/* ============================================================================== This file is part of the JUCE library. Copyright (c) 2022 - Raw Material Software Limited JUCE is an open source library subject to commercial or open-source licensing. By using JUCE, you agree to the terms of both the JUCE 7 End-User License Agreement and JUCE Privacy Policy. End User License Agreement: www.juce.com/juce-7-licence Privacy Policy: www.juce.com/juce-privacy-policy Or: You may also use this code under the terms of the GPL v3 (see www.gnu.org/licenses). JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE DISCLAIMED. ============================================================================== */ namespace juce::detail { //============================================================================== class ButtonAccessibilityHandler : public AccessibilityHandler { public: ButtonAccessibilityHandler (Button& buttonToWrap, AccessibilityRole roleIn) : AccessibilityHandler (buttonToWrap, isRadioButton (buttonToWrap) ? AccessibilityRole::radioButton : roleIn, getAccessibilityActions (buttonToWrap), getAccessibilityInterfaces (buttonToWrap)), button (buttonToWrap) {} AccessibleState getCurrentState() const override { auto state = AccessibilityHandler::getCurrentState(); if (button.isToggleable()) { state = state.withCheckable(); if (button.getToggleState()) state = state.withChecked(); } return state; } String getTitle() const override { auto title = AccessibilityHandler::getTitle(); if (title.isEmpty()) return button.getButtonText(); return title; } String getHelp() const override { return button.getTooltip(); } private: class ButtonValueInterface : public AccessibilityTextValueInterface { public: explicit ButtonValueInterface (Button& buttonToWrap) : button (buttonToWrap) { } bool isReadOnly() const override { return true; } String getCurrentValueAsString() const override { return button.getToggleState() ? "On" : "Off"; } void setValueAsString (const String&) override {} private: Button& button; //============================================================================== JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonValueInterface) }; static bool isRadioButton (const Button& button) noexcept { return button.getRadioGroupId() != 0; } static AccessibilityActions getAccessibilityActions (Button& button) { auto actions = AccessibilityActions().addAction (AccessibilityActionType::press, [&button] { button.triggerClick(); }); if (button.isToggleable()) actions = actions.addAction (AccessibilityActionType::toggle, [&button] { button.setToggleState (! button.getToggleState(), sendNotification); }); return actions; } static Interfaces getAccessibilityInterfaces (Button& button) { if (button.isToggleable()) return { std::make_unique (button) }; return {}; } Button& button; //============================================================================== JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonAccessibilityHandler) }; } // namespace juce::detail