ui/wm/public/scoped_tooltip_disabler.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/wm/public/scoped_tooltip_disabler.h"
   6
   7 #include "ui/aura/window.h"
   8 #include "ui/wm/public/tooltip_client.h"
   9
  10 namespace aura {
  11 namespace client {
  12
  13 ScopedTooltipDisabler::ScopedTooltipDisabler(aura::Window* window)
  14     : root_(window ? window->GetRootWindow() : NULL) {
  15   if (root_) {
  16     root_->AddObserver(this);
  17     TooltipClient* client = GetTooltipClient(root_);
  18     if (client)
  19       client->SetTooltipsEnabled(false);
  20   }
  21 }
  22
  23 ScopedTooltipDisabler::~ScopedTooltipDisabler() {
  24   EnableTooltips();
  25 }
  26
  27 void ScopedTooltipDisabler::EnableTooltips() {
  28   if (!root_)
  29     return;
  30   TooltipClient* client = GetTooltipClient(root_);
  31   if (client)
  32     client->SetTooltipsEnabled(true);
  33   root_->RemoveObserver(this);
  34   root_ = NULL;
  35 }
  36
  37 void ScopedTooltipDisabler::OnWindowDestroying(aura::Window* window) {
  38   EnableTooltips();
  39 }
  40
  41
  42 }  // namespace client
  43 }  // namespace aura