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/* -*- 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,
#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) {
getter_AddRefs(bundle));
}
if (bundle) {
bundle->GetStringFromName("brandShortName", aBrandName);
}
}
} // namespace widget
} // namespace mozilla