Add ICU message format support
[chromium-blink-merge.git] / chrome / browser / ui / cocoa / single_web_contents_dialog_manager_cocoa.mm
blob488e3ef8fafe4f8a39e8a40bd9d2cc576ad608a3
1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #import "chrome/browser/ui/cocoa/single_web_contents_dialog_manager_cocoa.h"
7 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
8 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h"
9 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
10 #include "components/web_modal/web_contents_modal_dialog_host.h"
11 #include "components/web_modal/web_contents_modal_dialog_manager.h"
12 #include "content/public/browser/web_contents.h"
14 SingleWebContentsDialogManagerCocoa::SingleWebContentsDialogManagerCocoa(
15     ConstrainedWindowMac* client,
16     id<ConstrainedWindowSheet> sheet,
17     web_modal::SingleWebContentsDialogManagerDelegate* delegate)
18     : client_(client),
19       sheet_([sheet retain]),
20       delegate_(delegate),
21       host_(nullptr),
22       shown_(false) {
23   DCHECK(client);
24   client->set_manager(this);
27 SingleWebContentsDialogManagerCocoa::~SingleWebContentsDialogManagerCocoa() {
30 void SingleWebContentsDialogManagerCocoa::Show() {
31   if (shown_)
32     return;
34   // If a dialog is initially shown on a hidden/background WebContents, the
35   // |delegate_| will defer the Show() until the WebContents is shown. If the
36   // defer happens during tab closure or tab dragging, a suspected data race or
37   // ObserverList ordering may result in |host_| being null here. If the tab is
38   // closing anyway, it doesn't matter. For tab dragging, avoid a crash, but the
39   // user may have to switch tabs again to see the dialog. See
40   // http://crbug.com/514826 for details.
41   if (!host_)
42     return;
44   NSView* parent_view = host_->GetHostView();
45   // Note that simply [parent_view window] for an inactive tab is nil. However,
46   // the following should always be non-nil for all WebContents containers.
47   NSWindow* parent_window =
48       delegate_->GetWebContents()->GetTopLevelNativeWindow();
50   shown_ = true;
51   [[ConstrainedWindowSheetController controllerForParentWindow:parent_window]
52       showSheet:sheet_ forParentView:parent_view];
55 void SingleWebContentsDialogManagerCocoa::Hide() {
58 void SingleWebContentsDialogManagerCocoa::Close() {
59   [[ConstrainedWindowSheetController controllerForSheet:sheet_]
60       closeSheet:sheet_];
61   client_->set_manager(nullptr);
62   client_->OnDialogClosing();      // |client_| might delete itself here.
63   delegate_->WillClose(dialog());  // Deletes |this|.
66 void SingleWebContentsDialogManagerCocoa::Focus() {
69 void SingleWebContentsDialogManagerCocoa::Pulse() {
70   [[ConstrainedWindowSheetController controllerForSheet:sheet_]
71       pulseSheet:sheet_];
74 void SingleWebContentsDialogManagerCocoa::HostChanged(
75     web_modal::WebContentsModalDialogHost* new_host) {
76   // No need to observe the host. For Cocoa, the constrained window controller
77   // will reposition the dialog when necessary. The host can also never change.
78   // Tabs showing a dialog can not be dragged off a Cocoa browser window.
79   // However, closing a tab with a dialog open will set the host back to null.
80   DCHECK_NE(!!host_, !!new_host);
81   host_ = new_host;
84 gfx::NativeWindow SingleWebContentsDialogManagerCocoa::dialog() {
85   return [sheet_ sheetWindow];