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https://bitbucket.org/chromiumembedded/cef
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79 lines
2.8 KiB
C++
79 lines
2.8 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_VIEW_H_
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#define CEF_LIBCEF_BROWSER_VIEWS_BUTTON_VIEW_H_
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#pragma once
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#include "include/views/cef_button_delegate.h"
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#include "libcef/browser/thread_util.h"
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#include "libcef/browser/views/view_view.h"
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#include "base/logging.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_VIEW_T CEF_VIEW_VIEW_T
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#define CEF_BUTTON_VIEW_A CEF_VIEW_VIEW_A
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#define CEF_BUTTON_VIEW_D CefButtonView<CEF_BUTTON_VIEW_A>
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// Template for implementing views::Button-derived classes. The
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// views::Button-derived type passed to this template must extend
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// views::ButtonListener (for example, see LabelButtonEx from
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// basic_label_button_view.h). See comments in view_impl.h for a usage overview.
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CEF_BUTTON_VIEW_T class CefButtonView : public CEF_VIEW_VIEW_D {
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public:
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using ParentClass = CEF_VIEW_VIEW_D;
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// |cef_delegate| may be nullptr.
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template <typename... Args>
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explicit CefButtonView(CefViewDelegateClass* cef_delegate, Args... args)
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: ParentClass(cef_delegate, args...) {}
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// Returns the CefButton associated with this view. See comments on
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// CefViewView::GetCefView.
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CefRefPtr<CefButton> GetCefButton() const {
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CefRefPtr<CefButton> button = ParentClass::GetCefView()->AsButton();
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DCHECK(button);
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return button;
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}
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// views::Button methods:
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void StateChanged(views::Button::ButtonState old_state) override;
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// LabelButtonEx methods:
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void ButtonPressed(const ui::Event& event) override;
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};
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CEF_BUTTON_VIEW_T void CEF_BUTTON_VIEW_D::StateChanged(
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views::Button::ButtonState old_state) {
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ParentClass::StateChanged(old_state);
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if (ParentClass::cef_delegate()) {
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ParentClass::cef_delegate()->OnButtonStateChanged(GetCefButton());
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}
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}
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CEF_BUTTON_VIEW_T void CEF_BUTTON_VIEW_D::ButtonPressed(
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const ui::Event& event) {
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// Callback may trigger new animation state.
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if (ParentClass::cef_delegate()) {
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ParentClass::cef_delegate()->OnButtonPressed(GetCefButton());
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}
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if (views::InkDrop::Get(this)->ink_drop_mode() !=
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views::InkDropHost::InkDropMode::OFF &&
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!ParentClass::IsFocusable() &&
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ParentClass::GetState() != views::Button::STATE_PRESSED) {
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// Ink drop state does not get reset properly on click when the button is
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// non-focusable. Reset the ink drop state here if the state has not been
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// explicitly set to pressed by the OnButtonPressed callback calling
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// SetState (which also sets the ink drop state).
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views::InkDrop::Get(this)->AnimateToState(
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views::InkDropState::HIDDEN, ui::LocatedEvent::FromIfValid(&event));
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}
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}
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#endif // CEF_LIBCEF_BROWSER_VIEWS_BUTTON_VIEW_H_
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