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-rw-r--r--widget/WidgetUtils.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/widget/WidgetUtils.cpp b/widget/WidgetUtils.cpp
new file mode 100644
index 0000000000..3bafdd0a4d
--- /dev/null
+++ b/widget/WidgetUtils.cpp
@@ -0,0 +1,134 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 "mozilla/WidgetUtils.h"
+#include "mozilla/dom/ContentParent.h"
+#include "mozilla/Components.h"
+#include "mozilla/Unused.h"
+#include "nsContentUtils.h"
+#include "nsIBidiKeyboard.h"
+#include "nsIStringBundle.h"
+#include "nsTArray.h"
+#include "prenv.h"
+
+namespace mozilla {
+
+gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds,
+ ScreenRotation aRotation) {
+ gfx::Matrix transform;
+ static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
+
+ switch (aRotation) {
+ case ROTATION_0:
+ break;
+ case ROTATION_90:
+ transform.PreTranslate(aBounds.Width(), 0);
+ transform.PreRotate(floatPi / 2);
+ break;
+ case ROTATION_180:
+ transform.PreTranslate(aBounds.Width(), aBounds.Height());
+ transform.PreRotate(floatPi);
+ break;
+ case ROTATION_270:
+ transform.PreTranslate(0, aBounds.Height());
+ transform.PreRotate(floatPi * 3 / 2);
+ break;
+ default:
+ MOZ_CRASH("Unknown rotation");
+ }
+ return transform;
+}
+
+gfx::Matrix ComputeTransformForUnRotation(const nsIntRect& aBounds,
+ ScreenRotation aRotation) {
+ gfx::Matrix transform;
+ static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
+
+ switch (aRotation) {
+ case ROTATION_0:
+ break;
+ case ROTATION_90:
+ transform.PreTranslate(0, aBounds.Height());
+ transform.PreRotate(floatPi * 3 / 2);
+ break;
+ case ROTATION_180:
+ transform.PreTranslate(aBounds.Width(), aBounds.Height());
+ transform.PreRotate(floatPi);
+ break;
+ case ROTATION_270:
+ transform.PreTranslate(aBounds.Width(), 0);
+ transform.PreRotate(floatPi / 2);
+ break;
+ default:
+ MOZ_CRASH("Unknown rotation");
+ }
+ return transform;
+}
+
+nsIntRect RotateRect(nsIntRect aRect, const nsIntRect& aBounds,
+ ScreenRotation aRotation) {
+ switch (aRotation) {
+ case ROTATION_0:
+ return aRect;
+ case ROTATION_90:
+ return nsIntRect(aRect.Y(), aBounds.Width() - aRect.XMost(),
+ aRect.Height(), aRect.Width());
+ case ROTATION_180:
+ return nsIntRect(aBounds.Width() - aRect.XMost(),
+ aBounds.Height() - aRect.YMost(), aRect.Width(),
+ aRect.Height());
+ case ROTATION_270:
+ return nsIntRect(aBounds.Height() - aRect.YMost(), aRect.X(),
+ aRect.Height(), aRect.Width());
+ default:
+ MOZ_CRASH("Unknown rotation");
+ }
+}
+
+namespace widget {
+
+// static
+void WidgetUtils::SendBidiKeyboardInfoToContent() {
+ nsCOMPtr<nsIBidiKeyboard> bidiKeyboard = nsContentUtils::GetBidiKeyboard();
+ if (!bidiKeyboard) {
+ return;
+ }
+
+ bool rtl;
+ if (NS_FAILED(bidiKeyboard->IsLangRTL(&rtl))) {
+ return;
+ }
+ bool bidiKeyboards = false;
+ bidiKeyboard->GetHaveBidiKeyboards(&bidiKeyboards);
+
+ nsTArray<dom::ContentParent*> children;
+ dom::ContentParent::GetAll(children);
+ for (uint32_t i = 0; i < children.Length(); i++) {
+ Unused << children[i]->SendBidiKeyboardNotify(rtl, bidiKeyboards);
+ }
+}
+
+// static
+void WidgetUtils::GetBrandShortName(nsAString& aBrandName) {
+ aBrandName.Truncate();
+
+ nsCOMPtr<nsIStringBundleService> bundleService =
+ mozilla::components::StringBundle::Service();
+
+ nsCOMPtr<nsIStringBundle> bundle;
+ if (bundleService) {
+ bundleService->CreateBundle("chrome://branding/locale/brand.properties",
+ getter_AddRefs(bundle));
+ }
+
+ if (bundle) {
+ bundle->GetStringFromName("brandShortName", aBrandName);
+ }
+}
+
+} // namespace widget
+} // namespace mozilla