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      1 /*
      2  * Copyright (C) 2011 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 InspectorState_h
     32 #define InspectorState_h
     33 
     34 
     35 #include "core/platform/JSONValues.h"
     36 #include "wtf/HashMap.h"
     37 #include "wtf/text/WTFString.h"
     38 
     39 namespace WebCore {
     40 
     41 class InspectorStateClient;
     42 
     43 class InspectorStateUpdateListener {
     44 public:
     45     virtual ~InspectorStateUpdateListener() { }
     46     virtual void inspectorStateUpdated() = 0;
     47 };
     48 
     49 class InspectorState {
     50     WTF_MAKE_FAST_ALLOCATED;
     51 public:
     52     InspectorState(InspectorStateUpdateListener*, PassRefPtr<JSONObject>);
     53     virtual ~InspectorState() {}
     54 
     55     void loadFromCookie(const String& inspectorStateCookie);
     56 
     57     void mute();
     58     void unmute();
     59 
     60     bool getBoolean(const String& propertyName);
     61     String getString(const String& propertyName);
     62     long getLong(const String& propertyName);
     63     double getDouble(const String& propertyName);
     64     PassRefPtr<JSONObject> getObject(const String& propertyName);
     65 
     66     void setBoolean(const String& propertyName, bool value) { setValue(propertyName, JSONBasicValue::create(value)); }
     67     void setString(const String& propertyName, const String& value) { setValue(propertyName, JSONString::create(value)); }
     68     void setLong(const String& propertyName, long value) { setValue(propertyName, JSONBasicValue::create((double)value)); }
     69     void setDouble(const String& propertyName, double value) { setValue(propertyName, JSONBasicValue::create(value)); }
     70     void setObject(const String& propertyName, PassRefPtr<JSONObject> value) { setValue(propertyName, value); }
     71 
     72     void remove(const String&);
     73 private:
     74     void updateCookie();
     75     void setValue(const String& propertyName, PassRefPtr<JSONValue>);
     76 
     77     // Gets called from InspectorCompositeState::loadFromCookie().
     78     void setFromCookie(PassRefPtr<JSONObject>);
     79 
     80     friend class InspectorCompositeState;
     81 
     82     InspectorStateUpdateListener* m_listener;
     83     RefPtr<JSONObject> m_properties;
     84 };
     85 
     86 class InspectorCompositeState : public InspectorStateUpdateListener {
     87 public:
     88     InspectorCompositeState(InspectorStateClient* inspectorClient)
     89         : m_client(inspectorClient)
     90         , m_stateObject(JSONObject::create())
     91         , m_isMuted(false)
     92     {
     93     }
     94     virtual ~InspectorCompositeState() { }
     95 
     96     void mute();
     97     void unmute();
     98 
     99     InspectorState* createAgentState(const String&);
    100     void loadFromCookie(const String&);
    101 
    102 private:
    103     typedef HashMap<String, OwnPtr<InspectorState> > InspectorStateMap;
    104 
    105     // From InspectorStateUpdateListener.
    106     virtual void inspectorStateUpdated();
    107 
    108     InspectorStateClient* m_client;
    109     RefPtr<JSONObject> m_stateObject;
    110     bool m_isMuted;
    111     InspectorStateMap m_inspectorStateMap;
    112 };
    113 
    114 } // namespace WebCore
    115 
    116 #endif // !defined(InspectorState_h)
    117