ui/views/widget/desktop_aura/desktop_screen_position_client.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 "ui/views/widget/desktop_aura/desktop_screen_position_client.h"
   6
   7 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
   8
   9 namespace views {
  10
  11 namespace {
  12
  13 // Returns true if bounds passed to window in SetBounds should be treated as
  14 // though they are in screen coordinates.
  15 bool PositionWindowInScreenCoordinates(aura::Window* window) {
  16   if (window->type() == ui::wm::WINDOW_TYPE_POPUP)
  17     return true;
  18
  19   Widget* widget = Widget::GetWidgetForNativeView(window);
  20   return widget && widget->is_top_level();
  21 }
  22
  23 }  // namespace
  24
  25 DesktopScreenPositionClient::DesktopScreenPositionClient(
  26     aura::Window* root_window)
  27     : wm::DefaultScreenPositionClient(), root_window_(root_window) {
  28   aura::client::SetScreenPositionClient(root_window_, this);
  29 }
  30
  31 DesktopScreenPositionClient::~DesktopScreenPositionClient() {
  32   aura::client::SetScreenPositionClient(root_window_, NULL);
  33 }
  34
  35 void DesktopScreenPositionClient::SetBounds(aura::Window* window,
  36                                             const gfx::Rect& bounds,
  37                                             const gfx::Display& display) {
  38   // TODO(jam): Use the 3rd parameter, |display|.
  39   aura::Window* root = window->GetRootWindow();
  40
  41   // This method assumes that |window| does not have an associated
  42   // DesktopNativeWidgetAura.
  43   internal::NativeWidgetPrivate* desktop_native_widget =
  44       DesktopNativeWidgetAura::ForWindow(root);
  45   DCHECK(!desktop_native_widget ||
  46          desktop_native_widget->GetNativeView() != window);
  47
  48   if (PositionWindowInScreenCoordinates(window)) {
  49     // The caller expects windows we consider "embedded" to be placed in the
  50     // screen coordinate system. So we need to offset the root window's
  51     // position (which is in screen coordinates) from these bounds.
  52
  53     gfx::Point origin = bounds.origin();
  54     aura::Window::ConvertPointToTarget(window->parent(), root, &origin);
  55
  56     gfx::Point host_origin = GetOriginInScreen(root);
  57     origin.Offset(-host_origin.x(), -host_origin.y());
  58     window->SetBounds(gfx::Rect(origin, bounds.size()));
  59     return;
  60   }
  61
  62   window->SetBounds(bounds);
  63 }
  64
  65 }  // namespace views