/**
*
* Copyright 2008 - 2011
*
* 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.
*
* @project loon
* @author cping
* @email：javachenpeng@yahoo.com
* @version 0.1.1
*/
package loon;
import java.io.IOException;
import java.util.Hashtable;
import loon.LGame.Location;
import loon.LInput.ClickEvent;
import loon.LInput.SelectEvent;
import loon.LInput.TextEvent;
import loon.core.LRelease;
import loon.core.graphics.opengl.GLEx;
import loon.core.graphics.opengl.LTexture;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.view.View;
public class AndroidViewTools {
final static class ClickAndroid implements
android.content.DialogInterface.OnClickListener,
android.content.DialogInterface.OnCancelListener {
private int selectFlag;
private Object event;
private android.widget.EditText edit;
public ClickAndroid(Object e, int f) {
this.event = e;
this.selectFlag = f;
}
@Override
public void onClick(DialogInterface dialog, int whichButton) {
if (event == null) {
return;
}
if (event instanceof ClickEvent) {
switch (selectFlag) {
case 0:
((ClickEvent) event).clicked();
break;
case 1:
((ClickEvent) event).cancel();
break;
}
} else if (event instanceof SelectEvent) {
switch (selectFlag) {
case 0:
((SelectEvent) event).item(whichButton);
break;
case 1:
((SelectEvent) event).cancel();
break;
}
} else if (event instanceof TextEvent) {
switch (selectFlag) {
case 0:
((TextEvent) event).input(edit.getText().toString());
break;
case 1:
((TextEvent) event).cancel();
break;
}
}
}
public void setInput(android.widget.EditText e) {
if (event instanceof TextEvent) {
this.edit = e;
}
}
@Override
public void onCancel(DialogInterface dialog) {
if (event instanceof ClickEvent) {
switch (selectFlag) {
case 1:
((ClickEvent) event).cancel();
break;
}
} else if (event instanceof SelectEvent) {
switch (selectFlag) {
case 1:
((SelectEvent) event).cancel();
break;
}
} else if (event instanceof TextEvent) {
switch (selectFlag) {
case 1:
((TextEvent) event).cancel();
break;
}
}
}
}
final static class Logo implements LRelease {
private int centerX = 0, centerY = 0;
private float alpha = 0f;
private float curFrame, curTime;
boolean finish, inToOut;
LTexture logo;
public Logo(LTexture texture) {
this.logo = texture;
this.curTime = 60;
this.curFrame = 0;
this.inToOut = true;
}
public void draw(final GLEx gl) {
if (logo == null || finish) {
return;
}
if (!logo.isLoaded()) {
this.logo.loadTexture();
}
if (centerX == 0 || centerY == 0) {
this.centerX = (int) (LSystem.screenRect.width)
/ 2 - logo.getWidth() / 2;
this.centerY = (int) (LSystem.screenRect.height)
/ 2 - logo.getHeight() / 2;
}
if (logo == null || !logo.isLoaded()) {
return;
}
alpha = (curFrame / curTime);
if (inToOut) {
curFrame++;
if (curFrame == curTime) {
alpha = 1f;
inToOut = false;
}
} else if (!inToOut) {
curFrame--;
if (curFrame == 0) {
alpha = 0f;
finish = true;
}
}
gl.reset(true);
gl.setAlpha(alpha);
gl.drawTexture(logo, centerX, centerY);
}
@Override
public void dispose() {
if (logo != null) {
logo.destroy();
logo = null;
}
}
}
final static class Web extends android.webkit.WebView {
/**
* Web自定义脚本(name即代表JavaScript中类名,以"name."形式执行Object封装的具体对象)
* 比如构建一个脚本类名为App,提供一个具体类Home，其中只有一个函数go。那么执行脚本
* App.go时即自动调用相关的Home类中同名函数，并且在Android系统中执行。
*
*/
public interface JavaScript {
// 执行的对象，实际内部应该封装具体类
public Object getObject();
// 脚本类名
public String getName();
}
/**
* Web加载进度监听器
*
*/
public interface WebProcess {
// 页面开始加载
public void onPageStarted(String url, Bitmap favicon);
// 页面加载完成
public void onPageFinished(String url);
// 资源载入
public void onLoadResource(String url);
// 即将重载链接前
public void shouldOverrideUrlLoading(String url);
// 接受请求
public void onReceivedHttpAuthRequest(
android.webkit.HttpAuthHandler handler, String host,
String realm);
}
private LGame activity;
private android.webkit.WebSettings webSettings;
private String url;
public Web(String url) {
this(LSystem.screenActivity, null, url);
}
public Web(String url, WebProcess webProcess) {
this(LSystem.screenActivity, webProcess, url);
}
public Web(LGame activity, String url) {
this(activity, null, url);
}
public Web(final LGame activity, final WebProcess webProcess,
final String url) {
super(activity);
this.url = url;
this.activity = activity;
// 允许显示滚动条
this.setHorizontalScrollBarEnabled(true);
// 清空原有的缓存数据
this.clearCache(true);
// 隐藏当前View
this.setVisible(false);
// 不要背景图
java.lang.reflect.Method drawable = null;
try {
drawable = this.getClass().getMethod("setBackgroundDrawable",
android.graphics.drawable.Drawable.class);
drawable.invoke(this, (android.graphics.drawable.Drawable) null);
} catch (Exception ex) {
try {
drawable = this.getClass().getMethod("setBackground",
android.graphics.drawable.Drawable.class);
drawable.invoke(this,
(android.graphics.drawable.Drawable) null);
} catch (Exception e) {
}
}
// 进行细节设置
webSettings = getSettings();
// 数据库访问权限开启
webSettings.setAllowFileAccess(true);
// 密码保存与Form信息不保存
webSettings.setSavePassword(false);
webSettings.setSaveFormData(false);
if (!webSettings.getJavaScriptEnabled()) {
// 响应JavaScript事件
webSettings.setJavaScriptEnabled(true);
}
// 允许JavaScript脚本打开新的窗口
webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
// 允许自动加载图像资源
webSettings.setLoadsImagesAutomatically(true);
// 不支持网页缩放
webSettings.setSupportZoom(false);
// 当流程监听存在时
if (webProcess != null) {
setWebViewClient(new android.webkit.WebViewClient() {
@Override
public void onPageStarted(android.webkit.WebView view,
String url, Bitmap favicon) {
webProcess.onPageStarted(url, favicon);
super.onPageStarted(view, url, favicon);
}
@Override
public void onPageFinished(android.webkit.WebView view,
String url) {
webProcess.onPageFinished(url);
super.onPageFinished(view, url);
}
@Override
public void onLoadResource(android.webkit.WebView view,
String url) {
webProcess.onLoadResource(url);
super.onLoadResource(view, url);
}
@Override
public boolean shouldOverrideUrlLoading(
android.webkit.WebView view, String url) {
webProcess.shouldOverrideUrlLoading(url);
return super.shouldOverrideUrlLoading(view, url);
}
@Override
public void onReceivedHttpAuthRequest(
android.webkit.WebView view,
android.webkit.HttpAuthHandler handler,
String host, String realm) {
webProcess.onReceivedHttpAuthRequest(handler, host,
realm);
super.onReceivedHttpAuthRequest(view, handler, host,
realm);
}
});
}
// 加载进度条
final android.widget.ProgressBar progress = new android.widget.ProgressBar(
activity);
activity.addView(progress, Location.CENTER);
setWebChromeClient(new android.webkit.WebChromeClient() {
@Override
public void onProgressChanged(
final android.webkit.WebView view, final int newProgress) {
LSystem.runOnUiThread(new Runnable() {
@Override
public void run() {
progress.setProgress(newProgress);
progress.setVisibility(newProgress == 100 ? View.GONE
: View.VISIBLE);
if (newProgress == 100) {
activity.removeView(progress);
}
setVisible(newProgress == 100 ? true : false);
}
});
}
});
if (url != null) {
loadUrl(url);
}
}
/**
* 像当前Web界面进行内部标记性赋值
*
* @param name
* @param value
*/
@SuppressWarnings("unchecked")
public void setWebParams(String name, Object value) {
Hashtable<String, Object> params = null;
if (getTag() == null) {
params = new Hashtable<String, Object>();
setTag(params);
} else {
params = (Hashtable<String, Object>) getTag();
}
params.put(name, value);
}
/**
* 获得当前Web界面的内部标记性传参
*
* @param name
* @return
*/
@SuppressWarnings("unchecked")
public Object getWebParams(String name) {
if (getTag() == null) {
setTag(new Hashtable<String, Object>());
}
Hashtable<String, Object> params = (Hashtable<String, Object>) getTag();
return params.get(name);
}
/**
* 添加一组自制JavaScript脚本到当前Web界面当中
*
* @param sprites
*/
public void addJavaScripts(JavaScript[] sprites) {
for (int i = 0; i < sprites.length; i++) {
this.addJavascriptInterface(sprites[i].getObject(),
sprites[i].getName());
}
}
/**
* 添加自制JavaScript脚本到当前Web界面当中
*
* @param sprite
*/
public void addJavaScripts(JavaScript sprite) {
this.addJavascriptInterface(sprite.getObject(), sprite.getName());
}
public void setVisible(boolean isVisible) {
if (isVisible) {
this.setVisibility(View.VISIBLE);
} else {
this.setVisibility(View.GONE);
}
}
public void callScriptFunction(String function) {
super.loadUrl("javascript:" + function);
}
/**
* 通过Intent进行跳转
*
* @param intent
*/
public void loadIntent(Intent intent) {
this.loadUrl(intent.getStringExtra(android.app.SearchManager.QUERY));
}
/**
* 通过Url进行跳转
*/
@Override
public void loadUrl(String url) {
boolean isURL = url.startsWith("http://")
|| url.startsWith("https://") || url.startsWith("ftp://");
if (!isURL) {
try {
if (activity.getAssets().open(url) != null) {
super.loadUrl("file:///android_asset/" + url);
} else {
super.loadUrl("http://" + url);
}
} catch (IOException e) {
super.loadUrl("http://" + url);
}
} else {
super.loadUrl(url);
}
}
public void loadData(String data) {
loadData(data, "text/html", LSystem.encoding);
}
public void loadData(String data, String encoding) {
super.loadData(data, "text/html", encoding);
}
public android.webkit.WebSettings getWebSettings() {
return webSettings;
}
public String getURL() {
return url;
}
}
}