1 files changed, 78 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/LatinIMEUtil.java b/java/src/com/android/inputmethod/latin/LatinIMEUtil.java
new file mode 100644
index 000000000..838b4fe10
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/LatinIMEUtil.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 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;
+
+import android.os.AsyncTask;
+import android.text.format.DateUtils;
+import android.util.Log;
+
+public class LatinIMEUtil {
+
+    /**
+     * Cancel an {@link AsyncTask}.
+     *
+     * @param mayInterruptIfRunning <tt>true</tt> if the thread executing this
+     *        task should be interrupted; otherwise, in-progress tasks are allowed
+     *        to complete.
+     */
+    public static void cancelTask(AsyncTask<?, ?, ?> task, boolean mayInterruptIfRunning) {
+        if (task != null && task.getStatus() != AsyncTask.Status.FINISHED) {
+            task.cancel(mayInterruptIfRunning);
+        }
+    }
+
+    public static class GCUtils {
+        private static final String TAG = "GCUtils";
+        public static final int GC_TRY_COUNT = 2;
+        // GC_TRY_LOOP_MAX is used for the hard limit of GC wait,
+        // GC_TRY_LOOP_MAX should be greater than GC_TRY_COUNT.
+        public static final int GC_TRY_LOOP_MAX = 5;
+        private static final long GC_INTERVAL = DateUtils.SECOND_IN_MILLIS;
+        private static GCUtils sInstance = new GCUtils();
+        private int mGCTryCount = 0;
+
+        public static GCUtils getInstance() {
+            return sInstance;
+        }
+
+        public void reset() {
+            mGCTryCount = 0;
+        }
+
+        public boolean tryGCOrWait(String metaData, Throwable t) {
+            if (LatinImeLogger.sDBG) {
+                Log.d(TAG, "Encountered Exception or Error. Try GC.");
+            }
+            if (mGCTryCount == 0) {
+                System.gc();
+            }
+            if (++mGCTryCount > GC_TRY_COUNT) {
+                LatinImeLogger.logOnException(metaData, t);
+                return false;
+            } else {
+                try {
+                    Thread.sleep(GC_INTERVAL);
+                    return true;
+                } catch (InterruptedException e) {
+                    Log.e(TAG, "Sleep was interrupted.");
+                    LatinImeLogger.logOnException(metaData, t);
+                    return false;
+                }
+            }
+        }
+    }
+}