1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/winrt/MetroUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,190 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "MetroUtils.h"
1.10 +#include <windows.h>
1.11 +#include "nsICommandLineRunner.h"
1.12 +#include "nsNetUtil.h"
1.13 +#include "nsIBrowserDOMWindow.h"
1.14 +#include "nsIWebNavigation.h"
1.15 +#include "nsIDocShellTreeItem.h"
1.16 +#include "nsIDOMWindow.h"
1.17 +#include "nsIDOMChromeWindow.h"
1.18 +#include "nsIWindowMediator.h"
1.19 +#include "nsIURI.h"
1.20 +#include "prlog.h"
1.21 +#include "nsIObserverService.h"
1.22 +#include "nsRect.h"
1.23 +
1.24 +#include <wrl/wrappers/corewrappers.h>
1.25 +#include <windows.ui.applicationsettings.h>
1.26 +#include <windows.graphics.display.h>
1.27 +#include "DisplayInfo_sdk81.h"
1.28 +
1.29 +using namespace ABI::Windows::UI::ApplicationSettings;
1.30 +
1.31 +using namespace mozilla;
1.32 +
1.33 +using namespace ABI::Windows::Foundation;
1.34 +using namespace Microsoft::WRL;
1.35 +using namespace Microsoft::WRL::Wrappers;
1.36 +using namespace ABI::Windows::UI::ViewManagement;
1.37 +using namespace ABI::Windows::Graphics::Display;
1.38 +
1.39 +// Conversion between logical and physical coordinates
1.40 +
1.41 +double
1.42 +MetroUtils::LogToPhysFactor()
1.43 +{
1.44 + ComPtr<IDisplayInformationStatics> dispInfoStatics;
1.45 + if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayInformation).Get(),
1.46 + dispInfoStatics.GetAddressOf()))) {
1.47 + ComPtr<IDisplayInformation> dispInfo;
1.48 + if (SUCCEEDED(dispInfoStatics->GetForCurrentView(&dispInfo))) {
1.49 + FLOAT dpi;
1.50 + if (SUCCEEDED(dispInfo->get_LogicalDpi(&dpi))) {
1.51 + return (double)dpi / 96.0f;
1.52 + }
1.53 + }
1.54 + }
1.55 +
1.56 + ComPtr<IDisplayPropertiesStatics> dispProps;
1.57 + if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
1.58 + dispProps.GetAddressOf()))) {
1.59 + FLOAT dpi;
1.60 + if (SUCCEEDED(dispProps->get_LogicalDpi(&dpi))) {
1.61 + return (double)dpi / 96.0f;
1.62 + }
1.63 + }
1.64 +
1.65 + return 1.0;
1.66 +}
1.67 +
1.68 +double
1.69 +MetroUtils::PhysToLogFactor()
1.70 +{
1.71 + return 1.0 / LogToPhysFactor();
1.72 +}
1.73 +
1.74 +double
1.75 +MetroUtils::ScaleFactor()
1.76 +{
1.77 + // Return the resolution scale factor reported by the metro environment.
1.78 + // XXX TODO: also consider the desktop resolution setting, as IE appears to do?
1.79 + ComPtr<IDisplayInformationStatics> dispInfoStatics;
1.80 + if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayInformation).Get(),
1.81 + dispInfoStatics.GetAddressOf()))) {
1.82 + ComPtr<IDisplayInformation> dispInfo;
1.83 + if (SUCCEEDED(dispInfoStatics->GetForCurrentView(&dispInfo))) {
1.84 + ResolutionScale scale;
1.85 + if (SUCCEEDED(dispInfo->get_ResolutionScale(&scale))) {
1.86 + return (double)scale / 100.0;
1.87 + }
1.88 + }
1.89 + }
1.90 +
1.91 + ComPtr<IDisplayPropertiesStatics> dispProps;
1.92 + if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
1.93 + dispProps.GetAddressOf()))) {
1.94 + ResolutionScale scale;
1.95 + if (SUCCEEDED(dispProps->get_ResolutionScale(&scale))) {
1.96 + return (double)scale / 100.0;
1.97 + }
1.98 + }
1.99 +
1.100 + return 1.0;
1.101 +}
1.102 +
1.103 +nsIntPoint
1.104 +MetroUtils::LogToPhys(const Point& aPt)
1.105 +{
1.106 + double factor = LogToPhysFactor();
1.107 + return nsIntPoint(int32_t(NS_round(aPt.X * factor)), int32_t(NS_round(aPt.Y * factor)));
1.108 +}
1.109 +
1.110 +nsIntRect
1.111 +MetroUtils::LogToPhys(const Rect& aRect)
1.112 +{
1.113 + double factor = LogToPhysFactor();
1.114 + return nsIntRect(int32_t(NS_round(aRect.X * factor)),
1.115 + int32_t(NS_round(aRect.Y * factor)),
1.116 + int32_t(NS_round(aRect.Width * factor)),
1.117 + int32_t(NS_round(aRect.Height * factor)));
1.118 +}
1.119 +
1.120 +Point
1.121 +MetroUtils::PhysToLog(const nsIntPoint& aPt)
1.122 +{
1.123 + // Points contain FLOATs
1.124 + FLOAT factor = (FLOAT)PhysToLogFactor();
1.125 + Point p = { FLOAT(aPt.x) * factor, FLOAT(aPt.y) * factor };
1.126 + return p;
1.127 +}
1.128 +
1.129 +nsresult
1.130 +MetroUtils::FireObserver(const char* aMessage, const char16_t* aData)
1.131 +{
1.132 + nsCOMPtr<nsIObserverService> observerService =
1.133 + mozilla::services::GetObserverService();
1.134 + if (observerService) {
1.135 + return observerService->NotifyObservers(nullptr, aMessage, aData);
1.136 + }
1.137 + return NS_ERROR_FAILURE;
1.138 +}
1.139 +
1.140 +HRESULT MetroUtils::CreateUri(HSTRING aUriStr, ComPtr<IUriRuntimeClass>& aUriOut)
1.141 +{
1.142 + HRESULT hr;
1.143 + ComPtr<IUriRuntimeClassFactory> uriFactory;
1.144 + hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_Foundation_Uri).Get(), &uriFactory);
1.145 + AssertRetHRESULT(hr, hr);
1.146 + ComPtr<IUriRuntimeClass> uri;
1.147 + return uriFactory->CreateUri(aUriStr, &aUriOut);
1.148 +}
1.149 +
1.150 +HRESULT MetroUtils::CreateUri(HString& aHString, ComPtr<IUriRuntimeClass>& aUriOut)
1.151 +{
1.152 + return MetroUtils::CreateUri(aHString.Get(), aUriOut);
1.153 +}
1.154 +
1.155 +HRESULT
1.156 +MetroUtils::GetViewState(ApplicationViewState& aState)
1.157 +{
1.158 + HRESULT hr;
1.159 + ComPtr<IApplicationViewStatics> appViewStatics;
1.160 + hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
1.161 + appViewStatics.GetAddressOf());
1.162 + AssertRetHRESULT(hr, hr);
1.163 + hr = appViewStatics->get_Value(&aState);
1.164 + return hr;
1.165 +}
1.166 +
1.167 +HRESULT
1.168 +MetroUtils::TryUnsnap(bool* aResult)
1.169 +{
1.170 + HRESULT hr;
1.171 + ComPtr<IApplicationViewStatics> appViewStatics;
1.172 + hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
1.173 + appViewStatics.GetAddressOf());
1.174 + AssertRetHRESULT(hr, hr);
1.175 + boolean success = false;
1.176 + hr = appViewStatics->TryUnsnap(&success);
1.177 + if (aResult)
1.178 + *aResult = success;
1.179 + return hr;
1.180 +}
1.181 +
1.182 +HRESULT
1.183 +MetroUtils::ShowSettingsFlyout()
1.184 +{
1.185 + ComPtr<ISettingsPaneStatics> settingsPaneStatics;
1.186 + HRESULT hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ApplicationSettings_SettingsPane).Get(),
1.187 + settingsPaneStatics.GetAddressOf());
1.188 + if (SUCCEEDED(hr)) {
1.189 + settingsPaneStatics->Show();
1.190 + }
1.191 +
1.192 + return hr;
1.193 +}
