1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Neither the name of Google Inc. nor the names of its 11 * contributors may be used to endorse or promote products derived from 12 * this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef ExecutionContextClient_h 28 #define ExecutionContextClient_h 29 30 #include "core/frame/ConsoleTypes.h" 31 #include "platform/LifecycleNotifier.h" 32 #include "platform/heap/Handle.h" 33 #include "platform/weborigin/KURL.h" 34 #include "wtf/Forward.h" 35 36 namespace WebCore { 37 38 class LocalDOMWindow; 39 class EventQueue; 40 class EventTarget; 41 class ExecutionContextTask; 42 class KURL; 43 template<class T> class LifecycleNotifier; 44 class ScriptCallStack; 45 class ScriptState; 46 class SecurityContext; 47 48 class ExecutionContextClient { 49 public: 50 virtual void postTask(PassOwnPtr<ExecutionContextTask>) = 0; // Executes the task on context's thread asynchronously. 51 52 virtual bool isDocument() const { return false; } 53 virtual bool isWorkerGlobalScope() const { return false; } 54 virtual bool isJSExecutionForbidden() const = 0; 55 virtual LocalDOMWindow* executingWindow() { return 0; } 56 virtual String userAgent(const KURL&) const = 0; 57 virtual void disableEval(const String& errorMessage) = 0; 58 virtual SecurityContext& securityContext() = 0; 59 virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState*) = 0; 60 virtual EventTarget* errorEventTarget() = 0; 61 virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) = 0; 62 virtual double timerAlignmentInterval() const = 0; 63 virtual void didUpdateSecurityOrigin() = 0; 64 65 virtual void tasksWereSuspended() { } 66 virtual void tasksWereResumed() { } 67 68 void addConsoleMessage(MessageSource source, MessageLevel level, const String& message, const String& sourceURL, unsigned lineNumber) { addMessage(source, level, message, sourceURL, lineNumber, 0); } 69 void addConsoleMessage(MessageSource source, MessageLevel level, const String& message, ScriptState* state = 0) { addMessage(source, level, message, String(), 0, state); } 70 71 protected: 72 virtual ~ExecutionContextClient() { } 73 74 }; 75 76 77 } // namespace 78 79 #endif 80
