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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ash/common/shelf/shelf_tooltip_manager.h" | |
| 6 | |
| 7 #include "ash/common/shelf/shelf_view.h" | |
| 8 #include "ash/common/shelf/wm_shelf.h" | |
| 9 #include "ash/common/wm_shell.h" | |
| 10 #include "ash/common/wm_window.h" | |
| 11 #include "ash/public/cpp/shell_window_ids.h" | |
| 12 #include "ash/root_window_controller.h" | |
| 13 #include "ash/system/tray/tray_constants.h" | |
| 14 #include "base/bind.h" | |
| 15 #include "base/strings/string16.h" | |
| 16 #include "base/threading/thread_task_runner_handle.h" | |
| 17 #include "base/time/time.h" | |
| 18 #include "ui/base/material_design/material_design_controller.h" | |
| 19 #include "ui/events/event.h" | |
| 20 #include "ui/events/event_constants.h" | |
| 21 #include "ui/gfx/geometry/insets.h" | |
| 22 #include "ui/views/bubble/bubble_dialog_delegate.h" | |
| 23 #include "ui/views/controls/label.h" | |
| 24 #include "ui/views/layout/fill_layout.h" | |
| 25 #include "ui/views/widget/widget.h" | |
| 26 | |
| 27 namespace ash { | |
| 28 namespace { | |
| 29 | |
| 30 const int kTooltipAppearanceDelay = 1000; // msec | |
| 31 | |
| 32 // Tooltip layout constants. | |
| 33 | |
| 34 // Shelf item tooltip height. | |
| 35 const int kTooltipHeight = 24; | |
| 36 | |
| 37 // The maximum width of the tooltip bubble. Borrowed the value from | |
| 38 // ash/tooltip/tooltip_controller.cc | |
| 39 const int kTooltipMaxWidth = 250; | |
| 40 | |
| 41 // Shelf item tooltip internal text margins. | |
| 42 const int kTooltipTopBottomMargin = 4; | |
| 43 const int kTooltipLeftRightMargin = 8; | |
| 44 | |
| 45 // The offset for the tooltip bubble - making sure that the bubble is spaced | |
| 46 // with a fixed gap. The gap is accounted for by the transparent arrow in the | |
| 47 // bubble and an additional 1px padding for the shelf item views. | |
| 48 const int kArrowTopBottomOffset = 1; | |
| 49 const int kArrowLeftRightOffset = 1; | |
| 50 | |
| 51 // Tooltip's border interior thickness that defines its minimum height. | |
| 52 const int kBorderInteriorThickness = kTooltipHeight / 2; | |
| 53 | |
| 54 } // namespace | |
| 55 | |
| 56 // The implementation of tooltip of the launcher. | |
| 57 class ShelfTooltipManager::ShelfTooltipBubble | |
| 58 : public views::BubbleDialogDelegateView { | |
| 59 public: | |
| 60 ShelfTooltipBubble(views::View* anchor, | |
| 61 views::BubbleBorder::Arrow arrow, | |
| 62 const base::string16& text) | |
| 63 : views::BubbleDialogDelegateView(anchor, arrow) { | |
| 64 set_close_on_deactivate(false); | |
| 65 set_can_activate(false); | |
| 66 set_accept_events(false); | |
| 67 set_margins(gfx::Insets(kTooltipTopBottomMargin, kTooltipLeftRightMargin)); | |
| 68 set_shadow(views::BubbleBorder::NO_ASSETS); | |
| 69 SetLayoutManager(new views::FillLayout()); | |
| 70 views::Label* label = new views::Label(text); | |
| 71 label->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 72 ui::NativeTheme* theme = anchor->GetWidget()->GetNativeTheme(); | |
| 73 label->SetEnabledColor( | |
| 74 theme->GetSystemColor(ui::NativeTheme::kColorId_TooltipText)); | |
| 75 SkColor background_color = | |
| 76 theme->GetSystemColor(ui::NativeTheme::kColorId_TooltipBackground); | |
| 77 set_color(background_color); | |
| 78 label->SetBackgroundColor(background_color); | |
| 79 // The background is not opaque, so we can't do subpixel rendering. | |
| 80 label->SetSubpixelRenderingEnabled(false); | |
| 81 AddChildView(label); | |
| 82 | |
| 83 gfx::Insets insets(kArrowTopBottomOffset, kArrowLeftRightOffset); | |
| 84 // Adjust the anchor location for asymmetrical borders of shelf item. | |
| 85 if (anchor->border()) | |
| 86 insets += anchor->border()->GetInsets(); | |
| 87 if (ui::MaterialDesignController::IsSecondaryUiMaterial()) | |
| 88 insets += gfx::Insets(-kBubblePaddingHorizontalBottom); | |
| 89 set_anchor_view_insets(insets); | |
| 90 | |
| 91 views::BubbleDialogDelegateView::CreateBubble(this); | |
| 92 if (!ui::MaterialDesignController::IsSecondaryUiMaterial()) { | |
| 93 // These must both be called after CreateBubble. | |
| 94 SetArrowPaintType(views::BubbleBorder::PAINT_TRANSPARENT); | |
| 95 SetBorderInteriorThickness(kBorderInteriorThickness); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 private: | |
| 100 // BubbleDialogDelegateView overrides: | |
| 101 gfx::Size GetPreferredSize() const override { | |
| 102 const gfx::Size size = BubbleDialogDelegateView::GetPreferredSize(); | |
| 103 const int kTooltipMinHeight = kTooltipHeight - 2 * kTooltipTopBottomMargin; | |
| 104 return gfx::Size(std::min(size.width(), kTooltipMaxWidth), | |
| 105 std::max(size.height(), kTooltipMinHeight)); | |
| 106 } | |
| 107 | |
| 108 void OnBeforeBubbleWidgetInit(views::Widget::InitParams* params, | |
| 109 views::Widget* bubble_widget) const override { | |
| 110 // Place the bubble in the same display as the anchor. | |
| 111 WmWindow::Get(anchor_widget()->GetNativeWindow()) | |
| 112 ->GetRootWindowController() | |
| 113 ->ConfigureWidgetInitParamsForContainer( | |
| 114 bubble_widget, kShellWindowId_SettingBubbleContainer, params); | |
| 115 } | |
| 116 | |
| 117 int GetDialogButtons() const override { return ui::DIALOG_BUTTON_NONE; } | |
| 118 | |
| 119 DISALLOW_COPY_AND_ASSIGN(ShelfTooltipBubble); | |
| 120 }; | |
| 121 | |
| 122 ShelfTooltipManager::ShelfTooltipManager(ShelfView* shelf_view) | |
| 123 : timer_delay_(kTooltipAppearanceDelay), | |
| 124 shelf_view_(shelf_view), | |
| 125 bubble_(nullptr), | |
| 126 weak_factory_(this) { | |
| 127 shelf_view_->wm_shelf()->AddObserver(this); | |
| 128 WmShell::Get()->AddPointerWatcher(this, | |
| 129 views::PointerWatcherEventTypes::BASIC); | |
| 130 } | |
| 131 | |
| 132 ShelfTooltipManager::~ShelfTooltipManager() { | |
| 133 WmShell::Get()->RemovePointerWatcher(this); | |
| 134 shelf_view_->wm_shelf()->RemoveObserver(this); | |
| 135 WmWindow* window = nullptr; | |
| 136 if (shelf_view_->GetWidget()) | |
| 137 window = WmWindow::Get(shelf_view_->GetWidget()->GetNativeWindow()); | |
| 138 if (window) | |
| 139 window->RemoveLimitedPreTargetHandler(this); | |
| 140 } | |
| 141 | |
| 142 void ShelfTooltipManager::Init() { | |
| 143 WmWindow* window = WmWindow::Get(shelf_view_->GetWidget()->GetNativeWindow()); | |
| 144 window->AddLimitedPreTargetHandler(this); | |
| 145 } | |
| 146 | |
| 147 void ShelfTooltipManager::Close() { | |
| 148 timer_.Stop(); | |
| 149 if (bubble_) | |
| 150 bubble_->GetWidget()->Close(); | |
| 151 bubble_ = nullptr; | |
| 152 } | |
| 153 | |
| 154 bool ShelfTooltipManager::IsVisible() const { | |
| 155 return bubble_ && bubble_->GetWidget()->IsVisible(); | |
| 156 } | |
| 157 | |
| 158 views::View* ShelfTooltipManager::GetCurrentAnchorView() const { | |
| 159 return bubble_ ? bubble_->GetAnchorView() : nullptr; | |
| 160 } | |
| 161 | |
| 162 void ShelfTooltipManager::ShowTooltip(views::View* view) { | |
| 163 timer_.Stop(); | |
| 164 if (bubble_) { | |
| 165 // Cancel the hiding animation to hide the old bubble immediately. | |
| 166 WmWindow::Get(bubble_->GetWidget()->GetNativeWindow()) | |
| 167 ->SetVisibilityAnimationTransition(::wm::ANIMATE_NONE); | |
| 168 Close(); | |
| 169 } | |
| 170 | |
| 171 if (!ShouldShowTooltipForView(view)) | |
| 172 return; | |
| 173 | |
| 174 views::BubbleBorder::Arrow arrow = views::BubbleBorder::Arrow::NONE; | |
| 175 switch (shelf_view_->wm_shelf()->GetAlignment()) { | |
| 176 case SHELF_ALIGNMENT_BOTTOM: | |
| 177 case SHELF_ALIGNMENT_BOTTOM_LOCKED: | |
| 178 arrow = views::BubbleBorder::BOTTOM_CENTER; | |
| 179 break; | |
| 180 case SHELF_ALIGNMENT_LEFT: | |
| 181 arrow = views::BubbleBorder::LEFT_CENTER; | |
| 182 break; | |
| 183 case SHELF_ALIGNMENT_RIGHT: | |
| 184 arrow = views::BubbleBorder::RIGHT_CENTER; | |
| 185 break; | |
| 186 } | |
| 187 | |
| 188 base::string16 text = shelf_view_->GetTitleForView(view); | |
| 189 bubble_ = new ShelfTooltipBubble(view, arrow, text); | |
| 190 WmWindow* window = WmWindow::Get(bubble_->GetWidget()->GetNativeWindow()); | |
| 191 window->SetVisibilityAnimationType( | |
| 192 ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL); | |
| 193 window->SetVisibilityAnimationTransition(::wm::ANIMATE_HIDE); | |
| 194 bubble_->GetWidget()->Show(); | |
| 195 } | |
| 196 | |
| 197 void ShelfTooltipManager::ShowTooltipWithDelay(views::View* view) { | |
| 198 if (ShouldShowTooltipForView(view)) { | |
| 199 timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(timer_delay_), | |
| 200 base::Bind(&ShelfTooltipManager::ShowTooltip, | |
| 201 weak_factory_.GetWeakPtr(), view)); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 void ShelfTooltipManager::OnPointerEventObserved( | |
| 206 const ui::PointerEvent& event, | |
| 207 const gfx::Point& location_in_screen, | |
| 208 views::Widget* target) { | |
| 209 // Close on any press events inside or outside the tooltip. | |
| 210 if (event.type() == ui::ET_POINTER_DOWN) | |
| 211 Close(); | |
| 212 } | |
| 213 | |
| 214 void ShelfTooltipManager::OnMouseEvent(ui::MouseEvent* event) { | |
| 215 if (event->type() == ui::ET_MOUSE_EXITED) { | |
| 216 Close(); | |
| 217 return; | |
| 218 } | |
| 219 | |
| 220 if (event->type() != ui::ET_MOUSE_MOVED) | |
| 221 return; | |
| 222 | |
| 223 gfx::Point point = event->location(); | |
| 224 views::View::ConvertPointFromWidget(shelf_view_, &point); | |
| 225 views::View* view = shelf_view_->GetTooltipHandlerForPoint(point); | |
| 226 const bool should_show = ShouldShowTooltipForView(view); | |
| 227 | |
| 228 timer_.Stop(); | |
| 229 if (IsVisible() && should_show && bubble_->GetAnchorView() != view) | |
| 230 ShowTooltip(view); | |
| 231 else if (!IsVisible() && should_show) | |
| 232 ShowTooltipWithDelay(view); | |
| 233 else if (IsVisible() && shelf_view_->ShouldHideTooltip(point)) | |
| 234 Close(); | |
| 235 } | |
| 236 | |
| 237 void ShelfTooltipManager::WillChangeVisibilityState( | |
| 238 ShelfVisibilityState new_state) { | |
| 239 if (new_state == SHELF_HIDDEN) | |
| 240 Close(); | |
| 241 } | |
| 242 | |
| 243 void ShelfTooltipManager::OnAutoHideStateChanged(ShelfAutoHideState new_state) { | |
| 244 if (new_state == SHELF_AUTO_HIDE_HIDDEN) { | |
| 245 timer_.Stop(); | |
| 246 // AutoHide state change happens during an event filter, so immediate close | |
| 247 // may cause a crash in the HandleMouseEvent() after the filter. So we just | |
| 248 // schedule the Close here. | |
| 249 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 250 FROM_HERE, | |
| 251 base::Bind(&ShelfTooltipManager::Close, weak_factory_.GetWeakPtr())); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 bool ShelfTooltipManager::ShouldShowTooltipForView(views::View* view) { | |
| 256 WmShelf* shelf = shelf_view_ ? shelf_view_->wm_shelf() : nullptr; | |
| 257 return shelf && shelf_view_->ShouldShowTooltipForView(view) && | |
| 258 (shelf->GetVisibilityState() == SHELF_VISIBLE || | |
| 259 (shelf->GetVisibilityState() == SHELF_AUTO_HIDE && | |
| 260 shelf->GetAutoHideState() == SHELF_AUTO_HIDE_SHOWN)); | |
| 261 } | |
| 262 | |
| 263 } // namespace ash | |
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Chromium Code Reviews
Issue 2736573002:
chromeos: Move files in //ash/common to //ash, part 2 (Closed)
