1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef _GINEBRA_CHROME_WIDGET_H_

    20 #define _GINEBRA_CHROME_WIDGET_H_

    21 

    22 #include <QtGui>

    23 #include <QMap>

    24 #include <QPainterPath>

    25 //#include "chromerenderer.h"

    26 

    27 //#define G_QUICKSTART

    28 

    29 class QWebPage;

    30 class ChromeSnippet;

    31 class QNetworkAccessManager;

    32 class QWebView;

    33 class QWebFrame;

    34 class QNetworkReply;

    35 class ChromeView;

    36 class QGraphicsScene;

    37 class QTimeLine;

    38 

    39 /**

    40  * \brief Manages chrome snippets.

    41  * 

    42  * The ChromeWidget class manages the snippets that comprise the "chrome" of 

    43  * the browser and the underlying web page that renders the snippets. 

    44  * 

    45  * \sa ChromeSnippet

    46  */

    47 class ChromeWidget : public QObject

    48 {

    49     Q_OBJECT

    50 

    51 typedef enum {

    52   minimized,

    53   maximized

    54 } Visibility;

    55 

    56 public:

    57     friend class ChromeRenderer;

    58     ChromeWidget(ChromeView *parentChromeView, QGraphicsItem *parent, const QString &jsName);

    59     ~ChromeWidget();

    60     void setChromeUrl(QString url);

    61     QString chromeUrl() const { return m_chromeUrl; }

    62     QWebPage * chromePage() { return m_chromePage; }

    63     void setContentPage(QWebPage * p);

    64 #ifdef Q_OS_SYMBIAN

    65     QPixmap * buffer();

    66 #else

    67     QImage* buffer();

    68 #endif

    69     QPainter* painter();

    70     void setGeometry(const QRect &rect);

    71     void setGeometry(int x, int y, int w, int h) { setGeometry(QRect(x, y, w, h)); }

    72     ChromeSnippet *getSnippet(const QString &docElementId, QGraphicsItem *parent = 0);

    73     void getInitialChrome();

    74 

    75     void show(const QString& id, int x, int y);

    76     void show(const QString& id);

    77     void hide(const QString& id);

    78     void setLocation(const QString& id, int x, int y);

    79     void setAnchor(const QString& id, const QString& anchor);

    80     void toggleVisibility(const QString& id);

    81     void toggleAttention(const QString& id);

    82     void setVisibilityAnimator(const QString& elementId, const QString & animatorName);

    83     void setAttentionAnimator(const QString& elementId, const QString & animatorName);

    84     QString getDisplayMode();

    85     

    86     // Returns the javascript object that represents this object.

    87 	QObject *jsObject();

    88 

    89     //returns the parent chrome view

    90     ChromeView* getChromeView() { return m_parentChromeView; }

    91 

    92 signals:

    93     void delegateLink(const QUrl& url);

    94     void loadStarted();

    95     void loadComplete();

    96     void dragStarted();

    97     void dragFinished();

    98     void viewPortResize(QRect);

    99    

   100     

   101 public slots:

   102     void updateViewPort();

   103     void setViewPort(QRect viewPort);

   104     void repaintRequested(QRect dirtyRect);

   105     

   106 protected slots:

   107     void frameCreated(QWebFrame* frame);

   108     void loadFinished(bool ok = true);

   109     void onLoadStarted();

   110     void networkRequestFinished(QNetworkReply *);

   111     void debugAlert(const QString &msg);

   112 public:

   113     QSize getDocElementSize(const QString &id);

   114     QRect getDocElementRect(const QString &id);

   115     void updateChildGeometries();

   116     void dump();

   117 protected:

   118     QVariant getDocElement(const QString &id);

   119     QString getDocElementAttribute(const QString &id, const QString &attribute);

   120     QVariant getDocIdsByName(const QString &name);

   121     QVariant getDocIdsByClassName(const QString &name);

   122     QVariant getChildIdsByClassName(const QString &parentId, const QString &name);

   123     void resizeBuffer();

   124     void updateOwnerAreas();

   125     bool eventFilter(QObject *object, QEvent *event);

   126     void paintDirtyRegion();

   127 

   128     // Get the snippet that contains the point pos.

   129     ChromeSnippet *getSnippet(QPoint pos) const;

   130 

   131     //Reconstruct snippets from the cache

   132     bool isCached(QString url);

   133     void cacheBuffer();

   134     void restoreBuffer();

   135 

   136 protected:

   137     //This is the web page that renders the chrome

   138     QWebPage *m_chromePage;

   139 

   140 private:

   141     QGraphicsItem *m_parentItem;

   142     ChromeView *m_parentChromeView;

   143     QMap<QString, ChromeSnippet *> m_snippetMap;

   144     QString m_chromeUrl;

   145     Visibility m_state;

   146 #ifdef Q_OS_SYMBIAN

   147     QPixmap *m_buffer;

   148 #else

   149     QImage *m_buffer;

   150 #endif

   151     QPainter *m_painter;

   152     QRegion m_dirtyRegion;

   153     QTimer *m_dirtyTimer;

   154     class ChromeWidgetJSObject *m_jsObject;  // owned

   155 #ifdef G_QUICKSTART

   156     bool m_bufferCached;

   157     QString m_bufferFile;

   158     ChromeSnippet* m_fakeTopSnippet;

   159     ChromeSnippet* m_fakeBottomSnippet;

   160 #endif

   161 };

   162 #endif