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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebDevToolsAgentImpl_h
     32 #define WebDevToolsAgentImpl_h
     33 
     34 #include "core/inspector/InspectorClient.h"
     35 #include "core/inspector/InspectorFrontendChannel.h"
     36 
     37 #include "WebDevToolsAgentPrivate.h"
     38 #include "WebPageOverlay.h"
     39 #include "public/platform/WebSize.h"
     40 #include "public/platform/WebThread.h"
     41 #include "wtf/Forward.h"
     42 #include "wtf/OwnPtr.h"
     43 
     44 namespace WebCore {
     45 class Document;
     46 class Frame;
     47 class FrameView;
     48 class GraphicsContext;
     49 class InspectorClient;
     50 class InspectorController;
     51 class Node;
     52 class PlatformKeyboardEvent;
     53 }
     54 
     55 namespace blink {
     56 
     57 class WebDevToolsAgentClient;
     58 class WebFrame;
     59 class WebFrameImpl;
     60 class WebString;
     61 class WebURLRequest;
     62 class WebURLResponse;
     63 class WebViewImpl;
     64 struct WebMemoryUsageInfo;
     65 struct WebURLError;
     66 struct WebDevToolsMessageData;
     67 
     68 class WebDevToolsAgentImpl : public WebDevToolsAgentPrivate,
     69                              public WebCore::InspectorClient,
     70                              public WebCore::InspectorFrontendChannel,
     71                              public WebPageOverlay,
     72                              private WebThread::TaskObserver {
     73 public:
     74     WebDevToolsAgentImpl(WebViewImpl* webViewImpl, WebDevToolsAgentClient* client);
     75     virtual ~WebDevToolsAgentImpl();
     76 
     77     // WebDevToolsAgentPrivate implementation.
     78     virtual void didCreateScriptContext(WebFrameImpl*, int worldId);
     79     virtual void webViewResized(const WebSize&);
     80     virtual bool handleInputEvent(WebCore::Page*, const WebInputEvent&);
     81 
     82     // WebDevToolsAgent implementation.
     83     virtual void attach();
     84     virtual void reattach(const WebString& savedState);
     85     virtual void detach();
     86     virtual void didNavigate();
     87     virtual void didBeginFrame(int frameId);
     88     virtual void didCancelFrame();
     89     virtual void willComposite();
     90     virtual void didComposite();
     91     virtual void dispatchOnInspectorBackend(const WebString& message);
     92     virtual void inspectElementAt(const WebPoint& point);
     93     virtual void evaluateInWebInspector(long callId, const WebString& script);
     94     virtual void setProcessId(long);
     95     virtual void setLayerTreeId(int);
     96     // FIXME: remove it once the client side stops firing these.
     97     virtual void processGPUEvent(double timestamp, int phase, bool foreign) OVERRIDE;
     98     virtual void processGPUEvent(const GPUEvent&) OVERRIDE;
     99 
    100     // InspectorClient implementation.
    101     virtual void highlight();
    102     virtual void hideHighlight();
    103     virtual void updateInspectorStateCookie(const WTF::String&);
    104     virtual bool sendMessageToFrontend(const WTF::String&);
    105 
    106     virtual void clearBrowserCache();
    107     virtual void clearBrowserCookies();
    108 
    109     virtual void overrideDeviceMetrics(int width, int height, float deviceScaleFactor, bool emulateViewport, bool fitWindow);
    110 
    111     virtual void getAllocatedObjects(HashSet<const void*>&);
    112     virtual void dumpUncountedAllocatedObjects(const HashMap<const void*, size_t>&);
    113     virtual void setTraceEventCallback(TraceEventCallback);
    114     virtual void startGPUEventsRecording() OVERRIDE;
    115     virtual void stopGPUEventsRecording() OVERRIDE;
    116 
    117     virtual void dispatchKeyEvent(const WebCore::PlatformKeyboardEvent&);
    118     virtual void dispatchMouseEvent(const WebCore::PlatformMouseEvent&);
    119 
    120     // WebPageOverlay
    121     virtual void paintPageOverlay(WebCanvas*);
    122 
    123 private:
    124     // WebThread::TaskObserver
    125     virtual void willProcessTask();
    126     virtual void didProcessTask();
    127 
    128     void enableViewportEmulation();
    129     void disableViewportEmulation();
    130 
    131     WebCore::InspectorController* inspectorController();
    132     WebCore::Frame* mainFrame();
    133 
    134     int m_hostId;
    135     WebDevToolsAgentClient* m_client;
    136     WebViewImpl* m_webViewImpl;
    137     bool m_attached;
    138     bool m_generatingEvent;
    139     bool m_deviceMetricsEnabled;
    140     bool m_emulateViewportEnabled;
    141     bool m_originalViewportEnabled;
    142     bool m_isOverlayScrollbarsEnabled;
    143 };
    144 
    145 } // namespace blink
    146 
    147 #endif
    148