1 files changed, 42 insertions, 2 deletions

diff --git a/chromium/components/printing/common/print.mojom b/chromium/components/printing/common/print.mojom
index 408f5bc1e43..faccd2a6881 100644
--- a/chromium/components/printing/common/print.mojom
+++ b/chromium/components/printing/common/print.mojom
@@ -29,6 +29,32 @@ struct OptionsFromDocumentParams {
   DuplexMode duplex;
 };
 
+// Holds the printed content information.
+// The printed content is in shared memory, and passed as a region.
+// A map on out-of-process subframe contents is also included so the printed
+// content can be composited as needed.
+struct DidPrintContentParams {
+  // A shared memory region for the metafile data.
+  mojo_base.mojom.ReadOnlySharedMemoryRegion metafile_data_region;
+  // Content id to render frame proxy id mapping for out-of-process subframes.
+  map<uint32, int32> subframe_content_info;
+};
+
+// Parameters to describe the to-be-rendered preview document.
+struct DidStartPreviewParams {
+  // Total page count for the rendered preview. (Not the number of pages the
+  // user selected to print.)
+  int32 page_count;
+  // The list of 0-based page numbers that will be rendered.
+  array<int32> pages_to_render;
+  // number of pages per sheet and should be greater or equal to 1.
+  int32 pages_per_sheet;
+  // Physical size of the page, including non-printable margins.
+  gfx.mojom.Size page_size;
+  // Scaling % to fit to page
+  int32 fit_to_page_scaling;
+};
+
 // Interface implemented by a class that desires to render print documents for
 // Chrome print preview.
 interface PrintRenderer {
@@ -54,6 +80,18 @@ interface PrintPreviewUI {
   // ensure correctness and |request_id| is the id for the preview request.
   [EnableIf=enable_print_preview]
   PrintPreviewFailed(int32 document_cookie, int32 request_id);
+
+  // Tell the browser print preview was cancelled. |document_cookie| is the
+  // param to ensure correctness and |request_id| is the id for the preview
+  // request.
+  [EnableIf=enable_print_preview]
+  PrintPreviewCancelled(int32 document_cookie, int32 request_id);
+
+  // Tell the browser print preview found the selected printer has invalid
+  // settings (which typically caused by disconnected network printer or
+  // printer driver is bogus).
+  [EnableIf=enable_print_preview]
+  PrinterSettingsInvalid(int32 document_cookie, int32 request_id);
 };
 
 // Render process interface exposed to the browser to handle most of the
@@ -88,8 +126,10 @@ interface PrintRenderFrame {
   [EnableIf=enable_print_preview]
   OnPrintPreviewDialogClosed();
 
-  // Prints the content of an out-of-process subframe.
-  PrintFrameContent(PrintFrameContentParams params);
+  // Prints the content of an out-of-process subframe. Replies back to the
+  // browser the rendered subframe content that was requested.
+  PrintFrameContent(PrintFrameContentParams params)
+      => (int32 document_cookie, DidPrintContentParams params);
 
   // Tells the RenderFrame whether printing is enabled or not.
   SetPrintingEnabled(bool enabled);