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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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