Revert of Refine ash shelf tooltip closing on non-mash ChromeOS.

ash/shelf/shelf_tooltip_manager.cc

 // 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 "ash/shelf/shelf_tooltip_manager.h"
 
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_view.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
 #include "base/bind.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "ui/aura/window.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace {
-
 const int kTooltipTopBottomMargin = 3;
 const int kTooltipLeftRightMargin = 10;
 const int kTooltipAppearanceDelay = 1000;  // msec
 const int kTooltipMinHeight = 29 - 2 * kTooltipTopBottomMargin;
 const SkColor kTooltipTextColor = SkColorSetRGB(0x22, 0x22, 0x22);
 
 // The maximum width of the tooltip bubble.  Borrowed the value from
 // ash/tooltip/tooltip_controller.cc
 const int kTooltipMaxWidth = 250;
 
 // The offset for the tooltip bubble - making sure that the bubble is flush
 // with the shelf. The offset includes the arrow size in pixels as well as
 // the activation bar and other spacing elements.
 const int kArrowOffsetLeftRight = 11;
 const int kArrowOffsetTopBottom = 7;
 
 }  // namespace
 
 // The implementation of tooltip of the launcher.
 class ShelfTooltipManager::ShelfTooltipBubble
     : public views::BubbleDelegateView {
  public:
   ShelfTooltipBubble(views::View* anchor,
                      views::BubbleBorder::Arrow arrow,
-                     const base::string16& text)
-      : views::BubbleDelegateView(anchor, arrow) {
-    gfx::Insets insets =
-        gfx::Insets(kArrowOffsetTopBottom, kArrowOffsetLeftRight);
-    // Adjust the anchor location for asymmetrical borders of shelf item.
-    if (anchor->border())
-      insets += anchor->border()->GetInsets();
-
-    set_anchor_view_insets(insets);
-    set_close_on_esc(false);
-    set_close_on_deactivate(false);
-    set_can_activate(false);
-    set_accept_events(false);
-    set_margins(gfx::Insets(kTooltipTopBottomMargin, kTooltipLeftRightMargin));
-    set_shadow(views::BubbleBorder::SMALL_SHADOW);
-    SetLayoutManager(new views::FillLayout());
-    // The anchor may not have the widget in tests.
-    if (anchor->GetWidget() && anchor->GetWidget()->GetNativeWindow()) {
-      set_parent_window(ash::Shell::GetContainer(
-          anchor->GetWidget()->GetNativeWindow()->GetRootWindow(),
-          ash::kShellWindowId_SettingBubbleContainer));
-    }
-    views::Label* label = new views::Label(text);
-    label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-    label->SetEnabledColor(kTooltipTextColor);
-    AddChildView(label);
-    views::BubbleDelegateView::CreateBubble(this);
-    SizeToContents();
-  }
+                     const base::string16& text);
 
  private:
   // views::View overrides:
-  gfx::Size GetPreferredSize() const override {
-    const gfx::Size size = views::BubbleDelegateView::GetPreferredSize();
-    return gfx::Size(std::min(size.width(), kTooltipMaxWidth),
-                     std::max(size.height(), kTooltipMinHeight));
-  }
+  gfx::Size GetPreferredSize() const override;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfTooltipBubble);
 };
 
+ShelfTooltipManager::ShelfTooltipBubble::ShelfTooltipBubble(
+    views::View* anchor,
+    views::BubbleBorder::Arrow arrow,
+    const base::string16& text)
+    : views::BubbleDelegateView(anchor, arrow) {
+  gfx::Insets insets = gfx::Insets(kArrowOffsetTopBottom,
+                                   kArrowOffsetLeftRight);
+  // Adjust the anchor location for asymmetrical borders of shelf item.
+  if (anchor->border())
+    insets += anchor->border()->GetInsets();
+
+  set_anchor_view_insets(insets);
+  set_close_on_esc(false);
+  set_close_on_deactivate(false);
+  set_can_activate(false);
+  set_accept_events(false);
+  set_margins(gfx::Insets(kTooltipTopBottomMargin, kTooltipLeftRightMargin));
+  set_shadow(views::BubbleBorder::SMALL_SHADOW);
+  SetLayoutManager(new views::FillLayout());
+  // The anchor may not have the widget in tests.
+  if (anchor->GetWidget() && anchor->GetWidget()->GetNativeWindow()) {
+    set_parent_window(ash::Shell::GetContainer(
+        anchor->GetWidget()->GetNativeWindow()->GetRootWindow(),
+        ash::kShellWindowId_SettingBubbleContainer));
+  }
+  views::Label* label = new views::Label(text);
+  label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
+  label->SetEnabledColor(kTooltipTextColor);
+  AddChildView(label);
+  views::BubbleDelegateView::CreateBubble(this);
+  SizeToContents();
+}
+
+gfx::Size ShelfTooltipManager::ShelfTooltipBubble::GetPreferredSize() const {
+  const gfx::Size size = views::BubbleDelegateView::GetPreferredSize();
+  return gfx::Size(std::min(size.width(), kTooltipMaxWidth),
+                   std::max(size.height(), kTooltipMinHeight));
+}
+
 ShelfTooltipManager::ShelfTooltipManager(ShelfView* shelf_view)
     : timer_delay_(kTooltipAppearanceDelay),
       shelf_view_(shelf_view),
       shelf_layout_manager_(nullptr),
       bubble_(nullptr),
       weak_factory_(this) {}
 
 ShelfTooltipManager::~ShelfTooltipManager() {
   WillDeleteShelf();
 }
 
 void ShelfTooltipManager::Init() {
   shelf_layout_manager_ = shelf_view_->shelf()->shelf_layout_manager();
   shelf_layout_manager_->AddObserver(this);
-
-  // TODO(msw): Observe events outside the shelf in mash, to close tooltips.
-  aura::Window* shelf_window = shelf_view_->GetWidget()->GetNativeWindow();
-  shelf_window->GetRootWindow()->AddPreTargetHandler(this);
+  // TODO(msw): Capture events outside the shelf to close tooltips?
+  shelf_view_->GetWidget()->GetNativeWindow()->AddPreTargetHandler(this);
 }
 
 void ShelfTooltipManager::Close() {
   timer_.Stop();
   if (bubble_)
     bubble_->GetWidget()->Close();
   bubble_ = nullptr;
 }
 
 bool ShelfTooltipManager::IsVisible() const {
@@ skipping 32 matching lines @@
 
 void ShelfTooltipManager::ShowTooltipWithDelay(views::View* view) {
   if (!shelf_layout_manager_ || shelf_layout_manager_->IsVisible()) {
     timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(timer_delay_),
                  base::Bind(&ShelfTooltipManager::ShowTooltip,
                             weak_factory_.GetWeakPtr(), view));
   }
 }
 
 void ShelfTooltipManager::OnEvent(ui::Event* event) {
+  // Close the tooltip on mouse press or exit, and on most non-mouse events.
   if (event->type() == ui::ET_MOUSE_PRESSED ||
-      event->type() == ui::ET_MOUSE_EXITED || !event->IsMouseEvent() ||
-      event->target() != shelf_view_->GetWidget()->GetNativeWindow()) {
+      event->type() == ui::ET_MOUSE_EXITED || !event->IsMouseEvent()) {
     if (!event->IsKeyEvent())
       Close();
     return;
   }
 
   gfx::Point point = static_cast<ui::LocatedEvent*>(event)->location();
-  aura::Window::ConvertPointToTarget(
-      static_cast<aura::Window*>(event->target()),
-      shelf_view_->GetWidget()->GetNativeWindow(), &point);
   views::View::ConvertPointFromWidget(shelf_view_, &point);
+  if (IsVisible() && shelf_view_->ShouldHideTooltip(point)) {
+    Close();
+    return;
+  }
+
   views::View* view = shelf_view_->GetTooltipHandlerForPoint(point);
   const bool should_show = shelf_view_->ShouldShowTooltipForView(view);
+  if (IsVisible() && bubble_->GetAnchorView() != view && should_show)
+    ShowTooltip(view);
 
-  timer_.Stop();
-  if (IsVisible() && should_show && bubble_->GetAnchorView() != view)
-    ShowTooltip(view);
-  else if (!IsVisible() && should_show && event->type() == ui::ET_MOUSE_MOVED)
-    ShowTooltipWithDelay(view);
-  else if (IsVisible() && shelf_view_->ShouldHideTooltip(point))
-    Close();
+  if (!IsVisible() && event->type() == ui::ET_MOUSE_MOVED) {
+    timer_.Stop();
+    if (should_show)
+      ShowTooltipWithDelay(view);
+  }
 }
 
 void ShelfTooltipManager::WillDeleteShelf() {
   if (shelf_layout_manager_)
     shelf_layout_manager_->RemoveObserver(this);
   shelf_layout_manager_ = nullptr;
 
-  if (shelf_view_ && shelf_view_->GetWidget()) {
-    aura::Window* shelf_window = shelf_view_->GetWidget()->GetNativeWindow();
-    if (shelf_window && shelf_window->GetRootWindow())
-      shelf_window->GetRootWindow()->RemovePreTargetHandler(this);
-  }
+  views::Widget* widget = shelf_view_ ? shelf_view_->GetWidget() : nullptr;
+  if (widget && widget->GetNativeWindow())
+    widget->GetNativeWindow()->RemovePreTargetHandler(this);
   shelf_view_ = nullptr;
 }
 
 void ShelfTooltipManager::WillChangeVisibilityState(
     ShelfVisibilityState new_state) {
   if (new_state == SHELF_HIDDEN)
     Close();
 }
 
 void ShelfTooltipManager::OnAutoHideStateChanged(ShelfAutoHideState new_state) {
   if (new_state == SHELF_AUTO_HIDE_HIDDEN) {
     timer_.Stop();
     // AutoHide state change happens during an event filter, so immediate close
     // may cause a crash in the HandleMouseEvent() after the filter.  So we just
     // schedule the Close here.
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ShelfTooltipManager::Close, weak_factory_.GetWeakPtr()));
   }
 }
 
 }  // namespace ash