com.polyvi.plugins.weibo.WebViewHandler.java Source code

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Here is the source code for com.polyvi.plugins.weibo.WebViewHandler.java

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/*
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements. See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership. The ASF licenses this file
 to you 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.polyvi.plugins.weibo;

import org.apache.cordova.api.CallbackContext;
import org.apache.cordova.api.PluginResult;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.graphics.Bitmap;
import android.webkit.CookieSyncManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class WebViewHandler {
    private WebView mWebView;
    private final String CODE = "access_token";
    private boolean mTokenReceived = true;
    private WebViewLayout webViewLayout;
    private WeiboContent mWeiboContent;
    private Activity mActivity;
    private CallbackContext mCallbackContext;

    public WebViewHandler(Activity activity, CallbackContext callbackContext, WeiboContent weiboContent) {
        mActivity = activity;
        mCallbackContext = callbackContext;
        mWeiboContent = weiboContent;
        webViewLayout = new WebViewLayout(activity);
        mWebView = webViewLayout.getWebView();
        initData();
    }

    private void initData() {
        mWebView.setWebViewClient(new WeiboWebViewClient(mWeiboContent.getRedirectorUrl()));
        CookieSyncManager.createInstance(mActivity);
        mWebView.loadUrl(mWeiboContent.getUrl());
    }

    private class WeiboWebViewClient extends WebViewClient {
        private String mRedirectorUrl;

        public WeiboWebViewClient(String redirectorUrl) {
            mRedirectorUrl = redirectorUrl;
        }

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            webViewLayout.showProgress();
            return false;
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            mCallbackContext.error(description);
            webViewLayout.destroy();
        }

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            webViewLayout.showProgress();
            if (mTokenReceived && url.startsWith(mRedirectorUrl)) {
                try {
                    webViewLayout.hideProgress();
                    String[] array = url.split("[&,#]");
                    String redirector_url = array[0];
                    String access_token = array[1].substring("access_token=".length());
                    String remind_in = array[2].substring("remind_in=".length());
                    String expires_in = array[3].substring("expires_in=".length());
                    String uid = array[4].substring("uid=".length());
                    JSONObject result = new JSONObject();
                    result.put("redirect_uri", redirector_url);
                    result.put("access_token", access_token);
                    result.put("remind_in", remind_in);
                    result.put("expires_in", expires_in);
                    result.put("uid", uid);
                    mCallbackContext.success(result);
                } catch (IndexOutOfBoundsException e) {
                    e.printStackTrace();
                    mCallbackContext.error(e.getMessage());
                } catch (JSONException e) {
                    e.printStackTrace();
                    mCallbackContext.error(e.getMessage());
                } catch (Exception e) {
                    e.printStackTrace();
                    mCallbackContext.error(e.getMessage());
                }
                mTokenReceived = false;
                webViewLayout.destroy();
                return;
            }
            super.onPageStarted(view, url, favicon);
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            webViewLayout.hideProgress();
            super.onPageFinished(view, url);
        }
    }
}