ui/views/controls/menu/menu_runner.cc

   1 // Copyright (c) 2012 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/views/controls/menu/menu_runner.h"
   6
   7 #include "ui/views/controls/menu/menu_runner_handler.h"
   8 #include "ui/views/controls/menu/menu_runner_impl.h"
   9
  10 namespace views {
  11
  12 MenuRunner::MenuRunner(ui::MenuModel* menu_model, int32 run_types)
  13     : run_types_(run_types),
  14       impl_(internal::MenuRunnerImplInterface::Create(menu_model, run_types)) {
  15 }
  16
  17 MenuRunner::MenuRunner(MenuItemView* menu_view, int32 run_types)
  18     : run_types_(run_types), impl_(new internal::MenuRunnerImpl(menu_view)) {
  19 }
  20
  21 MenuRunner::~MenuRunner() {
  22   impl_->Release();
  23 }
  24
  25 MenuRunner::RunResult MenuRunner::RunMenuAt(Widget* parent,
  26                                             MenuButton* button,
  27                                             const gfx::Rect& bounds,
  28                                             MenuAnchorPosition anchor,
  29                                             ui::MenuSourceType source_type) {
  30   if (runner_handler_.get()) {
  31     return runner_handler_->RunMenuAt(
  32         parent, button, bounds, anchor, source_type, run_types_);
  33   }
  34
  35   // The parent of the nested menu will have created a DisplayChangeListener, so
  36   // we avoid creating a DisplayChangeListener if nested. Drop menus are
  37   // transient, so we don't cancel in that case.
  38   if ((run_types_ & (IS_NESTED | FOR_DROP)) == 0 && parent) {
  39     display_change_listener_.reset(
  40         internal::DisplayChangeListener::Create(parent, this));
  41   }
  42
  43   if (run_types_ & CONTEXT_MENU) {
  44     switch (source_type) {
  45       case ui::MENU_SOURCE_NONE:
  46       case ui::MENU_SOURCE_KEYBOARD:
  47       case ui::MENU_SOURCE_MOUSE:
  48         anchor = MENU_ANCHOR_TOPLEFT;
  49         break;
  50       case ui::MENU_SOURCE_TOUCH:
  51       case ui::MENU_SOURCE_TOUCH_EDIT_MENU:
  52         anchor = MENU_ANCHOR_BOTTOMCENTER;
  53         break;
  54       default:
  55         break;
  56     }
  57   }
  58
  59   return impl_->RunMenuAt(parent, button, bounds, anchor, run_types_);
  60 }
  61
  62 bool MenuRunner::IsRunning() const {
  63   return impl_->IsRunning();
  64 }
  65
  66 void MenuRunner::Cancel() {
  67   impl_->Cancel();
  68 }
  69
  70 base::TimeDelta MenuRunner::closing_event_time() const {
  71   return impl_->GetClosingEventTime();
  72 }
  73
  74 void MenuRunner::SetRunnerHandler(
  75     scoped_ptr<MenuRunnerHandler> runner_handler) {
  76   runner_handler_ = runner_handler.Pass();
  77 }
  78
  79 }  // namespace views