| // Copyright 2017 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 CHROME_BROWSER_VR_ELEMENTS_BUTTON_H_ |
| #define CHROME_BROWSER_VR_ELEMENTS_BUTTON_H_ |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "chrome/browser/vr/elements/draw_phase.h" |
| #include "chrome/browser/vr/elements/ui_element.h" |
| #include "chrome/browser/vr/model/color_scheme.h" |
| #include "chrome/browser/vr/vr_ui_export.h" |
| |
| namespace gfx { |
| class PointF; |
| } // namespace gfx |
| |
| namespace vr { |
| |
| class Rect; |
| |
| // Button has a rounded rectangle as the background and a hit plane as the |
| // foreground. When hovered, background and foreground both move forward on Z |
| // axis. This matches the Daydream disk-style button. Subclasses may add |
| // arbitrary non-hit-testable elements as children of the background, if |
| // desired. |
| class VR_UI_EXPORT Button : public UiElement { |
| public: |
| explicit Button(base::RepeatingCallback<void()> click_handler, |
| AudioDelegate* audio_delegate); |
| ~Button() override; |
| |
| void Render(UiElementRenderer* renderer, |
| const CameraModel& model) const final; |
| |
| Rect* background() const { return background_; } |
| UiElement* hit_plane() const { return hit_plane_; } |
| void SetButtonColors(const ButtonColors& colors); |
| void SetEnabled(bool enabled); |
| |
| void set_click_handler(base::RepeatingCallback<void()> click_handler) { |
| click_handler_ = click_handler; |
| } |
| |
| // TODO(vollick): once all elements are scaled by a ScaledDepthAdjuster, we |
| // will never have to change the button hover offset from the default and this |
| // method and the associated field can be removed. |
| void set_hover_offset(float hover_offset) { hover_offset_ = hover_offset; } |
| |
| void set_disabled_sounds(const Sounds& sounds) { disabled_sounds_ = sounds; } |
| |
| bool hovered() const { return hovered_; } |
| bool down() const { return down_; } |
| bool pressed() const { return pressed_; } |
| bool enabled() const { return enabled_; } |
| |
| protected: |
| const ButtonColors& colors() const { return colors_; } |
| float hover_offset() const { return hover_offset_; } |
| |
| void OnSetDrawPhase() override; |
| void OnSetName() override; |
| void OnSetSize(const gfx::SizeF& size) override; |
| void OnSetCornerRadii(const CornerRadii& radii) override; |
| void NotifyClientSizeAnimated(const gfx::SizeF& size, |
| int target_property_id, |
| cc::KeyframeModel* keyframe_model) override; |
| virtual void OnStateUpdated(); |
| |
| private: |
| void HandleHoverEnter(); |
| void HandleHoverMove(const gfx::PointF& position); |
| void HandleHoverLeave(); |
| void HandleButtonDown(); |
| void HandleButtonUp(); |
| |
| virtual void OnSetColors(const ButtonColors& colors); |
| |
| const Sounds& GetSounds() const override; |
| |
| bool down_ = false; |
| bool hovered_ = false; |
| bool pressed_ = false; |
| bool enabled_ = true; |
| base::RepeatingCallback<void()> click_handler_; |
| ButtonColors colors_; |
| float hover_offset_; |
| Rect* background_; |
| UiElement* hit_plane_; |
| Sounds disabled_sounds_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Button); |
| }; |
| |
| } // namespace vr |
| |
| #endif // CHROME_BROWSER_VR_ELEMENTS_BUTTON_H_ |