// 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 <string>
#include <vector>
#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;
int32 preview_ui_id;
int preview_request_id;
bool is_first_request;
blink::WebPrintScalingOption print_scaling_option;
bool print_to_pdf;
bool display_header_footer;
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<int> pages;
};
struct PrintHostMsg_RequestPrintPreview_Params {
PrintHostMsg_RequestPrintPreview_Params();
~PrintHostMsg_RequestPrintPreview_Params();
bool is_modifiable;
bool webnode_only;
bool has_selection;
bool selection_only;
};
#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)
// *** Parameters below are used only for print preview. ***
// The print preview ui associated with this request.
IPC_STRUCT_TRAITS_MEMBER(preview_ui_id)
// The id of the preview request.
IPC_STRUCT_TRAITS_MEMBER(preview_request_id)
// True if this is the first preview request.
IPC_STRUCT_TRAITS_MEMBER(is_first_request)
// 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)
// Specifies if the header and footer should be rendered.
IPC_STRUCT_TRAITS_MEMBER(display_header_footer)
// 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(PrintHostMsg_RequestPrintPreview_Params)
IPC_STRUCT_TRAITS_MEMBER(is_modifiable)
IPC_STRUCT_TRAITS_MEMBER(webnode_only)
IPC_STRUCT_TRAITS_MEMBER(has_selection)
IPC_STRUCT_TRAITS_MEMBER(selection_only)
IPC_STRUCT_TRAITS_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 document.
IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewDocument_Params)
// A shared memory handle to metafile data.
IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle)
// Size of metafile data.
IPC_STRUCT_MEMBER(uint32, data_size)
// Cookie for the document to ensure correctness.
IPC_STRUCT_MEMBER(int, document_cookie)
// Store the expected pages count.
IPC_STRUCT_MEMBER(int, expected_pages_count)
// Whether the preview can be modified.
IPC_STRUCT_MEMBER(bool, modifiable)
// The id of the preview request.
IPC_STRUCT_MEMBER(int, preview_request_id)
IPC_STRUCT_END()
// Parameters to describe a rendered preview page.
IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewPage_Params)
// A shared memory handle to metafile data for a draft document of the page.
IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle)
// Size of metafile data.
IPC_STRUCT_MEMBER(uint32, data_size)
// |page_number| is zero-based and can be |printing::INVALID_PAGE_INDEX| if it
// is just a check.
IPC_STRUCT_MEMBER(int, page_number)
// The id of the preview request.
IPC_STRUCT_MEMBER(int, preview_request_id)
IPC_STRUCT_END()
// Parameters sent along with the page count.
IPC_STRUCT_BEGIN(PrintHostMsg_DidGetPreviewPageCount_Params)
// Cookie for the document to ensure correctness.
IPC_STRUCT_MEMBER(int, document_cookie)
// Total page count.
IPC_STRUCT_MEMBER(int, page_count)
// Indicates whether the previewed document is modifiable.
IPC_STRUCT_MEMBER(bool, is_modifiable)
// The id of the preview request.
IPC_STRUCT_MEMBER(int, preview_request_id)
// Indicates whether the existing preview data needs to be cleared or not.
IPC_STRUCT_MEMBER(bool, clear_preview_data)
IPC_STRUCT_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 initiate print preview for the entire document.
IPC_MESSAGE_ROUTED1(PrintMsg_InitiatePrintPreview, bool /* selection_only */)
// Tells the render frame to initiate printing or print preview for a particular
// node, depending on which mode the render frame is in.
IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
// Tells the renderer to print the print preview tab's PDF plugin without
// showing the print dialog. (This is the final step in the print preview
// workflow.)
IPC_MESSAGE_ROUTED1(PrintMsg_PrintForPrintPreview,
base::DictionaryValue /* settings */)
// 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 */)
// Tells the render view whether scripted printing is blocked or not.
IPC_MESSAGE_ROUTED1(PrintMsg_SetScriptedPrintingBlocked,
bool /* blocked */)
// Tells the render view to switch the CSS to print media type, renders every
// requested pages for print preview using the given |settings|. This gets
// called multiple times as the user updates settings.
IPC_MESSAGE_ROUTED1(PrintMsg_PrintPreview,
base::DictionaryValue /* settings */)
// Like PrintMsg_PrintPages, but using the print preview document's frame/node.
IPC_MESSAGE_ROUTED0(PrintMsg_PrintForSystemDialog)
// Tells a renderer to stop blocking script initiated printing.
IPC_MESSAGE_ROUTED0(PrintMsg_ResetScriptedPrintCount)
// 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
// Check if printing is enabled.
IPC_SYNC_MESSAGE_ROUTED0_1(PrintHostMsg_IsPrintingEnabled,
bool /* is_enabled */)
// 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 */)
// The renderer wants to update the current print settings with new
// |job_settings|.
IPC_SYNC_MESSAGE_ROUTED2_1(PrintHostMsg_UpdatePrintSettings,
int /* document_cookie */,
base::DictionaryValue /* job_settings */,
PrintMsg_PrintPages_Params /* current_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*/)
#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
// Asks the browser to create a temporary file for the renderer to fill
// in resulting NativeMetafile in printing.
IPC_SYNC_MESSAGE_CONTROL1_2(PrintHostMsg_AllocateTempFileForPrinting,
int /* render_view_id */,
base::FileDescriptor /* temp file fd */,
int /* fd in browser*/) // Used only by Chrome OS.
IPC_MESSAGE_CONTROL2(PrintHostMsg_TempFileForPrintingWritten,
int /* render_view_id */,
int /* fd in browser */) // Used only by Chrome OS.
#endif
// Asks the browser to do print preview.
IPC_MESSAGE_ROUTED1(PrintHostMsg_RequestPrintPreview,
PrintHostMsg_RequestPrintPreview_Params /* params */)
// Notify the browser the number of pages in the print preview document.
IPC_MESSAGE_ROUTED1(PrintHostMsg_DidGetPreviewPageCount,
PrintHostMsg_DidGetPreviewPageCount_Params /* params */)
// Notify the browser of the default page layout according to the currently
// selected printer and page size.
// |printable_area_in_points| Specifies the printable area in points.
// |has_custom_page_size_style| is true when the printing frame has a custom
// page size css otherwise false.
IPC_MESSAGE_ROUTED3(PrintHostMsg_DidGetDefaultPageLayout,
printing::PageSizeMargins /* page layout in points */,
gfx::Rect /* printable area in points */,
bool /* has custom page size style */)
// Notify the browser a print preview page has been rendered.
IPC_MESSAGE_ROUTED1(PrintHostMsg_DidPreviewPage,
PrintHostMsg_DidPreviewPage_Params /* params */)
// Asks the browser whether the print preview has been cancelled.
IPC_SYNC_MESSAGE_ROUTED2_1(PrintHostMsg_CheckForCancel,
int32 /* PrintPreviewUI ID */,
int /* request id */,
bool /* print preview cancelled */)
// Sends back to the browser the complete rendered document (non-draft mode,
// used for printing) that was requested by a PrintMsg_PrintPreview message.
// The memory handle in this message is already valid in the browser process.
IPC_MESSAGE_ROUTED1(PrintHostMsg_MetafileReadyForPrinting,
PrintHostMsg_DidPreviewDocument_Params /* params */)
// Tell the browser printing failed.
IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintingFailed,
int /* document cookie */)
// Tell the browser print preview failed.
IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewFailed,
int /* document cookie */)
// Tell the browser print preview was cancelled.
IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewCancelled,
int /* document cookie */)
// Tell the browser print preview found the selected printer has invalid
// settings (which typically caused by disconnected network printer or printer
// driver is bogus).
IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewInvalidPrinterSettings,
int /* document cookie */)
// Run a nested message loop in the renderer until print preview for
// window.print() finishes.
IPC_SYNC_MESSAGE_ROUTED0_0(PrintHostMsg_SetupScriptedPrintPreview)
// Tell the browser to show the print preview, when the document is sufficiently
// loaded such that the renderer can determine whether it is modifiable or not.
IPC_MESSAGE_ROUTED1(PrintHostMsg_ShowScriptedPrintPreview,
bool /* is_modifiable */)
// Notify the browser that the PDF in the initiator renderer has disabled print
// scaling option.
IPC_MESSAGE_ROUTED0(PrintHostMsg_PrintPreviewScalingDisabled)