зеркало из https://github.com/mozilla/gecko-dev.git
150 строки
4.1 KiB
C++
150 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/WidgetUtils.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/Services.h"
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#include "mozilla/Unused.h"
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#include "nsContentUtils.h"
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#include "nsIBidiKeyboard.h"
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#include "nsIStringBundle.h"
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#include "nsTArray.h"
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#ifdef XP_WIN
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# include "WinUtils.h"
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#endif
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#ifdef MOZ_WIDGET_GTK
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# include "mozilla/WidgetUtilsGtk.h"
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#endif
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namespace mozilla {
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gfx::Matrix ComputeTransformForRotation(const nsIntRect& aBounds,
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ScreenRotation aRotation) {
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gfx::Matrix transform;
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static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
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switch (aRotation) {
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case ROTATION_0:
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break;
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case ROTATION_90:
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transform.PreTranslate(aBounds.Width(), 0);
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transform.PreRotate(floatPi / 2);
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break;
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case ROTATION_180:
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transform.PreTranslate(aBounds.Width(), aBounds.Height());
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transform.PreRotate(floatPi);
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break;
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case ROTATION_270:
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transform.PreTranslate(0, aBounds.Height());
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transform.PreRotate(floatPi * 3 / 2);
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break;
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default:
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MOZ_CRASH("Unknown rotation");
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}
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return transform;
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}
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gfx::Matrix ComputeTransformForUnRotation(const nsIntRect& aBounds,
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ScreenRotation aRotation) {
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gfx::Matrix transform;
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static const gfx::Float floatPi = static_cast<gfx::Float>(M_PI);
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switch (aRotation) {
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case ROTATION_0:
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break;
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case ROTATION_90:
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transform.PreTranslate(0, aBounds.Height());
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transform.PreRotate(floatPi * 3 / 2);
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break;
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case ROTATION_180:
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transform.PreTranslate(aBounds.Width(), aBounds.Height());
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transform.PreRotate(floatPi);
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break;
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case ROTATION_270:
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transform.PreTranslate(aBounds.Width(), 0);
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transform.PreRotate(floatPi / 2);
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break;
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default:
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MOZ_CRASH("Unknown rotation");
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}
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return transform;
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}
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nsIntRect RotateRect(nsIntRect aRect, const nsIntRect& aBounds,
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ScreenRotation aRotation) {
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switch (aRotation) {
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case ROTATION_0:
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return aRect;
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case ROTATION_90:
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return nsIntRect(aRect.Y(), aBounds.Width() - aRect.XMost(),
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aRect.Height(), aRect.Width());
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case ROTATION_180:
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return nsIntRect(aBounds.Width() - aRect.XMost(),
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aBounds.Height() - aRect.YMost(), aRect.Width(),
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aRect.Height());
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case ROTATION_270:
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return nsIntRect(aBounds.Height() - aRect.YMost(), aRect.X(),
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aRect.Height(), aRect.Width());
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default:
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MOZ_CRASH("Unknown rotation");
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}
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}
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namespace widget {
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uint32_t WidgetUtils::IsTouchDeviceSupportPresent() {
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#ifdef XP_WIN
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return WinUtils::IsTouchDeviceSupportPresent();
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#elif defined(MOZ_WIDGET_GTK)
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return WidgetUtilsGTK::IsTouchDeviceSupportPresent();
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#else
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return 0;
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#endif
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}
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// static
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void WidgetUtils::SendBidiKeyboardInfoToContent() {
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nsCOMPtr<nsIBidiKeyboard> bidiKeyboard = nsContentUtils::GetBidiKeyboard();
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if (!bidiKeyboard) {
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return;
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}
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bool rtl;
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if (NS_FAILED(bidiKeyboard->IsLangRTL(&rtl))) {
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return;
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}
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bool bidiKeyboards = false;
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bidiKeyboard->GetHaveBidiKeyboards(&bidiKeyboards);
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nsTArray<dom::ContentParent*> children;
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dom::ContentParent::GetAll(children);
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for (uint32_t i = 0; i < children.Length(); i++) {
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Unused << children[i]->SendBidiKeyboardNotify(rtl, bidiKeyboards);
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}
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}
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// static
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void WidgetUtils::GetBrandShortName(nsAString& aBrandName) {
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aBrandName.Truncate();
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nsCOMPtr<nsIStringBundleService> bundleService =
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mozilla::services::GetStringBundleService();
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nsCOMPtr<nsIStringBundle> bundle;
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if (bundleService) {
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bundleService->CreateBundle("chrome://branding/locale/brand.properties",
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getter_AddRefs(bundle));
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}
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if (bundle) {
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bundle->GetStringFromName("brandShortName", aBrandName);
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}
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}
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} // namespace widget
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} // namespace mozilla
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