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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/ui/window_sizer/window_sizer.h"
      6 
      7 #import <Cocoa/Cocoa.h>
      8 
      9 #include "chrome/browser/ui/browser.h"
     10 #include "chrome/browser/ui/browser_finder.h"
     11 #include "chrome/browser/ui/browser_window.h"
     12 #include "chrome/browser/ui/host_desktop.h"
     13 
     14 // How much horizontal and vertical offset there is between newly
     15 // opened windows.
     16 const int WindowSizer::kWindowTilePixels = 22;
     17 
     18 // static
     19 gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size,
     20                                               chrome::HostDesktopType type) {
     21   NSRect work_area = [[NSScreen mainScreen] visibleFrame];
     22   NSRect main_area = [[[NSScreen screens] objectAtIndex:0] frame];
     23   NSPoint corner = NSMakePoint(NSMinX(work_area), NSMaxY(work_area));
     24 
     25   if (Browser* browser = chrome::FindLastActiveWithHostDesktopType(type)) {
     26     NSWindow* window = browser->window()->GetNativeWindow();
     27     NSRect window_frame = [window frame];
     28 
     29     // Limit to not overflow the work area right and bottom edges.
     30     NSPoint limit = NSMakePoint(
     31         std::min(NSMinX(window_frame) + kWindowTilePixels,
     32                  NSMaxX(work_area) - size.width()),
     33         std::max(NSMaxY(window_frame) - kWindowTilePixels,
     34                  NSMinY(work_area) + size.height()));
     35 
     36     // Adjust corner to now overflow the work area left and top edges, so
     37     // that if a popup does not fit the title-bar is remains visible.
     38     corner = NSMakePoint(std::max(corner.x, limit.x),
     39                          std::min(corner.y, limit.y));
     40   }
     41 
     42   return gfx::Point(corner.x, NSHeight(main_area) - corner.y);
     43 }
     44