428 lines
16 KiB
C++
428 lines
16 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Copyright (C) 2015-2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "InspectorFrontendClientLocal.h"
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#include "Chrome.h"
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#include "DOMWrapperWorld.h"
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#include "Document.h"
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#include "ExceptionDetails.h"
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#include "FloatRect.h"
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#include "Frame.h"
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#include "FrameLoadRequest.h"
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#include "FrameLoader.h"
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#include "FrameView.h"
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#include "InspectorController.h"
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#include "InspectorFrontendHost.h"
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#include "InspectorPageAgent.h"
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#include "Logging.h"
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#include "Page.h"
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#include "ScriptController.h"
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#include "ScriptSourceCode.h"
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#include "ScriptState.h"
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#include "Settings.h"
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#include "Timer.h"
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#include "UserGestureIndicator.h"
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#include "WindowFeatures.h"
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#include <JavaScriptCore/FrameTracers.h>
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#include <JavaScriptCore/InspectorBackendDispatchers.h>
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#include <wtf/Deque.h>
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#include <wtf/text/CString.h>
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#include <wtf/text/StringToIntegerConversion.h>
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namespace WebCore {
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using namespace Inspector;
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static const char* inspectorAttachedHeightSetting = "inspectorAttachedHeight";
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static const unsigned defaultAttachedHeight = 300;
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static const float minimumAttachedHeight = 250.0f;
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static const float maximumAttachedHeightRatio = 0.75f;
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static const float minimumAttachedWidth = 500.0f;
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static const float minimumAttachedInspectedWidth = 320.0f;
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class InspectorBackendDispatchTask : public RefCounted<InspectorBackendDispatchTask> {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static Ref<InspectorBackendDispatchTask> create(InspectorController* inspectedPageController)
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{
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return adoptRef(*new InspectorBackendDispatchTask(inspectedPageController));
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}
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void dispatch(const String& message)
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{
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ASSERT_ARG(message, !message.isEmpty());
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m_messages.append(message);
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scheduleOneShot();
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}
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void reset()
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{
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m_messages.clear();
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m_inspectedPageController = nullptr;
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}
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private:
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InspectorBackendDispatchTask(InspectorController* inspectedPageController)
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: m_inspectedPageController(inspectedPageController)
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{
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ASSERT_ARG(inspectedPageController, inspectedPageController);
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}
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void scheduleOneShot()
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{
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if (m_hasScheduledTask)
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return;
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m_hasScheduledTask = true;
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// The frontend can be closed and destroy the owning frontend client before or in the
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// process of dispatching the task, so keep a protector reference here.
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RunLoop::current().dispatch([this, protectedThis = makeRef(*this)] {
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m_hasScheduledTask = false;
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dispatchOneMessage();
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});
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}
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void dispatchOneMessage()
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{
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// Owning frontend client may have been destroyed after the task was scheduled.
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if (!m_inspectedPageController) {
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ASSERT(m_messages.isEmpty());
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return;
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}
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if (!m_messages.isEmpty())
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m_inspectedPageController->dispatchMessageFromFrontend(m_messages.takeFirst());
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if (!m_messages.isEmpty() && m_inspectedPageController)
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scheduleOneShot();
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}
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InspectorController* m_inspectedPageController { nullptr };
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Deque<String> m_messages;
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bool m_hasScheduledTask { false };
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};
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String InspectorFrontendClientLocal::Settings::getProperty(const String&)
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{
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return String();
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}
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void InspectorFrontendClientLocal::Settings::setProperty(const String&, const String&)
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{
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}
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void InspectorFrontendClientLocal::Settings::deleteProperty(const String&)
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{
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}
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InspectorFrontendClientLocal::InspectorFrontendClientLocal(InspectorController* inspectedPageController, Page* frontendPage, std::unique_ptr<Settings> settings)
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: m_inspectedPageController(inspectedPageController)
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, m_frontendPage(frontendPage)
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, m_settings(WTFMove(settings))
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, m_dockSide(DockSide::Undocked)
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, m_dispatchTask(InspectorBackendDispatchTask::create(inspectedPageController))
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, m_frontendAPIDispatcher(InspectorFrontendAPIDispatcher::create(*frontendPage))
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{
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m_frontendPage->settings().setAllowFileAccessFromFileURLs(true);
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}
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InspectorFrontendClientLocal::~InspectorFrontendClientLocal()
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{
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if (m_frontendHost)
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m_frontendHost->disconnectClient();
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m_frontendPage = nullptr;
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m_inspectedPageController = nullptr;
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m_dispatchTask->reset();
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}
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void InspectorFrontendClientLocal::resetState()
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{
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m_settings->deleteProperty(inspectorAttachedHeightSetting);
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}
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void InspectorFrontendClientLocal::windowObjectCleared()
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{
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if (m_frontendHost)
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m_frontendHost->disconnectClient();
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m_frontendHost = InspectorFrontendHost::create(this, m_frontendPage);
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m_frontendHost->addSelfToGlobalObjectInWorld(debuggerWorld());
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}
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void InspectorFrontendClientLocal::frontendLoaded()
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{
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// Call setDockingUnavailable before bringToFront. If we display the inspector window via bringToFront first it causes
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// the call to canAttachWindow to return the wrong result on Windows.
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// Calling bringToFront first causes the visibleHeight of the inspected page to always return 0 immediately after.
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// Thus if we call canAttachWindow first we can avoid this problem. This change does not cause any regressions on Mac.
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setDockingUnavailable(!canAttachWindow());
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bringToFront();
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m_frontendAPIDispatcher->frontendLoaded();
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}
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void InspectorFrontendClientLocal::pagePaused()
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{
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// NOTE: pagePaused() and pageUnpaused() do not suspend/unsuspend the frontend API dispatcher
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// for this subclass of InspectorFrontendClient. The inspected page and the frontend page
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// exist in the same web process, so messages need to be sent even while the debugger is paused.
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// Suspending here would stall out later commands that resume the debugger, causing the test to time out.
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}
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void InspectorFrontendClientLocal::pageUnpaused()
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{
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}
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UserInterfaceLayoutDirection InspectorFrontendClientLocal::userInterfaceLayoutDirection() const
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{
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return m_frontendPage->userInterfaceLayoutDirection();
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}
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void InspectorFrontendClientLocal::requestSetDockSide(DockSide dockSide)
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{
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if (dockSide == DockSide::Undocked) {
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detachWindow();
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setAttachedWindow(dockSide);
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} else if (canAttachWindow()) {
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attachWindow(dockSide);
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setAttachedWindow(dockSide);
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}
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}
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bool InspectorFrontendClientLocal::canAttachWindow()
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{
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// Don't allow attaching to another inspector -- two inspectors in one window is too much!
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bool isInspectorPage = m_inspectedPageController->inspectionLevel() > 0;
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if (isInspectorPage)
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return false;
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// If we are already attached, allow attaching again to allow switching sides.
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if (m_dockSide != DockSide::Undocked)
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return true;
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// Don't allow the attach if the window would be too small to accommodate the minimum inspector size.
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unsigned inspectedPageHeight = m_inspectedPageController->inspectedPage().mainFrame().view()->visibleHeight();
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unsigned inspectedPageWidth = m_inspectedPageController->inspectedPage().mainFrame().view()->visibleWidth();
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unsigned maximumAttachedHeight = inspectedPageHeight * maximumAttachedHeightRatio;
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return minimumAttachedHeight <= maximumAttachedHeight && minimumAttachedWidth <= inspectedPageWidth;
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}
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void InspectorFrontendClientLocal::setDockingUnavailable(bool unavailable)
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("setDockingUnavailable"_s, { JSON::Value::create(unavailable) });
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}
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void InspectorFrontendClientLocal::changeAttachedWindowHeight(unsigned height)
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{
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unsigned totalHeight = m_frontendPage->mainFrame().view()->visibleHeight() + m_inspectedPageController->inspectedPage().mainFrame().view()->visibleHeight();
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unsigned attachedHeight = constrainedAttachedWindowHeight(height, totalHeight);
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m_settings->setProperty(inspectorAttachedHeightSetting, String::number(attachedHeight));
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setAttachedWindowHeight(attachedHeight);
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}
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void InspectorFrontendClientLocal::changeAttachedWindowWidth(unsigned width)
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{
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unsigned totalWidth = m_frontendPage->mainFrame().view()->visibleWidth() + m_inspectedPageController->inspectedPage().mainFrame().view()->visibleWidth();
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unsigned attachedWidth = constrainedAttachedWindowWidth(width, totalWidth);
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setAttachedWindowWidth(attachedWidth);
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}
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void InspectorFrontendClientLocal::changeSheetRect(const FloatRect& rect)
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{
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setSheetRect(rect);
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}
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void InspectorFrontendClientLocal::openURLExternally(const String& url)
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{
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UserGestureIndicator indicator { ProcessingUserGesture };
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Frame& mainFrame = m_inspectedPageController->inspectedPage().mainFrame();
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FrameLoadRequest frameLoadRequest { *mainFrame.document(), mainFrame.document()->securityOrigin(), { }, "_blank"_s, InitiatedByMainFrame::Unknown };
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bool created;
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WindowFeatures features;
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auto frame = WebCore::createWindow(mainFrame, mainFrame, WTFMove(frameLoadRequest), features, created);
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if (!frame)
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return;
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frame->loader().setOpener(&mainFrame);
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frame->page()->setOpenedByDOM();
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// FIXME: Why do we compute the absolute URL with respect to |frame| instead of |mainFrame|?
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ResourceRequest resourceRequest { frame->document()->completeURL(url) };
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FrameLoadRequest frameLoadRequest2 { *mainFrame.document(), mainFrame.document()->securityOrigin(), WTFMove(resourceRequest), "_self"_s, InitiatedByMainFrame::Unknown };
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frame->loader().changeLocation(WTFMove(frameLoadRequest2));
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}
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void InspectorFrontendClientLocal::moveWindowBy(float x, float y)
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{
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FloatRect frameRect = m_frontendPage->chrome().windowRect();
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frameRect.move(x, y);
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m_frontendPage->chrome().setWindowRect(frameRect);
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}
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void InspectorFrontendClientLocal::setAttachedWindow(DockSide dockSide)
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{
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const char* side = "undocked";
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switch (dockSide) {
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case DockSide::Undocked:
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side = "undocked";
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break;
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case DockSide::Right:
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side = "right";
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break;
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case DockSide::Left:
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side = "left";
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break;
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case DockSide::Bottom:
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side = "bottom";
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break;
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}
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m_dockSide = dockSide;
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("setDockSide"_s, { JSON::Value::create(makeString(side)) });
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}
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void InspectorFrontendClientLocal::restoreAttachedWindowHeight()
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{
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unsigned inspectedPageHeight = m_inspectedPageController->inspectedPage().mainFrame().view()->visibleHeight();
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String value = m_settings->getProperty(inspectorAttachedHeightSetting);
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unsigned preferredHeight = value.isEmpty() ? defaultAttachedHeight : parseIntegerAllowingTrailingJunk<unsigned>(value).value_or(0);
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// This call might not go through (if the window starts out detached), but if the window is initially created attached,
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// InspectorController::attachWindow is never called, so we need to make sure to set the attachedWindowHeight.
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// FIXME: Clean up code so we only have to call setAttachedWindowHeight in InspectorController::attachWindow
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setAttachedWindowHeight(constrainedAttachedWindowHeight(preferredHeight, inspectedPageHeight));
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}
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std::optional<bool> InspectorFrontendClientLocal::evaluationResultToBoolean(InspectorFrontendAPIDispatcher::EvaluationResult result)
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{
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if (!result)
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return std::nullopt;
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auto valueOrException = result.value();
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if (!valueOrException) {
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LOG(Inspector, "Encountered exception while evaluating upon the frontend: %s", valueOrException.error().message.utf8().data());
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return std::nullopt;
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}
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return valueOrException.value().toBoolean(m_frontendAPIDispatcher->frontendGlobalObject());
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}
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bool InspectorFrontendClientLocal::isDebuggingEnabled()
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{
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return evaluationResultToBoolean(m_frontendAPIDispatcher->dispatchCommandWithResultSync("isDebuggingEnabled"_s)).value_or(false);
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}
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void InspectorFrontendClientLocal::setDebuggingEnabled(bool enabled)
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("setDebuggingEnabled"_s, { JSON::Value::create(enabled) });
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}
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bool InspectorFrontendClientLocal::isTimelineProfilingEnabled()
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{
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return evaluationResultToBoolean(m_frontendAPIDispatcher->dispatchCommandWithResultSync("isTimelineProfilingEnabled"_s)).value_or(false);
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}
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void InspectorFrontendClientLocal::setTimelineProfilingEnabled(bool enabled)
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("setTimelineProfilingEnabled"_s, { JSON::Value::create(enabled) });
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}
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bool InspectorFrontendClientLocal::isProfilingJavaScript()
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{
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return evaluationResultToBoolean(m_frontendAPIDispatcher->dispatchCommandWithResultSync("isProfilingJavaScript"_s)).value_or(false);
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}
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void InspectorFrontendClientLocal::startProfilingJavaScript()
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("startProfilingJavaScript"_s);
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}
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void InspectorFrontendClientLocal::stopProfilingJavaScript()
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("stopProfilingJavaScript"_s);
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}
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void InspectorFrontendClientLocal::showConsole()
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("showConsole"_s);
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}
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void InspectorFrontendClientLocal::showResources()
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{
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("showResources"_s);
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}
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void InspectorFrontendClientLocal::showMainResourceForFrame(Frame* frame)
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{
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String frameId = m_inspectedPageController->ensurePageAgent().frameId(frame);
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m_frontendAPIDispatcher->dispatchCommandWithResultAsync("showMainResourceForFrame"_s, { JSON::Value::create(frameId) });
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}
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unsigned InspectorFrontendClientLocal::constrainedAttachedWindowHeight(unsigned preferredHeight, unsigned totalWindowHeight)
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{
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return roundf(std::max(minimumAttachedHeight, std::min<float>(preferredHeight, totalWindowHeight * maximumAttachedHeightRatio)));
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}
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unsigned InspectorFrontendClientLocal::constrainedAttachedWindowWidth(unsigned preferredWidth, unsigned totalWindowWidth)
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{
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return roundf(std::max(minimumAttachedWidth, std::min<float>(preferredWidth, totalWindowWidth - minimumAttachedInspectedWidth)));
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}
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void InspectorFrontendClientLocal::sendMessageToBackend(const String& message)
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{
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m_dispatchTask->dispatch(message);
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}
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bool InspectorFrontendClientLocal::isUnderTest()
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{
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return m_inspectedPageController->isUnderTest();
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}
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unsigned InspectorFrontendClientLocal::inspectionLevel() const
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{
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return m_inspectedPageController->inspectionLevel() + 1;
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}
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Page* InspectorFrontendClientLocal::inspectedPage() const
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{
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if (!m_inspectedPageController)
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return nullptr;
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return &m_inspectedPageController->inspectedPage();
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}
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} // namespace WebCore
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