1/*
2 * Copyright (C) 2012 Igalia S.L.
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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebPrintOperationGtk_h
27#define WebPrintOperationGtk_h
28
29#include "PrintInfo.h"
30#include <WebCore/RefPtrCairo.h>
31#include <wtf/PassRefPtr.h>
32#include <wtf/RefCounted.h>
33#include <wtf/gobject/GRefPtr.h>
34
35typedef struct _GtkPrintSettings GtkPrintSettings;
36typedef struct _GtkPageSetup GtkPageSetup;
37typedef struct _GtkPageRange GtkPageRange;
38
39namespace WebCore {
40class PrintContext;
41class ResourceError;
42class URL;
43};
44
45namespace WebKit {
46
47class WebPage;
48
49class WebPrintOperationGtk : public RefCounted<WebPrintOperationGtk> {
50public:
51    static PassRefPtr<WebPrintOperationGtk> create(WebPage*, const PrintInfo&);
52    virtual ~WebPrintOperationGtk();
53
54    WebCore::PrintContext* printContext() const { return m_printContext; }
55    GtkPrintSettings* printSettings() const { return m_printSettings.get(); }
56    GtkPageSetup* pageSetup() const { return m_pageSetup.get(); }
57    PrintInfo::PrintMode printMode() const { return m_printMode; }
58    void setNumberOfPagesToPrint(size_t numberOfPages) { m_numberOfPagesToPrint = numberOfPages; }
59    unsigned int pagesToPrint() const { return m_pagesToPrint; }
60    int pageCount() const;
61    bool currentPageIsFirstPageOfSheet() const;
62    bool currentPageIsLastPageOfSheet() const;
63    size_t pagePosition() const { return m_pagePosition; }
64    void setPagePosition(size_t position) { m_pagePosition = position; }
65    GtkPageRange* pageRanges() const { return m_pageRanges; }
66    size_t pageRangesCount() const { return m_pageRangesCount; }
67
68    unsigned int numberUp() const { return m_numberUp; }
69    unsigned int numberUpLayout() const { return m_numberUpLayout; }
70    unsigned int pageSet() const { return m_pageSet; }
71    bool reverse() const { return m_reverse; }
72    unsigned int copies() const { return m_copies; }
73    bool collateCopies() const { return m_collateCopies; }
74    double scale() const { return m_scale; }
75
76    void disconnectFromPage();
77
78    virtual void startPrint(WebCore::PrintContext*, uint64_t callbackID) = 0;
79
80protected:
81    WebPrintOperationGtk(WebPage*, const PrintInfo&);
82
83    virtual void startPage(cairo_t*) = 0;
84    virtual void endPage(cairo_t*) = 0;
85    virtual void endPrint() = 0;
86
87    static gboolean printPagesIdle(gpointer);
88    static void printPagesIdleDone(gpointer);
89
90    void print(cairo_surface_t*, double xDPI, double yDPI);
91    void renderPage(int pageNumber);
92    void rotatePageIfNeeded();
93    void getRowsAndColumnsOfPagesPerSheet(size_t& rows, size_t& columns);
94    void getPositionOfPageInSheet(size_t rows, size_t columns, int& x, int&y);
95    void prepareContextToDraw();
96    void printPagesDone();
97    void printDone(const WebCore::ResourceError&);
98    void sendPrintFinished(const WebCore::ResourceError&);
99    WebCore::URL frameURL() const;
100
101    WebPage* m_webPage;
102    GRefPtr<GtkPrintSettings> m_printSettings;
103    GRefPtr<GtkPageSetup> m_pageSetup;
104    PrintInfo::PrintMode m_printMode;
105    WebCore::PrintContext* m_printContext;
106    uint64_t m_callbackID;
107    RefPtr<cairo_t> m_cairoContext;
108    double m_xDPI;
109    double m_yDPI;
110
111    unsigned int m_printPagesIdleId;
112    size_t m_numberOfPagesToPrint;
113    unsigned int m_pagesToPrint;
114    size_t m_pagePosition;
115    GtkPageRange* m_pageRanges;
116    size_t m_pageRangesCount;
117    bool m_needsRotation;
118
119    // Manual capabilities.
120    unsigned int m_numberUp;
121    unsigned int m_numberUpLayout;
122    unsigned int m_pageSet;
123    bool m_reverse;
124    unsigned int m_copies;
125    bool m_collateCopies;
126    double m_scale;
127};
128
129}
130
131#endif // WebPrintOperationGtk_h
132