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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/constrained_window/native_web_contents_modal_dialog_manager_views_mac.h"
#import <Cocoa/Cocoa.h>
#include "components/constrained_window/constrained_window_views.h"
#include "components/guest_view/browser/guest_view_base.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "content/public/browser/web_contents.h"
#import "ui/gfx/mac/coordinate_conversion.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
using web_modal::WebContentsModalDialogManager;
using web_modal::SingleWebContentsDialogManager;
namespace {
// Sets visibility and mouse events for a Cocoa NSWindow* and an attached sheet.
void SetSheetVisible(gfx::NativeWindow overlay, bool visible) {
CGFloat alpha = visible ? 1.0 : 0.0;
BOOL ignore_events = visible ? NO : YES;
// Don't allow interaction with the tab underneath the overlay.
[overlay setIgnoresMouseEvents:ignore_events];
[[overlay attachedSheet] setAlphaValue:alpha];
[[overlay attachedSheet] setIgnoresMouseEvents:ignore_events];
}
} // namespace
namespace constrained_window {
NativeWebContentsModalDialogManagerViewsMac::
NativeWebContentsModalDialogManagerViewsMac(
gfx::NativeWindow dialog,
web_modal::SingleWebContentsDialogManagerDelegate* native_delegate)
: NativeWebContentsModalDialogManagerViews(dialog, native_delegate) {}
// NativeWebContentsModalDialogManagerViews:
void NativeWebContentsModalDialogManagerViewsMac::OnPositionRequiresUpdate() {
NativeWebContentsModalDialogManagerViews::OnPositionRequiresUpdate();
views::Widget* widget = GetWidget(dialog());
// Because the animation of SFCertificatePanel will change depending on the
// size of the parent, i.e. |widget|, make sure its size is the same as the
// area under the Chrome UI. The origin of the dialog then also needs to be
// updated to position the certificate viewer in the middle horizontally.
content::WebContents* web_contents = native_delegate()->GetWebContents();
// Note: Can't use WebContents container bounds here because it doesn't
// include the DevTool panel width.
CGFloat window_width =
NSWidth([web_contents->GetTopLevelNativeWindow() frame]);
gfx::Rect tab_view_size = web_contents->GetContainerBounds();
widget->SetBounds(gfx::Rect(tab_view_size.x(),
widget->GetWindowBoundsInScreen().y(),
window_width, tab_view_size.height()));
}
void NativeWebContentsModalDialogManagerViewsMac::ShowWidget(
views::Widget* widget) {
NSWindow* dialog_window = widget->GetNativeWindow();
[dialog_window setAlphaValue:0.0];
// Because |dialog_window| is transparent, it won't accept mouse events until
// ignoresMouseEvents is set. NSWindows start off accepting mouse events only
// in non-transparent areas - setting this explicitly will make the NSWindow
// accept mouse events everywhere regardless of window transparency.
[dialog_window setIgnoresMouseEvents:NO];
// Detect whether this is the first call to open the dialog. If yes, do this
// via the normal views method. If not, overlay and sheet are both already
// opened, and should be invisible, so return the sheet to full opacity.
if (![dialog_window attachedSheet]) {
NativeWebContentsModalDialogManagerViews::ShowWidget(widget);
// Make sure the dialog is sized correctly for the correct animations.
OnPositionRequiresUpdate();
return;
}
// Account for window resizes that happen while another tab is open.
OnPositionRequiresUpdate();
SetSheetVisible(dialog_window, true);
}
void NativeWebContentsModalDialogManagerViewsMac::HideWidget(
views::Widget* widget) {
NSWindow* dialog_window = widget->GetNativeWindow();
// Avoid views::Widget::Hide(), as a call to orderOut: on a NSWindow with an
// attached sheet will close the sheet. Instead, just set the sheet to 0
// opacity and don't accept click events.
SetSheetVisible(dialog_window, false);
}
} // namespace constrained_window
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