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