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// Copyright (c) 2012 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 "chrome/browser/ui/cocoa/constrained_window_mac.h"
#import "chrome/browser/ui/cocoa/browser_window_controller.h"
#include "chrome/browser/ui/constrained_window_tab_helper.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#import "third_party/GTM/AppKit/GTMWindowSheetController.h"
ConstrainedWindowMacDelegateSystemSheet::
ConstrainedWindowMacDelegateSystemSheet(id delegate, SEL didEndSelector)
: systemSheet_(nil),
delegate_([delegate retain]),
didEndSelector_(didEndSelector) {}
ConstrainedWindowMacDelegateSystemSheet::
~ConstrainedWindowMacDelegateSystemSheet() {}
void ConstrainedWindowMacDelegateSystemSheet::set_sheet(id sheet) {
systemSheet_.reset([sheet retain]);
}
NSArray* ConstrainedWindowMacDelegateSystemSheet::GetSheetParameters(
id delegate,
SEL didEndSelector) {
return [NSArray arrayWithObjects:
[NSNull null], // window, must be [NSNull null]
delegate,
[NSValue valueWithPointer:didEndSelector],
[NSValue valueWithPointer:NULL], // context info for didEndSelector_.
nil];
}
void ConstrainedWindowMacDelegateSystemSheet::RunSheet(
GTMWindowSheetController* sheetController,
NSView* view) {
NSArray* params = GetSheetParameters(delegate_.get(), didEndSelector_);
[sheetController beginSystemSheet:systemSheet_
modalForView:view
withParameters:params];
}
ConstrainedWindowMacDelegateCustomSheet::
ConstrainedWindowMacDelegateCustomSheet()
: customSheet_(nil),
delegate_(nil),
didEndSelector_(NULL) {}
ConstrainedWindowMacDelegateCustomSheet::
ConstrainedWindowMacDelegateCustomSheet(id delegate, SEL didEndSelector)
: customSheet_(nil),
delegate_([delegate retain]),
didEndSelector_(didEndSelector) {}
ConstrainedWindowMacDelegateCustomSheet::
~ConstrainedWindowMacDelegateCustomSheet() {}
void ConstrainedWindowMacDelegateCustomSheet::init(NSWindow* sheet,
id delegate,
SEL didEndSelector) {
DCHECK(!delegate_.get());
DCHECK(!didEndSelector_);
customSheet_.reset([sheet retain]);
delegate_.reset([delegate retain]);
didEndSelector_ = didEndSelector;
DCHECK(delegate_.get());
DCHECK(didEndSelector_);
}
void ConstrainedWindowMacDelegateCustomSheet::set_sheet(NSWindow* sheet) {
customSheet_.reset([sheet retain]);
}
void ConstrainedWindowMacDelegateCustomSheet::RunSheet(
GTMWindowSheetController* sheetController,
NSView* view) {
[sheetController beginSheet:customSheet_.get()
modalForView:view
modalDelegate:delegate_.get()
didEndSelector:didEndSelector_
contextInfo:NULL];
}
ConstrainedWindowMac::ConstrainedWindowMac(
TabContentsWrapper* wrapper, ConstrainedWindowMacDelegate* delegate)
: wrapper_(wrapper),
delegate_(delegate),
controller_(nil),
should_be_visible_(false),
closing_(false) {
DCHECK(wrapper);
DCHECK(delegate);
wrapper->constrained_window_tab_helper()->AddConstrainedDialog(this);
}
ConstrainedWindowMac::~ConstrainedWindowMac() {}
void ConstrainedWindowMac::ShowConstrainedWindow() {
should_be_visible_ = true;
// The TabContents only has a native window if it is currently visible. In
// this case, open the sheet now. Else, Realize() will be called later, when
// our tab becomes visible.
NSWindow* browserWindow =
wrapper_->web_contents()->GetView()->GetTopLevelNativeWindow();
BrowserWindowController* browser_controller =
[BrowserWindowController browserWindowControllerForWindow:browserWindow];
if ([browser_controller canAttachConstrainedWindow])
Realize(browser_controller);
}
void ConstrainedWindowMac::CloseConstrainedWindow() {
// Protection against reentrancy, which might otherwise become a problem if
// DeleteDelegate forcibly closes a constrained window in a way that results
// in CloseConstrainedWindow being called again.
if (closing_)
return;
closing_ = true;
// Note: controller_ can be `nil` here if the sheet was never realized. That's
// ok.
[controller_ removeConstrainedWindow:this];
delegate_->DeleteDelegate();
wrapper_->constrained_window_tab_helper()->WillClose(this);
delete this;
}
void ConstrainedWindowMac::Realize(BrowserWindowController* controller) {
if (!should_be_visible_)
return;
if (controller_ != nil) {
DCHECK(controller_ == controller);
return;
}
DCHECK(controller != nil);
// Remember the controller we're adding ourselves to, so that we can later
// remove us from it.
controller_ = controller;
[controller_ attachConstrainedWindow:this];
delegate_->set_sheet_open(true);
}
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