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-rw-r--r--widget/nsIDeviceContextSpec.h111
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diff --git a/widget/nsIDeviceContextSpec.h b/widget/nsIDeviceContextSpec.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsIDeviceContextSpec_h___
+#define nsIDeviceContextSpec_h___
+
+#include "gfxPoint.h"
+#include "nsISupports.h"
+#include "mozilla/StaticPrefs_print.h"
+#include "mozilla/gfx/Point.h"
+#include "mozilla/gfx/PrintPromise.h"
+#include "mozilla/MoveOnlyFunction.h"
+
+class nsIWidget;
+class nsIPrintSettings;
+
+namespace mozilla {
+namespace gfx {
+class DrawEventRecorder;
+class PrintTarget;
+} // namespace gfx
+} // namespace mozilla
+
+#define NS_IDEVICE_CONTEXT_SPEC_IID \
+ { \
+ 0xf407cfba, 0xbe28, 0x46c9, { \
+ 0x8a, 0xba, 0x04, 0x2d, 0xae, 0xbb, 0x4f, 0x23 \
+ } \
+ }
+
+class nsIDeviceContextSpec : public nsISupports {
+ public:
+ typedef mozilla::gfx::PrintTarget PrintTarget;
+ using IntSize = mozilla::gfx::IntSize;
+
+ NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDEVICE_CONTEXT_SPEC_IID)
+
+ /**
+ * Initialize the device context spec.
+ * @param aWidget A widget a dialog can be hosted in
+ * @param aPrintSettings Print settings for the print operation
+ * @param aIsPrintPreview True if creating Spec for PrintPreview
+ * @return NS_OK or a suitable error code.
+ */
+ NS_IMETHOD Init(nsIPrintSettings* aPrintSettings, bool aIsPrintPreview) = 0;
+
+ virtual already_AddRefed<PrintTarget> MakePrintTarget() = 0;
+
+ /**
+ * If required override to return a recorder to record the print.
+ *
+ * @param aDrawEventRecorder out param for the recorder to use
+ * @return NS_OK or a suitable error code
+ */
+ NS_IMETHOD GetDrawEventRecorder(
+ mozilla::gfx::DrawEventRecorder** aDrawEventRecorder) {
+ MOZ_ASSERT(aDrawEventRecorder);
+ *aDrawEventRecorder = nullptr;
+ return NS_OK;
+ }
+
+ /**
+ * @return DPI for printing.
+ */
+ float GetDPI() { return mozilla::StaticPrefs::print_default_dpi(); }
+
+ /**
+ * @return the printing scale to be applied to the context for printing.
+ */
+ float GetPrintingScale();
+
+ /**
+ * @return the point to translate the context to for printing.
+ */
+ gfxPoint GetPrintingTranslate();
+
+ NS_IMETHOD BeginDocument(const nsAString& aTitle,
+ const nsAString& aPrintToFileName,
+ int32_t aStartPage, int32_t aEndPage) = 0;
+
+ virtual RefPtr<mozilla::gfx::PrintEndDocumentPromise> EndDocument() = 0;
+ /**
+ * Note: not all print devices implement mixed page sizing. Internally,
+ * aSizeInPoints gets handed off to a PrintTarget, and most PrintTarget
+ * subclasses will ignore `aSizeInPoints`.
+ */
+ NS_IMETHOD BeginPage(const IntSize& aSizeInPoints) = 0;
+ NS_IMETHOD EndPage() = 0;
+
+ protected:
+ using AsyncEndDocumentFunction = mozilla::MoveOnlyFunction<nsresult()>;
+ static RefPtr<mozilla::gfx::PrintEndDocumentPromise> EndDocumentAsync(
+ const char* aCallSite, AsyncEndDocumentFunction aFunction);
+
+ static RefPtr<mozilla::gfx::PrintEndDocumentPromise>
+ EndDocumentPromiseFromResult(nsresult aResult, const char* aSite);
+
+ nsCOMPtr<nsIPrintSettings> mPrintSettings;
+
+#ifdef MOZ_ENABLE_SKIA_PDF
+ // This variable is independant of nsIPrintSettings::kOutputFormatPDF (i.e.
+ // save-to-PDF). If set to true, then even when we print to a printer we
+ // output and send it PDF.
+ bool mPrintViaSkPDF = false;
+#endif
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIDeviceContextSpec, NS_IDEVICE_CONTEXT_SPEC_IID)
+#endif