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| 1 // Copyright (c) 2012 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 #ifndef UI_VIEWS_BUBBLE_BUBBLE_DELEGATE_H_ | |
| 6 #define UI_VIEWS_BUBBLE_BUBBLE_DELEGATE_H_ | |
| 7 | |
| 8 #include "base/gtest_prod_util.h" | |
| 9 #include "base/macros.h" | |
| 10 #include "ui/views/bubble/bubble_border.h" | |
| 11 #include "ui/views/widget/widget.h" | |
| 12 #include "ui/views/widget/widget_delegate.h" | |
| 13 #include "ui/views/widget/widget_observer.h" | |
| 14 | |
| 15 namespace gfx { | |
| 16 class FontList; | |
| 17 class Rect; | |
| 18 } | |
| 19 | |
| 20 namespace views { | |
| 21 | |
| 22 class BubbleFrameView; | |
| 23 | |
| 24 // BubbleDelegateView creates frame and client views for bubble Widgets. | |
| 25 // BubbleDelegateView itself is the client's contents view. | |
| 26 // TODO(estade): remove this in favor of BubbleDialogDelegateView. | |
| 27 class VIEWS_EXPORT BubbleDelegateView : public WidgetDelegateView, | |
| 28 public WidgetObserver { | |
| 29 public: | |
| 30 // Internal class name. | |
| 31 static const char kViewClassName[]; | |
| 32 | |
| 33 enum class CloseReason { | |
| 34 DEACTIVATION, | |
| 35 ESCAPE, | |
| 36 CLOSE_BUTTON, | |
| 37 UNKNOWN, | |
| 38 }; | |
| 39 | |
| 40 BubbleDelegateView(); | |
| 41 BubbleDelegateView(View* anchor_view, BubbleBorder::Arrow arrow); | |
| 42 ~BubbleDelegateView() override; | |
| 43 | |
| 44 // Create and initialize the bubble Widget(s) with proper bounds. | |
| 45 static Widget* CreateBubble(BubbleDelegateView* bubble_delegate); | |
| 46 | |
| 47 // WidgetDelegateView overrides: | |
| 48 BubbleDelegateView* AsBubbleDelegate() override; | |
| 49 bool ShouldShowCloseButton() const override; | |
| 50 View* GetContentsView() override; | |
| 51 NonClientFrameView* CreateNonClientFrameView(Widget* widget) override; | |
| 52 void GetAccessibleState(ui::AXViewState* state) override; | |
| 53 const char* GetClassName() const override; | |
| 54 | |
| 55 // WidgetObserver overrides: | |
| 56 void OnWidgetClosing(Widget* widget) override; | |
| 57 void OnWidgetDestroying(Widget* widget) override; | |
| 58 void OnWidgetVisibilityChanging(Widget* widget, bool visible) override; | |
| 59 void OnWidgetVisibilityChanged(Widget* widget, bool visible) override; | |
| 60 void OnWidgetActivationChanged(Widget* widget, bool active) override; | |
| 61 void OnWidgetBoundsChanged(Widget* widget, | |
| 62 const gfx::Rect& new_bounds) override; | |
| 63 | |
| 64 bool close_on_esc() const { return close_on_esc_; } | |
| 65 void set_close_on_esc(bool close_on_esc) { close_on_esc_ = close_on_esc; } | |
| 66 | |
| 67 bool close_on_deactivate() const { return close_on_deactivate_; } | |
| 68 void set_close_on_deactivate(bool close) { close_on_deactivate_ = close; } | |
| 69 | |
| 70 View* GetAnchorView() const; | |
| 71 Widget* anchor_widget() const { return anchor_widget_; } | |
| 72 | |
| 73 // The anchor rect is used in the absence of an assigned anchor view. | |
| 74 const gfx::Rect& anchor_rect() const { return anchor_rect_; } | |
| 75 | |
| 76 BubbleBorder::Arrow arrow() const { return arrow_; } | |
| 77 void set_arrow(BubbleBorder::Arrow arrow) { arrow_ = arrow; } | |
| 78 | |
| 79 BubbleBorder::Shadow shadow() const { return shadow_; } | |
| 80 void set_shadow(BubbleBorder::Shadow shadow) { shadow_ = shadow; } | |
| 81 | |
| 82 SkColor color() const { return color_; } | |
| 83 void set_color(SkColor color) { | |
| 84 color_ = color; | |
| 85 color_explicitly_set_ = true; | |
| 86 } | |
| 87 | |
| 88 const gfx::Insets& margins() const { return margins_; } | |
| 89 void set_margins(const gfx::Insets& margins) { margins_ = margins; } | |
| 90 | |
| 91 const gfx::Insets& anchor_view_insets() const { return anchor_view_insets_; } | |
| 92 void set_anchor_view_insets(const gfx::Insets& i) { anchor_view_insets_ = i; } | |
| 93 | |
| 94 gfx::NativeView parent_window() const { return parent_window_; } | |
| 95 void set_parent_window(gfx::NativeView window) { parent_window_ = window; } | |
| 96 | |
| 97 bool accept_events() const { return accept_events_; } | |
| 98 void set_accept_events(bool accept_events) { accept_events_ = accept_events; } | |
| 99 | |
| 100 bool border_accepts_events() const { return border_accepts_events_; } | |
| 101 void set_border_accepts_events(bool event) { border_accepts_events_ = event; } | |
| 102 | |
| 103 bool adjust_if_offscreen() const { return adjust_if_offscreen_; } | |
| 104 void set_adjust_if_offscreen(bool adjust) { adjust_if_offscreen_ = adjust; } | |
| 105 | |
| 106 CloseReason close_reason() const { return close_reason_; } | |
| 107 | |
| 108 // Get the arrow's anchor rect in screen space. | |
| 109 virtual gfx::Rect GetAnchorRect() const; | |
| 110 | |
| 111 // Allows delegates to provide custom parameters before widget initialization. | |
| 112 virtual void OnBeforeBubbleWidgetInit(Widget::InitParams* params, | |
| 113 Widget* widget) const; | |
| 114 | |
| 115 // Creates and returns a view to be displayed at the bottom of the bubble. | |
| 116 virtual View* CreateFootnoteView(); | |
| 117 | |
| 118 // Sets |margins_| to a default picked for smaller bubbles. | |
| 119 void UseCompactMargins(); | |
| 120 | |
| 121 // Sets the bubble alignment relative to the anchor. This may only be called | |
| 122 // after calling CreateBubble. | |
| 123 void SetAlignment(BubbleBorder::BubbleAlignment alignment); | |
| 124 | |
| 125 // Sets the bubble arrow paint type. | |
| 126 void SetArrowPaintType(BubbleBorder::ArrowPaintType paint_type); | |
| 127 | |
| 128 // Call this method when the anchor bounds have changed to reposition the | |
| 129 // bubble. The bubble is automatically repositioned when the anchor view | |
| 130 // bounds change as a result of the widget's bounds changing. | |
| 131 void OnAnchorBoundsChanged(); | |
| 132 | |
| 133 protected: | |
| 134 // Get bubble bounds from the anchor rect and client view's preferred size. | |
| 135 virtual gfx::Rect GetBubbleBounds(); | |
| 136 | |
| 137 // Return a FontList to use for the title of the bubble. | |
| 138 // (The default is MediumFont). | |
| 139 virtual const gfx::FontList& GetTitleFontList() const; | |
| 140 | |
| 141 // View overrides: | |
| 142 bool AcceleratorPressed(const ui::Accelerator& accelerator) override; | |
| 143 void OnNativeThemeChanged(const ui::NativeTheme* theme) override; | |
| 144 | |
| 145 // Perform view initialization on the contents for bubble sizing. | |
| 146 virtual void Init(); | |
| 147 | |
| 148 // Sets the anchor view or rect and repositions the bubble. Note that if a | |
| 149 // valid view gets passed, the anchor rect will get ignored. If the view gets | |
| 150 // deleted, but no new view gets set, the last known anchor postion will get | |
| 151 // returned. | |
| 152 void SetAnchorView(View* anchor_view); | |
| 153 void SetAnchorRect(const gfx::Rect& rect); | |
| 154 | |
| 155 // Resize and potentially move the bubble to fit the content's preferred size. | |
| 156 void SizeToContents(); | |
| 157 | |
| 158 BubbleFrameView* GetBubbleFrameView() const; | |
| 159 | |
| 160 private: | |
| 161 friend class BubbleBorderDelegate; | |
| 162 friend class BubbleWindowTargeter; | |
| 163 | |
| 164 FRIEND_TEST_ALL_PREFIXES(BubbleDelegateTest, CreateDelegate); | |
| 165 FRIEND_TEST_ALL_PREFIXES(BubbleDelegateTest, NonClientHitTest); | |
| 166 | |
| 167 // Update the bubble color from |theme|, unless it was explicitly set. | |
| 168 void UpdateColorsFromTheme(const ui::NativeTheme* theme); | |
| 169 | |
| 170 // Handles widget visibility changes. | |
| 171 void HandleVisibilityChanged(Widget* widget, bool visible); | |
| 172 | |
| 173 // Flags controlling bubble closure on the escape key and deactivation. | |
| 174 bool close_on_esc_; | |
| 175 bool close_on_deactivate_; | |
| 176 | |
| 177 // The view and widget to which this bubble is anchored. Since an anchor view | |
| 178 // can be deleted without notice, we store it in the ViewStorage and retrieve | |
| 179 // it from there. It will make sure that the view is still valid. | |
| 180 const int anchor_view_storage_id_; | |
| 181 Widget* anchor_widget_; | |
| 182 | |
| 183 // The anchor rect used in the absence of an anchor view. | |
| 184 mutable gfx::Rect anchor_rect_; | |
| 185 | |
| 186 // The arrow's location on the bubble. | |
| 187 BubbleBorder::Arrow arrow_; | |
| 188 | |
| 189 // Bubble border shadow to use. | |
| 190 BubbleBorder::Shadow shadow_; | |
| 191 | |
| 192 // The background color of the bubble; and flag for when it's explicitly set. | |
| 193 SkColor color_; | |
| 194 bool color_explicitly_set_; | |
| 195 | |
| 196 // The margins between the content and the inside of the border. | |
| 197 gfx::Insets margins_; | |
| 198 | |
| 199 // Insets applied to the |anchor_view_| bounds. | |
| 200 gfx::Insets anchor_view_insets_; | |
| 201 | |
| 202 // Specifies whether the bubble (or its border) handles mouse events, etc. | |
| 203 bool accept_events_; | |
| 204 bool border_accepts_events_; | |
| 205 | |
| 206 // If true (defaults to true), the arrow may be mirrored and moved to fit the | |
| 207 // bubble on screen better. It would be a no-op if the bubble has no arrow. | |
| 208 bool adjust_if_offscreen_; | |
| 209 | |
| 210 // Parent native window of the bubble. | |
| 211 gfx::NativeView parent_window_; | |
| 212 | |
| 213 CloseReason close_reason_; | |
| 214 | |
| 215 DISALLOW_COPY_AND_ASSIGN(BubbleDelegateView); | |
| 216 }; | |
| 217 | |
| 218 } // namespace views | |
| 219 | |
| 220 #endif // UI_VIEWS_BUBBLE_BUBBLE_DELEGATE_H_ | |
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Chromium Code Reviews
Issue 1922813002:
Vanquish views::BubbleDelegate{View,} (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master