47,7 @@
         <item name="conversation_emoji_toggle">@drawable/ic_emoji_dark</item>
         <item name="conversation_keyboard_toggle">@drawable/ic_ime_dark</item>
 
+        <item name="conversation_item_background">@drawable/conversation_item_background</item>
         <item name="conversation_item_received_background">@drawable/conversation_item_received_shape</item>
         <item name="conversation_item_received_triangle_background">@drawable/conversation_item_received_triangle_shape</item>
         <item name="conversation_item_sent_background">@drawable/conversation_item_sent_shape</item>
@@ -74,6 +75,10 @@
         <item name="menu_split_icon">@drawable/ic_menu_split_holo_light</item>
         <item name="menu_accept_icon">@drawable/ic_menu_accept_holo_light</item>
         <item name="menu_refresh_directory">@drawable/ic_menu_refresh_holo_light</item>
+        <item name="menu_copy_icon">@drawable/ic_action_copy_holo_light</item>
+        <item name="menu_info_icon">@drawable/ic_dialog_info_holo_light</item>
+        <item name="menu_forward_icon">@drawable/ic_action_forward_holo_light</item>
+        <item name="menu_save_icon">@drawable/ic_action_save_holo_light</item>
     </style>
 
     <style name="TextSecure.LightTheme.NavigationDrawer"
@@ -110,6 +115,7 @@
         <item name="contact_selection_label_text">#66eeeeee</item>
         <item name="conversation_selection_header_text">#66eeeeee</item>
 
+        <item name="conversation_item_background">@drawable/conversation_item_background_dark</item>
         <item name="conversation_item_received_background">@drawable/conversation_item_received_shape_dark</item>
         <item name="conversation_item_received_triangle_background">@drawable/conversation_item_received_triangle_shape_dark</item>
         <item name="conversation_item_sent_background">@drawable/conversation_item_sent_shape_dark</item>
@@ -150,6 +156,10 @@
         <item name="menu_split_icon">@drawable/ic_menu_split_holo_dark</item>
         <item name="menu_accept_icon">@drawable/ic_menu_accept_holo_dark</item>
         <item name="menu_refresh_directory">@drawable/ic_menu_refresh_holo_dark</item>
+        <item name="menu_copy_icon">@drawable/ic_action_copy_holo_dark</item>
+        <item name="menu_info_icon">@drawable/ic_dialog_info_holo_dark</item>
+        <item name="menu_forward_icon">@drawable/ic_action_forward_holo_dark</item>
+        <item name="menu_save_icon">@drawable/ic_action_save_holo_dark</item>
     </style>
 
     <style name="TextSecure.DarkTheme.NavigationDrawer"

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -8,7 +8,6 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.database.Cursor;
 import android.media.MediaScannerConnection;
-import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.Environment;
@@ -17,17 +16,20 @@ import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
 import android.text.ClipboardManager;
 import android.util.Log;
-import android.view.ContextMenu;
 import android.view.LayoutInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.support.v4.widget.CursorAdapter;
 import android.webkit.MimeTypeMap;
+import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.Toast;
 
 import com.actionbarsherlock.app.SherlockListFragment;
+import com.actionbarsherlock.view.ActionMode;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuInflater;
+import com.actionbarsherlock.view.MenuItem;
 
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.loaders.ConversationLoader;
@@ -63,6 +65,7 @@ public class ConversationFragment extends SherlockListFragment
   private MasterSecret masterSecret;
   private Recipients   recipients;
   private long         threadId;
+  private ActionMode   actionMode;
 
   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
@@ -75,49 +78,7 @@ public class ConversationFragment extends SherlockListFragment
 
     initializeResources();
     initializeListAdapter();
-    registerForContextMenu(getListView());
+    initializeContextualActionBar();
-  }
-
-  @Override
-  public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
-    android.view.MenuInflater inflater = this.getSherlockActivity().getMenuInflater();
-    menu.clear();
-
-    inflater.inflate(R.menu.conversation_context, menu);
-
-    MessageRecord messageRecord = getMessageRecord();
-
-    if (messageRecord.isFailed()) {
-      MenuItem resend = menu.findItem(R.id.menu_context_resend);
-      resend.setVisible(true);
-    }
-
-    if (messageRecord.isMms() && !messageRecord.isMmsNotification()) {
-      try {
-        if (((MediaMmsMessageRecord)messageRecord).getSlideDeck().get().containsMediaSlide()) {
-          inflater.inflate(R.menu.conversation_context_image, menu);
-        }
-      } catch (InterruptedException ie) {
-        Log.w(TAG, ie);
-      } catch (ExecutionException ee) {
-        Log.w(TAG, ee);
-      }
-    }
-  }
-
-  @Override
-  public boolean onContextItemSelected(android.view.MenuItem item) {
-    MessageRecord messageRecord = getMessageRecord();
-    switch(item.getItemId()) {
-    case R.id.menu_context_copy:           handleCopyMessage(messageRecord);     return true;
-    case R.id.menu_context_delete_message: handleDeleteMessage(messageRecord);   return true;
-    case R.id.menu_context_details:        handleDisplayDetails(messageRecord);  return true;
-    case R.id.menu_context_forward:        handleForwardMessage(messageRecord);  return true;
-    case R.id.menu_context_resend:         handleResendMessage(messageRecord);   return true;
-    case R.id.menu_context_save_attachment:handleSaveAttachment(messageRecord);  return true;
-    }
-
-    return false;
   }
 
   @Override
@@ -126,6 +87,75 @@ public class ConversationFragment extends SherlockListFragment
     this.listener = (ConversationFragmentListener)activity;
   }
 
+  private void initializeResources() {
+    String recipientIds = this.getActivity().getIntent().getStringExtra("recipients");
+
+    this.masterSecret = this.getActivity().getIntent().getParcelableExtra("master_secret");
+    this.recipients   = RecipientFactory.getRecipientsForIds(getActivity(), recipientIds, true);
+    this.threadId     = this.getActivity().getIntent().getLongExtra("thread_id", -1);
+  }
+
+  private void initializeListAdapter() {
+    if (this.recipients != null && this.threadId != -1) {
+      this.setListAdapter(new ConversationAdapter(getActivity(), masterSecret,
+                                                  new FailedIconClickHandler(),
+                                                  (!this.recipients.isSingleRecipient()) || this.recipients.isGroupRecipient(),
+                                                  DirectoryHelper.isPushDestination(getActivity(), this.recipients)));
+      getListView().setRecyclerListener((ConversationAdapter)getListAdapter());
+      getLoaderManager().initLoader(0, null, this);
+    }
+  }
+
+  private void initializeContextualActionBar() {
+    getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+      @Override
+      public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+        if (actionMode != null) {
+          view.setSelected(true);
+          return false;
+        }
+
+        actionMode = getSherlockActivity().startActionMode(actionModeCallback);
+        view.setSelected(true);
+        return true;
+      }
+    });
+
+    getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
+      @Override
+      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        if (actionMode != null) {
+          view.setSelected(true);
+          setCorrectMenuVisibility(getMessageRecord(), actionMode.getMenu());
+        }
+      }
+    });
+  }
+
+  private void setCorrectMenuVisibility(MessageRecord messageRecord, Menu menu) {
+    MenuItem resend         = menu.findItem(R.id.menu_context_resend);
+    MenuItem saveAttachment = menu.findItem(R.id.menu_context_save_attachment);
+
+    if (messageRecord.isFailed()) resend.setVisible(true);
+    else                          resend.setVisible(false);
+
+    if (messageRecord.isMms() && !messageRecord.isMmsNotification()) {
+      try {
+        if (((MediaMmsMessageRecord)messageRecord).getSlideDeck().get().containsMediaSlide()) {
+          saveAttachment.setVisible(true);
+        } else {
+          saveAttachment.setVisible(false);
+        }
+      } catch (InterruptedException ie) {
+        Log.w(TAG, ie);
+      } catch (ExecutionException ee) {
+        Log.w(TAG, ee);
+      }
+    } else {
+      saveAttachment.setVisible(false);
+    }
+  }
+
   private MessageRecord getMessageRecord() {
     Cursor cursor                     = ((CursorAdapter)getListAdapter()).getCursor();
     ConversationItem conversationItem = (ConversationItem)(((ConversationAdapter)getListAdapter()).newView(getActivity(), cursor, null));
@@ -246,25 +276,6 @@ public class ConversationFragment extends SherlockListFragment
     builder.show();
   }
 
-  private void initializeResources() {
-    String recipientIds = this.getActivity().getIntent().getStringExtra("recipients");
-
-    this.masterSecret = this.getActivity().getIntent().getParcelableExtra("master_secret");
-    this.recipients   = RecipientFactory.getRecipientsForIds(getActivity(), recipientIds, true);
-    this.threadId     = this.getActivity().getIntent().getLongExtra("thread_id", -1);
-  }
-
-  private void initializeListAdapter() {
-    if (this.recipients != null && this.threadId != -1) {
-      this.setListAdapter(new ConversationAdapter(getActivity(), masterSecret,
-                                                  new FailedIconClickHandler(),
-                                                  (!this.recipients.isSingleRecipient()) || this.recipients.isGroupRecipient(),
-                                                  DirectoryHelper.isPushDestination(getActivity(), this.recipients)));
-      getListView().setRecyclerListener((ConversationAdapter)getListAdapter());
-      getLoaderManager().initLoader(0, null, this);
-    }
-  }
-
   @Override
   public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
     return new ConversationLoader(getActivity(), threadId);
@@ -293,6 +304,69 @@ public class ConversationFragment extends SherlockListFragment
     public void setComposeText(String text);
   }
 
+  private ActionMode.Callback actionModeCallback = new ActionMode.Callback() {
+
+    @Override
+    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+      MenuInflater inflater = mode.getMenuInflater();
+      inflater.inflate(R.menu.conversation_context, menu);
+
+      MessageRecord messageRecord = getMessageRecord();
+      setCorrectMenuVisibility(messageRecord, menu);
+
+      return true;
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode actionMode, Menu menu) {
+      return false;
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode mode) {
+      if (getListView() != null && getListView().getChildCount() > 0) {
+        for (int i = 0; i < getListView().getChildCount(); i++){
+          getListView().getChildAt(i).setSelected(false);
+        }
+      }
+      actionMode = null;
+    }
+
+    @Override
+    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+      MessageRecord messageRecord = getMessageRecord();
+
+      switch(item.getItemId()) {
+        case R.id.menu_context_copy:
+          handleCopyMessage(messageRecord);
+          actionMode.finish();
+          return true;
+        case R.id.menu_context_delete_message:
+          handleDeleteMessage(messageRecord);
+          actionMode.finish();
+          return true;
+        case R.id.menu_context_details:
+          handleDisplayDetails(messageRecord);
+          actionMode.finish();
+          return true;
+        case R.id.menu_context_forward:
+          handleForwardMessage(messageRecord);
+          actionMode.finish();
+          return true;
+        case R.id.menu_context_resend:
+          handleResendMessage(messageRecord);
+          actionMode.finish();
+          return true;
+        case R.id.menu_context_save_attachment:
+          handleSaveAttachment(messageRecord);
+          actionMode.finish();
+          return true;
+      }
+
+      return false;
+    }
+  };
+
   private class SaveAttachmentTask extends AsyncTask<MediaMmsMessageRecord, Void, Integer> {
 
     private static final int SUCCESS              = 0;