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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,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/WidgetUtils.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/Unused.h"
#include "nsContentUtils.h"
#include "nsIBidiKeyboard.h"
#include "nsTArray.h"
#ifdef XP_WIN
#include "WinUtils.h"
#endif
#if MOZ_WIDGET_GTK == 3
#include "mozilla/WidgetUtilsGtk.h"
#endif
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.x - aRect.width,
aRect.height, aRect.width);
case ROTATION_180:
return nsIntRect(aBounds.width - aRect.x - aRect.width,
aBounds.height - aRect.y - aRect.height,
aRect.width, aRect.height);
case ROTATION_270:
return nsIntRect(aBounds.height - aRect.y - aRect.height,
aRect.x,
aRect.height, aRect.width);
default:
MOZ_CRASH("Unknown rotation");
}
}
namespace widget {
uint32_t
WidgetUtils::IsTouchDeviceSupportPresent()
{
#ifdef XP_WIN
return WinUtils::IsTouchDeviceSupportPresent();
#elif MOZ_WIDGET_GTK == 3
return WidgetUtilsGTK::IsTouchDeviceSupportPresent();
#else
return 0;
#endif
}
// 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);
}
}
} // namespace widget
} // namespace mozilla
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