third_party/WebKit/Source/core/testing/NullExecutionContext.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NullExecutionContext_h
   6 #define NullExecutionContext_h
   7
   8 #include "core/dom/ExecutionContext.h"
   9 #include "core/dom/SecurityContext.h"
  10 #include "core/events/EventQueue.h"
  11 #include "core/inspector/ConsoleMessage.h"
  12 #include "core/inspector/ScriptCallStack.h"
  13 #include "platform/heap/Handle.h"
  14 #include "platform/weborigin/KURL.h"
  15 #include "wtf/RefCounted.h"
  16
  17 namespace blink {
  18
  19 class NullExecutionContext final : public RefCountedWillBeGarbageCollectedFinalized<NullExecutionContext>, public SecurityContext, public ExecutionContext {
  20     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NullExecutionContext);
  21 public:
  22     NullExecutionContext();
  23
  24     void disableEval(const String&) override { }
  25     String userAgent(const KURL&) const override { return String(); }
  26
  27     void postTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>) override;
  28
  29     EventTarget* errorEventTarget() override { return nullptr; }
  30     EventQueue* eventQueue() const override { return m_queue.get(); }
  31
  32     bool tasksNeedSuspension() override { return m_tasksNeedSuspension; }
  33     void setTasksNeedSuspension(bool flag) { m_tasksNeedSuspension = flag; }
  34
  35     void reportBlockedScriptExecutionToInspector(const String& directiveText) override { }
  36     void didUpdateSecurityOrigin() override { }
  37     SecurityContext& securityContext() override { return *this; }
  38     DOMTimerCoordinator* timers() override { return nullptr; }
  39
  40     double timerAlignmentInterval() const;
  41
  42     void addConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) override { }
  43     void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) override { }
  44
  45     bool isPrivilegedContext(String& errorMessage, const PrivilegeContextCheck = StandardPrivilegeCheck) const override;
  46
  47     DEFINE_INLINE_TRACE()
  48     {
  49         visitor->trace(m_queue);
  50         SecurityContext::trace(visitor);
  51         ExecutionContext::trace(visitor);
  52     }
  53
  54 #if !ENABLE(OILPAN)
  55     using RefCounted<NullExecutionContext>::ref;
  56     using RefCounted<NullExecutionContext>::deref;
  57
  58     void refExecutionContext() override { ref(); }
  59     void derefExecutionContext() override { deref(); }
  60 #endif
  61
  62 protected:
  63     const KURL& virtualURL() const override { return m_dummyURL; }
  64     KURL virtualCompleteURL(const String&) const override { return m_dummyURL; }
  65
  66 private:
  67     bool m_tasksNeedSuspension;
  68     OwnPtrWillBeMember<EventQueue> m_queue;
  69
  70     KURL m_dummyURL;
  71 };
  72
  73 } // namespace blink
  74
  75 #endif // NullExecutionContext_h