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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef PRINTING_PRINT_SETTINGS_H_
      6 #define PRINTING_PRINT_SETTINGS_H_
      7 
      8 #include <string>
      9 
     10 #include "base/strings/string16.h"
     11 #include "printing/page_range.h"
     12 #include "printing/page_setup.h"
     13 #include "printing/print_job_constants.h"
     14 #include "printing/printing_export.h"
     15 #include "ui/gfx/rect.h"
     16 
     17 namespace printing {
     18 
     19 // Returns true if |color_mode| is color and not B&W.
     20 PRINTING_EXPORT bool IsColorModelSelected(int color_mode);
     21 
     22 #if defined(USE_CUPS)
     23 // Get the color model setting name and value for the |color_mode|.
     24 PRINTING_EXPORT void GetColorModelForMode(int color_mode,
     25                                           std::string* color_setting_name,
     26                                           std::string* color_value);
     27 #endif
     28 
     29 // OS-independent print settings.
     30 class PRINTING_EXPORT PrintSettings {
     31  public:
     32   // Media properties requested by the user. Default instance represents
     33   // default media selection.
     34   struct RequestedMedia {
     35     // Size of the media, in microns.
     36     gfx::Size size_microns;
     37     // Platform specific id to map it back to the particular media.
     38     std::string vendor_id;
     39 
     40     bool IsDefault() const {
     41       return size_microns.IsEmpty() && vendor_id.empty();
     42     }
     43   };
     44 
     45   PrintSettings();
     46   ~PrintSettings();
     47 
     48   // Reinitialize the settings to the default values.
     49   void Clear();
     50 
     51   void SetCustomMargins(const PageMargins& requested_margins_in_points);
     52   const PageMargins& requested_custom_margins_in_points() const {
     53     return requested_custom_margins_in_points_;
     54   }
     55   void set_margin_type(MarginType margin_type) { margin_type_ = margin_type; }
     56   MarginType margin_type() const { return margin_type_; }
     57 
     58   // Updates the orientation and flip the page if needed.
     59   void SetOrientation(bool landscape);
     60   bool landscape() const { return landscape_; }
     61 
     62   // Updates user requested media.
     63   void set_requested_media(const RequestedMedia& media) {
     64     requested_media_ = media;
     65   }
     66   // Media properties requested by the user. Translated into device media by the
     67   // platform specific layers.
     68   const RequestedMedia& requested_media() const {
     69     return requested_media_;
     70   }
     71 
     72   // Set printer printable area in in device units.
     73   // Some platforms already provide flipped area. Set |landscape_needs_flip|
     74   // to false on those platforms to avoid double flipping.
     75   void SetPrinterPrintableArea(const gfx::Size& physical_size_device_units,
     76                                const gfx::Rect& printable_area_device_units,
     77                                bool landscape_needs_flip);
     78   const PageSetup& page_setup_device_units() const {
     79     return page_setup_device_units_;
     80   }
     81 
     82   void set_device_name(const base::string16& device_name) {
     83     device_name_ = device_name;
     84   }
     85   const base::string16& device_name() const { return device_name_; }
     86 
     87   void set_dpi(int dpi) { dpi_ = dpi; }
     88   int dpi() const { return dpi_; }
     89 
     90   void set_supports_alpha_blend(bool supports_alpha_blend) {
     91     supports_alpha_blend_ = supports_alpha_blend;
     92   }
     93   bool supports_alpha_blend() const { return supports_alpha_blend_; }
     94 
     95   int device_units_per_inch() const {
     96 #if defined(OS_MACOSX)
     97     return 72;
     98 #else  // defined(OS_MACOSX)
     99     return dpi();
    100 #endif  // defined(OS_MACOSX)
    101   }
    102 
    103   void set_ranges(const PageRanges& ranges) { ranges_ = ranges; };
    104   const PageRanges& ranges() const { return ranges_; };
    105 
    106   void set_selection_only(bool selection_only) {
    107     selection_only_ = selection_only;
    108   }
    109   bool selection_only() const { return selection_only_; }
    110 
    111   void set_should_print_backgrounds(bool should_print_backgrounds) {
    112     should_print_backgrounds_ = should_print_backgrounds;
    113   }
    114   bool should_print_backgrounds() const { return should_print_backgrounds_; }
    115 
    116   void set_display_header_footer(bool display_header_footer) {
    117     display_header_footer_ = display_header_footer;
    118   }
    119   bool display_header_footer() const { return display_header_footer_; }
    120 
    121   void set_title(const base::string16& title) { title_ = title; }
    122   const base::string16& title() const { return title_; }
    123 
    124   void set_url(const base::string16& url) { url_ = url; }
    125   const base::string16& url() const { return url_; }
    126 
    127   void set_collate(bool collate) { collate_ = collate; }
    128   bool collate() const { return collate_; }
    129 
    130   void set_color(ColorModel color) { color_ = color; }
    131   ColorModel color() const { return color_; }
    132 
    133   void set_copies(int copies) { copies_ = copies; }
    134   int copies() const { return copies_; }
    135 
    136   void set_duplex_mode(DuplexMode duplex_mode) { duplex_mode_ = duplex_mode; }
    137   DuplexMode duplex_mode() const { return duplex_mode_; }
    138 
    139   int desired_dpi() const { return desired_dpi_; }
    140 
    141   double max_shrink() const { return max_shrink_; }
    142 
    143   double min_shrink() const { return min_shrink_; }
    144 
    145   // Cookie generator. It is used to initialize PrintedDocument with its
    146   // associated PrintSettings, to be sure that each generated PrintedPage is
    147   // correctly associated with its corresponding PrintedDocument.
    148   static int NewCookie();
    149 
    150  private:
    151   // Multi-page printing. Each PageRange describes a from-to page combination.
    152   // This permits printing selected pages only.
    153   PageRanges ranges_;
    154 
    155   // By imaging to a width a little wider than the available pixels, thin pages
    156   // will be scaled down a little, matching the way they print in IE and Camino.
    157   // This lets them use fewer sheets than they would otherwise, which is
    158   // presumably why other browsers do this. Wide pages will be scaled down more
    159   // than this.
    160   double min_shrink_;
    161 
    162   // This number determines how small we are willing to reduce the page content
    163   // in order to accommodate the widest line. If the page would have to be
    164   // reduced smaller to make the widest line fit, we just clip instead (this
    165   // behavior matches MacIE and Mozilla, at least)
    166   double max_shrink_;
    167 
    168   // Desired visible dots per inch rendering for output. Printing should be
    169   // scaled to ScreenDpi/dpix*desired_dpi.
    170   int desired_dpi_;
    171 
    172   // Indicates if the user only wants to print the current selection.
    173   bool selection_only_;
    174 
    175   // Indicates what kind of margins should be applied to the printable area.
    176   MarginType margin_type_;
    177 
    178   // Strings to be printed as headers and footers if requested by the user.
    179   base::string16 title_;
    180   base::string16 url_;
    181 
    182   // True if the user wants headers and footers to be displayed.
    183   bool display_header_footer_;
    184 
    185   // True if the user wants to print CSS backgrounds.
    186   bool should_print_backgrounds_;
    187 
    188   // True if the user wants to print with collate.
    189   bool collate_;
    190 
    191   // True if the user wants to print with collate.
    192   ColorModel color_;
    193 
    194   // Number of copies user wants to print.
    195   int copies_;
    196 
    197   // Duplex type user wants to use.
    198   DuplexMode duplex_mode_;
    199 
    200   // Printer device name as opened by the OS.
    201   base::string16 device_name_;
    202 
    203   // Media requested by the user.
    204   RequestedMedia requested_media_;
    205 
    206   // Page setup in device units.
    207   PageSetup page_setup_device_units_;
    208 
    209   // Printer's device effective dots per inch in both axis.
    210   int dpi_;
    211 
    212   // Is the orientation landscape or portrait.
    213   bool landscape_;
    214 
    215   // True if this printer supports AlphaBlend.
    216   bool supports_alpha_blend_;
    217 
    218   // If margin type is custom, this is what was requested.
    219   PageMargins requested_custom_margins_in_points_;
    220 };
    221 
    222 }  // namespace printing
    223 
    224 #endif  // PRINTING_PRINT_SETTINGS_H_
    225