forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			134 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
	
		
			3.8 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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| 
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| #include "mozilla/WidgetUtils.h"
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| #include "mozilla/dom/ContentParent.h"
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| #include "mozilla/Components.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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| #include "prenv.h"
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| 
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| namespace mozilla {
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| namespace widget {
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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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| 
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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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| 
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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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| 
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| // static
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| void WidgetUtils::GetBrandShortName(nsAString& aBrandName) {
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|   aBrandName.Truncate();
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| 
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|   nsCOMPtr<nsIStringBundleService> bundleService =
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|       mozilla::components::StringBundle::Service();
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| 
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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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| 
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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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| 
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| }  // namespace widget
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| }  // namespace mozilla
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