widget/windows/winrt/MetroUtils.h@b8a032363ba2 (annotated)
widget/windows/winrt/MetroUtils.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #pragma once |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsDebug.h" |
| michael@0 | 9 | #include "nsThreadUtils.h" |
| michael@0 | 10 | #include "nsString.h" |
| michael@0 | 11 | #include "nsPoint.h" |
| michael@0 | 12 | #include "WinUtils.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include "mozwrlbase.h" |
| michael@0 | 15 | |
| michael@0 | 16 | #include <stdio.h> |
| michael@0 | 17 | #include <windows.foundation.h> |
| michael@0 | 18 | #include <windows.ui.viewmanagement.h> |
| michael@0 | 19 | |
| michael@0 | 20 | // HRESULT checkers, these warn on failure in debug builds |
| michael@0 | 21 | #ifdef DEBUG |
| michael@0 | 22 | #define DebugLogHR(hr) LogHRESULT(hr) |
| michael@0 | 23 | #else |
| michael@0 | 24 | #define DebugLogHR(hr) |
| michael@0 | 25 | #endif |
| michael@0 | 26 | #define AssertHRESULT(hr) \ |
| michael@0 | 27 | if (FAILED(hr)) { \ |
| michael@0 | 28 | DebugLogHR(hr); \ |
| michael@0 | 29 | return; \ |
| michael@0 | 30 | } |
| michael@0 | 31 | #define AssertRetHRESULT(hr, res) \ |
| michael@0 | 32 | if (FAILED(hr)) { \ |
| michael@0 | 33 | DebugLogHR(hr); \ |
| michael@0 | 34 | return res; \ |
| michael@0 | 35 | } |
| michael@0 | 36 | |
| michael@0 | 37 | // MS Point helpers |
| michael@0 | 38 | #define POINT_CEIL_X(position) (uint32_t)ceil(position.X) |
| michael@0 | 39 | #define POINT_CEIL_Y(position) (uint32_t)ceil(position.Y) |
| michael@0 | 40 | |
| michael@0 | 41 | class nsIBrowserDOMWindow; |
| michael@0 | 42 | class nsIDOMWindow; |
| michael@0 | 43 | struct nsIntRect; |
| michael@0 | 44 | |
| michael@0 | 45 | namespace mozilla { |
| michael@0 | 46 | namespace widget { |
| michael@0 | 47 | namespace winrt { |
| michael@0 | 48 | |
| michael@0 | 49 | template<unsigned int size, typename T> |
| michael@0 | 50 | HRESULT ActivateGenericInstance(wchar_t const (&RuntimeClassName)[size], Microsoft::WRL::ComPtr<T>& aOutObject) { |
| michael@0 | 51 | Microsoft::WRL::ComPtr<IActivationFactory> factory; |
| michael@0 | 52 | HRESULT hr = ABI::Windows::Foundation::GetActivationFactory(Microsoft::WRL::Wrappers::HStringReference(RuntimeClassName).Get(), |
| michael@0 | 53 | factory.GetAddressOf()); |
| michael@0 | 54 | if (FAILED(hr)) |
| michael@0 | 55 | return hr; |
| michael@0 | 56 | Microsoft::WRL::ComPtr<IInspectable> inspect; |
| michael@0 | 57 | hr = factory->ActivateInstance(inspect.GetAddressOf()); |
| michael@0 | 58 | if (FAILED(hr)) |
| michael@0 | 59 | return hr; |
| michael@0 | 60 | return inspect.As(&aOutObject); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | } } } |
| michael@0 | 64 | |
| michael@0 | 65 | class MetroUtils |
| michael@0 | 66 | { |
| michael@0 | 67 | typedef ABI::Windows::Foundation::IUriRuntimeClass IUriRuntimeClass; |
| michael@0 | 68 | typedef Microsoft::WRL::Wrappers::HString HString; |
| michael@0 | 69 | typedef ABI::Windows::UI::ViewManagement::ApplicationViewState ApplicationViewState; |
| michael@0 | 70 | typedef ABI::Windows::Foundation::Point Point; |
| michael@0 | 71 | typedef ABI::Windows::Foundation::Rect Rect; |
| michael@0 | 72 | |
| michael@0 | 73 | public: |
| michael@0 | 74 | // Functions to convert between logical pixels as used by most Windows APIs |
| michael@0 | 75 | // and physical (device) pixels. |
| michael@0 | 76 | static double LogToPhysFactor(); |
| michael@0 | 77 | static double PhysToLogFactor(); |
| michael@0 | 78 | static nsIntPoint LogToPhys(const Point& aPt); |
| michael@0 | 79 | static nsIntRect LogToPhys(const Rect& aRect); |
| michael@0 | 80 | static Point PhysToLog(const nsIntPoint& aPt); |
| michael@0 | 81 | |
| michael@0 | 82 | // Resolution scale factor |
| michael@0 | 83 | static double ScaleFactor(); |
| michael@0 | 84 | |
| michael@0 | 85 | static nsresult FireObserver(const char* aMessage, const char16_t* aData = nullptr); |
| michael@0 | 86 | |
| michael@0 | 87 | static HRESULT CreateUri(HSTRING aUriStr, Microsoft::WRL::ComPtr<IUriRuntimeClass>& aUriOut); |
| michael@0 | 88 | static HRESULT CreateUri(HString& aHString, Microsoft::WRL::ComPtr<IUriRuntimeClass>& aUriOut); |
| michael@0 | 89 | static HRESULT GetViewState(ApplicationViewState& aState); |
| michael@0 | 90 | static HRESULT TryUnsnap(bool* aResult = nullptr); |
| michael@0 | 91 | static HRESULT ShowSettingsFlyout(); |
| michael@0 | 92 | |
| michael@0 | 93 | private: |
| michael@0 | 94 | static nsresult GetBrowserDOMWindow(nsCOMPtr<nsIBrowserDOMWindow> &aBWin); |
| michael@0 | 95 | static nsresult GetMostRecentWindow(const char16_t* aType, nsIDOMWindow** aWindow); |
| michael@0 | 96 | }; |
