| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WebScreenInfoFactory.h" |
| |
| #import <AppKit/AppKit.h> |
| |
| #include "WebScreenInfo.h" |
| |
| @interface NSWindow (LionAPI) |
| - (CGFloat)backingScaleFactor; |
| @end |
| |
| @interface NSScreen (LionAPI) |
| - (CGFloat)backingScaleFactor; |
| @end |
| |
| namespace WebKit { |
| |
| static NSScreen* screenForWindow(NSWindow* window) |
| { |
| NSScreen* screen = [window screen]; // nil if the window is off-screen |
| if (screen) |
| return screen; |
| |
| NSArray* screens = [NSScreen screens]; |
| if ([screens count] > 0) |
| return [screens objectAtIndex:0]; // screen containing the menubar |
| |
| return nil; |
| } |
| |
| static WebRect convertRect(const NSRect& rect, NSWindow* destination) |
| { |
| CGRect userRect = NSRectToCGRect(rect); |
| userRect.origin.y = |
| NSMaxY([screenForWindow(destination) frame]) - NSMaxY(rect); // flip |
| return WebRect(userRect.origin.x, |
| userRect.origin.y, |
| userRect.size.width, |
| userRect.size.height); |
| } |
| |
| static float deviceScaleFactor(NSView* view) |
| { |
| NSWindow* window = [view window]; |
| if (window) |
| { |
| if ([window respondsToSelector:@selector(backingScaleFactor)]) |
| return [window backingScaleFactor]; |
| return [window userSpaceScaleFactor]; |
| } |
| |
| NSArray* screens = [NSScreen screens]; |
| if (![screens count]) |
| return 1; |
| |
| NSScreen* screen = [screens objectAtIndex:0]; |
| if ([screen respondsToSelector:@selector(backingScaleFactor)]) |
| return [screen backingScaleFactor]; |
| return [screen userSpaceScaleFactor]; |
| } |
| |
| WebScreenInfo WebScreenInfoFactory::screenInfo(NSView* view) |
| { |
| NSScreen* screen = [NSScreen deepestScreen]; |
| |
| WebScreenInfo results; |
| |
| results.deviceScaleFactor = static_cast<int>(deviceScaleFactor(view)); |
| results.depth = NSBitsPerPixelFromDepth([screen depth]); |
| results.depthPerComponent = NSBitsPerSampleFromDepth([screen depth]); |
| results.isMonochrome = |
| [[screen colorSpace] colorSpaceModel] == NSGrayColorSpaceModel; |
| results.rect = convertRect([screenForWindow([view window]) frame], [view window]); |
| results.availableRect = |
| convertRect([screenForWindow([view window]) visibleFrame], [view window]); |
| return results; |
| } |
| |
| } // namespace WebKit |