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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * Copyright (C) 2009 Joseph Pecoraro | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are | |
| 7 * met: | |
| 8 * | |
| 9 * * Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * * Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following disclaimer | |
| 13 * in the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * * Neither the name of Google Inc. nor the names of its | |
| 16 * contributors may be used to endorse or promote products derived from | |
| 17 * this software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 var InjectedScriptAccess = {}; | |
| 33 | |
| 34 InjectedScriptAccess._installHandler = function(methodName, async) | |
| 35 { | |
| 36 InjectedScriptAccess[methodName] = function() | |
| 37 { | |
| 38 var allArgs = Array.prototype.slice.call(arguments); | |
| 39 var callback = allArgs[allArgs.length - 1]; | |
| 40 var argsString = JSON.stringify(Array.prototype.slice.call(allArgs, 0, a
llArgs.length - 1)); | |
| 41 | |
| 42 function myCallback(result, isException) | |
| 43 { | |
| 44 if (!isException) | |
| 45 callback(JSON.parse(result)); | |
| 46 else | |
| 47 WebInspector.console.addMessage(new WebInspector.ConsoleTextMess
age("Error dispatching: " + methodName)); | |
| 48 } | |
| 49 var callId = WebInspector.Callback.wrap(myCallback); | |
| 50 InspectorController.dispatchOnInjectedScript(callId, methodName, argsStr
ing, !!async); | |
| 51 }; | |
| 52 } | |
| 53 | |
| 54 // InjectedScriptAccess message forwarding puts some constraints on the way meth
ods are imlpemented and called: | |
| 55 // - Make sure corresponding methods in InjectedScript return non-null and non-u
ndefined values, | |
| 56 // - Make sure last parameter of all the InjectedSriptAccess.* calls is a callba
ck function. | |
| 57 // We keep these sorted. | |
| 58 InjectedScriptAccess._installHandler("addInspectedNode"); | |
| 59 InjectedScriptAccess._installHandler("addStyleSelector"); | |
| 60 InjectedScriptAccess._installHandler("applyStyleRuleText"); | |
| 61 InjectedScriptAccess._installHandler("applyStyleText"); | |
| 62 InjectedScriptAccess._installHandler("evaluate"); | |
| 63 InjectedScriptAccess._installHandler("evaluateInCallFrame"); | |
| 64 InjectedScriptAccess._installHandler("getCompletions"); | |
| 65 InjectedScriptAccess._installHandler("getComputedStyle"); | |
| 66 InjectedScriptAccess._installHandler("getInlineStyle"); | |
| 67 InjectedScriptAccess._installHandler("getProperties"); | |
| 68 InjectedScriptAccess._installHandler("getPrototypes"); | |
| 69 InjectedScriptAccess._installHandler("getStyles"); | |
| 70 InjectedScriptAccess._installHandler("openInInspectedWindow"); | |
| 71 InjectedScriptAccess._installHandler("performSearch"); | |
| 72 InjectedScriptAccess._installHandler("pushNodeToFrontend"); | |
| 73 InjectedScriptAccess._installHandler("searchCanceled"); | |
| 74 InjectedScriptAccess._installHandler("setPropertyValue"); | |
| 75 InjectedScriptAccess._installHandler("setStyleProperty"); | |
| 76 InjectedScriptAccess._installHandler("setStyleText"); | |
| 77 InjectedScriptAccess._installHandler("toggleStyleEnabled"); | |
| 78 | |
| 79 // Some methods can't run synchronously even on the injected script side (such a
s DB transactions). | |
| 80 // Mark them as asynchronous here. | |
| 81 InjectedScriptAccess._installHandler("executeSql", true); | |
| 82 | |
| 83 WebInspector.didDispatchOnInjectedScript = WebInspector.Callback.processCallback
; | |
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