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// Copyright (c) 2011 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/webui/input_window_dialog_webui.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/dialog_style.h"
#include "chrome/browser/ui/webui/html_dialog_ui.h"
#include "chrome/common/url_constants.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
namespace {
const int kInputWindowDialogWidth = 300;
const int kInputWindowDialogBaseHeight = 90;
const int kInputWindowDialogContentsHeight = 20;
} // namespace
////////////////////////////////////////////////////////////////////////////////
// InputWindowWebUIDailog private methods
InputWindowDialogWebUI::InputWindowDialogWebUI(
const string16& window_title,
const LabelContentsPairs& label_contents_pairs,
InputWindowDialog::Delegate* delegate,
ButtonType type)
: handler_(new InputWindowDialogHandler(delegate)),
window_title_(window_title),
label_contents_pairs_(label_contents_pairs),
closed_(true),
delegate_(delegate),
type_(type) {
}
InputWindowDialogWebUI::~InputWindowDialogWebUI() {
}
void InputWindowDialogWebUI::Show() {
Browser* browser = BrowserList::GetLastActive();
DCHECK(browser);
browser->BrowserShowHtmlDialog(this, NULL, STYLE_GENERIC);
closed_ = false;
}
void InputWindowDialogWebUI::Close() {
if (!closed_) {
DCHECK(handler_);
handler_->CloseDialog();
}
}
bool InputWindowDialogWebUI::IsDialogModal() const {
return true;
}
string16 InputWindowDialogWebUI::GetDialogTitle() const {
return window_title_;
}
GURL InputWindowDialogWebUI::GetDialogContentURL() const {
return GURL(chrome::kChromeUIInputWindowDialogURL);
}
void InputWindowDialogWebUI::GetWebUIMessageHandlers(
std::vector<WebUIMessageHandler*>* handlers) const {
handlers->push_back(handler_);
}
void InputWindowDialogWebUI::GetDialogSize(gfx::Size* size) const {
const int height = kInputWindowDialogBaseHeight +
kInputWindowDialogContentsHeight * label_contents_pairs_.size();
size->SetSize(kInputWindowDialogWidth, height);
}
std::string InputWindowDialogWebUI::GetDialogArgs() const {
DictionaryValue value;
value.SetString("nameLabel", label_contents_pairs_[0].first);
value.SetString("name", label_contents_pairs_[0].second);
if (label_contents_pairs_.size() == 2) {
value.SetString("urlLabel", label_contents_pairs_[1].first);
value.SetString("url", label_contents_pairs_[1].second);
}
string16 ok_button_title = l10n_util::GetStringUTF16(
type_ == BUTTON_TYPE_ADD ? IDS_ADD : IDS_SAVE);
value.SetString("ok_button_title", ok_button_title);
std::string json;
base::JSONWriter::Write(&value, false, &json);
return json;
}
void InputWindowDialogWebUI::OnDialogClosed(const std::string& json_retval) {
scoped_ptr<Value> root(base::JSONReader::Read(json_retval, false));
bool response = false;
ListValue* list = NULL;
bool accepted = false;
// If the dialog closes because of a button click then the json is a list
// containing a bool value. When OK button is clicked, a string in the text
// field is added to the list.
if (root.get() && root->GetAsList(&list) && list &&
list->GetBoolean(0, &response) && response) {
DCHECK(list->GetSize() == 2 || list->GetSize() == 3);
InputTexts texts;
string16 name;
if (list->GetString(1, &name)) {
texts.push_back(name);
}
string16 url;
if (list->GetSize() == 3 && list->GetString(2, &url)) {
texts.push_back(url);
}
if (delegate_->IsValid(texts)) {
delegate_->InputAccepted(texts);
accepted = true;
}
}
if (!accepted) {
delegate_->InputCanceled();
}
closed_ = true;
}
void InputWindowDialogWebUI::OnCloseContents(TabContents* source,
bool* out_close_dialog) {
}
bool InputWindowDialogWebUI::ShouldShowDialogTitle() const {
return true;
}
////////////////////////////////////////////////////////////////////////////////
// InputWindowDialogHandler methods
InputWindowDialogHandler::InputWindowDialogHandler(
InputWindowDialog::Delegate* delegate)
: delegate_(delegate) {
}
void InputWindowDialogHandler::CloseDialog() {
DCHECK(web_ui_);
static_cast<HtmlDialogUI*>(web_ui_)->CloseDialog(NULL);
}
void InputWindowDialogHandler::RegisterMessages() {
web_ui_->RegisterMessageCallback("validate",
base::Bind(&InputWindowDialogHandler::Validate,
base::Unretained(this)));
}
void InputWindowDialogHandler::Validate(const base::ListValue* args) {
DCHECK(args->GetSize() == 1U || args->GetSize() == 2U);
InputWindowDialog::InputTexts texts;
string16 name;
if (args->GetString(0, &name)) {
texts.push_back(name);
}
string16 url;
if (args->GetSize() == 2 && args->GetString(0, &url)) {
texts.push_back(url);
}
const bool valid = delegate_->IsValid(texts);
scoped_ptr<Value> result(Value::CreateBooleanValue(valid));
web_ui_->CallJavascriptFunction("inputWindowDialog.ackValidation",
*result);
}
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