// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // IPC messages for printing. // Multiply-included message file, hence no include guard. #include #include #include "base/memory/shared_memory.h" #include "base/values.h" #include "ipc/ipc_message_macros.h" #include "printing/page_size_margins.h" #include "printing/print_job_constants.h" #include "third_party/WebKit/public/web/WebPrintScalingOption.h" #include "ui/gfx/native_widget_types.h" #include "ui/gfx/rect.h" #ifndef CHROME_COMMON_PRINT_MESSAGES_H_ #define CHROME_COMMON_PRINT_MESSAGES_H_ struct PrintMsg_Print_Params { PrintMsg_Print_Params(); ~PrintMsg_Print_Params(); // Resets the members of the struct to 0. void Reset(); gfx::Size page_size; gfx::Size content_size; gfx::Rect printable_area; int margin_top; int margin_left; double dpi; double min_shrink; double max_shrink; int desired_dpi; int document_cookie; bool selection_only; bool supports_alpha_blend; blink::WebPrintScalingOption print_scaling_option; bool print_to_pdf; base::string16 title; base::string16 url; bool should_print_backgrounds; }; struct PrintMsg_PrintPages_Params { PrintMsg_PrintPages_Params(); ~PrintMsg_PrintPages_Params(); // Resets the members of the struct to 0. void Reset(); PrintMsg_Print_Params params; std::vector pages; }; #endif // CHROME_COMMON_PRINT_MESSAGES_H_ #define IPC_MESSAGE_START PrintMsgStart IPC_ENUM_TRAITS_MAX_VALUE(printing::MarginType, printing::MARGIN_TYPE_LAST) IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPrintScalingOption, blink::WebPrintScalingOptionLast) // Parameters for a render request. IPC_STRUCT_TRAITS_BEGIN(PrintMsg_Print_Params) // Physical size of the page, including non-printable margins, // in pixels according to dpi. IPC_STRUCT_TRAITS_MEMBER(page_size) // In pixels according to dpi_x and dpi_y. IPC_STRUCT_TRAITS_MEMBER(content_size) // Physical printable area of the page in pixels according to dpi. IPC_STRUCT_TRAITS_MEMBER(printable_area) // The y-offset of the printable area, in pixels according to dpi. IPC_STRUCT_TRAITS_MEMBER(margin_top) // The x-offset of the printable area, in pixels according to dpi. IPC_STRUCT_TRAITS_MEMBER(margin_left) // Specifies dots per inch. IPC_STRUCT_TRAITS_MEMBER(dpi) // Minimum shrink factor. See PrintSettings::min_shrink for more information. IPC_STRUCT_TRAITS_MEMBER(min_shrink) // Maximum shrink factor. See PrintSettings::max_shrink for more information. IPC_STRUCT_TRAITS_MEMBER(max_shrink) // Desired apparent dpi on paper. IPC_STRUCT_TRAITS_MEMBER(desired_dpi) // Cookie for the document to ensure correctness. IPC_STRUCT_TRAITS_MEMBER(document_cookie) // Should only print currently selected text. IPC_STRUCT_TRAITS_MEMBER(selection_only) // Does the printer support alpha blending? IPC_STRUCT_TRAITS_MEMBER(supports_alpha_blend) // Specifies the page scaling option for preview printing. IPC_STRUCT_TRAITS_MEMBER(print_scaling_option) // True if print to pdf is requested. IPC_STRUCT_TRAITS_MEMBER(print_to_pdf) // Title string to be printed as header if requested by the user. IPC_STRUCT_TRAITS_MEMBER(title) // URL string to be printed as footer if requested by the user. IPC_STRUCT_TRAITS_MEMBER(url) // True if print backgrounds is requested by the user. IPC_STRUCT_TRAITS_MEMBER(should_print_backgrounds) IPC_STRUCT_TRAITS_END() IPC_STRUCT_BEGIN(PrintMsg_PrintPage_Params) // Parameters to render the page as a printed page. It must always be the same // value for all the document. IPC_STRUCT_MEMBER(PrintMsg_Print_Params, params) // The page number is the indicator of the square that should be rendered // according to the layout specified in PrintMsg_Print_Params. IPC_STRUCT_MEMBER(int, page_number) IPC_STRUCT_END() IPC_STRUCT_TRAITS_BEGIN(printing::PageSizeMargins) IPC_STRUCT_TRAITS_MEMBER(content_width) IPC_STRUCT_TRAITS_MEMBER(content_height) IPC_STRUCT_TRAITS_MEMBER(margin_left) IPC_STRUCT_TRAITS_MEMBER(margin_right) IPC_STRUCT_TRAITS_MEMBER(margin_top) IPC_STRUCT_TRAITS_MEMBER(margin_bottom) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(PrintMsg_PrintPages_Params) // Parameters to render the page as a printed page. It must always be the same // value for all the document. IPC_STRUCT_TRAITS_MEMBER(params) // If empty, this means a request to render all the printed pages. IPC_STRUCT_TRAITS_MEMBER(pages) IPC_STRUCT_TRAITS_END() // Parameters to describe a rendered page. IPC_STRUCT_BEGIN(PrintHostMsg_DidPrintPage_Params) // A shared memory handle to the EMF data. This data can be quite large so a // memory map needs to be used. IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle) // Size of the metafile data. IPC_STRUCT_MEMBER(uint32, data_size) // Cookie for the document to ensure correctness. IPC_STRUCT_MEMBER(int, document_cookie) // Page number. IPC_STRUCT_MEMBER(int, page_number) // Shrink factor used to render this page. IPC_STRUCT_MEMBER(double, actual_shrink) // The size of the page the page author specified. IPC_STRUCT_MEMBER(gfx::Size, page_size) // The printable area the page author specified. IPC_STRUCT_MEMBER(gfx::Rect, content_area) IPC_STRUCT_END() // Parameters for the IPC message ViewHostMsg_ScriptedPrint IPC_STRUCT_BEGIN(PrintHostMsg_ScriptedPrint_Params) IPC_STRUCT_MEMBER(int, cookie) IPC_STRUCT_MEMBER(int, expected_pages_count) IPC_STRUCT_MEMBER(bool, has_selection) IPC_STRUCT_MEMBER(printing::MarginType, margin_type) IPC_STRUCT_END() // Messages sent from the browser to the renderer. // Tells the render view to switch the CSS to print media type, renders every // requested pages and switch back the CSS to display media type. IPC_MESSAGE_ROUTED0(PrintMsg_PrintPages) // Tells the render view that printing is done so it can clean up. IPC_MESSAGE_ROUTED1(PrintMsg_PrintingDone, bool /* success */) // Messages sent from the renderer to the browser. #if defined(OS_WIN) // Duplicates a shared memory handle from the renderer to the browser. Then // the renderer can flush the handle. IPC_SYNC_MESSAGE_ROUTED1_1(PrintHostMsg_DuplicateSection, base::SharedMemoryHandle /* renderer handle */, base::SharedMemoryHandle /* browser handle */) #endif // Tells the browser that the renderer is done calculating the number of // rendered pages according to the specified settings. IPC_MESSAGE_ROUTED2(PrintHostMsg_DidGetPrintedPagesCount, int /* rendered document cookie */, int /* number of rendered pages */) // Sends the document cookie of the current printer query to the browser. IPC_MESSAGE_ROUTED1(PrintHostMsg_DidGetDocumentCookie, int /* rendered document cookie */) // Tells the browser that the print dialog has been shown. IPC_MESSAGE_ROUTED0(PrintHostMsg_DidShowPrintDialog) // Sends back to the browser the rendered "printed page" that was requested by // a ViewMsg_PrintPage message or from scripted printing. The memory handle in // this message is already valid in the browser process. IPC_MESSAGE_ROUTED1(PrintHostMsg_DidPrintPage, PrintHostMsg_DidPrintPage_Params /* page content */) // The renderer wants to know the default print settings. IPC_SYNC_MESSAGE_ROUTED0_1(PrintHostMsg_GetDefaultPrintSettings, PrintMsg_Print_Params /* default_settings */) // It's the renderer that controls the printing process when it is generated // by javascript. This step is about showing UI to the user to select the // final print settings. The output parameter is the same as // ViewMsg_PrintPages which is executed implicitly. IPC_SYNC_MESSAGE_ROUTED1_1(PrintHostMsg_ScriptedPrint, PrintHostMsg_ScriptedPrint_Params, PrintMsg_PrintPages_Params /* settings chosen by the user*/) // This is sent when there are invalid printer settings. IPC_MESSAGE_ROUTED0(PrintHostMsg_ShowInvalidPrinterSettingsError) // Tell the browser printing failed. IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintingFailed, int /* document cookie */)