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      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/root_window_host_factory.h"
     12 #include "ash/root_window_controller.h"
     13 #include "ash/root_window_settings.h"
     14 #include "ash/shell.h"
     15 #include "ash/shell_window_ids.h"
     16 #include "base/strings/stringprintf.h"
     17 #include "base/strings/utf_string_conversions.h"
     18 #include "ui/aura/env.h"
     19 #include "ui/aura/root_window.h"
     20 #include "ui/aura/root_window_transformer.h"
     21 #include "ui/keyboard/keyboard_controller.h"
     22 
     23 namespace ash {
     24 namespace internal {
     25 
     26 VirtualKeyboardWindowController::VirtualKeyboardWindowController() {
     27 }
     28 
     29 VirtualKeyboardWindowController::~VirtualKeyboardWindowController() {
     30   // Make sure the root window gets deleted before cursor_window_delegate.
     31   Close();
     32 }
     33 
     34 void VirtualKeyboardWindowController::ActivateKeyboard(
     35     keyboard::KeyboardController* keyboard_controller) {
     36   root_window_controller_->ActivateKeyboard(keyboard_controller);
     37 }
     38 
     39 void VirtualKeyboardWindowController::UpdateWindow(
     40     const DisplayInfo& display_info) {
     41   static int virtual_keyboard_root_window_count = 0;
     42   if (!root_window_controller_.get()) {
     43     const gfx::Rect& bounds_in_native = display_info.bounds_in_native();
     44     aura::RootWindow::CreateParams params(bounds_in_native);
     45     params.host = Shell::GetInstance()->root_window_host_factory()->
     46         CreateRootWindowHost(bounds_in_native);
     47     aura::RootWindow* root_window = new aura::RootWindow(params);
     48 
     49     root_window->window()->SetName(
     50         base::StringPrintf("VirtualKeyboardRootWindow-%d",
     51                            virtual_keyboard_root_window_count++));
     52 
     53     // No need to remove RootWindowObserver because
     54     // the DisplayController object outlives RootWindow objects.
     55     root_window->AddRootWindowObserver(
     56         Shell::GetInstance()->display_controller());
     57     InitRootWindowSettings(root_window->window())->display_id =
     58         display_info.id();
     59     root_window->Init();
     60     RootWindowController::CreateForVirtualKeyboardDisplay(root_window);
     61     root_window_controller_.reset(GetRootWindowController(
     62         root_window->window()));
     63     root_window_controller_->dispatcher()->host()->Show();
     64     root_window_controller_->ActivateKeyboard(
     65         Shell::GetInstance()->keyboard_controller());
     66     FlipDisplay();
     67   } else {
     68     aura::RootWindow* root_window = root_window_controller_->dispatcher();
     69     GetRootWindowSettings(root_window->window())->display_id =
     70         display_info.id();
     71     root_window->SetHostBounds(display_info.bounds_in_native());
     72   }
     73 }
     74 
     75 void VirtualKeyboardWindowController::Close() {
     76   if (root_window_controller_.get()) {
     77     root_window_controller_->dispatcher()->RemoveRootWindowObserver(
     78         Shell::GetInstance()->display_controller());
     79     root_window_controller_->Shutdown();
     80     root_window_controller_.reset();
     81   }
     82 }
     83 
     84 void VirtualKeyboardWindowController::FlipDisplay() {
     85   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
     86   if (!display_manager->virtual_keyboard_root_window_enabled()) {
     87     NOTREACHED() << "Attempting to flip virtual keyboard root window when it "
     88                  << "is not enabled.";
     89     return;
     90   }
     91   display_manager->SetDisplayRotation(
     92       display_manager->non_desktop_display().id(), gfx::Display::ROTATE_180);
     93 
     94   aura::RootWindow* root_window = root_window_controller_->dispatcher();
     95   scoped_ptr<aura::RootWindowTransformer> transformer(
     96       internal::CreateRootWindowTransformerForDisplay(root_window->window(),
     97           display_manager->non_desktop_display()));
     98   root_window->SetRootWindowTransformer(transformer.Pass());
     99 }
    100 
    101 }  // namespace internal
    102 }  // namespace ash
    103