src/ash/display/virtual_keyboard_window_controller.cc

   1 // Copyright 2013 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/display/virtual_keyboard_window_controller.h"
   6
   7 #include "ash/display/display_controller.h"
   8 #include "ash/display/display_info.h"
   9 #include "ash/display/display_manager.h"
  10 #include "ash/display/root_window_transformers.h"
  11 #include "ash/host/ash_window_tree_host.h"
  12 #include "ash/host/root_window_transformer.h"
  13 #include "ash/root_window_controller.h"
  14 #include "ash/root_window_settings.h"
  15 #include "ash/shell.h"
  16 #include "ash/shell_window_ids.h"
  17 #include "base/strings/stringprintf.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "ui/aura/env.h"
  20 #include "ui/aura/window_event_dispatcher.h"
  21 #include "ui/keyboard/keyboard_controller.h"
  22 #include "ui/keyboard/keyboard_util.h"
  23
  24 namespace ash {
  25
  26 VirtualKeyboardWindowController::VirtualKeyboardWindowController() {
  27   Shell::GetInstance()->AddShellObserver(this);
  28 }
  29
  30 VirtualKeyboardWindowController::~VirtualKeyboardWindowController() {
  31   Shell::GetInstance()->RemoveShellObserver(this);
  32   // Make sure the root window gets deleted before cursor_window_delegate.
  33   Close();
  34 }
  35
  36 void VirtualKeyboardWindowController::ActivateKeyboard(
  37     keyboard::KeyboardController* keyboard_controller) {
  38   root_window_controller_->ActivateKeyboard(keyboard_controller);
  39 }
  40
  41 void VirtualKeyboardWindowController::UpdateWindow(
  42     const DisplayInfo& display_info) {
  43   static int virtual_keyboard_host_count = 0;
  44   if (!root_window_controller_.get()) {
  45     const gfx::Rect& bounds_in_native = display_info.bounds_in_native();
  46     AshWindowTreeHost* ash_host = AshWindowTreeHost::Create(bounds_in_native);
  47     aura::WindowTreeHost* host = ash_host->AsWindowTreeHost();
  48
  49     host->window()->SetName(base::StringPrintf("VirtualKeyboardRootWindow-%d",
  50                                                virtual_keyboard_host_count++));
  51
  52     // No need to remove WindowTreeHostObserver because the DisplayController
  53     // outlives the host.
  54     host->AddObserver(Shell::GetInstance()->display_controller());
  55     InitRootWindowSettings(host->window())->display_id = display_info.id();
  56     host->InitHost();
  57     RootWindowController::CreateForVirtualKeyboardDisplay(ash_host);
  58     root_window_controller_.reset(GetRootWindowController(host->window()));
  59     root_window_controller_->GetHost()->Show();
  60     root_window_controller_->ActivateKeyboard(
  61         keyboard::KeyboardController::GetInstance());
  62     FlipDisplay();
  63   } else {
  64     aura::WindowTreeHost* host = root_window_controller_->GetHost();
  65     GetRootWindowSettings(host->window())->display_id = display_info.id();
  66     host->SetBounds(display_info.bounds_in_native());
  67   }
  68 }
  69
  70 void VirtualKeyboardWindowController::Close() {
  71   if (root_window_controller_.get()) {
  72     root_window_controller_->GetHost()->RemoveObserver(
  73         Shell::GetInstance()->display_controller());
  74     root_window_controller_->Shutdown();
  75     root_window_controller_.reset();
  76   }
  77 }
  78
  79 void VirtualKeyboardWindowController::FlipDisplay() {
  80   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
  81   if (!display_manager->virtual_keyboard_root_window_enabled()) {
  82     NOTREACHED() << "Attempting to flip virtual keyboard root window when it "
  83                  << "is not enabled.";
  84     return;
  85   }
  86   display_manager->SetDisplayRotation(
  87       display_manager->non_desktop_display().id(), gfx::Display::ROTATE_180);
  88
  89   aura::WindowTreeHost* host = root_window_controller_->GetHost();
  90   scoped_ptr<RootWindowTransformer> transformer(
  91       CreateRootWindowTransformerForDisplay(
  92           host->window(), display_manager->non_desktop_display()));
  93   root_window_controller_->ash_host()->SetRootWindowTransformer(
  94       transformer.Pass());
  95 }
  96
  97 void VirtualKeyboardWindowController::OnMaximizeModeStarted() {
  98   keyboard::SetTouchKeyboardEnabled(true);
  99   Shell::GetInstance()->CreateKeyboard();
 100 }
 101
 102 void VirtualKeyboardWindowController::OnMaximizeModeEnded() {
 103   keyboard::SetTouchKeyboardEnabled(false);
 104   if (!keyboard::IsKeyboardEnabled())
 105     Shell::GetInstance()->DeactivateKeyboard();
 106 }
 107
 108 }  // namespace ash