chrome/browser/chromeos/login/ui/lock_window_aura.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 "chrome/browser/chromeos/login/ui/lock_window_aura.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/shell_window_ids.h"
   9 #include "base/command_line.h"
  10 #include "ui/aura/window.h"
  11 #include "ui/aura/window_event_dispatcher.h"
  12
  13 namespace chromeos {
  14
  15 LockWindow* LockWindow::Create() {
  16   LockWindowAura* lock_window = new LockWindowAura();
  17   // Cancel existing touch events when screen is locked.
  18   ui::GestureRecognizer::Get()->CancelActiveTouchesExcept(nullptr);
  19   return lock_window;
  20 }
  21
  22 ////////////////////////////////////////////////////////////////////////////////
  23 // LockWindow implementation:
  24 void LockWindowAura::Grab() {
  25   // We already have grab from the lock screen container, just call the ready
  26   // callback immediately.
  27   if (observer_)
  28     observer_->OnLockWindowReady();
  29 }
  30
  31 views::Widget* LockWindowAura::GetWidget() {
  32   return this;
  33 }
  34
  35 ////////////////////////////////////////////////////////////////////////////////
  36 // views::WidgetDelegate implementation:
  37 views::View* LockWindowAura::GetInitiallyFocusedView() {
  38   return initially_focused_view_;
  39 }
  40
  41 const views::Widget* LockWindowAura::GetWidget() const {
  42   return this;
  43 }
  44
  45 ////////////////////////////////////////////////////////////////////////////////
  46 // LockWindowAura private:
  47 LockWindowAura::LockWindowAura() {
  48   Init();
  49 }
  50
  51 LockWindowAura::~LockWindowAura() {
  52 }
  53
  54 void LockWindowAura::Init() {
  55   views::Widget::InitParams params(
  56       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
  57   params.delegate = this;
  58   params.show_state = ui::SHOW_STATE_FULLSCREEN;
  59   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
  60   // TODO(oshima): move the lock screen harness to ash.
  61   params.parent =
  62       ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
  63                                ash::kShellWindowId_LockScreenContainer);
  64   views::Widget::Init(params);
  65   SetVisibilityAnimationTransition(views::Widget::ANIMATE_NONE);
  66 }
  67
  68 }  // namespace chromeos