ui/keyboard/keyboard_layout_manager.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 "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
  12 namespace keyboard {
  13
  14 // Overridden from aura::LayoutManager
  15 void 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
  29 void KeyboardLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
  30   DCHECK(!keyboard_);
  31   keyboard_ = child;
  32   keyboard_->SetBounds(DefaultKeyboardBoundsFromWindowBounds(
  33       controller_->GetContainerWindow()->bounds()));
  34 }
  35
  36 void 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     // The window height is set to 0 initially. If the height of |old_bounds| is
  54     // 0 and the new bounds is not 0, it probably means window.resizeTo is
  55     // called to set the window height. We should try to show keyboard again in
  56     // case the show keyboard request is called before the height is set.
  57     controller_->ShowKeyboard(false);
  58   } else {
  59     controller_->NotifyKeyboardBoundsChanging(requested_bounds);
  60   }
  61 }
  62
  63 }  // namespace keyboard