Reland: mash: Convert TrayBackgroundView to wm common types

ash/system/tray/tray_event_filter.cc

-// Copyright (c) 2012 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 "ash/system/tray/tray_event_filter.h"
-
-#include "ash/common/shell_window_ids.h"
-#include "ash/common/wm/container_finder.h"
-#include "ash/common/wm_lookup.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/system/tray/tray_background_view.h"
-#include "ash/system/tray/tray_bubble_wrapper.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-TrayEventFilter::TrayEventFilter() {
-}
-
-TrayEventFilter::~TrayEventFilter() {
-  DCHECK(wrappers_.empty());
-}
-
-void TrayEventFilter::AddWrapper(TrayBubbleWrapper* wrapper) {
-  bool was_empty = wrappers_.empty();
-  wrappers_.insert(wrapper);
-  if (was_empty && !wrappers_.empty())
-    WmShell::Get()->AddPointerWatcher(this);
-}
-
-void TrayEventFilter::RemoveWrapper(TrayBubbleWrapper* wrapper) {
-  wrappers_.erase(wrapper);
-  if (wrappers_.empty())
-    WmShell::Get()->RemovePointerWatcher(this);
-}
-
-void TrayEventFilter::OnMousePressed(const ui::MouseEvent& event,
-                                     const gfx::Point& location_in_screen,
-                                     views::Widget* target) {
-  ProcessPressedEvent(location_in_screen, target);
-}
-
-void TrayEventFilter::OnTouchPressed(const ui::TouchEvent& event,
-                                     const gfx::Point& location_in_screen,
-                                     views::Widget* target) {
-  ProcessPressedEvent(location_in_screen, target);
-}
-
-void TrayEventFilter::ProcessPressedEvent(const gfx::Point& location_in_screen,
-                                          views::Widget* target) {
-  if (target) {
-    WmWindow* window = WmLookup::Get()->GetWindowForWidget(target);
-    int container_id = wm::GetContainerForWindow(window)->GetShellWindowId();
-    // Don't process events that occurred inside an embedded menu, for example
-    // the right-click menu in a popup notification.
-    if (container_id == kShellWindowId_MenuContainer)
-      return;
-    // Don't process events that occurred inside the status area widget and
-    // a popup notification from message center.
-    if (container_id == kShellWindowId_StatusContainer)
-      return;
-  }
-
-  // Check the boundary for all wrappers, and do not handle the event if it
-  // happens inside of any of those wrappers.
-  for (std::set<TrayBubbleWrapper*>::const_iterator iter = wrappers_.begin();
-       iter != wrappers_.end(); ++iter) {
-    const TrayBubbleWrapper* wrapper = *iter;
-    const views::Widget* bubble_widget = wrapper->bubble_widget();
-    if (!bubble_widget)
-      continue;
-
-    gfx::Rect bounds = bubble_widget->GetWindowBoundsInScreen();
-    bounds.Inset(wrapper->bubble_view()->GetBorderInsets());
-    if (bounds.Contains(location_in_screen))
-      return;
-    if (wrapper->tray()) {
-      // If the user clicks on the parent tray, don't process the event here,
-      // let the tray logic handle the event and determine show/hide behavior.
-      bounds = wrapper->tray()->GetBoundsInScreen();
-      if (bounds.Contains(location_in_screen))
-        return;
-    }
-  }
-
-  // Handle clicking outside the bubble and tray.
-  // Cannot iterate |wrappers_| directly, because clicking outside will remove
-  // the wrapper, which shrinks |wrappers_| unsafely.
-  std::set<TrayBackgroundView*> trays;
-  for (std::set<TrayBubbleWrapper*>::iterator iter = wrappers_.begin();
-       iter != wrappers_.end(); ++iter) {
-    trays.insert((*iter)->tray());
-  }
-  for (std::set<TrayBackgroundView*>::iterator iter = trays.begin();
-       iter != trays.end(); ++iter) {
-    (*iter)->ClickedOutsideBubble();
-  }
-}
-
-}  // namespace ash