chrome/browser/ui/window_sizer/window_sizer_gtk.cc

   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 #include <gtk/gtk.h>
   8
   9 #include "base/logging.h"
  10 #include "chrome/browser/ui/browser.h"
  11 #include "chrome/browser/ui/browser_finder.h"
  12 #include "chrome/browser/ui/browser_window.h"
  13 #include "chrome/browser/ui/host_desktop.h"
  14 #include "ui/gfx/screen.h"
  15
  16 // Used to pad the default new window size.  On Windows, this is also used for
  17 // positioning new windows (each window is offset from the previous one).
  18 // Since we don't position windows, it's only used for the default new window
  19 // size.
  20 const int WindowSizer::kWindowTilePixels = 10;
  21
  22 // static
  23 gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size,
  24                                               chrome::HostDesktopType type) {
  25   gfx::Rect monitor_bounds = gfx::Screen::GetNativeScreen()->
  26       GetPrimaryDisplay().work_area();
  27   gfx::Point corner(monitor_bounds.x(), monitor_bounds.y());
  28
  29   if (Browser* browser = chrome::FindLastActiveWithHostDesktopType(type)) {
  30     GtkWindow* window =
  31         reinterpret_cast<GtkWindow*>(browser->window()->GetNativeWindow());
  32     int x = 0, y = 0;
  33     gtk_window_get_position(window, &x, &y);
  34     // Limit to not overflow the work area right and bottom edges.
  35     gfx::Point limit(
  36         std::min(x + kWindowTilePixels, monitor_bounds.right() - size.width()),
  37         std::min(y + kWindowTilePixels,
  38                  monitor_bounds.bottom() - size.height()));
  39     // Adjust corner to now overflow the work area left and top edges, so
  40     // that if a popup does not fit the title-bar is remains visible.
  41     corner = gfx::Point(
  42         std::max(corner.x(), limit.x()),
  43         std::max(corner.y(), limit.y()));
  44   }
  45   return corner;
  46 }