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https://bitbucket.org/chromiumembedded/cef
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111 lines
4.0 KiB
C++
111 lines
4.0 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/animation/ink_drop.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()->GetState();
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views::Button::ButtonState new_state =
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static_cast<views::Button::ButtonState>(state);
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if (views::InkDrop::Get(ParentClass::root_view())->ink_drop_mode() !=
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views::InkDropHost::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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views::InkDrop::Get(ParentClass::root_view())
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->AnimateToState(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()->GetState());
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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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views::InkDrop::Get(ParentClass::root_view())
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->SetMode(enabled ? views::InkDropHost::InkDropMode::ON
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: views::InkDropHost::InkDropMode::OFF);
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if (enabled) {
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views::InkDrop::Get(ParentClass::root_view())
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->SetBaseColor(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()->SetRequestFocusOnPress(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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