| 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package org.chromium.base; |
| 6 | |
| 7 | import android.os.Handler; |
| 8 | import android.os.Message; |
| 9 | import android.os.SystemClock; |
| 10 | |
| 11 | import java.util.concurrent.atomic.AtomicBoolean; |
| 12 | |
| 13 | class SystemMessageHandler extends Handler { |
| 14 | |
| 15 | private static final int TIMER_MESSAGE = 1; |
| 16 | private static final int DELAYED_TIMER_MESSAGE = 2; |
| 17 | |
| 18 | // Native class pointer set by the constructor of the SharedClient native class. |
| 19 | private int mMessagePumpDelegateNative = 0; |
| 20 | |
| 21 | private SystemMessageHandler(int messagePumpDelegateNative) { |
| 22 | mMessagePumpDelegateNative = messagePumpDelegateNative; |
| 23 | } |
| 24 | |
| 25 | @Override |
| 26 | public void handleMessage(Message msg) { |
| 27 | nativeDoRunLoopOnce(mMessagePumpDelegateNative); |
| 28 | } |
| 29 | |
| 30 | @SuppressWarnings("unused") |
| 31 | @CalledByNative |
| 32 | private void setTimer() { |
| 33 | sendEmptyMessage(TIMER_MESSAGE); |
| 34 | } |
| 35 | |
| 36 | @SuppressWarnings("unused") |
| 37 | @CalledByNative |
| 38 | private void setDelayedTimer(long millis) { |
| 39 | removeMessages(DELAYED_TIMER_MESSAGE); |
| 40 | sendEmptyMessageDelayed(DELAYED_TIMER_MESSAGE, millis); |
| 41 | } |
| 42 | |
| 43 | @SuppressWarnings("unused") |
| 44 | @CalledByNative |
| 45 | private void removeTimer() { |
| 46 | removeMessages(TIMER_MESSAGE); |
| 47 | } |
| 48 | |
| 49 | @CalledByNative |
| 50 | private static SystemMessageHandler create(int messagePumpDelegateNative) { |
| 51 | return new SystemMessageHandler(messagePumpDelegateNative); |
| 52 | } |
| 53 | |
| 54 | private native void nativeDoRunLoopOnce(int messagePumpDelegateNative); |
| 55 | } |