Fork a subset of ash/shelf for use in mash.

mash/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 "mash/shelf/shelf_tooltip_manager.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/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
+#include "components/mus/public/cpp/property_type_converters.h"
+#include "mash/shelf/shelf_view.h"
+#include "mash/wm/public/interfaces/container.mojom.h"
+#include "mojo/shell/public/cpp/application_impl.h"
 #include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.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/bubble/bubble_frame_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
+#include "ui/views/mus/native_widget_mus.h"
+#include "ui/views/mus/window_manager_connection.h"
 #include "ui/views/widget/widget.h"
+#include "ui/wm/core/window_animations.h"
 
-namespace ash {
+namespace mash {
+namespace shelf {
 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,
-                        ShelfTooltipManager* host);
+                     views::BubbleBorder::Arrow arrow,
+                     const base::string16& text,
+                     ShelfTooltipManager* host);
 
   void SetText(const base::string16& text);
   void Close();
 
  private:
+  // views::BubbleDelegateView overrides:
+  void OnBeforeBubbleWidgetInit(views::Widget::InitParams* params,
+                                views::Widget* widget) const override;
+
   // views::WidgetDelegate overrides:
+  bool ShouldShowWindowTitle() const override;
   void WindowClosing() override;
 
   // views::View overrides:
   gfx::Size GetPreferredSize() const override;
 
   ShelfTooltipManager* host_;
   views::Label* label_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfTooltipBubble);
 };
 
 ShelfTooltipManager::ShelfTooltipBubble::ShelfTooltipBubble(
     views::View* anchor,
     views::BubbleBorder::Arrow arrow,
+    const base::string16& text,
     ShelfTooltipManager* host)
     : views::BubbleDelegateView(anchor, arrow), host_(host) {
   gfx::Insets insets = gfx::Insets(kArrowOffsetTopBottom,
                                    kArrowOffsetLeftRight,
                                    kArrowOffsetTopBottom,
                                    kArrowOffsetLeftRight);
   // Shelf items can have an asymmetrical border for spacing reasons.
   // Adjust anchor location for this.
   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,
                           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()->GetNativeView()) {
-    aura::Window* root_window =
-        anchor->GetWidget()->GetNativeView()->GetRootWindow();
-    set_parent_window(ash::Shell::GetInstance()->GetContainer(
-        root_window, ash::kShellWindowId_SettingBubbleContainer));
-  }
-  label_ = new views::Label;
+  label_ = new views::Label(text);
   label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   label_->SetEnabledColor(kTooltipTextColor);
   AddChildView(label_);
   views::BubbleDelegateView::CreateBubble(this);
 }
 
-void ShelfTooltipManager::ShelfTooltipBubble::SetText(
-    const base::string16& text) {
-  label_->SetText(text);
-  SizeToContents();
+void ShelfTooltipManager::ShelfTooltipBubble::Close() {
+  if (GetWidget()) {
+    host_ = nullptr;
+    GetWidget()->Close();
+  }
 }
 
-void ShelfTooltipManager::ShelfTooltipBubble::Close() {
-  if (GetWidget()) {
-    host_ = NULL;
-    GetWidget()->Close();
-  }
+void ShelfTooltipManager::ShelfTooltipBubble::OnBeforeBubbleWidgetInit(
+    views::Widget::InitParams* params,
+    views::Widget* widget) const {
+  // Ensure the widget is treated as a tooltip by the window manager.
+  std::map<std::string, std::vector<uint8_t>> properties;
+  properties[mash::wm::mojom::kWindowContainer_Property] =
+      mojo::TypeConverter<const std::vector<uint8_t>, int32_t>::Convert(
+          static_cast<int32_t>(mash::wm::mojom::Container::TOOLTIPS));
+  mus::Window* window =
+      views::WindowManagerConnection::Get()->NewWindow(properties);
+  params->native_widget = new views::NativeWidgetMus(
+      widget, host_->shelf_view()->app()->shell(), window,
+      mus::mojom::SurfaceType::DEFAULT);
 }
 
 void ShelfTooltipManager::ShelfTooltipBubble::WindowClosing() {
   views::BubbleDelegateView::WindowClosing();
   if (host_)
     host_->OnBubbleClosed(this);
 }
 
+bool ShelfTooltipManager::ShelfTooltipBubble::ShouldShowWindowTitle() const {
+  return false;
+}
+
 gfx::Size ShelfTooltipManager::ShelfTooltipBubble::GetPreferredSize() const {
   gfx::Size pref_size = views::BubbleDelegateView::GetPreferredSize();
   if (pref_size.height() < kTooltipMinHeight)
     pref_size.set_height(kTooltipMinHeight);
   if (pref_size.width() > kTooltipMaxWidth)
     pref_size.set_width(kTooltipMaxWidth);
   return pref_size;
 }
 
-ShelfTooltipManager::ShelfTooltipManager(
-    ShelfLayoutManager* shelf_layout_manager,
-    ShelfView* shelf_view)
-    : view_(NULL),
-      widget_(NULL),
-      anchor_(NULL),
-      shelf_layout_manager_(shelf_layout_manager),
+ShelfTooltipManager::ShelfTooltipManager(ShelfView* shelf_view)
+    : view_(nullptr),
+      widget_(nullptr),
       shelf_view_(shelf_view),
       weak_factory_(this) {
-  if (shelf_layout_manager)
-    shelf_layout_manager->AddObserver(this);
-  if (Shell::HasInstance())
-    Shell::GetInstance()->AddPreTargetHandler(this);
+  // Ensure mouse movements between the shelf and its buttons isn't an exit.
+  shelf_view_->set_notify_enter_exit_on_child(true);
+  shelf_view_->AddPreTargetHandler(this);
 }
 
 ShelfTooltipManager::~ShelfTooltipManager() {
   CancelHidingAnimation();
   Close();
-  if (shelf_layout_manager_)
-    shelf_layout_manager_->RemoveObserver(this);
-  if (Shell::HasInstance())
-    Shell::GetInstance()->RemovePreTargetHandler(this);
+  shelf_view_->RemovePreTargetHandler(this);
 }
 
 void ShelfTooltipManager::ShowDelayed(views::View* anchor,
                                       const base::string16& text) {
   if (view_) {
     if (timer_.get() && timer_->IsRunning()) {
       return;
     } else {
       CancelHidingAnimation();
       Close();
     }
   }
 
-  if (shelf_layout_manager_ && !shelf_layout_manager_->IsVisible())
+  if (!shelf_view_->GetWidget() || !shelf_view_->GetWidget()->IsVisible())
     return;
 
   CreateBubble(anchor, text);
   ResetTimer();
 }
 
 void ShelfTooltipManager::ShowImmediately(views::View* anchor,
                                           const base::string16& text) {
   if (view_) {
     if (timer_.get() && timer_->IsRunning())
       StopTimer();
     CancelHidingAnimation();
     Close();
   }
 
-  if (shelf_layout_manager_ && !shelf_layout_manager_->IsVisible())
+  if (!shelf_view_->GetWidget() || !shelf_view_->GetWidget()->IsVisible())
     return;
 
   CreateBubble(anchor, text);
   ShowInternal();
 }
 
 void ShelfTooltipManager::Close() {
   StopTimer();
   if (view_) {
     view_->Close();
-    view_ = NULL;
-    widget_ = NULL;
+    view_ = nullptr;
+    widget_ = nullptr;
   }
 }
 
 void ShelfTooltipManager::OnBubbleClosed(views::BubbleDelegateView* view) {
   if (view == view_) {
-    view_ = NULL;
-    widget_ = NULL;
+    view_ = nullptr;
+    widget_ = nullptr;
   }
 }
 
-void ShelfTooltipManager::UpdateArrow() {
-  if (view_) {
-    CancelHidingAnimation();
-    Close();
-    ShowImmediately(anchor_, text_);
-  }
-}
-
 void ShelfTooltipManager::ResetTimer() {
   if (timer_.get() && timer_->IsRunning()) {
     timer_->Reset();
     return;
   }
 
   // We don't start the timer if the shelf isn't visible.
-  if (shelf_layout_manager_ && !shelf_layout_manager_->IsVisible())
+  if (!shelf_view_->GetWidget() || !shelf_view_->GetWidget()->IsVisible())
     return;
 
   CreateTimer(kTooltipAppearanceDelay);
 }
 
 void ShelfTooltipManager::StopTimer() {
   timer_.reset();
 }
 
-bool ShelfTooltipManager::IsVisible() {
+bool ShelfTooltipManager::IsVisible() const {
   if (timer_.get() && timer_->IsRunning())
     return false;
 
   return widget_ && widget_->IsVisible();
 }
 
+views::View* ShelfTooltipManager::GetCurrentAnchorView() const {
+  return view_ ? view_->GetAnchorView() : nullptr;
+}
+
 void ShelfTooltipManager::CreateZeroDelayTimerForTest() {
   CreateTimer(0);
 }
 
 void ShelfTooltipManager::OnMouseEvent(ui::MouseEvent* event) {
   DCHECK(event);
   DCHECK(event->target());
   if (!widget_ || !widget_->IsVisible())
     return;
 
   DCHECK(view_);
   DCHECK(shelf_view_);
 
-  // Pressing the mouse button anywhere should close the tooltip.
-  if (event->type() == ui::ET_MOUSE_PRESSED) {
+  // Close the tooltip when the mouse is pressed or exits the shelf view area.
+  if (event->type() == ui::ET_MOUSE_PRESSED ||
+      (event->type() == ui::ET_MOUSE_EXITED &&
+       event->target() == shelf_view_)) {
     CloseSoon();
     return;
   }
 
-  aura::Window* target = static_cast<aura::Window*>(event->target());
-  if (widget_->GetNativeWindow()->GetRootWindow() != target->GetRootWindow()) {
-    CloseSoon();
-    return;
-  }
-
-  gfx::Point location_in_shelf_view = event->location();
-  aura::Window::ConvertPointToTarget(
-      target, shelf_view_->GetWidget()->GetNativeWindow(),
-      &location_in_shelf_view);
-
-  if (shelf_view_->ShouldHideTooltip(location_in_shelf_view)) {
+  gfx::Point location = event->location();
+  views::View* target = static_cast<views::View*>(event->target());
+  views::View::ConvertPointToTarget(target, shelf_view_, &location);
+  if (shelf_view_->ShouldHideTooltip(location)) {
     // Because this mouse event may arrive to |view_|, here we just schedule
     // the closing event rather than directly calling Close().
     CloseSoon();
   }
 }
 
 void ShelfTooltipManager::OnTouchEvent(ui::TouchEvent* event) {
-  aura::Window* target = static_cast<aura::Window*>(event->target());
+  // TODO(msw): Fix this; touch events outside the shelf are not captured.
+  views::View* view = static_cast<views::View*>(event->target());
+  aura::Window* target = view->GetWidget()->GetNativeWindow();
   if (widget_ && widget_->IsVisible() && widget_->GetNativeWindow() != target)
     Close();
 }
 
 void ShelfTooltipManager::OnGestureEvent(ui::GestureEvent* event) {
   if (widget_ && widget_->IsVisible()) {
     // Because this mouse event may arrive to |view_|, here we just schedule
     // the closing event rather than directly calling Close().
     CloseSoon();
   }
 }
 
 void ShelfTooltipManager::OnCancelMode(ui::CancelModeEvent* event) {
   Close();
 }
 
-void ShelfTooltipManager::WillDeleteShelf() {
-  shelf_layout_manager_ = NULL;
-}
-
+/* TODO(msw): Restore functionality:
 void ShelfTooltipManager::WillChangeVisibilityState(
     ShelfVisibilityState new_state) {
   if (new_state == SHELF_HIDDEN) {
     StopTimer();
     Close();
   }
 }
 
 void ShelfTooltipManager::OnAutoHideStateChanged(ShelfAutoHideState new_state) {
   if (new_state == SHELF_AUTO_HIDE_HIDDEN) {
     StopTimer();
     // 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.
     CloseSoon();
   }
-}
+}*/
 
 void ShelfTooltipManager::CancelHidingAnimation() {
   if (!widget_ || !widget_->GetNativeView())
     return;
 
-  gfx::NativeView native_view = widget_->GetNativeView();
-  wm::SetWindowVisibilityAnimationTransition(
-      native_view, wm::ANIMATE_NONE);
+  ::wm::SetWindowVisibilityAnimationTransition(widget_->GetNativeView(),
+                                               ::wm::ANIMATE_NONE);
 }
 
 void ShelfTooltipManager::CloseSoon() {
-  base::MessageLoopForUI::current()->PostTask(
+  base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&ShelfTooltipManager::Close, weak_factory_.GetWeakPtr()));
 }
 
 void ShelfTooltipManager::ShowInternal() {
   if (view_)
     view_->GetWidget()->Show();
 
   timer_.reset();
 }
 
 void ShelfTooltipManager::CreateBubble(views::View* anchor,
                                        const base::string16& text) {
   DCHECK(!view_);
-
-  anchor_ = anchor;
-  text_ = text;
-  views::BubbleBorder::Arrow arrow =
-      shelf_layout_manager_->SelectValueForShelfAlignment(
-          views::BubbleBorder::BOTTOM_CENTER,
-          views::BubbleBorder::LEFT_CENTER,
-          views::BubbleBorder::RIGHT_CENTER,
-          views::BubbleBorder::TOP_CENTER);
-
-  view_ = new ShelfTooltipBubble(anchor, arrow, this);
+  views::BubbleBorder::Arrow arrow = shelf_view_->SelectValueForShelfAlignment(
+      views::BubbleBorder::BOTTOM_CENTER, views::BubbleBorder::LEFT_CENTER,
+      views::BubbleBorder::RIGHT_CENTER, views::BubbleBorder::TOP_CENTER);
+  view_ = new ShelfTooltipBubble(anchor, arrow, text, this);
   widget_ = view_->GetWidget();
-  view_->SetText(text_);
 
   gfx::NativeView native_view = widget_->GetNativeView();
-  wm::SetWindowVisibilityAnimationType(
-      native_view, wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
-  wm::SetWindowVisibilityAnimationTransition(
-      native_view, wm::ANIMATE_HIDE);
+  ::wm::SetWindowVisibilityAnimationType(
+      native_view, ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
+  ::wm::SetWindowVisibilityAnimationTransition(
+      native_view, ::wm::ANIMATE_HIDE);
 }
 
 void ShelfTooltipManager::CreateTimer(int delay_in_ms) {
   base::OneShotTimer* new_timer = new base::OneShotTimer();
   new_timer->Start(FROM_HERE,
                    base::TimeDelta::FromMilliseconds(delay_in_ms),
                    this,
                    &ShelfTooltipManager::ShowInternal);
   timer_.reset(new_timer);
 }
 
-}  // namespace ash
+}  // namespace shelf
+}  // namespace mash