/*
?*??Copyright?（c）?2013?Facebook?Inc.
?*??All?rights?reserved.
?*
?*??This?source?code?is?licensed?under?the?BSD-style?license?found?in?the
?*??LICENSE?file?in?the?root?directory?of?this?source?tree.?An?additional?grant
?*??of?patent?rights?can?be?found?in?the?PATENTS?file?in?the?same?directory.
?*
?*/

package?com.facebook.rebound;

import?android.annotation.TargetApi;
import?android.os.Build;
import?android.os.Handler;
import?android.os.SystemClock;
import?android.view.Choreographer;

/**
?*?Android?version?of?the?spring?looper?that?uses?the?most?appropriate?frame?callback?mechanism
?*?available.?It?uses?Android‘s?{@link?Choreographer}?when?available?otherwise?it?uses?a
?*?{@link?Handler}.
?*/
abstract?class?AndroidSpringLooperFactory?{

??/**
???*?Create?an?Android?{@link?com.facebook.rebound.SpringLooper}?for?the?detected?Android?platform.
???*?@return?a?SpringLooper
???*/
??public?static?SpringLooper?createSpringLooper（）?{
????if?（Build.VERSION.SDK_INT?>=?Build.VERSION_CODES.JELLY_BEAN）?{
??????return?ChoreographerAndroidSpringLooper.create（）;
????}?else?{
??????return?LegacyAndroidSpringLooper.create（）;
????}
??}

??/**
???*?The?base?implementation?of?the?Android?spring?looper?using?a?{@link?Handler}?for?the
???*?frame?callbacks.
???*/
??private?static?class?LegacyAndroidSpringLooper?extends?SpringLooper?{

????private?final?Handler?mHandler;
????private?final?Runnable?mLooperRunnable;
????private?boolean?mStarted;
????private?long?mLastTime;

????/**
?????*?@return?an?Android?spring?looper?using?a?new?{@link?Handler}?instance
?????*/
????public?static?SpringLooper?create（）?{
??????return?new?LegacyAndroidSpringLooper（new?Handler（））;
????}

????public?LegacyAndroidSpringLooper（Handler?handler）?{
??????mHandler?=?handler;
??????mLooperRunnable?=?new?Runnable（）?{
????????@Override
????????public?void?run（）?{
??????????if?（!mStarted?||?mSpringSystem?==?null）?{
????????????return;
??????????}
??????????long?currentTime?=?SystemClock.uptimeMillis（）;
??????????mSpringSystem.loop（currentTime?-?mLastTime）;
??????????mHandler.post（mLooperRunnable）;
????????}
??????};
????}

????@Override
????public?void?start（）?{
??????if?（mStarted）?{
????????return;
??????}
??????mStarted?=?true;
??????mLastTime?=?SystemClock.uptimeMillis（）;
??????mHandler.removeCallbacks（mLooperRunnable）;
??????mHandler.post（mLooperRunnable）;
????}

????@Override
????public?void?stop（）?{
??????mStarted?=?false;
??????mHandler.removeCallbacks（mLooperRunnable）;
????}
??}

??/**
???*?The?Jelly?Bean?and?up?implementation?of?the?spring?looper?that?uses?Android‘s
???*?{@link?Choreographer}?instead?of?a?{@link?Handler}
???*/
??@TargetApi（Build.VERSION_CODES.JELLY_BEAN）
??private?static?class?ChoreographerAndroidSpringLooper?extends?SpringLooper?{

????private?final?Choreographer?mChoreographer;
????private?final?Choreographer.frameCallback?mframeCallback;
????private?boolean?mStarted;
????private?long?mLastTime;

????/**
?????*?@return?an?Android?spring?choreographer?using?the?syst

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\
?????文件?????????108??2015-03-20?01:20??ToggleButton-master\.gitignore
?????文件????????1403??2015-03-20?01:20??ToggleButton-master\README.md
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\
?????文件?????????466??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\.classpath
?????文件?????????818??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\.project
?????文件?????????277??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\AndroidManifest.xml
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\bin\
?????文件?????????277??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\bin\AndroidManifest.xml
?????文件?????????456??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\bin\R.txt
?????文件???????35814??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\bin\togglebuttonlib.jar
?????文件?????????893??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\build.gradle
?????文件?????????781??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\proguard-project.txt
?????文件?????????584??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\project.properties
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\res\
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\res\values\
?????文件?????????550??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\res\values\toggle_button_attrs.xml
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\
?????目錄???????????0??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\
?????文件????????4148??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\AndroidSpringLooperFactory.java
?????文件????????5751??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\baseSpringSystem.java
?????文件?????????733??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\OrigamiValueConverter.java
?????文件?????????665??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SimpleSpringListener.java
?????文件???????16862??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\Spring.java
?????文件????????1430??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SpringConfig.java
?????文件????????2571??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SpringConfigRegistry.java
?????文件????????1037??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SpringListener.java
?????文件????????1208??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SpringLooper.java
?????文件?????????639??2015-03-20?01:20??ToggleButton-master\ToggleButtonLib\src\com\facebook\rebound\SpringSystem.java
............此處省略66個文件信息