blob: 801562de2c676c6db67f568428e7baf7f341dc92 [file] [log] [blame]
// Copyright (c) 2010 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/app_modal_dialogs/js_modal_dialog.h"
#include "app/text_elider.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_type.h"
#include "ipc/ipc_message.h"
namespace {
// The maximum sizes of various texts passed to us from javascript.
const int kMessageTextMaxRows = 32;
const int kMessageTextMaxCols = 132;
const int kDefaultPromptTextSize = 2000;
} // namespace
JavaScriptAppModalDialog::JavaScriptAppModalDialog(
JavaScriptAppModalDialogDelegate* delegate,
const std::wstring& title,
int dialog_flags,
const std::wstring& message_text,
const std::wstring& default_prompt_text,
bool display_suppress_checkbox,
bool is_before_unload_dialog,
IPC::Message* reply_msg)
: AppModalDialog(delegate->AsTabContents(), title),
delegate_(delegate),
extension_host_(delegate->AsExtensionHost()),
dialog_flags_(dialog_flags),
display_suppress_checkbox_(display_suppress_checkbox),
is_before_unload_dialog_(is_before_unload_dialog),
reply_msg_(reply_msg) {
// We trim the various parts of the message dialog because otherwise we can
// overflow the message dialog (and crash/hang the GTK+ version).
string16 elided_text;
gfx::ElideRectangleString(WideToUTF16(message_text),
kMessageTextMaxRows, kMessageTextMaxCols, &elided_text);
message_text_ = UTF16ToWide(elided_text);
gfx::ElideString(default_prompt_text, kDefaultPromptTextSize,
&default_prompt_text_);
DCHECK((tab_contents_ != NULL) != (extension_host_ != NULL));
InitNotifications();
}
JavaScriptAppModalDialog::~JavaScriptAppModalDialog() {
}
NativeAppModalDialog* JavaScriptAppModalDialog::CreateNativeDialog() {
gfx::NativeWindow parent_window = tab_contents_ ?
tab_contents_->GetMessageBoxRootWindow() :
extension_host_->GetMessageBoxRootWindow();
return NativeAppModalDialog::CreateNativeJavaScriptPrompt(this,
parent_window);
}
void JavaScriptAppModalDialog::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (skip_this_dialog_)
return;
if (NotificationType::EXTENSION_HOST_DESTROYED == type &&
Details<ExtensionHost>(extension_host_) != details)
return;
// If we reach here, we know the notification is relevant to us, either
// because we're only observing applicable sources or because we passed the
// check above. Both of those indicate that we should ignore this dialog.
// Also clear the delegate, since it's now invalid.
skip_this_dialog_ = true;
delegate_ = NULL;
if (native_dialog_)
CloseModalDialog();
}
void JavaScriptAppModalDialog::InitNotifications() {
// Make sure we get relevant navigation notifications so we know when our
// parent contents will disappear or navigate to a different page.
if (tab_contents_) {
registrar_.Add(this, NotificationType::NAV_ENTRY_COMMITTED,
Source<NavigationController>(&tab_contents_->controller()));
registrar_.Add(this, NotificationType::TAB_CONTENTS_DESTROYED,
Source<TabContents>(tab_contents_));
} else if (extension_host_) {
// EXTENSION_HOST_DESTROYED uses the Profile as its source, but we care
// about the ExtensionHost (which is passed in the details).
registrar_.Add(this, NotificationType::EXTENSION_HOST_DESTROYED,
NotificationService::AllSources());
} else {
NOTREACHED();
}
}
void JavaScriptAppModalDialog::OnCancel(bool suppress_js_messages) {
// If we are shutting down and this is an onbeforeunload dialog, cancel the
// shutdown.
if (is_before_unload_dialog_)
browser_shutdown::SetTryingToQuit(false);
// We need to do this before WM_DESTROY (WindowClosing()) as any parent frame
// will receive its activation messages before this dialog receives
// WM_DESTROY. The parent frame would then try to activate any modal dialogs
// that were still open in the ModalDialogQueue, which would send activation
// back to this one. The framework should be improved to handle this, so this
// is a temporary workaround.
CompleteDialog();
NotifyDelegate(false, L"", suppress_js_messages);
}
void JavaScriptAppModalDialog::OnAccept(const std::wstring& prompt_text,
bool suppress_js_messages) {
CompleteDialog();
NotifyDelegate(true, prompt_text, suppress_js_messages);
}
void JavaScriptAppModalDialog::OnClose() {
NotifyDelegate(false, L"", false);
}
void JavaScriptAppModalDialog::NotifyDelegate(bool success,
const std::wstring& prompt_text,
bool suppress_js_messages) {
if (skip_this_dialog_)
return;
delegate_->OnMessageBoxClosed(reply_msg_, success, prompt_text);
if (suppress_js_messages)
delegate_->SetSuppressMessageBoxes(true);
// On Views, we can end up coming through this code path twice :(.
// See crbug.com/63732.
skip_this_dialog_ = true;
}