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()->TransferEventsTo(
  19       lock_window->GetNativeWindow(), NULL);
  20   return lock_window;
  21 }
  22
  23 ////////////////////////////////////////////////////////////////////////////////
  24 // LockWindow implementation:
  25 void LockWindowAura::Grab() {
  26   // We already have grab from the lock screen container, just call the ready
  27   // callback immediately.
  28   if (observer_)
  29     observer_->OnLockWindowReady();
  30 }
  31
  32 views::Widget* LockWindowAura::GetWidget() {
  33   return this;
  34 }
  35
  36 ////////////////////////////////////////////////////////////////////////////////
  37 // views::WidgetDelegate implementation:
  38 views::View* LockWindowAura::GetInitiallyFocusedView() {
  39   return initially_focused_view_;
  40 }
  41
  42 const views::Widget* LockWindowAura::GetWidget() const {
  43   return this;
  44 }
  45
  46 ////////////////////////////////////////////////////////////////////////////////
  47 // LockWindowAura private:
  48 LockWindowAura::LockWindowAura() {
  49   Init();
  50 }
  51
  52 LockWindowAura::~LockWindowAura() {
  53 }
  54
  55 void LockWindowAura::Init() {
  56   views::Widget::InitParams params(
  57       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
  58   params.delegate = this;
  59   params.show_state = ui::SHOW_STATE_FULLSCREEN;
  60   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
  61   // TODO(oshima): move the lock screen harness to ash.
  62   params.parent =
  63       ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
  64                                ash::kShellWindowId_LockScreenContainer);
  65   views::Widget::Init(params);
  66   SetVisibilityAnimationTransition(views::Widget::ANIMATE_NONE);
  67 }
  68
  69 }  // namespace chromeos