third_party/WebKit/Source/core/inspector/InspectorInstrumentation.cpp

/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
*     * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*     * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "core/inspector/InspectorInstrumentation.h"

#include "core/InstrumentingAgents.h"
#include "core/events/Event.h"
#include "core/events/EventTarget.h"
#include "core/fetch/FetchInitiatorInfo.h"
#include "core/frame/FrameHost.h"
#include "core/inspector/InspectorCSSAgent.h"
#include "core/inspector/InspectorDOMDebuggerAgent.h"
#include "core/inspector/InspectorNetworkAgent.h"
#include "core/inspector/InspectorPageAgent.h"
#include "core/inspector/InspectorSession.h"
#include "core/inspector/MainThreadDebugger.h"
#include "core/inspector/ThreadDebugger.h"
#include "core/inspector/WorkerInspectorController.h"
#include "core/page/Page.h"
#include "core/workers/MainThreadWorkletGlobalScope.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerThread.h"

namespace blink {

namespace InspectorInstrumentation {

AsyncTask::AsyncTask(ExecutionContext* context, void* task)
    : AsyncTask(context, task, true) {}

AsyncTask::AsyncTask(ExecutionContext* context, void* task, bool enabled)
    : m_debugger(enabled ? ThreadDebugger::from(toIsolate(context)) : nullptr),
      m_task(task) {
  if (m_debugger)
    m_debugger->asyncTaskStarted(m_task);
}

AsyncTask::~AsyncTask() {
  if (m_debugger)
    m_debugger->asyncTaskFinished(m_task);
}

void asyncTaskScheduled(ExecutionContext* context,
                        const String& name,
                        void* task) {
  if (ThreadDebugger* debugger = ThreadDebugger::from(toIsolate(context)))
    debugger->asyncTaskScheduled(name, task, false);
}

void asyncTaskScheduled(ExecutionContext* context,
                        const String& name,
                        void* task,
                        bool recurring) {
  if (ThreadDebugger* debugger = ThreadDebugger::from(toIsolate(context)))
    debugger->asyncTaskScheduled(name, task, recurring);
}

void asyncTaskCanceled(ExecutionContext* context, void* task) {
  if (ThreadDebugger* debugger = ThreadDebugger::from(toIsolate(context)))
    debugger->asyncTaskCanceled(task);
}

void allAsyncTasksCanceled(ExecutionContext* context) {
  if (ThreadDebugger* debugger = ThreadDebugger::from(toIsolate(context)))
    debugger->allAsyncTasksCanceled();
}

NativeBreakpoint::NativeBreakpoint(ExecutionContext* context,
                                   const char* name,
                                   bool sync)
    : m_instrumentingAgents(instrumentingAgentsFor(context)), m_sync(sync) {
  if (!m_instrumentingAgents ||
      !m_instrumentingAgents->hasInspectorDOMDebuggerAgents())
    return;
  for (InspectorDOMDebuggerAgent* domDebuggerAgent :
       m_instrumentingAgents->inspectorDOMDebuggerAgents())
    domDebuggerAgent->allowNativeBreakpoint(name, nullptr, m_sync);
}

NativeBreakpoint::NativeBreakpoint(ExecutionContext* context,
                                   EventTarget* eventTarget,
                                   Event* event)
    : m_instrumentingAgents(instrumentingAgentsFor(context)), m_sync(false) {
  if (!m_instrumentingAgents ||
      !m_instrumentingAgents->hasInspectorDOMDebuggerAgents())
    return;
  Node* node = eventTarget->toNode();
  String targetName = node ? node->nodeName() : eventTarget->interfaceName();
  for (InspectorDOMDebuggerAgent* domDebuggerAgent :
       m_instrumentingAgents->inspectorDOMDebuggerAgents())
    domDebuggerAgent->allowNativeBreakpoint(event->type(), &targetName, m_sync);
}

NativeBreakpoint::~NativeBreakpoint() {
  if (m_sync || !m_instrumentingAgents ||
      !m_instrumentingAgents->hasInspectorDOMDebuggerAgents())
    return;
  for (InspectorDOMDebuggerAgent* domDebuggerAgent :
       m_instrumentingAgents->inspectorDOMDebuggerAgents())
    domDebuggerAgent->cancelNativeBreakpoint();
}

bool isDebuggerPaused(LocalFrame*) {
  return MainThreadDebugger::instance()->isPaused();
}

void didReceiveResourceResponseButCanceled(LocalFrame* frame,
                                           DocumentLoader* loader,
                                           unsigned long identifier,
                                           const ResourceResponse& r,
                                           Resource* resource) {
  didReceiveResourceResponse(frame, identifier, loader, r, resource);
}

void continueAfterXFrameOptionsDenied(LocalFrame* frame,
                                      DocumentLoader* loader,
                                      unsigned long identifier,
                                      const ResourceResponse& r,
                                      Resource* resource) {
  didReceiveResourceResponseButCanceled(frame, loader, identifier, r, resource);
}

void continueWithPolicyIgnore(LocalFrame* frame,
                              DocumentLoader* loader,
                              unsigned long identifier,
                              const ResourceResponse& r,
                              Resource* resource) {
  didReceiveResourceResponseButCanceled(frame, loader, identifier, r, resource);
}

InstrumentingAgents* instrumentingAgentsFor(
    WorkerGlobalScope* workerGlobalScope) {
  if (!workerGlobalScope)
    return nullptr;
  if (WorkerInspectorController* controller =
          workerGlobalScope->thread()->workerInspectorController())
    return controller->instrumentingAgents();
  return nullptr;
}

InstrumentingAgents* instrumentingAgentsForNonDocumentContext(
    ExecutionContext* context) {
  if (context->isWorkerGlobalScope())
    return instrumentingAgentsFor(toWorkerGlobalScope(context));
  if (context->isMainThreadWorkletGlobalScope())
    return instrumentingAgentsFor(
        toMainThreadWorkletGlobalScope(context)->frame());
  return nullptr;
}

}  // namespace InspectorInstrumentation

}  // namespace blink