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chrome/browser/ui/webui/repost_form_warning_ui.cc

-// 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/repost_form_warning_ui.h"
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/json/json_reader.h"
-#include "base/message_loop.h"
-#include "base/string_piece.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/repost_form_warning_controller.h"
-#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
-#include "chrome/browser/ui/webui/constrained_html_ui.h"
-#include "chrome/browser/ui/webui/html_dialog_ui.h"
-#include "chrome/common/jstemplate_builder.h"
-#include "chrome/common/url_constants.h"
-#include "content/browser/tab_contents/tab_contents.h"
-#include "grit/browser_resources.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/size.h"
-
-using std::string;
-
-namespace browser {
-
-// Declared in browser_dialogs.h so others don't have to depend on our header.
-void ShowRepostFormWarningDialog(gfx::NativeWindow parent_window,
-                                 TabContents* tab_contents) {
-  new RepostFormWarningUI(parent_window, tab_contents);
-}
-
-}  // namespace browser
-
-class RepostFormWarningSource : public ChromeURLDataManager::DataSource {
- public:
-  RepostFormWarningSource()
-      : DataSource(chrome::kChromeUIRepostFormWarningHost,
-                   MessageLoop::current()) {
-  }
-
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_off_the_record,
-                                int request_id) OVERRIDE {
-    DictionaryValue dict;
-    dict.SetString("explanation",
-                   l10n_util::GetStringUTF16(IDS_HTTP_POST_WARNING));
-    dict.SetString("resend",
-                   l10n_util::GetStringUTF16(IDS_HTTP_POST_WARNING_RESEND));
-    dict.SetString("cancel", l10n_util::GetStringUTF16(IDS_CANCEL));
-
-    SetFontAndTextDirection(&dict);
-    base::StringPiece html =
-        ResourceBundle::GetSharedInstance().GetRawDataResource(
-            IDR_REPOST_FORM_WARNING_HTML);
-    string response = jstemplate_builder::GetI18nTemplateHtml(html, &dict);
-    SendResponse(request_id, base::RefCountedString::TakeString(&response));
-  }
-
-  virtual string GetMimeType(const std::string& path) const OVERRIDE {
-    return "text/html";
-  }
-
-  static void RegisterDataSource(Profile* profile) {
-    ChromeURLDataManager* url_manager = profile->GetChromeURLDataManager();
-    url_manager->AddDataSource(new RepostFormWarningSource());
-  }
-
- private:
-  virtual ~RepostFormWarningSource() {}
-
-  DISALLOW_COPY_AND_ASSIGN(RepostFormWarningSource);
-};
-
-class RepostFormWarningHtmlDelegate : public HtmlDialogUIDelegate {
- public:
-  explicit RepostFormWarningHtmlDelegate(RepostFormWarningUI* ui) : ui_(ui) {}
-
-  virtual ~RepostFormWarningHtmlDelegate() {}
-
-  // HtmlDialogUIDelegate implementation.
-  virtual bool IsDialogModal() const OVERRIDE {
-    return true;
-  }
-
-  virtual string16 GetDialogTitle() const OVERRIDE {
-    return l10n_util::GetStringUTF16(IDS_HTTP_POST_WARNING_TITLE);
-  }
-
-  virtual GURL GetDialogContentURL() const OVERRIDE {
-    return GURL(chrome::kChromeUIRepostFormWarningURL);
-  }
-
-  virtual void GetWebUIMessageHandlers(
-      std::vector<WebUIMessageHandler*>* handlers) const OVERRIDE {}
-
-  virtual void GetDialogSize(gfx::Size* size) const OVERRIDE {
-    size->SetSize(kDialogWidth, kDialogHeight);
-  }
-
-  virtual std::string GetDialogArgs() const OVERRIDE {
-    return string();
-  }
-
-  virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE {
-    bool repost = false;
-    if (!json_retval.empty()) {
-      base::JSONReader reader;
-      scoped_ptr<Value> value(reader.JsonToValue(json_retval, false, false));
-      if (!value.get() || !value->GetAsBoolean(&repost))
-        NOTREACHED() << "Missing or unreadable response from dialog";
-    }
-
-    ui_->OnDialogClosed(repost);
-    ui_ = NULL;
-    delete this;
-  }
-
-  virtual void OnCloseContents(TabContents* source,
-                               bool* out_close_dialog) OVERRIDE {}
-
-  virtual bool ShouldShowDialogTitle() const OVERRIDE {
-    return true;
-  }
-
- private:
-  static const int kDialogWidth = 400;
-  static const int kDialogHeight = 108;
-
-  RepostFormWarningUI* ui_;  // not owned
-
-  DISALLOW_COPY_AND_ASSIGN(RepostFormWarningHtmlDelegate);
-};
-
-RepostFormWarningUI::RepostFormWarningUI(gfx::NativeWindow parent_window,
-                                         TabContents* tab_contents)
-    : controller_(new RepostFormWarningController(tab_contents)) {
-  TabContentsWrapper* wrapper =
-      TabContentsWrapper::GetCurrentWrapperForContents(tab_contents);
-  Profile* profile = wrapper->profile();
-  RepostFormWarningSource::RegisterDataSource(profile);
-  RepostFormWarningHtmlDelegate* html_delegate =
-      new RepostFormWarningHtmlDelegate(this);
-  ConstrainedHtmlUIDelegate* dialog_delegate =
-      ConstrainedHtmlUI::CreateConstrainedHtmlDialog(
-          profile, html_delegate, wrapper);
-  controller_->set_window(dialog_delegate->window());
-}
-
-RepostFormWarningUI::~RepostFormWarningUI() {}
-
-void RepostFormWarningUI::OnDialogClosed(bool repost) {
-  controller_->set_window(NULL);
-  if (repost)
-    controller_->Continue();
-  else
-    controller_->Cancel();
-  delete this;
-}