Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/oauth/api/BaiduDialog.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/oauth/api/BaiduDialog.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
+ * 
+ * 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.baidu.duer.dcs.oauth.api;
+
+import android.app.Dialog;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.FrameLayout;
+import android.widget.RelativeLayout;
+
+import com.baidu.duer.dcs.androidsystemimpl.webview.BaseWebView;
+import com.baidu.duer.dcs.util.LogUtil;
+
+/**
+ * 自定义的Dialog UI类，用来展示WebView界面，即用户登录和授权的页面
+ * <p>
+ * Created by zhangyan42@baidu.com on 2017/5/24.
+ */
+public class BaiduDialog extends Dialog {
+    private static final FrameLayout.LayoutParams MATCH = new FrameLayout.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.MATCH_PARENT);
+    private static final String LOG_TAG = "BaiduDialog";
+    private final String mUrl;
+    private final BaiduDialogListener mListener;
+    private ProgressDialog mSpinner;
+    private BaseWebView mWebView;
+    private FrameLayout mContent;
+    private RelativeLayout webViewContainer;
+
+    /**
+     * 构造BaiduDialog
+     *
+     * @param context  展示Dialog UI的上下文环境，通常是XXActivity.this
+     * @param url      用户请求的url地址
+     * @param listener 用于对请求回调的Listener对象
+     */
+    public BaiduDialog(Context context, String url, BaiduDialogListener listener) {
+        super(context, android.R.style.Theme_Translucent_NoTitleBar);
+        mUrl = url;
+        mListener = listener;
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        mListener.onCancel();
+        return super.onKeyDown(keyCode, event);
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        // 设置ProgressDialog的样式
+        mSpinner = new ProgressDialog(getContext());
+        mSpinner.requestWindowFeature(Window.FEATURE_NO_TITLE);
+        mSpinner.setMessage("登录中...");
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        mContent = new FrameLayout(getContext());
+        setUpWebView();
+        addContentView(mContent, MATCH);
+    }
+
+    private void setUpWebView() {
+        webViewContainer = new RelativeLayout(getContext());
+        mWebView = new BaseWebView(getContext().getApplicationContext());
+        mWebView.setWebViewClient(new BdWebViewClient());
+        mWebView.loadUrl(mUrl);
+        mWebView.setLayoutParams(MATCH);
+        mWebView.setVisibility(View.INVISIBLE);
+        webViewContainer.addView(mWebView);
+        mContent.addView(webViewContainer, MATCH);
+    }
+
+    private class BdWebViewClient extends WebViewClient {
+        @Override
+        public boolean shouldOverrideUrlLoading(WebView view, String url) {
+            LogUtil.d(LOG_TAG, "Redirect URL: " + url);
+            /*
+             * 如果url的地址为bdconnect://success，即使用User-Agent方式获取用户授权的redirct
+             * url,则截取url中返回的各种token参数，
+             * 如果出错，则通过listener的相应处理方式回调
+             */
+            if (url.startsWith(BaiduOauthImplicitGrant.SUCCESS_URI)) {
+                Bundle values = OauthNetUtil.parseUrl(url);
+                if (values != null && !values.isEmpty()) {
+                    String error = values.getString("error");
+                    // 用户取消授权返回error=access_denied
+                    if ("access_denied".equals(error)) {
+                        mListener.onCancel();
+                        BaiduDialog.this.dismiss();
+                        return true;
+                    }
+                    // 请求出错时返回error=1100&errorDesp=error_desp
+                    String errorDesp = values.getString("error_description");
+                    if (error != null && errorDesp != null) {
+                        mListener.onBaiduException(new BaiduException(error, errorDesp));
+                        BaiduDialog.this.dismiss();
+                        return true;
+                    }
+                    mListener.onComplete(values);
+                    BaiduDialog.this.dismiss();
+                    return true;
+                }
+            } else if (url.startsWith(BaiduOauthImplicitGrant.CANCEL_URI)) {
+                mListener.onCancel();
+                BaiduDialog.this.dismiss();
+                return true;
+            }
+            return false;
+        }
+
+        @Override
+        public void onReceivedError(WebView view, int errorCode, String description,
+                                    String failingUrl) {
+            super.onReceivedError(view, errorCode, description, failingUrl);
+            mListener.onError(new BaiduDialogError(description, errorCode, failingUrl));
+            BaiduDialog.this.dismiss();
+        }
+
+        @Override
+        public void onPageStarted(WebView view, String url, Bitmap favicon) {
+            LogUtil.d(LOG_TAG, "Webview loading URL: " + url);
+            super.onPageStarted(view, url, favicon);
+            mSpinner.show();
+        }
+
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            super.onPageFinished(view, url);
+            mSpinner.dismiss();
+            mContent.setBackgroundColor(Color.TRANSPARENT);
+            mWebView.setVisibility(View.VISIBLE);
+        }
+    }
+
+    @Override
+    public void dismiss() {
+        super.dismiss();
+        webViewContainer.removeView(mWebView);
+        mWebView.removeAllViews();
+        mWebView.destroy();
+    }
+
+    /**
+     * 用于BaiduDialog回调接口
+     */
+    public interface BaiduDialogListener {
+        /**
+         * BaiduDailog请求成功时，执行该法方法，实现逻辑包括存储value信息，跳转activity的过程
+         *
+         * @param values token信息的key-value存储
+         */
+        void onComplete(Bundle values);
+
+        /**
+         * 当BaiduDialog执行发生BaiduException时执行的方法。
+         *
+         * @param e BaiduException信息
+         */
+        void onBaiduException(BaiduException e);
+
+        /**
+         * 发生DialogError时执行的方法
+         *
+         * @param e BaiduDialogError异常类
+         */
+        void onError(BaiduDialogError e);
+
+        /**
+         * 当BaiduDialog执行取消操作时，执行该方法
+         */
+        void onCancel();
+    }
+}
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