forked from mirrors/gecko-dev
		
	 fffb25b74f
			
		
	
	
		fffb25b74f
		
	
	
	
	
		
			
			This was done automatically replacing: s/mozilla::Move/std::move/ s/ Move(/ std::move(/ s/(Move(/(std::move(/ Removing the 'using mozilla::Move;' lines. And then with a few manual fixups, see the bug for the split series.. MozReview-Commit-ID: Jxze3adipUh
		
			
				
	
	
		
			97 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "ScreenHelperWin.h"
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| 
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| #include "mozilla/Logging.h"
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| #include "nsTArray.h"
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| #include "WinUtils.h"
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| 
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| static mozilla::LazyLogModule sScreenLog("WidgetScreen");
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| 
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| namespace mozilla {
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| namespace widget {
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| 
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| BOOL CALLBACK
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| CollectMonitors(HMONITOR aMon, HDC, LPRECT, LPARAM ioParam)
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| {
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|   auto screens = reinterpret_cast<nsTArray<RefPtr<Screen>>*>(ioParam);
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|   BOOL success = FALSE;
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|   MONITORINFOEX info;
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|   info.cbSize = sizeof(MONITORINFOEX);
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|   success = ::GetMonitorInfoW(aMon, &info);
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|   if (!success) {
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|     MOZ_LOG(sScreenLog, LogLevel::Error, ("GetMonitorInfoW failed"));
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|     return TRUE; // continue the enumeration
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|   }
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| 
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|   double scale = WinUtils::LogToPhysFactor(aMon);
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|   DesktopToLayoutDeviceScale contentsScaleFactor;
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|   if (WinUtils::IsPerMonitorDPIAware()) {
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|     contentsScaleFactor.scale = 1.0;
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|   } else {
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|     contentsScaleFactor.scale = scale;
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|   }
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|   CSSToLayoutDeviceScale defaultCssScaleFactor(scale);
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|   LayoutDeviceIntRect rect(info.rcMonitor.left, info.rcMonitor.top,
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|                            info.rcMonitor.right - info.rcMonitor.left,
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|                            info.rcMonitor.bottom - info.rcMonitor.top);
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|   LayoutDeviceIntRect availRect(info.rcWork.left, info.rcWork.top,
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|                                 info.rcWork.right - info.rcWork.left,
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|                                 info.rcWork.bottom - info.rcWork.top);
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| 
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|   HDC hDC = CreateDC(nullptr, info.szDevice, nullptr, nullptr);
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|   if (!hDC) {
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|     MOZ_LOG(sScreenLog, LogLevel::Error, ("CollectMonitors CreateDC failed"));
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|     return TRUE;
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|   }
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|   uint32_t pixelDepth = ::GetDeviceCaps(hDC, BITSPIXEL);
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|   DeleteDC(hDC);
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|   if (pixelDepth == 32) {
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|     // If a device uses 32 bits per pixel, it's still only using 8 bits
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|     // per color component, which is what our callers want to know.
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|     // (Some devices report 32 and some devices report 24.)
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|     pixelDepth = 24;
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|   }
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| 
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|   float dpi = WinUtils::MonitorDPI(aMon);
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|   MOZ_LOG(sScreenLog, LogLevel::Debug,
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|            ("New screen [%d %d %d %d (%d %d %d %d) %d %f %f %f]",
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|             rect.X(), rect.Y(), rect.Width(), rect.Height(),
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|             availRect.X(), availRect.Y(), availRect.Width(), availRect.Height(),
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|             pixelDepth, contentsScaleFactor.scale, defaultCssScaleFactor.scale,
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|             dpi));
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|   auto screen = new Screen(rect, availRect,
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|                            pixelDepth, pixelDepth,
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|                            contentsScaleFactor, defaultCssScaleFactor,
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|                            dpi);
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|   if (info.dwFlags & MONITORINFOF_PRIMARY) {
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|     // The primary monitor must be the first element of the screen list.
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|     screens->InsertElementAt(0, std::move(screen));
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|   } else {
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|     screens->AppendElement(std::move(screen));
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|   }
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|   return TRUE;
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| }
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| 
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| void
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| ScreenHelperWin::RefreshScreens()
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| {
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|   MOZ_LOG(sScreenLog, LogLevel::Debug, ("Refreshing screens"));
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| 
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|   AutoTArray<RefPtr<Screen>, 4> screens;
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|   BOOL result = ::EnumDisplayMonitors(nullptr, nullptr,
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|                                       (MONITORENUMPROC)CollectMonitors,
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|                                       (LPARAM)&screens);
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|   if (!result) {
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|     NS_WARNING("Unable to EnumDisplayMonitors");
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|   }
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|   ScreenManager& screenManager = ScreenManager::GetSingleton();
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|   screenManager.Refresh(std::move(screens));
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| }
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| 
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| } // namespace widget
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| } // namespace mozilla
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