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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/browser/jsmessage_box_handler.h"
#include "chrome/browser/app_modal_dialog_queue.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/web_contents.h"
#include "chrome/common/gfx/url_elider.h"
#include "chrome/common/l10n_util.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_types.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/pref_service.h"
#include "chrome/views/message_box_view.h"
#include "chrome/views/window.h"
#include "generated_resources.h"
///////////////////////////////////////////////////////////////////////////////
// JavascriptMessageBoxHandler, public:
// static
void JavascriptMessageBoxHandler::RunJavascriptMessageBox(
WebContents* web_contents,
int dialog_flags,
const std::wstring& message_text,
const std::wstring& default_prompt_text,
bool display_suppress_checkbox,
IPC::Message* reply_msg) {
JavascriptMessageBoxHandler* handler =
new JavascriptMessageBoxHandler(web_contents, dialog_flags,
message_text, default_prompt_text,
display_suppress_checkbox, reply_msg);
AppModalDialogQueue::AddDialog(handler);
}
JavascriptMessageBoxHandler::~JavascriptMessageBoxHandler() {
NotificationService::current()->
RemoveObserver(this, NOTIFY_NAV_ENTRY_COMMITTED,
NotificationService::AllSources());
NotificationService::current()->
RemoveObserver(this, NOTIFY_TAB_CONTENTS_DESTROYED,
NotificationService::AllSources());
}
//////////////////////////////////////////////////////////////////////////////
// JavascriptMessageBoxHandler, ChromeViews::DialogDelegate implementation:
int JavascriptMessageBoxHandler::GetDialogButtons() const {
int dialog_buttons = 0;
if (dialog_flags_ & MessageBoxView::kFlagHasOKButton)
dialog_buttons = DIALOGBUTTON_OK;
if (dialog_flags_ & MessageBoxView::kFlagHasCancelButton)
dialog_buttons |= DIALOGBUTTON_CANCEL;
return dialog_buttons;
}
std::wstring JavascriptMessageBoxHandler::GetWindowTitle() const {
if (!web_contents_)
return std::wstring();
GURL url = web_contents_->GetURL();
if (!url.has_host())
return l10n_util::GetString(IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE);
// We really only want the scheme, hostname, and port.
GURL::Replacements replacements;
replacements.ClearUsername();
replacements.ClearPassword();
replacements.ClearPath();
replacements.ClearQuery();
replacements.ClearRef();
GURL clean_url = url.ReplaceComponents(replacements);
// TODO(brettw) it should be easier than this to do the correct language
// handling without getting the accept language from the profil.
std::wstring base_address = gfx::ElideUrl(clean_url, ChromeFont(), 0,
web_contents_->profile()->GetPrefs()->GetString(prefs::kAcceptLanguages));
return l10n_util::GetStringF(IDS_JAVASCRIPT_MESSAGEBOX_TITLE, base_address);
}
void JavascriptMessageBoxHandler::WindowClosing() {
dialog_ = NULL;
if (message_box_view_->IsCheckBoxSelected() && web_contents_)
web_contents_->SetSuppressJavascriptMessageBoxes(true);
delete this;
}
bool JavascriptMessageBoxHandler::Cancel() {
// We need to do this before WM_DESTROY (WindowClosing()) as any parent frame
// will receive it's 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.
AppModalDialogQueue::ShowNextDialog();
if (web_contents_) {
web_contents_->OnJavaScriptMessageBoxClosed(reply_msg_, false,
EmptyWString());
}
return true;
}
bool JavascriptMessageBoxHandler::Accept() {
AppModalDialogQueue::ShowNextDialog();
if (web_contents_) {
web_contents_->OnJavaScriptMessageBoxClosed(
reply_msg_, true, message_box_view_->GetInputText());
}
return true;
}
//////////////////////////////////////////////////////////////////////////////
// JavascriptMessageBoxHandler, ChromeViews::AppModalDialogDelegate
// implementation:
void JavascriptMessageBoxHandler::ShowModalDialog() {
// If the WebContents that created this dialog navigated away before this
// dialog became visible, simply show the next dialog if any.
if (!web_contents_) {
AppModalDialogQueue::ShowNextDialog();
delete this;
return;
}
web_contents_->Activate();
HWND root_hwnd = GetAncestor(web_contents_->GetHWND(), GA_ROOT);
dialog_ =
ChromeViews::Window::CreateChromeWindow(root_hwnd, gfx::Rect(), this);
dialog_->Show();
}
void JavascriptMessageBoxHandler::ActivateModalDialog() {
// Ensure that the dialog is visible and at the top of the z-order. These
// conditions may not be true if the dialog was opened on a different virtual
// desktop to the one the browser window is on.
dialog_->Show();
dialog_->Activate();
}
///////////////////////////////////////////////////////////////////////////////
// JavascriptMessageBoxHandler, ChromeViews::WindowDelegate implementation:
ChromeViews::View* JavascriptMessageBoxHandler::GetContentsView() {
return message_box_view_;
}
///////////////////////////////////////////////////////////////////////////////
// JavascriptMessageBoxHandler, private:
void JavascriptMessageBoxHandler::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
bool web_contents_gone = false;
if (!web_contents_)
return;
if (type == NOTIFY_NAV_ENTRY_COMMITTED &&
Source<NavigationController>(source).ptr() == web_contents_->controller())
web_contents_gone = true;
if (type == NOTIFY_TAB_CONTENTS_DESTROYED &&
Source<TabContents>(source).ptr() ==
static_cast<TabContents*>(web_contents_))
web_contents_gone = true;
if (web_contents_gone) {
web_contents_ = NULL;
// If the dialog is visible close it.
if (dialog_)
dialog_->Close();
}
}
JavascriptMessageBoxHandler::JavascriptMessageBoxHandler(
WebContents* web_contents,
int dialog_flags,
const std::wstring& message_text,
const std::wstring& default_prompt_text,
bool display_suppress_checkbox,
IPC::Message* reply_msg)
: web_contents_(web_contents),
reply_msg_(reply_msg),
dialog_flags_(dialog_flags),
dialog_(NULL),
message_box_view_(new MessageBoxView(dialog_flags, message_text,
default_prompt_text)) {
DCHECK(message_box_view_);
DCHECK(reply_msg_);
if (display_suppress_checkbox) {
message_box_view_->SetCheckBoxLabel(
l10n_util::GetString(IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION));
}
// Make sure we get navigation notifications so we know when our parent
// contents will disappear or navigate to a different page.
NotificationService::current()->
AddObserver(this, NOTIFY_NAV_ENTRY_COMMITTED,
NotificationService::AllSources());
NotificationService::current()->
AddObserver(this, NOTIFY_TAB_CONTENTS_DESTROYED,
NotificationService::AllSources());
}
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