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/ash_window_tree_host_init_params.h"
  13 #include "ash/host/root_window_transformer.h"
  14 #include "ash/root_window_controller.h"
  15 #include "ash/root_window_settings.h"
  16 #include "ash/shell.h"
  17 #include "ash/shell_window_ids.h"
  18 #include "base/strings/stringprintf.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "ui/aura/env.h"
  21 #include "ui/aura/window_event_dispatcher.h"
  22 #include "ui/keyboard/keyboard_controller.h"
  23 #include "ui/keyboard/keyboard_util.h"
  24
  25 namespace ash {
  26
  27 VirtualKeyboardWindowController::VirtualKeyboardWindowController() {
  28   Shell::GetInstance()->AddShellObserver(this);
  29 }
  30
  31 VirtualKeyboardWindowController::~VirtualKeyboardWindowController() {
  32   Shell::GetInstance()->RemoveShellObserver(this);
  33   // Make sure the root window gets deleted before cursor_window_delegate.
  34   Close();
  35 }
  36
  37 void VirtualKeyboardWindowController::ActivateKeyboard(
  38     keyboard::KeyboardController* keyboard_controller) {
  39   root_window_controller_->ActivateKeyboard(keyboard_controller);
  40 }
  41
  42 void VirtualKeyboardWindowController::UpdateWindow(
  43     const DisplayInfo& display_info) {
  44   static int virtual_keyboard_host_count = 0;
  45   if (!root_window_controller_.get()) {
  46     AshWindowTreeHostInitParams init_params;
  47     init_params.initial_bounds = display_info.bounds_in_native();
  48     AshWindowTreeHost* ash_host = AshWindowTreeHost::Create(init_params);
  49     aura::WindowTreeHost* host = ash_host->AsWindowTreeHost();
  50
  51     host->window()->SetName(base::StringPrintf("VirtualKeyboardRootWindow-%d",
  52                                                virtual_keyboard_host_count++));
  53
  54     // No need to remove WindowTreeHostObserver because the DisplayController
  55     // outlives the host.
  56     host->AddObserver(Shell::GetInstance()->display_controller());
  57     InitRootWindowSettings(host->window())->display_id = display_info.id();
  58     host->InitHost();
  59     RootWindowController::CreateForVirtualKeyboardDisplay(ash_host);
  60     root_window_controller_.reset(GetRootWindowController(host->window()));
  61     root_window_controller_->GetHost()->Show();
  62     root_window_controller_->ActivateKeyboard(
  63         keyboard::KeyboardController::GetInstance());
  64     FlipDisplay();
  65   } else {
  66     aura::WindowTreeHost* host = root_window_controller_->GetHost();
  67     GetRootWindowSettings(host->window())->display_id = display_info.id();
  68     host->SetBounds(display_info.bounds_in_native());
  69   }
  70 }
  71
  72 void VirtualKeyboardWindowController::Close() {
  73   if (root_window_controller_.get()) {
  74     root_window_controller_->GetHost()->RemoveObserver(
  75         Shell::GetInstance()->display_controller());
  76     root_window_controller_->Shutdown();
  77     root_window_controller_.reset();
  78   }
  79 }
  80
  81 void VirtualKeyboardWindowController::FlipDisplay() {
  82   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
  83   if (!display_manager->virtual_keyboard_root_window_enabled()) {
  84     NOTREACHED() << "Attempting to flip virtual keyboard root window when it "
  85                  << "is not enabled.";
  86     return;
  87   }
  88   display_manager->SetDisplayRotation(
  89       display_manager->non_desktop_display().id(), gfx::Display::ROTATE_180);
  90
  91   aura::WindowTreeHost* host = root_window_controller_->GetHost();
  92   scoped_ptr<RootWindowTransformer> transformer(
  93       CreateRootWindowTransformerForDisplay(
  94           host->window(), display_manager->non_desktop_display()));
  95   root_window_controller_->ash_host()->SetRootWindowTransformer(
  96       transformer.Pass());
  97 }
  98
  99 void VirtualKeyboardWindowController::OnMaximizeModeStarted() {
 100   keyboard::SetTouchKeyboardEnabled(true);
 101   Shell::GetInstance()->CreateKeyboard();
 102 }
 103
 104 void VirtualKeyboardWindowController::OnMaximizeModeEnded() {
 105   keyboard::SetTouchKeyboardEnabled(false);
 106   if (!keyboard::IsKeyboardEnabled())
 107     Shell::GetInstance()->DeactivateKeyboard();
 108 }
 109
 110 }  // namespace ash