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32 #include "web/WebDevToolsAgentImpl.h"
34 #include "bindings/core/v8/PageScriptDebugServer.h"
35 #include "bindings/core/v8/ScriptController.h"
36 #include "bindings/core/v8/V8Binding.h"
37 #include "core/InspectorBackendDispatcher.h"
38 #include "core/InspectorFrontend.h"
39 #include "core/dom/ExceptionCode.h"
40 #include "core/fetch/MemoryCache.h"
41 #include "core/frame/FrameView.h"
42 #include "core/frame/LocalFrame.h"
43 #include "core/frame/Settings.h"
44 #include "core/inspector/InjectedScriptHost.h"
45 #include "core/inspector/InspectorController.h"
46 #include "core/page/FocusController.h"
47 #include "core/page/Page.h"
48 #include "core/rendering/RenderView.h"
49 #include "platform/JSONValues.h"
50 #include "platform/RuntimeEnabledFeatures.h"
51 #include "platform/TraceEvent.h"
52 #include "platform/graphics/GraphicsContext.h"
53 #include "platform/network/ResourceError.h"
54 #include "platform/network/ResourceRequest.h"
55 #include "platform/network/ResourceResponse.h"
56 #include "public/platform/Platform.h"
57 #include "public/platform/WebRect.h"
58 #include "public/platform/WebString.h"
59 #include "public/platform/WebURL.h"
60 #include "public/platform/WebURLError.h"
61 #include "public/platform/WebURLRequest.h"
62 #include "public/platform/WebURLResponse.h"
63 #include "public/web/WebDataSource.h"
64 #include "public/web/WebDevToolsAgentClient.h"
65 #include "public/web/WebDeviceEmulationParams.h"
66 #include "public/web/WebMemoryUsageInfo.h"
67 #include "public/web/WebSettings.h"
68 #include "public/web/WebViewClient.h"
69 #include "web/WebInputEventConversion.h"
70 #include "web/WebLocalFrameImpl.h"
71 #include "web/WebViewImpl.h"
72 #include "wtf/CurrentTime.h"
73 #include "wtf/MathExtras.h"
74 #include "wtf/Noncopyable.h"
75 #include "wtf/ProcessID.h"
76 #include "wtf/text/WTFString.h"
78 namespace OverlayZOrders {
79 // Use 99 as a big z-order number so that highlight is above other overlays.
80 static const int highlight = 99;
85 static int s_nextDebuggerId = 1;
87 class ClientMessageLoopAdapter : public PageScriptDebugServer::ClientMessageLoop {
89 static void ensureClientMessageLoopCreated(WebDevToolsAgentClient* client)
93 OwnPtr<ClientMessageLoopAdapter> instance = adoptPtr(new ClientMessageLoopAdapter(adoptPtr(client->createClientMessageLoop())));
94 s_instance = instance.get();
95 PageScriptDebugServer::shared().setClientMessageLoop(instance.release());
98 static void inspectedViewClosed(WebViewImpl* view)
101 s_instance->m_frozenViews.remove(view);
104 static void didNavigate()
106 // Release render thread if necessary.
107 if (s_instance && s_instance->m_running)
108 PageScriptDebugServer::shared().continueProgram();
112 ClientMessageLoopAdapter(PassOwnPtr<WebDevToolsAgentClient::WebKitClientMessageLoop> messageLoop)
114 , m_messageLoop(messageLoop) { }
117 virtual void run(Page* page)
123 // 0. Flush pending frontend messages.
124 WebViewImpl* viewImpl = WebViewImpl::fromPage(page);
125 WebDevToolsAgentImpl* agent = static_cast<WebDevToolsAgentImpl*>(viewImpl->devToolsAgent());
126 agent->flushPendingFrontendMessages();
128 Vector<WebViewImpl*> views;
130 // 1. Disable input events.
131 const HashSet<Page*>& pages = Page::ordinaryPages();
132 HashSet<Page*>::const_iterator end = pages.end();
133 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
134 WebViewImpl* view = WebViewImpl::fromPage(*it);
137 m_frozenViews.add(view);
139 view->setIgnoreInputEvents(true);
141 // Notify embedder about pausing.
142 agent->client()->willEnterDebugLoop();
144 // 2. Disable active objects
145 WebView::willEnterModalLoop();
147 // 3. Process messages until quitNow is called.
148 m_messageLoop->run();
150 // 4. Resume active objects
151 WebView::didExitModalLoop();
153 // 5. Resume input events.
154 for (Vector<WebViewImpl*>::iterator it = views.begin(); it != views.end(); ++it) {
155 if (m_frozenViews.contains(*it)) {
156 // The view was not closed during the dispatch.
157 (*it)->setIgnoreInputEvents(false);
160 agent->client()->didExitDebugLoop();
162 // 6. All views have been resumed, clear the set.
163 m_frozenViews.clear();
168 virtual void quitNow()
170 m_messageLoop->quitNow();
174 OwnPtr<WebDevToolsAgentClient::WebKitClientMessageLoop> m_messageLoop;
175 typedef HashSet<WebViewImpl*> FrozenViewsSet;
176 FrozenViewsSet m_frozenViews;
177 // FIXME: The ownership model for s_instance is somewhat complicated. Can we make this simpler?
178 static ClientMessageLoopAdapter* s_instance;
181 ClientMessageLoopAdapter* ClientMessageLoopAdapter::s_instance = 0;
183 class DebuggerTask : public PageScriptDebugServer::Task {
185 DebuggerTask(PassOwnPtr<WebDevToolsAgent::MessageDescriptor> descriptor)
186 : m_descriptor(descriptor)
190 virtual ~DebuggerTask() { }
193 if (WebDevToolsAgent* webagent = m_descriptor->agent())
194 webagent->dispatchOnInspectorBackend(m_descriptor->message());
198 OwnPtr<WebDevToolsAgent::MessageDescriptor> m_descriptor;
201 WebDevToolsAgentImpl::WebDevToolsAgentImpl(
202 WebViewImpl* webViewImpl,
203 WebDevToolsAgentClient* client)
204 : m_debuggerId(s_nextDebuggerId++)
207 , m_webViewImpl(webViewImpl)
209 , m_generatingEvent(false)
210 , m_webViewDidLayoutOnceAfterLoad(false)
211 , m_deviceMetricsEnabled(false)
212 , m_emulateMobileEnabled(false)
213 , m_originalViewportEnabled(false)
214 , m_isOverlayScrollbarsEnabled(false)
215 , m_originalMinimumPageScaleFactor(0)
216 , m_originalMaximumPageScaleFactor(0)
217 , m_pageScaleLimitsOverriden(false)
218 , m_touchEventEmulationEnabled(false)
220 ASSERT(isMainThread());
222 long processId = WTF::getCurrentProcessID();
223 ASSERT(processId > 0);
224 inspectorController()->setProcessId(processId);
226 ASSERT(m_debuggerId > 0);
227 ClientMessageLoopAdapter::ensureClientMessageLoopCreated(m_client);
230 WebDevToolsAgentImpl::~WebDevToolsAgentImpl()
232 ClientMessageLoopAdapter::inspectedViewClosed(m_webViewImpl);
234 Platform::current()->currentThread()->removeTaskObserver(this);
237 void WebDevToolsAgentImpl::attach(const WebString& hostId)
242 inspectorController()->connectFrontend(hostId, this);
243 Platform::current()->currentThread()->addTaskObserver(this);
247 void WebDevToolsAgentImpl::reattach(const WebString& hostId, const WebString& savedState)
252 inspectorController()->reuseFrontend(hostId, this, savedState);
253 Platform::current()->currentThread()->addTaskObserver(this);
257 void WebDevToolsAgentImpl::detach()
259 Platform::current()->currentThread()->removeTaskObserver(this);
261 // Prevent controller from sending messages to the frontend.
262 InspectorController* ic = inspectorController();
263 ic->disconnectFrontend();
267 void WebDevToolsAgentImpl::continueProgram()
269 ClientMessageLoopAdapter::didNavigate();
272 void WebDevToolsAgentImpl::didBeginFrame(int frameId)
274 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "BeginMainThreadFrame", "layerTreeId", m_layerTreeId);
275 if (InspectorController* ic = inspectorController())
276 ic->didBeginFrame(frameId);
279 void WebDevToolsAgentImpl::didCancelFrame()
281 if (InspectorController* ic = inspectorController())
282 ic->didCancelFrame();
285 void WebDevToolsAgentImpl::willComposite()
287 TRACE_EVENT_BEGIN1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "CompositeLayers", "layerTreeId", m_layerTreeId);
288 if (InspectorController* ic = inspectorController())
292 void WebDevToolsAgentImpl::didComposite()
294 TRACE_EVENT_END0(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "CompositeLayers");
295 if (InspectorController* ic = inspectorController())
299 void WebDevToolsAgentImpl::didCreateScriptContext(WebLocalFrameImpl* webframe, int worldId)
301 if (LocalFrame* frame = webframe->frame())
302 frame->script().setWorldDebugId(worldId, m_debuggerId);
303 // Skip non main world contexts.
306 m_webViewDidLayoutOnceAfterLoad = false;
309 bool WebDevToolsAgentImpl::handleInputEvent(Page* page, const WebInputEvent& inputEvent)
311 if (!m_attached && !m_generatingEvent)
314 // FIXME: This workaround is required for touch emulation on Mac, where
315 // compositor-side pinch handling is not enabled. See http://crbug.com/138003.
316 bool isPinch = inputEvent.type == WebInputEvent::GesturePinchBegin || inputEvent.type == WebInputEvent::GesturePinchUpdate || inputEvent.type == WebInputEvent::GesturePinchEnd;
317 if (isPinch && m_touchEventEmulationEnabled) {
318 FrameView* frameView = page->deprecatedLocalMainFrame()->view();
319 PlatformGestureEventBuilder gestureEvent(frameView, static_cast<const WebGestureEvent&>(inputEvent));
320 float pageScaleFactor = page->pageScaleFactor();
321 if (gestureEvent.type() == PlatformEvent::GesturePinchBegin) {
322 m_lastPinchAnchorCss = adoptPtr(new IntPoint(frameView->scrollPosition() + gestureEvent.position()));
323 m_lastPinchAnchorDip = adoptPtr(new IntPoint(gestureEvent.position()));
324 m_lastPinchAnchorDip->scale(pageScaleFactor, pageScaleFactor);
326 if (gestureEvent.type() == PlatformEvent::GesturePinchUpdate && m_lastPinchAnchorCss) {
327 float newPageScaleFactor = pageScaleFactor * gestureEvent.scale();
328 IntPoint anchorCss(*m_lastPinchAnchorDip.get());
329 anchorCss.scale(1.f / newPageScaleFactor, 1.f / newPageScaleFactor);
330 m_webViewImpl->setPageScaleFactor(newPageScaleFactor);
331 m_webViewImpl->setMainFrameScrollOffset(*m_lastPinchAnchorCss.get() - toIntSize(anchorCss));
333 if (gestureEvent.type() == PlatformEvent::GesturePinchEnd) {
334 m_lastPinchAnchorCss.clear();
335 m_lastPinchAnchorDip.clear();
340 InspectorController* ic = inspectorController();
344 if (WebInputEvent::isGestureEventType(inputEvent.type) && inputEvent.type == WebInputEvent::GestureTap) {
345 // Only let GestureTab in (we only need it and we know PlatformGestureEventBuilder supports it).
346 PlatformGestureEvent gestureEvent = PlatformGestureEventBuilder(page->deprecatedLocalMainFrame()->view(), static_cast<const WebGestureEvent&>(inputEvent));
347 return ic->handleGestureEvent(toLocalFrame(page->mainFrame()), gestureEvent);
349 if (WebInputEvent::isMouseEventType(inputEvent.type) && inputEvent.type != WebInputEvent::MouseEnter) {
350 // PlatformMouseEventBuilder does not work with MouseEnter type, so we filter it out manually.
351 PlatformMouseEvent mouseEvent = PlatformMouseEventBuilder(page->deprecatedLocalMainFrame()->view(), static_cast<const WebMouseEvent&>(inputEvent));
352 return ic->handleMouseEvent(toLocalFrame(page->mainFrame()), mouseEvent);
354 if (WebInputEvent::isTouchEventType(inputEvent.type)) {
355 PlatformTouchEvent touchEvent = PlatformTouchEventBuilder(page->deprecatedLocalMainFrame()->view(), static_cast<const WebTouchEvent&>(inputEvent));
356 return ic->handleTouchEvent(toLocalFrame(page->mainFrame()), touchEvent);
358 if (WebInputEvent::isKeyboardEventType(inputEvent.type)) {
359 PlatformKeyboardEvent keyboardEvent = PlatformKeyboardEventBuilder(static_cast<const WebKeyboardEvent&>(inputEvent));
360 return ic->handleKeyboardEvent(page->deprecatedLocalMainFrame(), keyboardEvent);
365 void WebDevToolsAgentImpl::didLayout()
367 m_webViewDidLayoutOnceAfterLoad = true;
370 void WebDevToolsAgentImpl::setDeviceMetricsOverride(int width, int height, float deviceScaleFactor, bool mobile, bool fitWindow, float scale, float offsetX, float offsetY)
372 if (!m_deviceMetricsEnabled) {
373 m_deviceMetricsEnabled = true;
374 m_webViewImpl->setBackgroundColorOverride(Color::darkGray);
377 enableMobileEmulation();
379 disableMobileEmulation();
381 WebDeviceEmulationParams params;
382 params.screenPosition = mobile ? WebDeviceEmulationParams::Mobile : WebDeviceEmulationParams::Desktop;
383 params.deviceScaleFactor = deviceScaleFactor;
384 params.viewSize = WebSize(width, height);
385 params.fitToView = fitWindow;
386 params.scale = scale;
387 params.offset = WebFloatPoint(offsetX, offsetY);
388 m_client->enableDeviceEmulation(params);
391 void WebDevToolsAgentImpl::clearDeviceMetricsOverride()
393 if (m_deviceMetricsEnabled) {
394 m_deviceMetricsEnabled = false;
395 m_webViewImpl->setBackgroundColorOverride(Color::transparent);
396 disableMobileEmulation();
397 m_client->disableDeviceEmulation();
401 void WebDevToolsAgentImpl::setTouchEventEmulationEnabled(bool enabled)
403 m_client->setTouchEventEmulationEnabled(enabled, enabled);
404 m_touchEventEmulationEnabled = enabled;
405 updatePageScaleFactorLimits();
408 void WebDevToolsAgentImpl::enableMobileEmulation()
410 if (m_emulateMobileEnabled)
412 m_emulateMobileEnabled = true;
413 m_isOverlayScrollbarsEnabled = RuntimeEnabledFeatures::overlayScrollbarsEnabled();
414 RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(true);
415 m_originalViewportEnabled = RuntimeEnabledFeatures::cssViewportEnabled();
416 RuntimeEnabledFeatures::setCSSViewportEnabled(true);
417 m_webViewImpl->settings()->setViewportEnabled(true);
418 m_webViewImpl->settings()->setViewportMetaEnabled(true);
419 m_webViewImpl->settings()->setShrinksViewportContentToFit(true);
420 m_webViewImpl->setIgnoreViewportTagScaleLimits(true);
421 m_webViewImpl->setZoomFactorOverride(1);
422 updatePageScaleFactorLimits();
425 void WebDevToolsAgentImpl::disableMobileEmulation()
427 if (!m_emulateMobileEnabled)
429 RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(m_isOverlayScrollbarsEnabled);
430 RuntimeEnabledFeatures::setCSSViewportEnabled(m_originalViewportEnabled);
431 m_webViewImpl->settings()->setViewportEnabled(false);
432 m_webViewImpl->settings()->setViewportMetaEnabled(false);
433 m_webViewImpl->settings()->setShrinksViewportContentToFit(false);
434 m_webViewImpl->setIgnoreViewportTagScaleLimits(false);
435 m_webViewImpl->setZoomFactorOverride(0);
436 m_emulateMobileEnabled = false;
437 updatePageScaleFactorLimits();
440 void WebDevToolsAgentImpl::updatePageScaleFactorLimits()
442 if (m_touchEventEmulationEnabled || m_emulateMobileEnabled) {
443 if (!m_pageScaleLimitsOverriden) {
444 m_originalMinimumPageScaleFactor = m_webViewImpl->minimumPageScaleFactor();
445 m_originalMaximumPageScaleFactor = m_webViewImpl->maximumPageScaleFactor();
446 m_pageScaleLimitsOverriden = true;
448 if (m_emulateMobileEnabled) {
449 m_webViewImpl->setPageScaleFactorLimits(-1, -1);
450 m_webViewImpl->setInitialPageScaleOverride(-1);
452 m_webViewImpl->setPageScaleFactorLimits(1, 4);
453 m_webViewImpl->setInitialPageScaleOverride(1);
456 if (m_pageScaleLimitsOverriden) {
457 m_pageScaleLimitsOverriden = false;
458 m_webViewImpl->setPageScaleFactorLimits(m_originalMinimumPageScaleFactor, m_originalMaximumPageScaleFactor);
459 m_webViewImpl->setInitialPageScaleOverride(1);
464 void WebDevToolsAgentImpl::setTraceEventCallback(const String& categoryFilter, TraceEventCallback callback)
466 m_client->setTraceEventCallback(categoryFilter, callback);
469 void WebDevToolsAgentImpl::resetTraceEventCallback()
471 m_client->resetTraceEventCallback();
474 void WebDevToolsAgentImpl::enableTracing(const String& categoryFilter)
476 m_client->enableTracing(categoryFilter);
479 void WebDevToolsAgentImpl::disableTracing()
481 m_client->disableTracing();
484 void WebDevToolsAgentImpl::startGPUEventsRecording()
486 m_client->startGPUEventsRecording();
489 void WebDevToolsAgentImpl::stopGPUEventsRecording()
491 m_client->stopGPUEventsRecording();
494 void WebDevToolsAgentImpl::processGPUEvent(const GPUEvent& event)
496 if (InspectorController* ic = inspectorController())
497 ic->processGPUEvent(event.timestamp, event.phase, event.foreign, event.usedGPUMemoryBytes, event.limitGPUMemoryBytes);
500 void WebDevToolsAgentImpl::dispatchKeyEvent(const PlatformKeyboardEvent& event)
502 if (!m_webViewImpl->page()->focusController().isFocused())
503 m_webViewImpl->setFocus(true);
505 m_generatingEvent = true;
506 WebKeyboardEvent webEvent = WebKeyboardEventBuilder(event);
507 if (!webEvent.keyIdentifier[0] && webEvent.type != WebInputEvent::Char)
508 webEvent.setKeyIdentifierFromWindowsKeyCode();
509 m_webViewImpl->handleInputEvent(webEvent);
510 m_generatingEvent = false;
513 void WebDevToolsAgentImpl::dispatchMouseEvent(const PlatformMouseEvent& event)
515 if (!m_webViewImpl->page()->focusController().isFocused())
516 m_webViewImpl->setFocus(true);
518 m_generatingEvent = true;
519 WebMouseEvent webEvent = WebMouseEventBuilder(m_webViewImpl->mainFrameImpl()->frameView(), event);
520 m_webViewImpl->handleInputEvent(webEvent);
521 m_generatingEvent = false;
524 void WebDevToolsAgentImpl::dispatchOnInspectorBackend(const WebString& message)
526 inspectorController()->dispatchMessageFromFrontend(message);
529 void WebDevToolsAgentImpl::inspectElementAt(const WebPoint& point)
531 m_webViewImpl->inspectElementAt(point);
534 InspectorController* WebDevToolsAgentImpl::inspectorController()
536 if (Page* page = m_webViewImpl->page())
537 return &page->inspectorController();
541 LocalFrame* WebDevToolsAgentImpl::mainFrame()
543 if (Page* page = m_webViewImpl->page())
544 return page->deprecatedLocalMainFrame();
549 void WebDevToolsAgentImpl::paintPageOverlay(WebCanvas* canvas)
551 InspectorController* ic = inspectorController();
553 GraphicsContext context(canvas);
554 context.setCertainlyOpaque(false);
555 ic->drawHighlight(context);
559 void WebDevToolsAgentImpl::highlight()
561 if (!m_webViewDidLayoutOnceAfterLoad) {
562 m_webViewDidLayoutOnceAfterLoad = true;
563 m_webViewImpl->layout();
565 m_webViewImpl->addPageOverlay(this, OverlayZOrders::highlight);
568 void WebDevToolsAgentImpl::hideHighlight()
570 m_webViewImpl->removePageOverlay(this);
573 void WebDevToolsAgentImpl::sendMessageToFrontend(PassRefPtr<JSONObject> message)
575 m_frontendMessageQueue.append(message);
578 void WebDevToolsAgentImpl::flush()
580 flushPendingFrontendMessages();
583 void WebDevToolsAgentImpl::updateInspectorStateCookie(const String& state)
585 m_client->saveAgentRuntimeState(state);
588 void WebDevToolsAgentImpl::resumeStartup()
590 m_client->resumeStartup();
593 void WebDevToolsAgentImpl::setLayerTreeId(int layerTreeId)
595 m_layerTreeId = layerTreeId;
596 inspectorController()->setLayerTreeId(layerTreeId);
599 void WebDevToolsAgentImpl::evaluateInWebInspector(long callId, const WebString& script)
601 InspectorController* ic = inspectorController();
602 ic->evaluateForTestInFrontend(callId, script);
605 void WebDevToolsAgentImpl::flushPendingFrontendMessages()
607 InspectorController* ic = inspectorController();
608 ic->flushPendingFrontendMessages();
610 for (size_t i = 0; i < m_frontendMessageQueue.size(); ++i)
611 m_client->sendMessageToInspectorFrontend(m_frontendMessageQueue[i]->toJSONString());
612 m_frontendMessageQueue.clear();
615 void WebDevToolsAgentImpl::willProcessTask()
619 if (InspectorController* ic = inspectorController())
620 ic->willProcessTask();
621 TRACE_EVENT_BEGIN0(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Program");
624 void WebDevToolsAgentImpl::didProcessTask()
628 if (InspectorController* ic = inspectorController())
629 ic->didProcessTask();
630 TRACE_EVENT_END0(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Program");
631 flushPendingFrontendMessages();
634 void WebDevToolsAgent::interruptAndDispatch(MessageDescriptor* rawDescriptor)
636 // rawDescriptor can't be a PassOwnPtr because interruptAndDispatch is a WebKit API function.
637 OwnPtr<MessageDescriptor> descriptor = adoptPtr(rawDescriptor);
638 OwnPtr<DebuggerTask> task = adoptPtr(new DebuggerTask(descriptor.release()));
639 PageScriptDebugServer::interruptAndRun(task.release());
642 bool WebDevToolsAgent::shouldInterruptForMessage(const WebString& message)
645 if (!InspectorBackendDispatcher::getCommandName(message, &commandName))
647 return commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_pauseCmd)
648 || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointCmd)
649 || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointByUrlCmd)
650 || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_removeBreakpointCmd)
651 || commandName == InspectorBackendDispatcher::commandName(InspectorBackendDispatcher::kDebugger_setBreakpointsActiveCmd);
654 void WebDevToolsAgent::processPendingMessages()
656 PageScriptDebugServer::shared().runPendingTasks();