1 /* |
1 /* |
2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
3 * All rights reserved. |
3 * All rights reserved. |
4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
4 * |
9 * Initial Contributors: |
5 * This program is free software: you can redistribute it and/or modify |
10 * Nokia Corporation - initial contribution. |
6 * it under the terms of the GNU Lesser General Public License as published by |
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7 * the Free Software Foundation, version 2.1 of the License. |
11 * |
8 * |
12 * Contributors: |
9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU Lesser General Public License for more details. |
13 * |
13 * |
14 * Description: |
14 * You should have received a copy of the GNU Lesser General Public License |
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15 * along with this program. If not, |
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16 * see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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17 * |
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18 * Description: |
15 * |
19 * |
16 */ |
20 */ |
17 |
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18 |
21 |
19 #ifndef __GINEBRA_GWEBPAGE_H__ |
22 #ifndef __GINEBRA_GWEBPAGE_H__ |
20 #define __GINEBRA_GWEBPAGE_H__ |
23 #define __GINEBRA_GWEBPAGE_H__ |
21 |
24 |
22 #include <QDebug> |
25 #include <QDebug> |
23 #include <QWebPage> |
26 #include <QWebPage> |
24 #include <QWebFrame> |
27 #include <QWebFrame> |
25 #include "ChromeWidget.h" |
28 #include "ChromeWidget.h" |
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29 #include "WebViewEventContext.h" |
26 |
30 |
27 namespace GVA { |
31 namespace GVA { |
28 |
32 |
29 // ------------------------------ |
33 // ------------------------------ |
30 // Simple wrapper class for QWebPage to allow interception of javascript errors. |
34 // Simple wrapper class for QWebPage to allow interception of javascript errors. |
31 class WebPageWrapper : public QWebPage { |
35 class WebPageWrapper : public QWebPage { |
32 public: |
36 public: |
33 WebPageWrapper(QObject *parent, const QString &prefix) |
37 WebPageWrapper(QObject *parent, const QString &prefix); |
34 : QWebPage(parent), |
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35 m_prefix(prefix) { |
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36 qDebug() << "WebPageWrapper::WebPageWrapper"; |
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37 } |
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38 |
38 |
39 // Called when javascript errors are hit in the chrome page. |
39 // Called when javascript errors are hit in the chrome page. |
40 virtual void javaScriptConsoleMessage(const QString & message, int lineNumber, const QString & sourceID) { |
40 virtual void javaScriptConsoleMessage(const QString & message, int lineNumber, const QString & sourceID); |
41 qDebug() << m_prefix << ":"; |
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42 qDebug() << (const char*)QString("===\t%2:%3 %4") |
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43 .arg(sourceID) |
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44 .arg(lineNumber) |
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45 .arg(message).toAscii(); |
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46 } |
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47 QString m_prefix; |
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48 }; |
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49 // ------------------------------ |
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50 |
41 |
51 class GWebPage : public QObject { |
42 QString m_prefix; |
52 Q_OBJECT |
43 }; |
53 public: |
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54 GWebPage(QWebPage *page) { |
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55 m_page = page; |
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56 } |
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57 |
44 |
58 Q_PROPERTY(QString name READ objectName) // JS API |
45 // ------------------------------ |
59 Q_PROPERTY(QString title READ getTitle) // JS API |
46 |
60 QString getTitle() { |
47 class GWebPage : public QObject { |
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48 Q_OBJECT |
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49 public: |
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50 GWebPage(QWebPage *page) { |
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51 m_page = page; // take ownership |
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52 } |
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53 |
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54 virtual ~GWebPage() { |
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55 delete m_page; |
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56 } |
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57 |
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58 Q_PROPERTY(QString name READ objectName) // JS API |
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59 Q_PROPERTY(QString title READ getTitle) // JS API |
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60 QString getTitle() { |
61 return m_page->mainFrame()->title(); |
61 return m_page->mainFrame()->title(); |
62 } |
62 } |
63 |
63 |
64 QWebPage *page() { return m_page; } |
64 QWebPage *page() { return m_page; } |
65 operator QWebPage *() { return m_page; } |
65 operator QWebPage *() { return m_page; } |
66 |
66 |
67 void dump() { |
67 void dump() { |
68 qDebug() << "GWebPage::dump: " << this; |
68 qDebug() << "GWebPage::dump: " << this; |
69 qDebug() << " page=" << (m_page ? m_page : 0); |
69 qDebug() << " page=" << (m_page ? m_page : 0); |
70 } |
70 } |
71 |
71 |
72 protected: |
72 signals: |
73 QWebPage *m_page; |
73 /// Triggered by a QContextEvent such as a long-press or right mouse button click. |
74 }; |
74 void contextEvent(::WebViewEventContext *context); |
75 |
75 |
76 // ------------------------------ |
76 protected slots: |
77 /*! \ingroup JavascriptAPI |
77 void onContextEvent(::WebViewEventContext *context) { emit contextEvent(context); } |
78 * \brief A content view that has full access to the Javascript APIs. |
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79 * |
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80 * Example code to load an HTML file into a super page: |
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81 * \code |
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82 * window.views.WebView.createSuperPage("BookmarkView", true); |
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83 * window.views.WebView.BookmarkView.load("./chrome/BookmarkView.html"); |
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84 * \endcode |
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85 */ |
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86 class GSuperWebPage : public GWebPage { |
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87 Q_OBJECT |
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88 public: |
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89 GSuperWebPage(WebPageWrapper *page, ChromeWidget *chromeWidget) |
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90 : GWebPage(page), |
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91 m_chromeWidget(chromeWidget) |
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92 { |
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93 if(!m_page) { |
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94 m_page = new WebPageWrapper(this, "Superpage javascript error"); |
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95 } |
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96 qDebug() << "GSuperWebPage::GSuperWebPage: page=" << GWebPage::page(); |
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97 connect(GWebPage::page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()), this, SLOT(onJavaScriptWindowObjectCleared())); |
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98 } |
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99 public slots: |
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100 void load(const QString &url) { // JS API |
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101 qDebug() << "GSuperWebPage::load: " << url; |
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102 page()->mainFrame()->load(url); |
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103 } |
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104 private slots: |
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105 void onJavaScriptWindowObjectCleared() { |
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106 qDebug() << "GSuperWebPage::onJavaScriptWindowObjectCleared: " << objectName(); |
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107 if(m_chromeWidget) |
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108 m_chromeWidget->exportJSObjectsToPage(m_page); |
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109 } |
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110 |
78 |
111 private: |
79 protected: |
112 ChromeWidget *m_chromeWidget; // not owned |
80 QWebPage *m_page; // owned |
113 }; |
81 |
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82 friend class GWebContentViewWidget; |
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83 }; |
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84 |
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85 // ------------------------------ |
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86 /*! \ingroup JavascriptAPI |
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87 * \brief A content view that has full access to the Javascript APIs. |
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88 * |
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89 * Example code to load an HTML file into a super page: |
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90 * \code |
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91 * window.views.WebView.createSuperPage("BookmarkView", true); |
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92 * window.views.WebView.BookmarkView.load("./chrome/BookmarkView.html"); |
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93 * \endcode |
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94 */ |
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95 class GSuperWebPage : public GWebPage { |
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96 Q_OBJECT |
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97 public: |
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98 GSuperWebPage(WebPageWrapper *page, ChromeWidget *chromeWidget); |
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99 |
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100 public slots: |
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101 void load(const QString &url); |
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102 |
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103 signals: |
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104 /*! |
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105 * Triggered by the javascript code within the superpage when it wants a context menu to be displayed by |
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106 * the chrome's javascript. |
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107 * |
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108 * The normal chain of events is: |
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109 * \li User executes a long-press (or RMB click). |
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110 * \li Qt sends QContextMenuEvent from QWebView. |
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111 * \li GWebContentViewWidget::contextMenuEvent is called, which passes the event to the superpage |
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112 * (if one is currently displayed). |
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113 * \li The superpage emits \c contextEvent(). |
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114 * \li The context event handler in the superpage's javascript determines what was clicked on |
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115 * and emits \c showContextMenu() from the superpage. |
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116 * \li Javascript \c showContextMenu signal handler in the chrome is called which then displays the context menu. |
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117 */ |
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118 void showContextMenu(QVariant obj); |
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119 |
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120 private slots: |
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121 void onJavaScriptWindowObjectCleared(); |
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122 |
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123 private: |
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124 ChromeWidget *m_chromeWidget; // not owned |
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125 }; |
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126 |
114 } |
127 } |
115 |
128 |
116 #endif // __GINEBRA_GWEBPAGE_H__ |
129 #endif // __GINEBRA_GWEBPAGE_H__ |