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 "ui/keyboard/keyboard_layout_manager.h"
6
7#include "ui/compositor/layer_animator.h"
8#include "ui/keyboard/keyboard_controller.h"
9#include "ui/keyboard/keyboard_controller_proxy.h"
10#include "ui/keyboard/keyboard_util.h"
11
12namespace keyboard {
13
14// Overridden from aura::LayoutManager
15void KeyboardLayoutManager::OnWindowResized() {
16  if (keyboard_) {
17    gfx::Rect window_bounds = controller_->GetContainerWindow()->bounds();
18    // Keep the same height when window resize. It usually get called when
19    // screen rotate.
20    int height = keyboard_->bounds().height();
21    keyboard_->SetBounds(gfx::Rect(
22        window_bounds.x(),
23        window_bounds.bottom() - height,
24        window_bounds.width(),
25        height));
26  }
27}
28
29void KeyboardLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
30  DCHECK(!keyboard_);
31  keyboard_ = child;
32  keyboard_->SetBounds(DefaultKeyboardBoundsFromWindowBounds(
33      controller_->GetContainerWindow()->bounds()));
34}
35
36void KeyboardLayoutManager::SetChildBounds(aura::Window* child,
37                                           const gfx::Rect& requested_bounds) {
38  // SetChildBounds can be invoked by resizing from the container or by
39  // resizing from the contents (through window.resizeTo call in JS).
40  // The flag resizing_from_contents() is used to determine the source of the
41  // resize.
42  DCHECK(child == keyboard_);
43
44  ui::LayerAnimator* animator =
45      controller_->GetContainerWindow()->layer()->GetAnimator();
46  // Stops previous animation if a window resize is requested during animation.
47  if (animator->is_animating())
48    animator->StopAnimating();
49
50  gfx::Rect old_bounds = child->bounds();
51  SetChildBoundsDirect(child, requested_bounds);
52  if (old_bounds.height() == 0 && child->bounds().height() != 0 &&
53      controller_->show_on_resize()) {
54    // The window height is set to 0 initially or before switch to an IME in a
55    // different extension. Virtual keyboard window may wait for this bounds
56    // change to correctly animate in.
57    controller_->ShowKeyboard(false);
58  } else {
59    // We need to send out this notification only if keyboard is visible since
60    // keyboard window is resized even if keyboard is hidden.
61    if (controller_->keyboard_visible())
62      controller_->NotifyKeyboardBoundsChanging(requested_bounds);
63  }
64}
65
66}  // namespace keyboard
67