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			109 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2016 The Chromium Embedded Framework Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be found
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// in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_VIEWS_BUTTON_IMPL_H_
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#define CEF_LIBCEF_BROWSER_VIEWS_BUTTON_IMPL_H_
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#pragma once
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#include "include/views/cef_button.h"
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#include "include/views/cef_label_button.h"
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#include "libcef/browser/views/view_impl.h"
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#include "base/logging.h"
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#include "ui/gfx/color_utils.h"
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#include "ui/views/controls/button/button.h"
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// Helpers for template boiler-plate.
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#define CEF_BUTTON_IMPL_T CEF_VIEW_IMPL_T
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#define CEF_BUTTON_IMPL_A CEF_VIEW_IMPL_A
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#define CEF_BUTTON_IMPL_D CefButtonImpl<CEF_BUTTON_IMPL_A>
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// Template for implementing CefButton-derived classes. See comments in
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// view_impl.h for a usage overview.
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CEF_BUTTON_IMPL_T class CefButtonImpl : public CEF_VIEW_IMPL_D {
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 public:
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  typedef CEF_VIEW_IMPL_D ParentClass;
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  // CefButton methods. When adding new As*() methods make sure to update
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  // CefViewAdapter::GetFor() in view_adapter.cc.
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  CefRefPtr<CefLabelButton> AsLabelButton() override { return nullptr; }
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  void SetState(cef_button_state_t state) override;
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  cef_button_state_t GetState() override;
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  void SetInkDropEnabled(bool enabled) override;
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  void SetTooltipText(const CefString& tooltip_text) override;
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  void SetAccessibleName(const CefString& name) override;
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  // CefView methods:
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  CefRefPtr<CefButton> AsButton() override { return this; }
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  void SetFocusable(bool focusable) override;
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 protected:
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  // Create a new implementation object.
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  // Always call Initialize() after creation.
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  // |delegate| may be nullptr.
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  explicit CefButtonImpl(CefRefPtr<CefViewDelegateClass> delegate)
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      : ParentClass(delegate) {}
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};
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CEF_BUTTON_IMPL_T void CEF_BUTTON_IMPL_D::SetState(cef_button_state_t state) {
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  CEF_REQUIRE_VALID_RETURN_VOID();
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  views::Button::ButtonState old_state = ParentClass::root_view()->state();
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  views::Button::ButtonState new_state =
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      static_cast<views::Button::ButtonState>(state);
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  if (ParentClass::root_view()->ink_drop_mode() !=
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          views::Button::InkDropMode::OFF &&
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      !ParentClass::root_view()->IsFocusable()) {
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    // Ink drop state does not get set properly on state change when the button
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    // is non-focusable.
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    views::InkDropState ink_state = views::InkDropState::HIDDEN;
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    if (new_state == views::Button::STATE_PRESSED) {
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      ink_state = views::InkDropState::ACTIVATED;
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    } else if (old_state == views::Button::STATE_PRESSED) {
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      ink_state = views::InkDropState::DEACTIVATED;
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    }
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    ParentClass::root_view()->AnimateInkDrop(ink_state, nullptr);
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  }
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  ParentClass::root_view()->SetState(new_state);
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}
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CEF_BUTTON_IMPL_T cef_button_state_t CEF_BUTTON_IMPL_D::GetState() {
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  CEF_REQUIRE_VALID_RETURN(CEF_BUTTON_STATE_NORMAL);
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  return static_cast<cef_button_state_t>(ParentClass::root_view()->state());
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}
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CEF_BUTTON_IMPL_T void CEF_BUTTON_IMPL_D::SetInkDropEnabled(bool enabled) {
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  CEF_REQUIRE_VALID_RETURN_VOID();
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  ParentClass::root_view()->SetInkDropMode(
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      enabled ? views::InkDropHostView::InkDropMode::ON
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              : views::InkDropHostView::InkDropMode::OFF);
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  if (enabled) {
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    ParentClass::root_view()->set_ink_drop_base_color(
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        color_utils::BlendTowardMaxContrast(
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            ParentClass::root_view()->background()->get_color(), 0x61));
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  }
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}
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CEF_BUTTON_IMPL_T void CEF_BUTTON_IMPL_D::SetTooltipText(
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    const CefString& tooltip_text) {
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  CEF_REQUIRE_VALID_RETURN_VOID();
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  ParentClass::root_view()->SetTooltipText(tooltip_text);
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}
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CEF_BUTTON_IMPL_T void CEF_BUTTON_IMPL_D::SetAccessibleName(
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    const CefString& name) {
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  CEF_REQUIRE_VALID_RETURN_VOID();
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  ParentClass::root_view()->SetAccessibleName(name);
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}
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CEF_BUTTON_IMPL_T void CEF_BUTTON_IMPL_D::SetFocusable(bool focusable) {
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  CEF_REQUIRE_VALID_RETURN_VOID();
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  ParentClass::root_view()->set_request_focus_on_press(focusable);
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  ParentClass::SetFocusable(focusable);
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}
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#endif  // CEF_LIBCEF_BROWSER_VIEWS_BUTTON_IMPL_H_
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