// Unique ID sent along every preview request.
const char kPreviewRequestID[] = "requestID";
+// Unique ID of Print Preview initiator host.
+const char kPreviewInitiatorHostId[] = "previewInitiatorHostId";
+
+// Routing ID of Print Preview initiator.
+const char kPreviewInitiatorRoutingId[] = "previewInitiatorRoutingId";
+
// Unique ID to identify a print preview UI.
const char kPreviewUIID[] = "previewUIID";
// Key that specifies the requested media platform specific vendor id.
const char kSettingMediaSizeVendorId[] = "vendor_id";
+// Key that specifies whether the requested media is a default one.
+const char kSettingMediaSizeIsDefault[] = "is_default";
+
// Key that specifies the bottom margin of the page.
const char kSettingMarginBottom[] = "marginBottom";
// Whether to print selection only.
const char kSettingShouldPrintSelectionOnly[] = "shouldPrintSelectionOnly";
+// Whether to print selection only.
+const char kSettingShowSystemDialog[] = "showSystemDialog";
+
// Indices used to represent first preview page and complete preview document.
const int FIRST_PAGE_INDEX = 0;
const int COMPLETE_PREVIEW_DOCUMENT_INDEX = -1;