1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2011 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef InspectorDOMAgent_h 31 #define InspectorDOMAgent_h 32 33 #include "core/InspectorFrontend.h" 34 #include "core/inspector/InjectedScript.h" 35 #include "core/inspector/InjectedScriptManager.h" 36 #include "core/inspector/InspectorBaseAgent.h" 37 #include "core/rendering/RenderLayer.h" 38 #include "platform/JSONValues.h" 39 40 #include "wtf/HashMap.h" 41 #include "wtf/HashSet.h" 42 #include "wtf/OwnPtr.h" 43 #include "wtf/PassOwnPtr.h" 44 #include "wtf/RefPtr.h" 45 #include "wtf/Vector.h" 46 #include "wtf/text/AtomicString.h" 47 48 namespace WebCore { 49 50 class CharacterData; 51 class DOMEditor; 52 class Document; 53 class Element; 54 class EventTarget; 55 class ExceptionState; 56 class InspectorFrontend; 57 class InspectorHistory; 58 class InspectorOverlay; 59 class InspectorPageAgent; 60 class InspectorState; 61 class InstrumentingAgents; 62 class Node; 63 class PlatformGestureEvent; 64 class PlatformTouchEvent; 65 class RevalidateStyleAttributeTask; 66 class ShadowRoot; 67 68 struct HighlightConfig; 69 70 typedef String ErrorString; 71 72 73 struct EventListenerInfo { EventListenerInfoEventListenerInfo74 EventListenerInfo(EventTarget* eventTarget, const AtomicString& eventType, const EventListenerVector& eventListenerVector) 75 : eventTarget(eventTarget) 76 , eventType(eventType) 77 , eventListenerVector(eventListenerVector) 78 { 79 } 80 81 EventTarget* eventTarget; 82 const AtomicString eventType; 83 const EventListenerVector eventListenerVector; 84 }; 85 86 class InspectorDOMAgent FINAL : public InspectorBaseAgent<InspectorDOMAgent>, public InspectorBackendDispatcher::DOMCommandHandler { 87 WTF_MAKE_NONCOPYABLE(InspectorDOMAgent); 88 public: 89 struct DOMListener { ~DOMListenerDOMListener90 virtual ~DOMListener() 91 { 92 } 93 virtual void didRemoveDocument(Document*) = 0; 94 virtual void didRemoveDOMNode(Node*) = 0; 95 virtual void didModifyDOMAttr(Element*) = 0; 96 }; 97 create(InspectorPageAgent * pageAgent,InjectedScriptManager * injectedScriptManager,InspectorOverlay * overlay)98 static PassOwnPtr<InspectorDOMAgent> create(InspectorPageAgent* pageAgent, InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay) 99 { 100 return adoptPtr(new InspectorDOMAgent(pageAgent, injectedScriptManager, overlay)); 101 } 102 103 static String toErrorString(ExceptionState&); 104 105 virtual ~InspectorDOMAgent(); 106 107 virtual void setFrontend(InspectorFrontend*) OVERRIDE; 108 virtual void clearFrontend() OVERRIDE; 109 virtual void restore() OVERRIDE; 110 111 Vector<Document*> documents(); 112 void reset(); 113 114 // Methods called from the frontend for DOM nodes inspection. 115 virtual void enable(ErrorString*) OVERRIDE; 116 virtual void disable(ErrorString*) OVERRIDE; 117 virtual void querySelector(ErrorString*, int nodeId, const String& selectors, int* elementId) OVERRIDE; 118 virtual void querySelectorAll(ErrorString*, int nodeId, const String& selectors, RefPtr<TypeBuilder::Array<int> >& result) OVERRIDE; 119 virtual void getDocument(ErrorString*, RefPtr<TypeBuilder::DOM::Node>& root) OVERRIDE; 120 virtual void requestChildNodes(ErrorString*, int nodeId, const int* depth) OVERRIDE; 121 virtual void setAttributeValue(ErrorString*, int elementId, const String& name, const String& value) OVERRIDE; 122 virtual void setAttributesAsText(ErrorString*, int elementId, const String& text, const String* name) OVERRIDE; 123 virtual void removeAttribute(ErrorString*, int elementId, const String& name) OVERRIDE; 124 virtual void removeNode(ErrorString*, int nodeId) OVERRIDE; 125 virtual void setNodeName(ErrorString*, int nodeId, const String& name, int* newId) OVERRIDE; 126 virtual void getOuterHTML(ErrorString*, int nodeId, WTF::String* outerHTML) OVERRIDE; 127 virtual void setOuterHTML(ErrorString*, int nodeId, const String& outerHTML) OVERRIDE; 128 virtual void setNodeValue(ErrorString*, int nodeId, const String& value) OVERRIDE; 129 virtual void getEventListenersForNode(ErrorString*, int nodeId, const WTF::String* objectGroup, RefPtr<TypeBuilder::Array<TypeBuilder::DOM::EventListener> >& listenersArray) OVERRIDE; 130 virtual void performSearch(ErrorString*, const String& whitespaceTrimmedQuery, String* searchId, int* resultCount) OVERRIDE; 131 virtual void getSearchResults(ErrorString*, const String& searchId, int fromIndex, int toIndex, RefPtr<TypeBuilder::Array<int> >&) OVERRIDE; 132 virtual void discardSearchResults(ErrorString*, const String& searchId) OVERRIDE; 133 virtual void resolveNode(ErrorString*, int nodeId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result) OVERRIDE; 134 virtual void getAttributes(ErrorString*, int nodeId, RefPtr<TypeBuilder::Array<String> >& result) OVERRIDE; 135 virtual void setInspectModeEnabled(ErrorString*, bool enabled, const bool* inspectUAShadowDOM, const RefPtr<JSONObject>* highlightConfig) OVERRIDE; 136 virtual void requestNode(ErrorString*, const String& objectId, int* nodeId) OVERRIDE; 137 virtual void pushNodeByPathToFrontend(ErrorString*, const String& path, int* nodeId) OVERRIDE; 138 virtual void pushNodesByBackendIdsToFrontend(ErrorString*, const RefPtr<JSONArray>& nodeIds, RefPtr<TypeBuilder::Array<int> >&) OVERRIDE; 139 virtual void hideHighlight(ErrorString*) OVERRIDE; 140 virtual void highlightRect(ErrorString*, int x, int y, int width, int height, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor) OVERRIDE; 141 virtual void highlightQuad(ErrorString*, const RefPtr<JSONArray>& quad, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor) OVERRIDE; 142 virtual void highlightNode(ErrorString*, const RefPtr<JSONObject>& highlightConfig, const int* nodeId, const String* objectId) OVERRIDE; 143 virtual void highlightFrame(ErrorString*, const String& frameId, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor) OVERRIDE; 144 145 virtual void moveTo(ErrorString*, int nodeId, int targetNodeId, const int* anchorNodeId, int* newNodeId) OVERRIDE; 146 virtual void undo(ErrorString*) OVERRIDE; 147 virtual void redo(ErrorString*) OVERRIDE; 148 virtual void markUndoableState(ErrorString*) OVERRIDE; 149 virtual void focus(ErrorString*, int nodeId) OVERRIDE; 150 virtual void setFileInputFiles(ErrorString*, int nodeId, const RefPtr<JSONArray>& files) OVERRIDE; 151 virtual void getBoxModel(ErrorString*, int nodeId, RefPtr<TypeBuilder::DOM::BoxModel>&) OVERRIDE; 152 virtual void getNodeForLocation(ErrorString*, int x, int y, int* nodeId) OVERRIDE; 153 virtual void getRelayoutBoundary(ErrorString*, int nodeId, int* relayoutBoundaryNodeId) OVERRIDE; 154 155 static void getEventListeners(EventTarget*, Vector<EventListenerInfo>& listenersArray, bool includeAncestors); 156 157 class Listener { 158 public: ~Listener()159 virtual ~Listener() { } 160 virtual void domAgentWasEnabled() = 0; 161 virtual void domAgentWasDisabled() = 0; 162 }; setListener(Listener * listener)163 void setListener(Listener* listener) { m_listener = listener; } 164 165 bool enabled() const; 166 167 // Methods called from the InspectorInstrumentation. 168 void setDocument(Document*); 169 void releaseDanglingNodes(); 170 171 void domContentLoadedEventFired(LocalFrame*); 172 void didCommitLoad(LocalFrame*, DocumentLoader*); 173 174 void didInsertDOMNode(Node*); 175 void willRemoveDOMNode(Node*); 176 void willModifyDOMAttr(Element*, const AtomicString& oldValue, const AtomicString& newValue); 177 void didModifyDOMAttr(Element*, const AtomicString& name, const AtomicString& value); 178 void didRemoveDOMAttr(Element*, const AtomicString& name); 179 void styleAttributeInvalidated(const WillBeHeapVector<RawPtrWillBeMember<Element> >& elements); 180 void characterDataModified(CharacterData*); 181 void didInvalidateStyleAttr(Node*); 182 void didPushShadowRoot(Element* host, ShadowRoot*); 183 void willPopShadowRoot(Element* host, ShadowRoot*); 184 void frameDocumentUpdated(LocalFrame*); 185 void pseudoElementCreated(PseudoElement*); 186 void pseudoElementDestroyed(PseudoElement*); 187 188 Node* nodeForId(int nodeId); 189 int boundNodeId(Node*); 190 void setDOMListener(DOMListener*); 191 192 static String documentURLString(Document*); 193 194 PassRefPtr<TypeBuilder::Runtime::RemoteObject> resolveNode(Node*, const String& objectGroup); 195 bool handleMousePress(); 196 bool handleGestureEvent(LocalFrame*, const PlatformGestureEvent&); 197 bool handleTouchEvent(LocalFrame*, const PlatformTouchEvent&); 198 void handleMouseMove(LocalFrame*, const PlatformMouseEvent&); 199 history()200 InspectorHistory* history() { return m_history.get(); } 201 202 // We represent embedded doms as a part of the same hierarchy. Hence we treat children of frame owners differently. 203 // We also skip whitespace text nodes conditionally. Following methods encapsulate these specifics. 204 static Node* innerFirstChild(Node*); 205 static Node* innerNextSibling(Node*); 206 static Node* innerPreviousSibling(Node*); 207 static unsigned innerChildNodeCount(Node*); 208 static Node* innerParentNode(Node*); 209 static bool isWhitespace(Node*); 210 211 Node* assertNode(ErrorString*, int nodeId); 212 Element* assertElement(ErrorString*, int nodeId); 213 Document* assertDocument(ErrorString*, int nodeId); 214 215 private: 216 enum SearchMode { NotSearching, SearchingForNormal, SearchingForUAShadow }; 217 218 InspectorDOMAgent(InspectorPageAgent*, InjectedScriptManager*, InspectorOverlay*); 219 220 void setSearchingForNode(ErrorString*, SearchMode, JSONObject* highlightConfig); 221 PassOwnPtr<HighlightConfig> highlightConfigFromInspectorObject(ErrorString*, JSONObject* highlightInspectorObject); 222 223 // Node-related methods. 224 typedef WillBeHeapHashMap<RefPtrWillBeMember<Node>, int> NodeToIdMap; 225 int bind(Node*, NodeToIdMap*); 226 void unbind(Node*, NodeToIdMap*); 227 228 Node* assertEditableNode(ErrorString*, int nodeId); 229 Element* assertEditableElement(ErrorString*, int nodeId); 230 231 void inspect(Node*); 232 233 int pushNodePathToFrontend(Node*); 234 void pushChildNodesToFrontend(int nodeId, int depth = 1); 235 236 void invalidateFrameOwnerElement(LocalFrame*); 237 238 bool hasBreakpoint(Node*, int type); 239 void updateSubtreeBreakpoints(Node* root, uint32_t rootMask, bool value); 240 void descriptionForDOMEvent(Node* target, int breakpointType, bool insertion, PassRefPtr<JSONObject> description); 241 242 PassRefPtr<TypeBuilder::DOM::Node> buildObjectForNode(Node*, int depth, NodeToIdMap*); 243 PassRefPtr<TypeBuilder::Array<String> > buildArrayForElementAttributes(Element*); 244 PassRefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > buildArrayForContainerChildren(Node* container, int depth, NodeToIdMap* nodesMap); 245 PassRefPtr<TypeBuilder::DOM::EventListener> buildObjectForEventListener(const RegisteredEventListener&, const AtomicString& eventType, Node*, const String* objectGroupId); 246 PassRefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > buildArrayForPseudoElements(Element*, NodeToIdMap* nodesMap); 247 248 Node* nodeForPath(const String& path); 249 250 void discardFrontendBindings(); 251 252 void innerHighlightQuad(PassOwnPtr<FloatQuad>, const RefPtr<JSONObject>* color, const RefPtr<JSONObject>* outlineColor); 253 254 bool pushDocumentUponHandlelessOperation(ErrorString*); 255 256 InspectorPageAgent* m_pageAgent; 257 InjectedScriptManager* m_injectedScriptManager; 258 InspectorOverlay* m_overlay; 259 InspectorFrontend::DOM* m_frontend; 260 DOMListener* m_domListener; 261 OwnPtrWillBePersistent<NodeToIdMap> m_documentNodeToIdMap; 262 // Owns node mappings for dangling nodes. 263 WillBePersistentHeapVector<OwnPtrWillBeMember<NodeToIdMap> > m_danglingNodeToIdMaps; 264 WillBePersistentHeapHashMap<int, RawPtrWillBeMember<Node> > m_idToNode; 265 WillBePersistentHeapHashMap<int, RawPtrWillBeMember<NodeToIdMap> > m_idToNodesMap; 266 HashSet<int> m_childrenRequested; 267 HashMap<int, int> m_cachedChildCount; 268 int m_lastNodeId; 269 RefPtrWillBePersistent<Document> m_document; 270 typedef WillBePersistentHeapHashMap<String, WillBeHeapVector<RefPtrWillBeMember<Node> > > SearchResults; 271 SearchResults m_searchResults; 272 OwnPtr<RevalidateStyleAttributeTask> m_revalidateStyleAttrTask; 273 SearchMode m_searchingForNode; 274 OwnPtr<HighlightConfig> m_inspectModeHighlightConfig; 275 OwnPtrWillBePersistent<InspectorHistory> m_history; 276 OwnPtrWillBePersistent<DOMEditor> m_domEditor; 277 bool m_suppressAttributeModifiedEvent; 278 Listener* m_listener; 279 }; 280 281 282 } // namespace WebCore 283 284 #endif // !defined(InspectorDOMAgent_h) 285