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: #pragma once
michael@0: 
michael@0: #include "nsDebug.h"
michael@0: #include "nsThreadUtils.h"
michael@0: #include "nsString.h"
michael@0: #include "nsPoint.h"
michael@0: #include "WinUtils.h"
michael@0: 
michael@0: #include "mozwrlbase.h"
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include <windows.foundation.h>
michael@0: #include <windows.ui.viewmanagement.h>
michael@0: 
michael@0: // HRESULT checkers, these warn on failure in debug builds
michael@0: #ifdef DEBUG
michael@0: #define DebugLogHR(hr) LogHRESULT(hr)
michael@0: #else
michael@0: #define DebugLogHR(hr)
michael@0: #endif
michael@0: #define AssertHRESULT(hr)           \
michael@0:   if (FAILED(hr)) {                 \
michael@0:     DebugLogHR(hr);                 \
michael@0:     return;                         \
michael@0:   }
michael@0: #define AssertRetHRESULT(hr, res)   \
michael@0:   if (FAILED(hr)) {                 \
michael@0:     DebugLogHR(hr);                 \
michael@0:     return res;                     \
michael@0:   }
michael@0: 
michael@0: // MS Point helpers
michael@0: #define POINT_CEIL_X(position) (uint32_t)ceil(position.X)
michael@0: #define POINT_CEIL_Y(position) (uint32_t)ceil(position.Y)
michael@0: 
michael@0: class nsIBrowserDOMWindow;
michael@0: class nsIDOMWindow;
michael@0: struct nsIntRect;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace widget {
michael@0: namespace winrt {
michael@0: 
michael@0: template<unsigned int size, typename T>
michael@0: HRESULT ActivateGenericInstance(wchar_t const (&RuntimeClassName)[size], Microsoft::WRL::ComPtr<T>& aOutObject) {
michael@0:   Microsoft::WRL::ComPtr<IActivationFactory> factory;
michael@0:   HRESULT hr = ABI::Windows::Foundation::GetActivationFactory(Microsoft::WRL::Wrappers::HStringReference(RuntimeClassName).Get(),
michael@0:                                                               factory.GetAddressOf());
michael@0:   if (FAILED(hr))
michael@0:     return hr;
michael@0:   Microsoft::WRL::ComPtr<IInspectable> inspect;
michael@0:   hr = factory->ActivateInstance(inspect.GetAddressOf());
michael@0:   if (FAILED(hr))
michael@0:     return hr;
michael@0:   return inspect.As(&aOutObject);
michael@0: }
michael@0: 
michael@0: } } }
michael@0: 
michael@0: class MetroUtils
michael@0: {
michael@0:   typedef ABI::Windows::Foundation::IUriRuntimeClass IUriRuntimeClass;
michael@0:   typedef Microsoft::WRL::Wrappers::HString HString;
michael@0:   typedef ABI::Windows::UI::ViewManagement::ApplicationViewState ApplicationViewState;
michael@0:   typedef ABI::Windows::Foundation::Point Point;
michael@0:   typedef ABI::Windows::Foundation::Rect Rect;
michael@0: 
michael@0: public:
michael@0:   // Functions to convert between logical pixels as used by most Windows APIs
michael@0:   // and physical (device) pixels.
michael@0:   static double LogToPhysFactor();
michael@0:   static double PhysToLogFactor();
michael@0:   static nsIntPoint LogToPhys(const Point& aPt);
michael@0:   static nsIntRect LogToPhys(const Rect& aRect);
michael@0:   static Point PhysToLog(const nsIntPoint& aPt);
michael@0: 
michael@0:   // Resolution scale factor
michael@0:   static double ScaleFactor();
michael@0: 
michael@0:   static nsresult FireObserver(const char* aMessage, const char16_t* aData = nullptr);
michael@0: 
michael@0:   static HRESULT CreateUri(HSTRING aUriStr, Microsoft::WRL::ComPtr<IUriRuntimeClass>& aUriOut);
michael@0:   static HRESULT CreateUri(HString& aHString, Microsoft::WRL::ComPtr<IUriRuntimeClass>& aUriOut);
michael@0:   static HRESULT GetViewState(ApplicationViewState& aState);
michael@0:   static HRESULT TryUnsnap(bool* aResult = nullptr);
michael@0:   static HRESULT ShowSettingsFlyout();
michael@0: 
michael@0: private:
michael@0:   static nsresult GetBrowserDOMWindow(nsCOMPtr<nsIBrowserDOMWindow> &aBWin);
michael@0:   static nsresult GetMostRecentWindow(const char16_t* aType, nsIDOMWindow** aWindow);
michael@0: };