2 files changed, 81 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index b4a1c3e65..1b1d5e7e5 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -2263,6 +2263,47 @@ public final class InputLogic {
         mConnection.setComposingText(composingTextToBeSet, newCursorPosition);
     }
 
+    /**
+     * Gets an object allowing private IME commands to be sent to the
+     * underlying editor.
+     * @return An object for sending private commands to the underlying editor.
+     */
+    public PrivateCommandPerformer getPrivateCommandPerformer() {
+        return mConnection;
+    }
+
+    /**
+     * Gets the expected index of the first char of the composing span within the editor's text.
+     * Returns a negative value in case there appears to be no valid composing span.
+     *
+     * @see #getComposingLength()
+     * @see RichInputConnection#hasSelection()
+     * @see RichInputConnection#isCursorPositionKnown()
+     * @see RichInputConnection#getExpectedSelectionStart()
+     * @see RichInputConnection#getExpectedSelectionEnd()
+     * @return The expected index in Java chars of the first char of the composing span.
+     */
+    // TODO: try and see if we can get rid of this method. Ideally the users of this class should
+    // never need to know this.
+    public int getComposingStart() {
+        if (!mConnection.isCursorPositionKnown() || mConnection.hasSelection()) {
+            return -1;
+        }
+        return mConnection.getExpectedSelectionStart() - mWordComposer.size();
+    }
+
+    /**
+     * Gets the expected length in Java chars of the composing span.
+     * May be 0 if there is no valid composing span.
+     * @see #getComposingStart()
+     * @return The expected length of the composing span.
+     */
+    // TODO: try and see if we can get rid of this method. Ideally the users of this class should
+    // never need to know this.
+    public int getComposingLength() {
+        return mWordComposer.size();
+    }
+
     //////////////////////////////////////////////////////////////////////////////////////////////
     // Following methods are tentatively placed in this class for the integration with
     // TextDecorator.
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/PrivateCommandPerformer.java b/java/src/com/android/inputmethod/latin/inputlogic/PrivateCommandPerformer.java
new file mode 100644
index 000000000..42eaa9c82
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/inputlogic/PrivateCommandPerformer.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin.inputlogic;
+
+import android.os.Bundle;
+
+/**
+ * Provides an interface matching
+ * {@link android.view.inputmethod.InputConnection#performPrivateCommand(String,Bundle)}.
+ */
+public interface PrivateCommandPerformer {
+    /**
+     * API to send private commands from an input method to its connected
+     * editor. This can be used to provide domain-specific features that are
+     * only known between certain input methods and their clients.
+     *
+     * @param action Name of the command to be performed. This must be a scoped
+     *            name, i.e. prefixed with a package name you own, so that
+     *            different developers will not create conflicting commands.
+     * @param data Any data to include with the command.
+     * @return true if the command was sent (regardless of whether the
+     * associated editor understood it), false if the input connection is no
+     * longer valid.
+     */
+    boolean performPrivateCommand(String action, Bundle data);
+}