Aura: Tooltips

ui/views/widget/tooltip_manager_views.cc

Index: ui/views/widget/tooltip_manager_views.cc
diff --git a/ui/views/widget/tooltip_manager_views.cc b/ui/views/widget/tooltip_manager_views.cc
deleted file mode 100644
index fa3cb63750140b9f22146a741745f150c664310c..0000000000000000000000000000000000000000
--- a/ui/views/widget/tooltip_manager_views.cc
+++ /dev/null
@@ -1,239 +0,0 @@
-// Copyright (c) 2011 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 "ui/views/widget/tooltip_manager_views.h"
-
-#if defined(USE_X11)
-#include <X11/Xlib.h>
-#include <X11/extensions/XInput2.h>
-#endif
-
-#if defined(OS_WIN)
-#include <windowsx.h>
-#endif
-
-#include "base/event_types.h"
-#include "base/logging.h"
-#include "base/time.h"
-#include "base/utf_string_conversions.h"
-#include "third_party/skia/include/core/SkColor.h"
-#if defined(USE_AURA)
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/event.h"
-#include "ui/aura/window.h"
-#endif
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/font.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/events/event.h"
-#include "ui/views/focus/focus_manager.h"
-#include "ui/views/widget/native_widget.h"
-#include "views/background.h"
-#include "views/border.h"
-#include "views/view.h"
-
-namespace {
-SkColor kTooltipBackground = 0xFF7F7F00;
-int kTooltipTimeoutMs = 500;
-
-// FIXME: get cursor offset from actual cursor size.
-int kCursorOffsetX = 10;
-int kCursorOffsetY = 15;
-}
-
-namespace views {
-
-// static
-int TooltipManager::GetTooltipHeight() {
-  // Not used for linux and chromeos.
-  NOTREACHED();
-  return 0;
-}
-
-// static
-gfx::Font TooltipManager::GetDefaultFont() {
-  return ResourceBundle::GetSharedInstance().GetFont(ResourceBundle::BaseFont);
-}
-
-// static
-int TooltipManager::GetMaxWidth(int x, int y) {
-  // FIXME: change this. This is for now just copied from TooltipManagerGtk.
-
-  // We always display the tooltip inside the root view. So the max width is
-  // the width of the view.
-  gfx::Rect monitor_bounds =
-      gfx::Screen::GetMonitorAreaNearestPoint(gfx::Point(x, y));
-  // GtkLabel (gtk_label_ensure_layout) forces wrapping at this size. We mirror
-  // the size here otherwise tooltips wider than the size used by gtklabel end
-  // up with extraneous empty lines.
-  return monitor_bounds.width() == 0 ? 800 : (monitor_bounds.width() + 1) / 2;
-}
-
-TooltipManagerViews::TooltipManagerViews(views::View* root_view)
-    : root_view_(root_view),
-      tooltip_view_(NULL) {
-  tooltip_label_.set_background(
-      views::Background::CreateSolidBackground(kTooltipBackground));
-  tooltip_widget_.reset(CreateTooltip());
-  tooltip_widget_->SetContentsView(&tooltip_label_);
-  tooltip_widget_->Activate();
-  tooltip_widget_->SetAlwaysOnTop(true);
-}
-
-TooltipManagerViews::~TooltipManagerViews() {
-  tooltip_widget_->CloseNow();
-}
-
-void TooltipManagerViews::UpdateForMouseEvent(const MouseEvent& event) {
-  switch (event.type()) {
-    case ui::ET_MOUSE_EXITED:
-      // Mouse is exiting this widget. Stop showing the tooltip and the timer.
-      if (tooltip_timer_.IsRunning())
-        tooltip_timer_.Stop();
-      if (tooltip_widget_->IsVisible())
-        tooltip_widget_->Hide();
-      break;
-    case ui::ET_MOUSE_ENTERED:
-      // Mouse just entered this widget. Start the timer to show the tooltip.
-      if (tooltip_timer_.IsRunning())
-        tooltip_timer_.Stop();
-      tooltip_timer_.Start(FROM_HERE,
-          base::TimeDelta::FromMilliseconds(kTooltipTimeoutMs),
-          this, &TooltipManagerViews::TooltipTimerFired);
-      break;
-    case ui::ET_MOUSE_MOVED:
-      OnMouseMoved(event.location().x(), event.location().y());
-      break;
-    case ui::ET_MOUSE_PRESSED:
-    case ui::ET_MOUSE_RELEASED:
-    case ui::ET_MOUSE_DRAGGED:
-    case ui::ET_MOUSEWHEEL:
-      // Hide the tooltip for click, release, drag, wheel events.
-      if (tooltip_widget_->IsVisible())
-        tooltip_widget_->Hide();
-      break;
-    default:
-      NOTIMPLEMENTED();
-  }
-}
-
-void TooltipManagerViews::UpdateTooltip() {
-  UpdateIfRequired(curr_mouse_pos_.x(), curr_mouse_pos_.y(), false);
-}
-
-void TooltipManagerViews::TooltipTextChanged(View* view) {
-  if (tooltip_widget_->IsVisible())
-    UpdateIfRequired(curr_mouse_pos_.x(), curr_mouse_pos_.y(), false);
-}
-
-void TooltipManagerViews::ShowKeyboardTooltip(View* view) {
-  NOTREACHED();
-}
-
-void TooltipManagerViews::HideKeyboardTooltip() {
-  NOTREACHED();
-}
-
-void TooltipManagerViews::TooltipTimerFired() {
-  UpdateIfRequired(curr_mouse_pos_.x(), curr_mouse_pos_.y(), false);
-}
-
-View* TooltipManagerViews::GetViewForTooltip(int x, int y, bool for_keyboard) {
-  View* view = NULL;
-  if (!for_keyboard) {
-    // Convert x,y from screen coordinates to |root_view_| coordinates.
-    gfx::Point point(x, y);
-    View::ConvertPointFromWidget(root_view_, &point);
-    view = root_view_->GetEventHandlerForPoint(point);
-  } else {
-    FocusManager* focus_manager = root_view_->GetFocusManager();
-    if (focus_manager)
-      view = focus_manager->GetFocusedView();
-  }
-  return view;
-}
-
-void TooltipManagerViews::UpdateIfRequired(int x, int y, bool for_keyboard) {
-  View* view = GetViewForTooltip(x, y, for_keyboard);
-  string16 tooltip_text;
-  if (view)
-    view->GetTooltipText(gfx::Point(x, y), &tooltip_text);
-
-#if defined(USE_AURA)
-  // In aura, and aura::Window can also have a tooltip. If the view doesnot have
-  // a tooltip, we must also check for the aura::Window underneath the cursor.
-  if (tooltip_text.empty()) {
-    aura::Window* root = reinterpret_cast<aura::Window*>(
-        root_view_->GetWidget()->GetNativeView());
-    if (root) {
-      aura::Window* window = root->GetEventHandlerForPoint(gfx::Point(x, y));
-      if (window) {
-        void* property = window->GetProperty(aura::kTooltipTextKey);
-        if (property)
-          tooltip_text = *reinterpret_cast<string16*>(property);
-      }
-    }
-  }
-#endif
-
-  if (tooltip_view_ != view || tooltip_text_ != tooltip_text) {
-    tooltip_view_ = view;
-    tooltip_text_ = tooltip_text;
-    Update();
-  }
-}
-
-void TooltipManagerViews::Update() {
-  if (tooltip_text_.empty()) {
-    tooltip_widget_->Hide();
-  } else {
-    int max_width, line_count;
-    string16 tooltip_text(tooltip_text_);
-    TrimTooltipToFit(&tooltip_text, &max_width, &line_count,
-                     curr_mouse_pos_.x(), curr_mouse_pos_.y());
-    tooltip_label_.SetText(tooltip_text);
-
-    SetTooltipBounds(curr_mouse_pos_, max_width,
-                     tooltip_label_.GetPreferredSize().height());
-    tooltip_widget_->Show();
-  }
-}
-
-void TooltipManagerViews::SetTooltipBounds(gfx::Point mouse_pos,
-                                           int tooltip_width,
-                                           int tooltip_height) {
-  gfx::Rect tooltip_rect(mouse_pos.x(), mouse_pos.y(), tooltip_width,
-                         tooltip_height);
-
-  tooltip_rect.Offset(kCursorOffsetX, kCursorOffsetY);
-  gfx::Rect monitor_bounds =
-      gfx::Screen::GetMonitorAreaNearestPoint(tooltip_rect.origin());
-  tooltip_widget_->SetBounds(tooltip_rect.AdjustToFit(monitor_bounds));
-}
-
-Widget* TooltipManagerViews::CreateTooltip() {
-  Widget* widget = new Widget;
-  Widget::InitParams params;
-  // For aura, since we set the type to TOOLTIP_TYPE, the widget will get
-  // auto-parented to the MenuAndTooltipsContainer.
-  params.type = Widget::InitParams::TYPE_TOOLTIP;
-  params.keep_on_top = true;
-  params.accept_events = false;
-  params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
-  widget->Init(params);
-  widget->SetOpacity(0xFF);
-  return widget;
-}
-
-void TooltipManagerViews::OnMouseMoved(int x, int y) {
-  if (tooltip_timer_.IsRunning())
-    tooltip_timer_.Reset();
-  curr_mouse_pos_.SetPoint(x, y);
-
-  // If tooltip is visible, we may want to hide it. If it is not, we are ok.
-  if (tooltip_widget_->IsVisible())
-    UpdateIfRequired(curr_mouse_pos_.x(), curr_mouse_pos_.y(), false);
-}
-
-}  // namespace views