Index: chrome/browser/ui/views/app_list/win/activation_tracker_win.cc |
diff --git a/chrome/browser/ui/views/app_list/win/activation_tracker_win.cc b/chrome/browser/ui/views/app_list/win/activation_tracker_win.cc |
deleted file mode 100644 |
index df652d74f7faefa61a81c5199c593f67d7bce7fa..0000000000000000000000000000000000000000 |
--- a/chrome/browser/ui/views/app_list/win/activation_tracker_win.cc |
+++ /dev/null |
@@ -1,127 +0,0 @@ |
-// Copyright 2013 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "chrome/browser/ui/views/app_list/win/activation_tracker_win.h" |
- |
-#include "base/time/time.h" |
-#include "chrome/browser/ui/app_list/app_list_shower_views.h" |
-#include "chrome/browser/ui/views/app_list/win/app_list_service_win.h" |
-#include "ui/app_list/app_list_switches.h" |
-#include "ui/app_list/views/app_list_view.h" |
-#include "ui/views/widget/widget.h" |
- |
-namespace { |
- |
-const wchar_t kJumpListClassName[] = L"DV2ControlHost"; |
-const wchar_t kTrayClassName[] = L"Shell_TrayWnd"; |
-const int kFocusCheckIntervalMS = 250; |
- |
-} // namespace |
- |
-ActivationTrackerWin::ActivationTrackerWin(AppListServiceWin* service) |
- : service_(service), |
- taskbar_has_focus_(false) { |
- service_->shower().app_list()->AddObserver(this); |
-} |
- |
-ActivationTrackerWin::~ActivationTrackerWin() { |
- DCHECK(service_->shower().app_list()); |
- service_->shower().app_list()->RemoveObserver(this); |
- timer_.Stop(); |
-} |
- |
-void ActivationTrackerWin::OnActivationChanged(views::Widget* /*widget*/, |
- bool active) { |
- if (active) { |
- timer_.Stop(); |
- return; |
- } |
- |
- taskbar_has_focus_ = false; |
- timer_.Start(FROM_HERE, |
- base::TimeDelta::FromMilliseconds(kFocusCheckIntervalMS), this, |
- &ActivationTrackerWin::MaybeDismissAppList); |
-} |
- |
-void ActivationTrackerWin::OnViewHidden() { |
- timer_.Stop(); |
-} |
- |
-void ActivationTrackerWin::MaybeDismissAppList() { |
- if (!ShouldDismissAppList()) |
- return; |
- |
- service_->DismissAppList(); |
-} |
- |
-bool ActivationTrackerWin::ShouldDismissAppList() { |
- // The app launcher should be hidden when it loses focus, except for the cases |
- // necessary to allow the launcher to be pinned or closed via the taskbar |
- // context menu. This will return true to dismiss the app launcher unless one |
- // of the following conditions are met: |
- // - the switch preventing app list dismissal on blur is active, or |
- // - the app launcher is focused, or |
- // - the taskbar's jump list is focused, or |
- // - the taskbar is focused with the right mouse button pressed. |
- |
- if (app_list::switches::ShouldNotDismissOnBlur()) |
- return false; |
- |
- // Remember if the taskbar had focus without the right mouse button being |
- // down. |
- bool taskbar_had_focus = taskbar_has_focus_; |
- taskbar_has_focus_ = false; |
- |
- // First get the taskbar and jump lists windows (the jump list is the |
- // context menu which the taskbar uses). |
- HWND jump_list_hwnd = FindWindow(kJumpListClassName, NULL); |
- HWND taskbar_hwnd = FindWindow(kTrayClassName, NULL); |
- |
- // First work out if the left or right button is currently down. |
- int swapped = GetSystemMetrics(SM_SWAPBUTTON); |
- int left_button = swapped ? VK_RBUTTON : VK_LBUTTON; |
- bool left_button_down = GetAsyncKeyState(left_button) < 0; |
- int right_button = swapped ? VK_LBUTTON : VK_RBUTTON; |
- bool right_button_down = GetAsyncKeyState(right_button) < 0; |
- |
- // Now get the window that currently has focus. |
- HWND focused_hwnd = GetForegroundWindow(); |
- if (!focused_hwnd) { |
- // Sometimes the focused window is NULL. This can happen when the focus is |
- // changing due to a mouse button press. Dismiss the launcher if and only if |
- // no button is being pressed. |
- return !right_button_down && !left_button_down; |
- } |
- |
- while (focused_hwnd) { |
- // If the focused window is the right click menu (called a jump list) or |
- // the app list, don't hide the launcher. |
- HWND app_list_hwnd = service_->shower().app_list()->GetHWND(); |
- if (focused_hwnd == jump_list_hwnd || focused_hwnd == app_list_hwnd) |
- return false; |
- |
- if (focused_hwnd == taskbar_hwnd) { |
- // If the focused window is the taskbar, and the right button is down, |
- // don't hide the launcher as the user might be bringing up the menu. |
- if (right_button_down) |
- return false; |
- |
- // There is a short period between the right mouse button being down |
- // and the menu gaining focus, where the taskbar has focus and no button |
- // is down. If the taskbar is observed in this state one time, the |
- // launcher is not dismissed. If it happens for two consecutive timer |
- // ticks, it is dismissed. |
- if (!taskbar_had_focus) { |
- taskbar_has_focus_ = true; |
- return false; |
- } |
- return true; |
- } |
- focused_hwnd = GetParent(focused_hwnd); |
- } |
- |
- // If we get here, the focused window is not the taskbar, its context menu, or |
- // the app list. |
- return true; |
-} |