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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/nsIDeviceContextSpec.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/nsIDeviceContextSpec.cpp')
-rw-r--r--widget/nsIDeviceContextSpec.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/widget/nsIDeviceContextSpec.cpp b/widget/nsIDeviceContextSpec.cpp
new file mode 100644
index 0000000000..5ab442415d
--- /dev/null
+++ b/widget/nsIDeviceContextSpec.cpp
@@ -0,0 +1,87 @@
+/* -*- 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/. */
+
+#include "nsIDeviceContextSpec.h"
+
+#include "gfxPoint.h"
+#include "mozilla/gfx/PrintPromise.h"
+#include "nsError.h"
+#include "nsIPrintSettings.h"
+
+#include "mozilla/Components.h"
+#include "mozilla/TaskQueue.h"
+
+using mozilla::MakeRefPtr;
+using mozilla::gfx::PrintEndDocumentPromise;
+
+// We have some platform specific code here rather than in the appropriate
+// nsIDeviceContextSpec subclass. We structure the code this way so that
+// nsIDeviceContextSpecProxy gets the correct behavior without us having to
+// instantiate a platform specific nsIDeviceContextSpec subclass in content
+// processes. That is necessary for sandboxing.
+
+float nsIDeviceContextSpec::GetPrintingScale() {
+#ifdef XP_WIN
+ if (mPrintSettings->GetOutputFormat() != nsIPrintSettings::kOutputFormatPDF
+# ifdef MOZ_ENABLE_SKIA_PDF
+ && !mPrintViaSkPDF
+# endif
+ ) {
+ // The print settings will have the resolution stored from the real device.
+ int32_t resolution;
+ mPrintSettings->GetResolution(&resolution);
+ return float(resolution) / GetDPI();
+ }
+#endif
+
+ return 72.0f / GetDPI();
+}
+
+gfxPoint nsIDeviceContextSpec::GetPrintingTranslate() {
+#ifdef XP_WIN
+ // The underlying surface on windows is the size of the printable region. When
+ // the region is smaller than the actual paper size the (0, 0) coordinate
+ // refers top-left of that unwritable region. To instead have (0, 0) become
+ // the top-left of the actual paper, translate it's coordinate system by the
+ // unprintable region's width.
+ double marginTop, marginLeft;
+ mPrintSettings->GetUnwriteableMarginTop(&marginTop);
+ mPrintSettings->GetUnwriteableMarginLeft(&marginLeft);
+ int32_t resolution;
+ mPrintSettings->GetResolution(&resolution);
+ return gfxPoint(-marginLeft * resolution, -marginTop * resolution);
+#else
+ return gfxPoint(0, 0);
+#endif
+}
+
+RefPtr<PrintEndDocumentPromise>
+nsIDeviceContextSpec::EndDocumentPromiseFromResult(nsresult aResult,
+ const char* aSite) {
+ return NS_SUCCEEDED(aResult)
+ ? PrintEndDocumentPromise::CreateAndResolve(true, aSite)
+ : PrintEndDocumentPromise::CreateAndReject(aResult, aSite);
+}
+
+RefPtr<PrintEndDocumentPromise> nsIDeviceContextSpec::EndDocumentAsync(
+ const char* aCallSite, AsyncEndDocumentFunction aFunction) {
+ auto promise =
+ MakeRefPtr<PrintEndDocumentPromise::Private>("PrintEndDocumentPromise");
+
+ NS_DispatchBackgroundTask(
+ NS_NewRunnableFunction(
+ "EndDocumentAsync",
+ [promise, function = std::move(aFunction)]() mutable {
+ const auto result = function();
+ if (NS_SUCCEEDED(result)) {
+ promise->Resolve(true, __func__);
+ } else {
+ promise->Reject(result, __func__);
+ }
+ }),
+ NS_DISPATCH_EVENT_MAY_BLOCK);
+
+ return promise;
+}