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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 "platform/JSONValues.h"
     36 #include "platform/heap/Handle.h"
     37 #include "wtf/HashMap.h"
     38 #include "wtf/text/WTFString.h"
     39 
     40 namespace blink {
     41 
     42 class InspectorStateClient;
     43 
     44 class InspectorStateUpdateListener : public WillBeGarbageCollectedMixin {
     45 public:
     46     virtual ~InspectorStateUpdateListener() { }
     47     virtual void inspectorStateUpdated() = 0;
     48 };
     49 
     50 class InspectorState FINAL : public NoBaseWillBeGarbageCollectedFinalized<InspectorState> {
     51     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     52 public:
     53     InspectorState(InspectorStateUpdateListener*, PassRefPtr<JSONObject>);
     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     long getLong(const String& propertyName, long defaultValue);
     64     double getDouble(const String& propertyName);
     65     double getDouble(const String& propertyName, double defaultValue);
     66     PassRefPtr<JSONObject> getObject(const String& propertyName);
     67 
     68     void setBoolean(const String& propertyName, bool value) { setValue(propertyName, JSONBasicValue::create(value)); }
     69     void setString(const String& propertyName, const String& value) { setValue(propertyName, JSONString::create(value)); }
     70     void setLong(const String& propertyName, long value) { setValue(propertyName, JSONBasicValue::create((double)value)); }
     71     void setDouble(const String& propertyName, double value) { setValue(propertyName, JSONBasicValue::create(value)); }
     72     void setObject(const String& propertyName, PassRefPtr<JSONObject> value) { setValue(propertyName, value); }
     73 
     74     void remove(const String&);
     75 
     76     void trace(Visitor*);
     77 
     78 private:
     79     void updateCookie();
     80     void setValue(const String& propertyName, PassRefPtr<JSONValue>);
     81 
     82     // Gets called from InspectorCompositeState::loadFromCookie().
     83     void setFromCookie(PassRefPtr<JSONObject>);
     84 
     85     friend class InspectorCompositeState;
     86 
     87     RawPtrWillBeMember<InspectorStateUpdateListener> m_listener;
     88     RefPtr<JSONObject> m_properties;
     89 };
     90 
     91 class InspectorCompositeState FINAL : public NoBaseWillBeGarbageCollectedFinalized<InspectorCompositeState>, public InspectorStateUpdateListener {
     92     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InspectorCompositeState);
     93 public:
     94     InspectorCompositeState(InspectorStateClient* inspectorClient)
     95         : m_client(inspectorClient)
     96         , m_stateObject(JSONObject::create())
     97         , m_isMuted(false)
     98     {
     99     }
    100     virtual ~InspectorCompositeState() { }
    101     void trace(Visitor*);
    102 
    103     void mute();
    104     void unmute();
    105 
    106     InspectorState* createAgentState(const String&);
    107     void loadFromCookie(const String&);
    108 
    109 private:
    110     typedef WillBeHeapHashMap<String, OwnPtrWillBeMember<InspectorState> > InspectorStateMap;
    111 
    112     // From InspectorStateUpdateListener.
    113     virtual void inspectorStateUpdated() OVERRIDE;
    114 
    115     InspectorStateClient* m_client;
    116     RefPtr<JSONObject> m_stateObject;
    117     bool m_isMuted;
    118     InspectorStateMap m_inspectorStateMap;
    119 };
    120 
    121 } // namespace blink
    122 
    123 #endif // !defined(InspectorState_h)
    124