ash/host/ash_window_tree_host.cc

   1 // Copyright 2014 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 "ash/host/ash_window_tree_host.h"
   6
   7 #include "ui/aura/client/screen_position_client.h"
   8 #include "ui/aura/window_tree_host.h"
   9 #include "ui/events/event.h"
  10 #include "ui/gfx/geometry/rect.h"
  11
  12 namespace ash {
  13
  14 AshWindowTreeHost::AshWindowTreeHost() : input_method_handler_(nullptr) {
  15 }
  16
  17 void AshWindowTreeHost::TranslateLocatedEvent(ui::LocatedEvent* event) {
  18   if (event->IsTouchEvent())
  19     return;
  20
  21   aura::WindowTreeHost* wth = AsWindowTreeHost();
  22   aura::Window* root_window = wth->window();
  23   aura::client::ScreenPositionClient* screen_position_client =
  24       aura::client::GetScreenPositionClient(root_window);
  25   gfx::Rect local(wth->GetBounds().size());
  26   local.Inset(GetHostInsets());
  27
  28   if (screen_position_client && !local.Contains(event->location())) {
  29     gfx::Point location(event->location());
  30     // In order to get the correct point in screen coordinates
  31     // during passive grab, we first need to find on which host window
  32     // the mouse is on, and find out the screen coordinates on that
  33     // host window, then convert it back to this host window's coordinate.
  34     screen_position_client->ConvertHostPointToScreen(root_window, &location);
  35     screen_position_client->ConvertPointFromScreen(root_window, &location);
  36     wth->ConvertPointToHost(&location);
  37     event->set_location(location);
  38     event->set_root_location(location);
  39   }
  40 }
  41
  42 }  // namespace ash