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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/popup_menu_helper_mac.h"
#include "base/numerics/safe_conversions.h"
#import "content/app_shim_remote_cocoa/render_widget_host_view_cocoa.h"
#include "content/browser/permissions/permission_controller_impl.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_mac.h"
#include "content/common/content_export.h"
#include "content/public/browser/web_contents.h"
#import "ui/base/cocoa/base_view.h"
namespace content {
namespace {
bool g_allow_showing_popup_menus = true;
} // namespace
PopupMenuHelper::PopupMenuHelper(
Delegate* delegate,
RenderFrameHost* render_frame_host,
mojo::PendingRemote<blink::mojom::PopupMenuClient> popup_client)
: delegate_(delegate),
render_frame_host_(
static_cast<RenderFrameHostImpl*>(render_frame_host)->GetWeakPtr()),
popup_client_(std::move(popup_client)) {
RenderWidgetHost* widget_host =
render_frame_host->GetRenderViewHost()->GetWidget();
observation_.Observe(widget_host);
popup_client_.set_disconnect_handler(
base::BindOnce(&PopupMenuHelper::Hide, weak_ptr_factory_.GetWeakPtr()));
}
PopupMenuHelper::~PopupMenuHelper() {
Hide();
}
void PopupMenuHelper::ShowPopupMenu(
const gfx::Rect& bounds,
double item_font_size,
int selected_item,
std::vector<blink::mojom::MenuItemPtr> items,
bool right_aligned,
bool allow_multiple_selection) {
// Only single selection list boxes show a popup on Mac.
DCHECK(!allow_multiple_selection);
if (!g_allow_showing_popup_menus)
return;
RenderWidgetHostViewMac* rwhvm = GetRenderWidgetHostView();
auto* web_contents = rwhvm->GetWebContents();
// Convert element_bounds to be in screen.
gfx::Rect client_area = web_contents->GetContainerBounds();
gfx::Rect bounds_in_screen = bounds + client_area.OffsetFromOrigin();
// The new popup menu would overlap the permission prompt, which could lead to
// users making decisions based on incorrect information. We should close the
// popup if it intersects with the permission prompt.
auto permission_exclusion_area_bounds =
PermissionControllerImpl::FromBrowserContext(
web_contents->GetBrowserContext())
->GetExclusionAreaBoundsInScreen(web_contents);
if (permission_exclusion_area_bounds &&
permission_exclusion_area_bounds->Intersects(bounds_in_screen)) {
popup_client_->DidCancel();
delegate_->OnMenuClosed(); // May delete |this|.
return;
}
remote_runner_.reset();
rwhvm->GetNSView()->DisplayPopupMenu(
remote_cocoa::mojom::PopupMenu::New(
std::move(items), bounds, item_font_size, right_aligned,
selected_item, remote_runner_.BindNewPipeAndPassReceiver()),
base::BindOnce(&PopupMenuHelper::PopupMenuClosed,
weak_ptr_factory_.GetWeakPtr()));
}
void PopupMenuHelper::Hide() {
if (remote_runner_) {
remote_runner_->Hide();
}
popup_was_hidden_ = true;
popup_client_.reset();
}
RenderWidgetHostViewMac* PopupMenuHelper::GetRenderWidgetHostView() const {
return static_cast<RenderWidgetHostViewMac*>(
render_frame_host_->GetOutermostMainFrameOrEmbedder()->GetView());
}
void PopupMenuHelper::RenderWidgetHostVisibilityChanged(
RenderWidgetHost* widget_host,
bool became_visible) {
if (!became_visible)
Hide();
}
void PopupMenuHelper::RenderWidgetHostDestroyed(RenderWidgetHost* widget_host) {
DCHECK(observation_.IsObservingSource(widget_host));
observation_.Reset();
}
void PopupMenuHelper::PopupMenuClosed(std::optional<uint32_t> selected_item) {
// The RenderFrameHost may be deleted while running the menu, or it may have
// requested the close. Don't notify in these cases.
if (popup_client_ && !popup_was_hidden_) {
if (selected_item.has_value()) {
popup_client_->DidAcceptIndices(
{base::saturated_cast<int32_t>(*selected_item)});
} else {
popup_client_->DidCancel();
}
}
delegate_->OnMenuClosed(); // May delete |this|.
}
// As declared in //content/public/browser/popup_menu.h.
CONTENT_EXPORT void DontShowPopupMenus() {
g_allow_showing_popup_menus = false;
}
} // namespace content
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