CB-8417 moved platform specific js into platforms

platform_modules/android/nativeapiprovider.js

@@ -0,0 +1,36 @@
+/*
+ * 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.
+*/
+
+/**
+ * Exports the ExposedJsApi.java object if available, otherwise exports the PromptBasedNativeApi.
+ */
+
+var nativeApi = this._cordovaNative || require('cordova/android/promptbasednativeapi');
+var currentApi = nativeApi;
+
+module.exports = {
+    get: function() { return currentApi; },
+    setPreferPrompt: function(value) {
+        currentApi = value ? require('cordova/android/promptbasednativeapi') : nativeApi;
+    },
+    // Used only by tests.
+    set: function(value) {
+        currentApi = value;
+    }
+};

platform_modules/android/promptbasednativeapi.js

@@ -0,0 +1,35 @@
+/*
+ * 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.
+*/
+
+/**
+ * Implements the API of ExposedJsApi.java, but uses prompt() to communicate.
+ * This is used pre-JellyBean, where addJavascriptInterface() is disabled.
+ */
+
+module.exports = {
+    exec: function(bridgeSecret, service, action, callbackId, argsJson) {
+        return prompt(argsJson, 'gap:'+JSON.stringify([bridgeSecret, service, action, callbackId]));
+    },
+    setNativeToJsBridgeMode: function(bridgeSecret, value) {
+        prompt(value, 'gap_bridge_mode:' + bridgeSecret);
+    },
+    retrieveJsMessages: function(bridgeSecret, fromOnlineEvent) {
+        return prompt(+fromOnlineEvent, 'gap_poll:' + bridgeSecret);
+    }
+};

platform_modules/exec.js

@@ -0,0 +1,287 @@
+/*
+ *
+ * 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.
+ *
+*/
+
+/**
+ * Execute a cordova command.  It is up to the native side whether this action
+ * is synchronous or asynchronous.  The native side can return:
+ *      Synchronous: PluginResult object as a JSON string
+ *      Asynchronous: Empty string ""
+ * If async, the native side will cordova.callbackSuccess or cordova.callbackError,
+ * depending upon the result of the action.
+ *
+ * @param {Function} success    The success callback
+ * @param {Function} fail       The fail callback
+ * @param {String} service      The name of the service to use
+ * @param {String} action       Action to be run in cordova
+ * @param {String[]} [args]     Zero or more arguments to pass to the method
+ */
+var cordova = require('cordova'),
+    nativeApiProvider = require('cordova/android/nativeapiprovider'),
+    utils = require('cordova/utils'),
+    base64 = require('cordova/base64'),
+    channel = require('cordova/channel'),
+    jsToNativeModes = {
+        PROMPT: 0,
+        JS_OBJECT: 1
+    },
+    nativeToJsModes = {
+        // Polls for messages using the JS->Native bridge.
+        POLLING: 0,
+        // For LOAD_URL to be viable, it would need to have a work-around for
+        // the bug where the soft-keyboard gets dismissed when a message is sent.
+        LOAD_URL: 1,
+        // For the ONLINE_EVENT to be viable, it would need to intercept all event
+        // listeners (both through addEventListener and window.ononline) as well
+        // as set the navigator property itself.
+        ONLINE_EVENT: 2,
+        // Uses reflection to access private APIs of the WebView that can send JS
+        // to be executed.
+        // Requires Android 3.2.4 or above.
+        PRIVATE_API: 3
+    },
+    jsToNativeBridgeMode,  // Set lazily.
+    nativeToJsBridgeMode = nativeToJsModes.ONLINE_EVENT,
+    pollEnabled = false,
+    bridgeSecret = -1;
+
+var messagesFromNative = [];
+var isProcessing = false;
+var resolvedPromise = typeof Promise == 'undefined' ? null : Promise.resolve();
+var nextTick = resolvedPromise ? function(fn) { resolvedPromise.then(fn); } : function(fn) { setTimeout(fn); };
+
+function androidExec(success, fail, service, action, args) {
+    if (bridgeSecret < 0) {
+        // If we ever catch this firing, we'll need to queue up exec()s
+        // and fire them once we get a secret. For now, I don't think
+        // it's possible for exec() to be called since plugins are parsed but
+        // not run until until after onNativeReady.
+        throw new Error('exec() called without bridgeSecret');
+    }
+    // Set default bridge modes if they have not already been set.
+    // By default, we use the failsafe, since addJavascriptInterface breaks too often
+    if (jsToNativeBridgeMode === undefined) {
+        androidExec.setJsToNativeBridgeMode(jsToNativeModes.JS_OBJECT);
+    }
+
+    // Process any ArrayBuffers in the args into a string.
+    for (var i = 0; i < args.length; i++) {
+        if (utils.typeName(args[i]) == 'ArrayBuffer') {
+            args[i] = base64.fromArrayBuffer(args[i]);
+        }
+    }
+
+    var callbackId = service + cordova.callbackId++,
+        argsJson = JSON.stringify(args);
+
+    if (success || fail) {
+        cordova.callbacks[callbackId] = {success:success, fail:fail};
+    }
+
+    var msgs = nativeApiProvider.get().exec(bridgeSecret, service, action, callbackId, argsJson);
+    // If argsJson was received by Java as null, try again with the PROMPT bridge mode.
+    // This happens in rare circumstances, such as when certain Unicode characters are passed over the bridge on a Galaxy S2.  See CB-2666.
+    if (jsToNativeBridgeMode == jsToNativeModes.JS_OBJECT && msgs === "@Null arguments.") {
+        androidExec.setJsToNativeBridgeMode(jsToNativeModes.PROMPT);
+        androidExec(success, fail, service, action, args);
+        androidExec.setJsToNativeBridgeMode(jsToNativeModes.JS_OBJECT);
+    } else if (msgs) {
+        messagesFromNative.push(msgs);
+        // Always process async to avoid exceptions messing up stack.
+        nextTick(processMessages);
+    }
+}
+
+androidExec.init = function() {
+    bridgeSecret = +prompt('', 'gap_init:' + nativeToJsBridgeMode);
+    channel.onNativeReady.fire();
+};
+
+function pollOnceFromOnlineEvent() {
+    pollOnce(true);
+}
+
+function pollOnce(opt_fromOnlineEvent) {
+    if (bridgeSecret < 0) {
+        // This can happen when the NativeToJsMessageQueue resets the online state on page transitions.
+        // We know there's nothing to retrieve, so no need to poll.
+        return;
+    }
+    var msgs = nativeApiProvider.get().retrieveJsMessages(bridgeSecret, !!opt_fromOnlineEvent);
+    if (msgs) {
+        messagesFromNative.push(msgs);
+        // Process sync since we know we're already top-of-stack.
+        processMessages();
+    }
+}
+
+function pollingTimerFunc() {
+    if (pollEnabled) {
+        pollOnce();
+        setTimeout(pollingTimerFunc, 50);
+    }
+}
+
+function hookOnlineApis() {
+    function proxyEvent(e) {
+        cordova.fireWindowEvent(e.type);
+    }
+    // The network module takes care of firing online and offline events.
+    // It currently fires them only on document though, so we bridge them
+    // to window here (while first listening for exec()-releated online/offline
+    // events).
+    window.addEventListener('online', pollOnceFromOnlineEvent, false);
+    window.addEventListener('offline', pollOnceFromOnlineEvent, false);
+    cordova.addWindowEventHandler('online');
+    cordova.addWindowEventHandler('offline');
+    document.addEventListener('online', proxyEvent, false);
+    document.addEventListener('offline', proxyEvent, false);
+}
+
+hookOnlineApis();
+
+androidExec.jsToNativeModes = jsToNativeModes;
+androidExec.nativeToJsModes = nativeToJsModes;
+
+androidExec.setJsToNativeBridgeMode = function(mode) {
+    if (mode == jsToNativeModes.JS_OBJECT && !window._cordovaNative) {
+        mode = jsToNativeModes.PROMPT;
+    }
+    nativeApiProvider.setPreferPrompt(mode == jsToNativeModes.PROMPT);
+    jsToNativeBridgeMode = mode;
+};
+
+androidExec.setNativeToJsBridgeMode = function(mode) {
+    if (mode == nativeToJsBridgeMode) {
+        return;
+    }
+    if (nativeToJsBridgeMode == nativeToJsModes.POLLING) {
+        pollEnabled = false;
+    }
+
+    nativeToJsBridgeMode = mode;
+    // Tell the native side to switch modes.
+    // Otherwise, it will be set by androidExec.init()
+    if (bridgeSecret >= 0) {
+        nativeApiProvider.get().setNativeToJsBridgeMode(bridgeSecret, mode);
+    }
+
+    if (mode == nativeToJsModes.POLLING) {
+        pollEnabled = true;
+        setTimeout(pollingTimerFunc, 1);
+    }
+};
+
+function buildPayload(payload, message) {
+    var payloadKind = message.charAt(0);
+    if (payloadKind == 's') {
+        payload.push(message.slice(1));
+    } else if (payloadKind == 't') {
+        payload.push(true);
+    } else if (payloadKind == 'f') {
+        payload.push(false);
+    } else if (payloadKind == 'N') {
+        payload.push(null);
+    } else if (payloadKind == 'n') {
+        payload.push(+message.slice(1));
+    } else if (payloadKind == 'A') {
+        var data = message.slice(1);
+        payload.push(base64.toArrayBuffer(data));
+    } else if (payloadKind == 'S') {
+        payload.push(window.atob(message.slice(1)));
+    } else if (payloadKind == 'M') {
+        var multipartMessages = message.slice(1);
+        while (multipartMessages !== "") {
+            var spaceIdx = multipartMessages.indexOf(' ');
+            var msgLen = +multipartMessages.slice(0, spaceIdx);
+            var multipartMessage = multipartMessages.substr(spaceIdx + 1, msgLen);
+            multipartMessages = multipartMessages.slice(spaceIdx + msgLen + 1);
+            buildPayload(payload, multipartMessage);
+        }
+    } else {
+        payload.push(JSON.parse(message));
+    }
+}
+
+// Processes a single message, as encoded by NativeToJsMessageQueue.java.
+function processMessage(message) {
+    var firstChar = message.charAt(0);
+    if (firstChar == 'J') {
+        // This is deprecated on the .java side. It doesn't work with CSP enabled.
+        eval(message.slice(1));
+    } else if (firstChar == 'S' || firstChar == 'F') {
+        var success = firstChar == 'S';
+        var keepCallback = message.charAt(1) == '1';
+        var spaceIdx = message.indexOf(' ', 2);
+        var status = +message.slice(2, spaceIdx);
+        var nextSpaceIdx = message.indexOf(' ', spaceIdx + 1);
+        var callbackId = message.slice(spaceIdx + 1, nextSpaceIdx);
+        var payloadMessage = message.slice(nextSpaceIdx + 1);
+        var payload = [];
+        buildPayload(payload, payloadMessage);
+        cordova.callbackFromNative(callbackId, success, status, payload, keepCallback);
+    } else {
+        console.log("processMessage failed: invalid message: " + JSON.stringify(message));
+    }
+}
+
+function processMessages() {
+    // Check for the reentrant case.
+    if (isProcessing) {
+        return;
+    }
+    if (messagesFromNative.length === 0) {
+        return;
+    }
+    isProcessing = true;
+    try {
+        var msg = popMessageFromQueue();
+        // The Java side can send a * message to indicate that it
+        // still has messages waiting to be retrieved.
+        if (msg == '*' && messagesFromNative.length === 0) {
+            nextTick(pollOnce);
+            return;
+        }
+        processMessage(msg);
+    } finally {
+        isProcessing = false;
+        if (messagesFromNative.length > 0) {
+            nextTick(processMessages);
+        }
+    }
+}
+
+function popMessageFromQueue() {
+    var messageBatch = messagesFromNative.shift();
+    if (messageBatch == '*') {
+        return '*';
+    }
+
+    var spaceIdx = messageBatch.indexOf(' ');
+    var msgLen = +messageBatch.slice(0, spaceIdx);
+    var message = messageBatch.substr(spaceIdx + 1, msgLen);
+    messageBatch = messageBatch.slice(spaceIdx + msgLen + 1);
+    if (messageBatch) {
+        messagesFromNative.unshift(messageBatch);
+    }
+    return message;
+}
+
+module.exports = androidExec;