michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "MetroUtils.h"
michael@0: #include <windows.h>
michael@0: #include "nsICommandLineRunner.h"
michael@0: #include "nsNetUtil.h"
michael@0: #include "nsIBrowserDOMWindow.h"
michael@0: #include "nsIWebNavigation.h"
michael@0: #include "nsIDocShellTreeItem.h"
michael@0: #include "nsIDOMWindow.h"
michael@0: #include "nsIDOMChromeWindow.h"
michael@0: #include "nsIWindowMediator.h"
michael@0: #include "nsIURI.h"
michael@0: #include "prlog.h"
michael@0: #include "nsIObserverService.h"
michael@0: #include "nsRect.h"
michael@0: 
michael@0: #include <wrl/wrappers/corewrappers.h>
michael@0: #include <windows.ui.applicationsettings.h>
michael@0: #include <windows.graphics.display.h>
michael@0: #include "DisplayInfo_sdk81.h"
michael@0: 
michael@0: using namespace ABI::Windows::UI::ApplicationSettings;
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: using namespace ABI::Windows::Foundation;
michael@0: using namespace Microsoft::WRL;
michael@0: using namespace Microsoft::WRL::Wrappers;
michael@0: using namespace ABI::Windows::UI::ViewManagement;
michael@0: using namespace ABI::Windows::Graphics::Display;
michael@0: 
michael@0: // Conversion between logical and physical coordinates
michael@0: 
michael@0: double
michael@0: MetroUtils::LogToPhysFactor()
michael@0: {
michael@0:   ComPtr<IDisplayInformationStatics> dispInfoStatics;
michael@0:   if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayInformation).Get(),
michael@0:                                       dispInfoStatics.GetAddressOf()))) {
michael@0:     ComPtr<IDisplayInformation> dispInfo;
michael@0:     if (SUCCEEDED(dispInfoStatics->GetForCurrentView(&dispInfo))) {
michael@0:       FLOAT dpi;
michael@0:       if (SUCCEEDED(dispInfo->get_LogicalDpi(&dpi))) {
michael@0:         return (double)dpi / 96.0f;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   ComPtr<IDisplayPropertiesStatics> dispProps;
michael@0:   if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
michael@0:                                       dispProps.GetAddressOf()))) {
michael@0:     FLOAT dpi;
michael@0:     if (SUCCEEDED(dispProps->get_LogicalDpi(&dpi))) {
michael@0:       return (double)dpi / 96.0f;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return 1.0;
michael@0: }
michael@0: 
michael@0: double
michael@0: MetroUtils::PhysToLogFactor()
michael@0: {
michael@0:   return 1.0 / LogToPhysFactor();
michael@0: }
michael@0: 
michael@0: double
michael@0: MetroUtils::ScaleFactor()
michael@0: {
michael@0:   // Return the resolution scale factor reported by the metro environment.
michael@0:   // XXX TODO: also consider the desktop resolution setting, as IE appears to do?
michael@0:   ComPtr<IDisplayInformationStatics> dispInfoStatics;
michael@0:   if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayInformation).Get(),
michael@0:                                       dispInfoStatics.GetAddressOf()))) {
michael@0:     ComPtr<IDisplayInformation> dispInfo;
michael@0:     if (SUCCEEDED(dispInfoStatics->GetForCurrentView(&dispInfo))) {
michael@0:       ResolutionScale scale;
michael@0:       if (SUCCEEDED(dispInfo->get_ResolutionScale(&scale))) {
michael@0:         return (double)scale / 100.0;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   ComPtr<IDisplayPropertiesStatics> dispProps;
michael@0:   if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
michael@0:                                      dispProps.GetAddressOf()))) {
michael@0:     ResolutionScale scale;
michael@0:     if (SUCCEEDED(dispProps->get_ResolutionScale(&scale))) {
michael@0:       return (double)scale / 100.0;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return 1.0;
michael@0: }
michael@0: 
michael@0: nsIntPoint
michael@0: MetroUtils::LogToPhys(const Point& aPt)
michael@0: {
michael@0:   double factor = LogToPhysFactor();
michael@0:   return nsIntPoint(int32_t(NS_round(aPt.X * factor)), int32_t(NS_round(aPt.Y * factor)));
michael@0: }
michael@0: 
michael@0: nsIntRect
michael@0: MetroUtils::LogToPhys(const Rect& aRect)
michael@0: {
michael@0:   double factor = LogToPhysFactor();
michael@0:   return nsIntRect(int32_t(NS_round(aRect.X * factor)),
michael@0:                    int32_t(NS_round(aRect.Y * factor)),
michael@0:                    int32_t(NS_round(aRect.Width * factor)),
michael@0:                    int32_t(NS_round(aRect.Height * factor)));
michael@0: }
michael@0: 
michael@0: Point
michael@0: MetroUtils::PhysToLog(const nsIntPoint& aPt)
michael@0: {
michael@0:   // Points contain FLOATs
michael@0:   FLOAT factor = (FLOAT)PhysToLogFactor();
michael@0:   Point p = { FLOAT(aPt.x) * factor, FLOAT(aPt.y) * factor };
michael@0:   return p;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: MetroUtils::FireObserver(const char* aMessage, const char16_t* aData)
michael@0: {
michael@0:   nsCOMPtr<nsIObserverService> observerService =
michael@0:     mozilla::services::GetObserverService();
michael@0:   if (observerService) {
michael@0:     return observerService->NotifyObservers(nullptr, aMessage, aData);
michael@0:   }
michael@0:   return NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: HRESULT MetroUtils::CreateUri(HSTRING aUriStr, ComPtr<IUriRuntimeClass>& aUriOut)
michael@0: {
michael@0:   HRESULT hr;
michael@0:   ComPtr<IUriRuntimeClassFactory> uriFactory;
michael@0:   hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_Foundation_Uri).Get(), &uriFactory);
michael@0:   AssertRetHRESULT(hr, hr);
michael@0:   ComPtr<IUriRuntimeClass> uri;
michael@0:   return uriFactory->CreateUri(aUriStr, &aUriOut);
michael@0: }
michael@0: 
michael@0: HRESULT MetroUtils::CreateUri(HString& aHString, ComPtr<IUriRuntimeClass>& aUriOut)
michael@0: {
michael@0:   return MetroUtils::CreateUri(aHString.Get(), aUriOut);
michael@0: }
michael@0: 
michael@0: HRESULT
michael@0: MetroUtils::GetViewState(ApplicationViewState& aState)
michael@0: {
michael@0:   HRESULT hr;
michael@0:   ComPtr<IApplicationViewStatics> appViewStatics;
michael@0:   hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
michael@0:     appViewStatics.GetAddressOf());
michael@0:   AssertRetHRESULT(hr, hr);
michael@0:   hr = appViewStatics->get_Value(&aState);
michael@0:   return hr;
michael@0: }
michael@0: 
michael@0: HRESULT
michael@0: MetroUtils::TryUnsnap(bool* aResult)
michael@0: {
michael@0:   HRESULT hr;
michael@0:   ComPtr<IApplicationViewStatics> appViewStatics;
michael@0:   hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
michael@0:     appViewStatics.GetAddressOf());
michael@0:   AssertRetHRESULT(hr, hr);
michael@0:   boolean success = false;
michael@0:   hr = appViewStatics->TryUnsnap(&success);
michael@0:   if (aResult)
michael@0:     *aResult = success;
michael@0:   return hr;
michael@0: }
michael@0: 
michael@0: HRESULT
michael@0: MetroUtils::ShowSettingsFlyout()
michael@0: {
michael@0:   ComPtr<ISettingsPaneStatics> settingsPaneStatics;
michael@0:   HRESULT hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ApplicationSettings_SettingsPane).Get(),
michael@0:                                     settingsPaneStatics.GetAddressOf());
michael@0:   if (SUCCEEDED(hr)) {
michael@0:     settingsPaneStatics->Show();
michael@0:   }
michael@0: 
michael@0:   return hr;
michael@0: }