67 lines
2.2 KiB
C++
67 lines
2.2 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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#include "libcef/browser/views/browser_view_view.h"
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#include <optional>
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#include "libcef/browser/views/browser_view_impl.h"
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namespace {
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std::optional<cef_gesture_command_t> GetGestureCommand(
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ui::GestureEvent* event) {
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#if defined(OS_MAC)
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if (event->details().type() == ui::ET_GESTURE_SWIPE) {
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if (event->details().swipe_left()) {
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return cef_gesture_command_t::CEF_GESTURE_COMMAND_BACK;
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} else if (event->details().swipe_right()) {
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return cef_gesture_command_t::CEF_GESTURE_COMMAND_FORWARD;
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}
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}
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#endif
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return std::nullopt;
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}
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} // namespace
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CefBrowserViewView::CefBrowserViewView(CefBrowserViewDelegate* cef_delegate,
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Delegate* browser_view_delegate)
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: ParentClass(cef_delegate), browser_view_delegate_(browser_view_delegate) {
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DCHECK(browser_view_delegate_);
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}
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void CefBrowserViewView::ViewHierarchyChanged(
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const views::ViewHierarchyChangedDetails& details) {
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ParentClass::ViewHierarchyChanged(details);
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if (details.is_add && details.child == this) {
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gfx::Size size = GetPreferredSize();
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if (size.IsEmpty()) {
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// No size was provided for this View. Size it to the parent by default
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// or, depending on the Layout, the browser may be initially 0x0 size and
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// will not display until the parent is next resized (resulting in a call
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// to WebView::OnBoundsChanged). For example, this can happen when adding
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// this View to a CefWindow with FillLayout and then calling
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// CefWindow::Show() without first resizing the CefWindow.
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size = details.parent->GetPreferredSize();
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if (!size.IsEmpty()) {
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SetSize(size);
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}
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}
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browser_view_delegate_->OnBrowserViewAdded();
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}
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}
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void CefBrowserViewView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
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ParentClass::OnBoundsChanged(previous_bounds);
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browser_view_delegate_->OnBoundsChanged();
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}
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void CefBrowserViewView::OnGestureEvent(ui::GestureEvent* event) {
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if (auto command = GetGestureCommand(event)) {
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browser_view_delegate_->OnGestureCommand(*command);
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}
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}
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