| // Copyright (c) 2012 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. |
| |
| #ifndef UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_VIEW_H_ |
| #define UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_VIEW_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "third_party/skia/include/core/SkScalar.h" |
| #include "ui/views/controls/textfield/textfield_controller.h" |
| #include "ui/views/views_export.h" |
| #include "ui/views/widget/widget_delegate.h" |
| |
| namespace views { |
| |
| class ColorChooserListener; |
| class Textfield; |
| |
| // ColorChooserView provides the UI to choose a color by mouse and/or keyboard. |
| // It is typically used for <input type="color">. Currently the user can |
| // choose a color by dragging over the bar for hue and the area for saturation |
| // and value. |
| class VIEWS_EXPORT ColorChooserView : public WidgetDelegateView, |
| public TextfieldController { |
| public: |
| ColorChooserView(ColorChooserListener* listener, SkColor initial_color); |
| ~ColorChooserView() override; |
| |
| // Called when its color value is changed in the web contents. |
| void OnColorChanged(SkColor color); |
| |
| // Called when the user chooses a hue from the UI. |
| void OnHueChosen(SkScalar hue); |
| |
| // Called when the user chooses saturation/value from the UI. |
| void OnSaturationValueChosen(SkScalar saturation, SkScalar value); |
| |
| float hue() const { return hsv_[0]; } |
| float saturation() const { return hsv_[1]; } |
| float value() const { return hsv_[2]; } |
| void set_listener(ColorChooserListener* listener) { listener_ = listener; } |
| |
| private: |
| class HueView; |
| class SaturationValueView; |
| class SelectedColorPatchView; |
| |
| // WidgetDelegate overrides: |
| bool CanMinimize() const override; |
| View* GetInitiallyFocusedView() override; |
| ui::ModalType GetModalType() const override; |
| void WindowClosing() override; |
| |
| // TextfieldController overrides: |
| void ContentsChanged(Textfield* sender, |
| const base::string16& new_contents) override; |
| bool HandleKeyEvent(Textfield* sender, |
| const ui::KeyEvent& key_event) override; |
| |
| // The current color in HSV coordinate. |
| SkScalar hsv_[3]; |
| |
| // The pointer to the current color chooser for callbacks. It doesn't take |
| // ownership on |listener_| so the user of this class should take care of |
| // its lifetime. See chrome/browser/ui/browser.cc for example. |
| ColorChooserListener* listener_; |
| |
| // Child views. These are owned as part of the normal views hierarchy. |
| // The view of hue chooser. |
| HueView* hue_; |
| |
| // The view of saturation/value choosing area. |
| SaturationValueView* saturation_value_; |
| |
| // The textfield to write the color explicitly. |
| Textfield* textfield_; |
| |
| // The rectangle to denote the selected color. |
| SelectedColorPatchView* selected_color_patch_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ColorChooserView); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_VIEW_H_ |