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      1 /*
      2  * Copyright 2006, The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebHistory_h
     27 #define WebHistory_h
     28 
     29 #include "AndroidWebHistoryBridge.h"
     30 
     31 #include "PlatformString.h"
     32 #include "SkBitmap.h"
     33 
     34 #include <jni.h>
     35 #include <wtf/RefCounted.h>
     36 #include <wtf/Threading.h>
     37 #include <wtf/Vector.h>
     38 
     39 namespace android {
     40 
     41 class AutoJObject;
     42 
     43 class WebHistory {
     44 public:
     45     static void Flatten(JNIEnv*, WTF::Vector<char>&, WebCore::HistoryItem*);
     46     static void AddItem(const AutoJObject&, WebCore::HistoryItem*);
     47     static void RemoveItem(const AutoJObject&, int);
     48     static void UpdateHistoryIndex(const AutoJObject&, int);
     49 };
     50 
     51 // there are two scale factors saved with each history item. m_scale reflects the
     52 // viewport scale factor, default to 100 means 100%. m_textWrapScale records
     53 // the scale factor for wrapping the text paragraph.
     54 class WebHistoryItem : public WebCore::AndroidWebHistoryBridge {
     55 public:
     56     WebHistoryItem(WebHistoryItem* parent)
     57         : WebCore::AndroidWebHistoryBridge(0)
     58         , m_favicon(0)
     59         , m_faviconCached(0)
     60         , m_dataCached(0)
     61         , m_parent(parent)
     62     {}
     63     WebHistoryItem(WebCore::HistoryItem* item)
     64         : WebCore::AndroidWebHistoryBridge(item)
     65         , m_favicon(0)
     66         , m_faviconCached(0)
     67         , m_dataCached(0)
     68         , m_parent(0)
     69     {}
     70     ~WebHistoryItem();
     71     void updateHistoryItem(WebCore::HistoryItem* item);
     72     void setParent(WebHistoryItem* parent) { m_parent = parent; }
     73     WebHistoryItem* parent() const { return m_parent.get(); }
     74 
     75     // TODO: This is ugly. Really the whole bindings of WebHistoryItem needs to be
     76     // cleaned up, but this will do for now
     77     WTF::Mutex m_lock;
     78     String m_url;
     79     String m_originalUrl;
     80     String m_title;
     81     SkBitmap* m_favicon;
     82     WTF::Vector<char> m_data;
     83     jobject m_faviconCached;
     84     jobject m_dataCached;
     85 
     86 private:
     87     RefPtr<WebHistoryItem> m_parent;
     88 };
     89 
     90 };
     91 
     92 #endif
     93