text: /*
   * Copyright (C) 2012 Igalia S.L.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef WebPrintOperationGtk_h
  #define WebPrintOperationGtk_h
  
  #include "CallbackID.h"
  #include "PrintInfo.h"
  #include <WebCore/RefPtrCairo.h>
  #include <wtf/RefCounted.h>
  #include <wtf/RefPtr.h>
  #include <wtf/glib/GRefPtr.h>
  
  typedef struct _GtkPrintSettings GtkPrintSettings;
  typedef struct _GtkPageSetup GtkPageSetup;
  typedef struct _GtkPageRange GtkPageRange;
  
  namespace WebCore {
  class PrintContext;
  class ResourceError;
  };
  
  namespace WebKit {
  
  class WebPage;
  
  class WebPrintOperationGtk : public RefCounted<WebPrintOperationGtk> {
  public:
      static RefPtr<WebPrintOperationGtk> create(WebPage*, const PrintInfo&);
      virtual ~WebPrintOperationGtk();
  
      WebCore::PrintContext* printContext() const { return m_printContext; }
      GtkPrintSettings* printSettings() const { return m_printSettings.get(); }
      GtkPageSetup* pageSetup() const { return m_pageSetup.get(); }
      PrintInfo::PrintMode printMode() const { return m_printMode; }
      void setNumberOfPagesToPrint(size_t numberOfPages) { m_numberOfPagesToPrint = numberOfPages; }
      unsigned int pagesToPrint() const { return m_pagesToPrint; }
      int pageCount() const;
      bool currentPageIsFirstPageOfSheet() const;
      bool currentPageIsLastPageOfSheet() const;
      size_t pagePosition() const { return m_pagePosition; }
      void setPagePosition(size_t position) { m_pagePosition = position; }
      GtkPageRange* pageRanges() const { return m_pageRanges; }
      size_t pageRangesCount() const { return m_pageRangesCount; }
  
      unsigned int numberUp() const { return m_numberUp; }
      unsigned int numberUpLayout() const { return m_numberUpLayout; }
      unsigned int pageSet() const { return m_pageSet; }
      bool reverse() const { return m_reverse; }
      unsigned int copies() const { return m_copies; }
      bool collateCopies() const { return m_collateCopies; }
      double scale() const { return m_scale; }
  
      void disconnectFromPage();
  
      virtual void startPrint(WebCore::PrintContext*, CallbackID) = 0;
  
  protected:
      WebPrintOperationGtk(WebPage*, const PrintInfo&);
  
      virtual void startPage(cairo_t*) = 0;
      virtual void endPage(cairo_t*) = 0;
      virtual void endPrint() = 0;
  
      static gboolean printPagesIdle(gpointer);
      static void printPagesIdleDone(gpointer);
  
      void print(cairo_surface_t*, double xDPI, double yDPI);
      void renderPage(int pageNumber);
      void rotatePageIfNeeded();
      void getRowsAndColumnsOfPagesPerSheet(size_t& rows, size_t& columns);
      void getPositionOfPageInSheet(size_t rows, size_t columns, int& x, int&y);
      void prepareContextToDraw();
      void printPagesDone();
      void printDone(const WebCore::ResourceError&);
      void sendPrintFinished(const WebCore::ResourceError&);
      URL frameURL() const;
  
      WebPage* m_webPage;
      GRefPtr<GtkPrintSettings> m_printSettings;
      GRefPtr<GtkPageSetup> m_pageSetup;
      PrintInfo::PrintMode m_printMode;
      WebCore::PrintContext* m_printContext;
      CallbackID m_callbackID;
      RefPtr<cairo_t> m_cairoContext;
      double m_xDPI;
      double m_yDPI;
  
      unsigned int m_printPagesIdleId;
      size_t m_numberOfPagesToPrint;
      unsigned int m_pagesToPrint;
      size_t m_pagePosition;
      GtkPageRange* m_pageRanges;
      size_t m_pageRangesCount;
      bool m_needsRotation;
  
      // Manual capabilities.
      unsigned int m_numberUp;
      unsigned int m_numberUpLayout;
      unsigned int m_pageSet;
      bool m_reverse;
      unsigned int m_copies;
      bool m_collateCopies;
      double m_scale;
  };
  
  }
  
  #endif // WebPrintOperationGtk_h
  