cordova js android

/* 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 org.apache.cordova; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.util.Log; import android.view.Gravity; import android.view.KeyEvent; import android.view.View; import android.view.ViewGroup; import android.webkit.WebChromeClient; import android.widget.FrameLayout; import org.apache.cordova.engine.SystemWebViewEngine; import org.json.JSONException; import org.json.JSONObject; import java.lang.reflect.Constructor; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; /** * Main class for interacting with a Cordova webview. Manages plugins, events, and a CordovaWebViewEngine. * Class uses two-phase initialization. You must call init() before calling any other methods. */ public class CordovaWebViewImpl implements CordovaWebView { public static final String TAG = "CordovaWebViewImpl"; private PluginManager pluginManager; protected final CordovaWebViewEngine engine; private CordovaInterface cordova; // Flag to track that a loadUrl timeout occurred private int loadUrlTimeout = 0; private CordovaResourceApi resourceApi; private CordovaPreferences preferences; private CoreAndroid appPlugin; private NativeToJsMessageQueue nativeToJsMessageQueue; private EngineClient engineClient = new EngineClient(); private boolean hasPausedEver; // The URL passed to loadUrl(), not necessarily the URL of the current page. String loadedUrl; /** custom view created by the browser (a video player for example) */ private View mCustomView; private WebChromeClient.CustomViewCallback mCustomViewCallback; private Set<Integer> boundKeyCodes = new HashSet<Integer>(); public static CordovaWebViewEngine createEngine(Context context, CordovaPreferences preferences) { String className = preferences.getString("webview", SystemWebViewEngine.class.getCanonicalName()); try { Class<?> webViewClass = Class.forName(className); Constructor<?> constructor = webViewClass.getConstructor(Context.class, CordovaPreferences.class); return (CordovaWebViewEngine) constructor.newInstance(context, preferences); } catch (Exception e) { throw new RuntimeException("Failed to create webview. ", e); } } public CordovaWebViewImpl(CordovaWebViewEngine cordovaWebViewEngine) { this.engine = cordovaWebViewEngine; } // Convenience method for when creating programmatically (not from Config.xml). public void init(CordovaInterface cordova) { init(cordova, new ArrayList<PluginEntry>(), new CordovaPreferences()); } @Override public void init(CordovaInterface cordova, List<PluginEntry> pluginEntries, CordovaPreferences preferences) { if (this.cordova != null) { throw new IllegalStateException(); } this.cordova = cordova; this.preferences = preferences; pluginManager = new PluginManager(this, this.cordova, pluginEntries); resourceApi = new CordovaResourceApi(engine.getView().getContext(), pluginManager); nativeToJsMessageQueue = new NativeToJsMessageQueue(); nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.NoOpBridgeMode()); nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.LoadUrlBridgeMode(engine, cordova)); if (preferences.getBoolean("DisallowOverscroll", false)) { engine.getView().setOverScrollMode(View.OVER_SCROLL_NEVER); } engine.init(this, cordova, engineClient, resourceApi, pluginManager, nativeToJsMessageQueue); // This isn't enforced by the compiler, so assert here. assert engine.getView() instanceof CordovaWebViewEngine.EngineView; pluginManager.addService(CoreAndroid.PLUGIN_NAME, "org.apache.cordova.CoreAndroid"); pluginManager.init(); } @Override public boolean isInitialized() { return cordova != null; } @Override public void loadUrlIntoView(final String url, boolean recreatePlugins) { LOG.d(TAG, ">>> loadUrl(" + url + ")"); if (url.equals("about:blank") || url.startsWith("javascript:")) { engine.loadUrl(url, false); return; } recreatePlugins = recreatePlugins || (loadedUrl == null); if (recreatePlugins) { // Don't re-initialize on first load. if (loadedUrl != null) { appPlugin = null; pluginManager.init(); } loadedUrl = url; } // Create a timeout timer for loadUrl final int currentLoadUrlTimeout = loadUrlTimeout; final int loadUrlTimeoutValue = preferences.getInteger("LoadUrlTimeoutValue", 20000); // Timeout error method final Runnable loadError = new Runnable() { public void run() { stopLoading(); LOG.e(TAG, "CordovaWebView: TIMEOUT ERROR!"); // Handle other errors by passing them to the webview in JS JSONObject data = new JSONObject(); try { data.put("errorCode", -6); data.put("description", "The connection to the server was unsuccessful."); data.put("url", url); } catch (JSONException e) { // Will never happen. } pluginManager.postMessage("onReceivedError", data); } }; // Timeout timer method final Runnable timeoutCheck = new Runnable() { public void run() { try { synchronized (this) { wait(loadUrlTimeoutValue); } } catch (InterruptedException e) { e.printStackTrace(); } // If timeout, then stop loading and handle error if (loadUrlTimeout == currentLoadUrlTimeout) { cordova.getActivity().runOnUiThread(loadError); } } }; final boolean _recreatePlugins = recreatePlugins; cordova.getActivity().runOnUiThread(new Runnable() { public void run() { if (loadUrlTimeoutValue > 0) { cordova.getThreadPool().execute(timeoutCheck); } engine.loadUrl(url, _recreatePlugins); } }); } @Override public void loadUrl(String url) { loadUrlIntoView(url, true); } @Override public void showWebPage(String url, boolean openExternal, boolean clearHistory, Map<String, Object> params) { LOG.d(TAG, "showWebPage(%s, %b, %b, HashMap)", url, openExternal, clearHistory); // If clearing history if (clearHistory) { engine.clearHistory(); } // If loading into our webview if (!openExternal) { // Make sure url is in whitelist if (pluginM