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Diffstat (limited to 'widget/WidgetUtils.cpp')
| -rw-r--r-- | widget/WidgetUtils.cpp | 134 |
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 |