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| 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 "chrome/browser/ui/app_list/app_list_shower_views.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/profiler/scoped_tracker.h" | |
| 10 #include "base/single_thread_task_runner.h" | |
| 11 #include "base/threading/thread_task_runner_handle.h" | |
| 12 #include "chrome/browser/lifetime/keep_alive_types.h" | |
| 13 #include "chrome/browser/lifetime/scoped_keep_alive.h" | |
| 14 #include "chrome/browser/profiles/profile.h" | |
| 15 #include "chrome/browser/ui/app_list/app_list_shower_delegate.h" | |
| 16 #include "chrome/browser/ui/app_list/app_list_view_delegate.h" | |
| 17 #include "ui/app_list/views/app_list_view.h" | |
| 18 #include "ui/display/screen.h" | |
| 19 #include "ui/gfx/geometry/point.h" | |
| 20 | |
| 21 AppListShower::AppListShower(AppListShowerDelegate* delegate) | |
| 22 : delegate_(delegate), | |
| 23 profile_(NULL), | |
| 24 app_list_(NULL), | |
| 25 window_icon_updated_(false) { | |
| 26 } | |
| 27 | |
| 28 AppListShower::~AppListShower() { | |
| 29 } | |
| 30 | |
| 31 void AppListShower::ShowForCurrentProfile() { | |
| 32 DCHECK(HasView()); | |
| 33 keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::APP_LIST_SHOWER, | |
| 34 KeepAliveRestartOption::DISABLED)); | |
| 35 | |
| 36 // If the app list is already displaying |profile| just activate it (in case | |
| 37 // we have lost focus). | |
| 38 if (!IsAppListVisible()) | |
| 39 delegate_->MoveNearCursor(app_list_); | |
| 40 | |
| 41 Show(); | |
| 42 } | |
| 43 | |
| 44 gfx::NativeWindow AppListShower::GetWindow() { | |
| 45 if (!IsAppListVisible()) | |
| 46 return NULL; | |
| 47 return app_list_->GetWidget()->GetNativeWindow(); | |
| 48 } | |
| 49 | |
| 50 void AppListShower::CreateViewForProfile(Profile* requested_profile) { | |
| 51 DCHECK(requested_profile); | |
| 52 if (HasView() && requested_profile->IsSameProfile(profile_)) | |
| 53 return; | |
| 54 | |
| 55 profile_ = requested_profile->GetOriginalProfile(); | |
| 56 if (HasView()) { | |
| 57 UpdateViewForNewProfile(); | |
| 58 return; | |
| 59 } | |
| 60 app_list_ = MakeViewForCurrentProfile(); | |
| 61 | |
| 62 // TODO(tapted): Remove ScopedTracker below once crbug.com/431326 is fixed. | |
| 63 tracked_objects::ScopedTracker tracking_profile( | |
| 64 FROM_HERE_WITH_EXPLICIT_FUNCTION( | |
| 65 "431326 AppListShowerDelegate::OnViewCreated()")); | |
| 66 | |
| 67 delegate_->OnViewCreated(); | |
| 68 } | |
| 69 | |
| 70 void AppListShower::DismissAppList() { | |
| 71 if (HasView()) { | |
| 72 Hide(); | |
| 73 delegate_->OnViewDismissed(); | |
| 74 // This can be reached by pressing the dismiss accelerator. To prevent | |
| 75 // events from being processed with a destroyed dispatcher, delay the reset | |
| 76 // of the keep alive. | |
| 77 ResetKeepAliveSoon(); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 void AppListShower::HandleViewBeingDestroyed() { | |
| 82 app_list_ = NULL; | |
| 83 profile_ = NULL; | |
| 84 | |
| 85 // We may end up here as the result of the OS deleting the AppList's | |
| 86 // widget (WidgetObserver::OnWidgetDestroyed). If this happens and there | |
| 87 // are no browsers around then deleting the keep alive will result in | |
| 88 // deleting the Widget again (by way of CloseAllSecondaryWidgets). When | |
| 89 // the stack unravels we end up back in the Widget that was deleted and | |
| 90 // crash. By delaying deletion of the keep alive we ensure the Widget has | |
| 91 // correctly been destroyed before ending the keep alive so that | |
| 92 // CloseAllSecondaryWidgets() won't attempt to delete the AppList's Widget | |
| 93 // again. | |
| 94 ResetKeepAliveSoon(); | |
| 95 } | |
| 96 | |
| 97 bool AppListShower::IsAppListVisible() const { | |
| 98 return app_list_ && app_list_->GetWidget()->IsVisible(); | |
| 99 } | |
| 100 | |
| 101 bool AppListShower::HasView() const { | |
| 102 return !!app_list_; | |
| 103 } | |
| 104 | |
| 105 app_list::AppListView* AppListShower::MakeViewForCurrentProfile() { | |
| 106 app_list::AppListView* view; | |
| 107 { | |
| 108 // TODO(tapted): Remove ScopedTracker below once crbug.com/431326 is fixed. | |
| 109 tracked_objects::ScopedTracker tracking_profile1( | |
| 110 FROM_HERE_WITH_EXPLICIT_FUNCTION("431326 AppListView()")); | |
| 111 | |
| 112 // The app list view manages its own lifetime. | |
| 113 view = new app_list::AppListView(delegate_->GetViewDelegateForCreate()); | |
| 114 } | |
| 115 | |
| 116 gfx::Point cursor = display::Screen::GetScreen()->GetCursorScreenPoint(); | |
| 117 view->InitAsBubbleAtFixedLocation(NULL, | |
| 118 0, | |
| 119 cursor, | |
| 120 views::BubbleBorder::FLOAT, | |
| 121 false /* border_accepts_events */); | |
| 122 return view; | |
| 123 } | |
| 124 | |
| 125 void AppListShower::UpdateViewForNewProfile() { | |
| 126 app_list_->SetProfileByPath(profile_->GetPath()); | |
| 127 } | |
| 128 | |
| 129 void AppListShower::Show() { | |
| 130 app_list_->GetWidget()->Show(); | |
| 131 if (!window_icon_updated_) { | |
| 132 app_list_->GetWidget()->GetTopLevelWidget()->UpdateWindowIcon(); | |
| 133 window_icon_updated_ = true; | |
| 134 } | |
| 135 app_list_->GetWidget()->Activate(); | |
| 136 } | |
| 137 | |
| 138 void AppListShower::Hide() { | |
| 139 app_list_->GetWidget()->Hide(); | |
| 140 } | |
| 141 | |
| 142 void AppListShower::ResetKeepAliveSoon() { | |
| 143 if (base::ThreadTaskRunnerHandle::IsSet()) { // Not set in tests. | |
| 144 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 145 FROM_HERE, | |
| 146 base::Bind(&AppListShower::ResetKeepAlive, base::Unretained(this))); | |
| 147 return; | |
| 148 } | |
| 149 ResetKeepAlive(); | |
| 150 } | |
| 151 | |
| 152 void AppListShower::ResetKeepAlive() { | |
| 153 keep_alive_.reset(); | |
| 154 } | |
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Chromium Code Reviews
Issue 2582743002:
Remove obsolete app_list Linux code. (Closed)
