1 /****************************************************************************
2 **
3 ** Copyright (C) 2019 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtWebEngine module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 //
41 //  W A R N I N G
42 //  -------------
43 //
44 // This file is not part of the Qt API.  It exists purely as an
45 // implementation detail.  This header file may change from version to
46 // version without notice, or even be removed.
47 //
48 // We mean it.
49 //
50 
51 #ifndef FIND_TEXT_HELPER_H
52 #define FIND_TEXT_HELPER_H
53 
54 #include "qtwebenginecoreglobal_p.h"
55 
56 #include "qwebenginecallback_p.h"
57 #include <QJSValue>
58 
59 namespace content {
60 class WebContents;
61 }
62 
63 namespace gfx {
64 class Rect;
65 }
66 
67 namespace QtWebEngineCore {
68 
69 class WebContentsAdapterClient;
70 
71 class Q_WEBENGINECORE_PRIVATE_EXPORT FindTextHelper {
72 public:
73     FindTextHelper(content::WebContents *webContents, WebContentsAdapterClient *viewClient);
74     ~FindTextHelper();
75 
76     void startFinding(const QString &findText, bool caseSensitively, bool findBackward, const QWebEngineCallback<bool> resultCallback);
77     void startFinding(const QString &findText, bool caseSensitively, bool findBackward, const QJSValue &resultCallback);
78     void startFinding(const QString &findText, bool caseSensitively, bool findBackward);
79     void stopFinding();
80     bool isFindTextInProgress() const;
81     void handleFindReply(content::WebContents *source, int requestId, int numberOfMatches, const gfx::Rect &selectionRect, int activeMatch, bool finalUpdate);
82     void handleLoadCommitted();
83 
84 private:
85     void invokeResultCallback(int requestId, int numberOfMatches);
86 
87     content::WebContents *m_webContents;
88     WebContentsAdapterClient *m_viewClient;
89 
90     static int m_findRequestIdCounter;
91     int m_currentFindRequestId;
92     int m_lastCompletedFindRequestId;
93 
94     QString m_previousFindText;
95 
96     QMap<int, QJSValue> m_quickCallbacks;
97     CallbackDirectory m_widgetCallbacks;
98 };
99 
100 } // namespace QtWebEngineCore
101 
102 #endif // FIND_TEXT_HELPER_H
103