gecko/widget/windows/winrt/MetroUtils.cpp

242 lines
6.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef MOZ_LOGGING
// so we can get logging even in release builds
#define FORCE_PR_LOG 1
#endif
#include "MetroUtils.h"
#include <windows.h>
#include "nsICommandLineRunner.h"
#include "nsNetUtil.h"
#include "nsIBrowserDOMWindow.h"
#include "nsIWebNavigation.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDOMWindow.h"
#include "nsIDOMChromeWindow.h"
#include "nsIWindowMediator.h"
#include "nsIURI.h"
#include "prlog.h"
#include "nsIObserverService.h"
#include <wrl/wrappers/corewrappers.h>
#include <windows.ui.applicationsettings.h>
#include <windows.graphics.display.h>
using namespace ABI::Windows::UI::ApplicationSettings;
using namespace mozilla;
using namespace ABI::Windows::Foundation;
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::UI::ViewManagement;
using namespace ABI::Windows::Graphics::Display;
// File-scoped statics (unnamed namespace)
namespace {
#ifdef PR_LOGGING
PRLogModuleInfo* metroWidgetLog = PR_NewLogModule("MetroWidget");
#endif
FLOAT LogToPhysFactor() {
ComPtr<IDisplayPropertiesStatics> dispProps;
if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
dispProps.GetAddressOf()))) {
FLOAT dpi;
if (SUCCEEDED(dispProps->get_LogicalDpi(&dpi))) {
return dpi / 96.0f;
}
}
return 1.0f;
}
FLOAT PhysToLogFactor() {
ComPtr<IDisplayPropertiesStatics> dispProps;
if (SUCCEEDED(GetActivationFactory(HStringReference(RuntimeClass_Windows_Graphics_Display_DisplayProperties).Get(),
dispProps.GetAddressOf()))) {
FLOAT dpi;
if (SUCCEEDED(dispProps->get_LogicalDpi(&dpi))) {
return 96.0f / dpi;
}
}
return 1.0f;
}
};
void LogW(const wchar_t *fmt, ...)
{
va_list args = NULL;
if(!lstrlenW(fmt))
return;
va_start(args, fmt);
int buflen = _vscwprintf(fmt, args);
wchar_t* buffer = new wchar_t[buflen+1];
if (!buffer) {
va_end(args);
return;
}
vswprintf(buffer, buflen, fmt, args);
va_end(args);
// MSVC, including remote debug sessions
OutputDebugStringW(buffer);
OutputDebugStringW(L"\n");
int len = wcslen(buffer);
if (len) {
char* utf8 = new char[len+1];
memset(utf8, 0, sizeof(utf8));
if (WideCharToMultiByte(CP_ACP, 0, buffer,
-1, utf8, len+1, NULL,
NULL) > 0) {
// desktop console
printf("%s\n", utf8);
#ifdef PR_LOGGING
NS_ASSERTION(metroWidgetLog, "Called MetroUtils Log() but MetroWidget "
"log module doesn't exist!");
PR_LOG(metroWidgetLog, PR_LOG_ALWAYS, (utf8));
#endif
}
delete[] utf8;
}
delete[] buffer;
}
void Log(const char *fmt, ...)
{
va_list args = NULL;
if(!strlen(fmt))
return;
va_start(args, fmt);
int buflen = _vscprintf(fmt, args);
char* buffer = new char[buflen+1];
if (!buffer) {
va_end(args);
return;
}
vsprintf(buffer, fmt, args);
va_end(args);
// MSVC, including remote debug sessions
OutputDebugStringA(buffer);
OutputDebugStringW(L"\n");
// desktop console
printf("%s\n", buffer);
#ifdef PR_LOGGING
NS_ASSERTION(metroWidgetLog, "Called MetroUtils Log() but MetroWidget "
"log module doesn't exist!");
PR_LOG(metroWidgetLog, PR_LOG_ALWAYS, (buffer));
#endif
delete[] buffer;
}
// Conversion between logical and physical coordinates
int32_t
MetroUtils::LogToPhys(FLOAT aValue)
{
return int32_t(NS_round(aValue * LogToPhysFactor()));
}
nsIntPoint
MetroUtils::LogToPhys(const Point& aPt)
{
FLOAT factor = LogToPhysFactor();
return nsIntPoint(int32_t(NS_round(aPt.X * factor)), int32_t(NS_round(aPt.Y * factor)));
}
nsIntRect
MetroUtils::LogToPhys(const Rect& aRect)
{
FLOAT factor = LogToPhysFactor();
return nsIntRect(int32_t(NS_round(aRect.X * factor)),
int32_t(NS_round(aRect.Y * factor)),
int32_t(NS_round(aRect.Width * factor)),
int32_t(NS_round(aRect.Height * factor)));
}
FLOAT
MetroUtils::PhysToLog(int32_t aValue)
{
return FLOAT(aValue) * PhysToLogFactor();
}
Point
MetroUtils::PhysToLog(const nsIntPoint& aPt)
{
FLOAT factor = PhysToLogFactor();
Point p = { FLOAT(aPt.x) * factor, FLOAT(aPt.y) * factor };
return p;
}
nsresult
MetroUtils::FireObserver(const char* aMessage, const PRUnichar* aData)
{
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (observerService) {
return observerService->NotifyObservers(nullptr, aMessage, aData);
}
return NS_ERROR_FAILURE;
}
HRESULT MetroUtils::CreateUri(HSTRING aUriStr, ComPtr<IUriRuntimeClass>& aUriOut)
{
HRESULT hr;
ComPtr<IUriRuntimeClassFactory> uriFactory;
hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_Foundation_Uri).Get(), &uriFactory);
AssertRetHRESULT(hr, hr);
ComPtr<IUriRuntimeClass> uri;
return uriFactory->CreateUri(aUriStr, &aUriOut);
}
HRESULT MetroUtils::CreateUri(HString& aHString, ComPtr<IUriRuntimeClass>& aUriOut)
{
return MetroUtils::CreateUri(aHString.Get(), aUriOut);
}
HRESULT
MetroUtils::GetViewState(ApplicationViewState& aState)
{
HRESULT hr;
ComPtr<IApplicationViewStatics> appViewStatics;
hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
appViewStatics.GetAddressOf());
AssertRetHRESULT(hr, hr);
hr = appViewStatics->get_Value(&aState);
return hr;
}
HRESULT
MetroUtils::TryUnsnap(bool* aResult)
{
HRESULT hr;
ComPtr<IApplicationViewStatics> appViewStatics;
hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ViewManagement_ApplicationView).Get(),
appViewStatics.GetAddressOf());
AssertRetHRESULT(hr, hr);
boolean success = false;
hr = appViewStatics->TryUnsnap(&success);
if (aResult)
*aResult = success;
return hr;
}
HRESULT
MetroUtils::ShowSettingsFlyout()
{
ComPtr<ISettingsPaneStatics> settingsPaneStatics;
HRESULT hr = GetActivationFactory(HStringReference(RuntimeClass_Windows_UI_ApplicationSettings_SettingsPane).Get(),
settingsPaneStatics.GetAddressOf());
if (SUCCEEDED(hr)) {
settingsPaneStatics->Show();
}
return hr;
}