1 files changed, 77 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/keyboard/internal/DrawingHandler.java b/java/src/com/android/inputmethod/keyboard/internal/DrawingHandler.java
new file mode 100644
index 000000000..df82becae
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/internal/DrawingHandler.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2013 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.keyboard.internal;
+
+import android.os.Message;
+
+import com.android.inputmethod.keyboard.Key;
+import com.android.inputmethod.keyboard.internal.DrawingHandler.Callbacks;
+import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.utils.LeakGuardHandlerWrapper;
+
+// TODO: Separate this class into KeyPreviewHandler and BatchInputPreviewHandler or so.
+public class DrawingHandler extends LeakGuardHandlerWrapper<Callbacks> {
+    public interface Callbacks {
+        public void dismissKeyPreviewWithoutDelay(Key key);
+        public void dismissAllKeyPreviews();
+        public void showGestureFloatingPreviewText(SuggestedWords suggestedWords);
+    }
+
+    private static final int MSG_DISMISS_KEY_PREVIEW = 0;
+    private static final int MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 1;
+
+    public DrawingHandler(final Callbacks ownerInstance) {
+        super(ownerInstance);
+    }
+
+    @Override
+    public void handleMessage(final Message msg) {
+        final Callbacks callbacks = getOwnerInstance();
+        if (callbacks == null) {
+            return;
+        }
+        switch (msg.what) {
+        case MSG_DISMISS_KEY_PREVIEW:
+            callbacks.dismissKeyPreviewWithoutDelay((Key)msg.obj);
+            break;
+        case MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT:
+            callbacks.showGestureFloatingPreviewText(SuggestedWords.EMPTY);
+            break;
+        }
+    }
+
+    public void dismissKeyPreview(final long delay, final Key key) {
+        sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, key), delay);
+    }
+
+    private void cancelAllDismissKeyPreviews() {
+        removeMessages(MSG_DISMISS_KEY_PREVIEW);
+        final Callbacks callbacks = getOwnerInstance();
+        if (callbacks == null) {
+            return;
+        }
+        callbacks.dismissAllKeyPreviews();
+    }
+
+    public void dismissGestureFloatingPreviewText(final long delay) {
+        sendMessageDelayed(obtainMessage(MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT), delay);
+    }
+
+    public void cancelAllMessages() {
+        cancelAllDismissKeyPreviews();
+    }
+}