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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /widget/nsPaper.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'widget/nsPaper.cpp')
-rw-r--r--widget/nsPaper.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/widget/nsPaper.cpp b/widget/nsPaper.cpp
new file mode 100644
index 0000000000..a940d3c1cb
--- /dev/null
+++ b/widget/nsPaper.cpp
@@ -0,0 +1,87 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#include "nsPaper.h"
+#include "nsPaperMargin.h"
+#include "nsPrinterBase.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/Promise.h"
+
+using mozilla::ErrorResult;
+using mozilla::PaperInfo;
+
+NS_IMPL_CYCLE_COLLECTION(nsPaper, mMarginPromise, mPrinter)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsPaper)
+ NS_INTERFACE_MAP_ENTRY(nsIPaper)
+ NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPaper)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(nsPaper)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(nsPaper)
+
+nsPaper::nsPaper(const mozilla::PaperInfo& aInfo)
+ : mPrinter(nullptr), mInfo(aInfo) {}
+
+nsPaper::nsPaper(nsPrinterBase& aPrinter, const mozilla::PaperInfo& aInfo)
+ : mPrinter(&aPrinter), mInfo(aInfo) {}
+
+nsPaper::~nsPaper() = default;
+
+NS_IMETHODIMP
+nsPaper::GetId(nsAString& aId) {
+ aId = mInfo.mId;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPaper::GetName(nsAString& aName) {
+ aName = mInfo.mName.IsEmpty() ? mInfo.mId : mInfo.mName;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPaper::GetWidth(double* aWidth) {
+ NS_ENSURE_ARG_POINTER(aWidth);
+ *aWidth = mInfo.mSize.Width();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPaper::GetHeight(double* aHeight) {
+ NS_ENSURE_ARG_POINTER(aHeight);
+ *aHeight = mInfo.mSize.Height();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsPaper::GetUnwriteableMargin(JSContext* aCx, Promise** aPromise) {
+ if (RefPtr<Promise> existing = mMarginPromise) {
+ existing.forget(aPromise);
+ return NS_OK;
+ }
+ ErrorResult rv;
+ RefPtr<Promise> promise = Promise::Create(xpc::CurrentNativeGlobal(aCx), rv);
+ if (MOZ_UNLIKELY(rv.Failed())) {
+ return rv.StealNSResult();
+ }
+
+ mMarginPromise = promise;
+
+ if (mInfo.mUnwriteableMargin) {
+ auto margin = mozilla::MakeRefPtr<nsPaperMargin>(*mInfo.mUnwriteableMargin);
+ mMarginPromise->MaybeResolve(margin);
+ } else {
+ if (mPrinter) {
+ mPrinter->QueryMarginsForPaper(*mMarginPromise, mInfo.mId);
+ } else {
+ MOZ_ASSERT_UNREACHABLE("common paper sizes should know their margins");
+ mMarginPromise->MaybeRejectWithNotSupportedError("Margins unavailable");
+ }
+ }
+
+ promise.forget(aPromise);
+ return NS_OK;
+}