Chrome Frame turndown prompt.

chrome_frame/turndown_prompt/turndown_prompt_window.cc

+// Copyright 2013 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_frame/turndown_prompt/turndown_prompt_window.h"
+
+#include <atlctrls.h>
+#include <commctrl.h>
+#include <shellapi.h>
+
+#include "base/compiler_specific.h"
+#include "chrome_frame/ready_mode/internal/url_launcher.h"
+#include "chrome_frame/simple_resource_loader.h"
+#include "chrome_frame/utils.h"
+#include "grit/chrome_frame_dialogs.h"
+#include "grit/chromium_strings.h"
+
+// atlctrlx.h requires 'min' and 'max' macros, the definition of which conflicts
+// with STL headers. Hence we include them out of the order defined by style
+// guidelines. As a result you may not refer to std::min or std::max in this
+// file.
+#include <minmax.h>  // NOLINT
+#include <atlctrlx.h>  // NOLINT
+
+base::WeakPtr<TurndownPromptWindow> TurndownPromptWindow::CreateInstance(
+    InfobarContent::Frame* frame,
+    UrlLauncher* url_launcher,
+    const base::Closure& uninstall_callback) {
+  DCHECK(frame != NULL);
+  DCHECK(url_launcher != NULL);
+
+  base::WeakPtr<TurndownPromptWindow> instance(
+      (new TurndownPromptWindow(frame, url_launcher, uninstall_callback))
+          ->weak_ptr_factory_.GetWeakPtr());
+
+  DCHECK(!instance->IsWindow());
+
+  if (instance->Create(frame->GetFrameWindow()) == NULL) {
+    DPLOG(ERROR) << "Failed to create HWND for TurndownPromptWindow.";
+    return base::WeakPtr<TurndownPromptWindow>();
+  }
+
+  // Subclass the "Learn more." text to make it behave like a link. Clicks are
+  // routed to OnLearnMore().
+  CWindow rte = instance->GetDlgItem(IDC_TD_PROMPT_LINK);
+  instance->link_.reset(new CHyperLink());
+  instance->link_->SubclassWindow(rte);
+  instance->link_->SetHyperLinkExtendedStyle(HLINK_NOTIFYBUTTON,
+                                             HLINK_NOTIFYBUTTON);
+
+  // Substitute the proper text given the current IE version.
+  CWindow text = instance->GetDlgItem(IDC_TD_PROMPT_MESSAGE);
+  string16 prompt_text(GetPromptText());
+  if (!prompt_text.empty())
+    text.SetWindowText(prompt_text.c_str());
+
+  return instance;
+}
+
+TurndownPromptWindow::TurndownPromptWindow(
+    InfobarContent::Frame* frame,
+    UrlLauncher* url_launcher,
+    const base::Closure& uninstall_closure)
+    : frame_(frame),
+      url_launcher_(url_launcher),
+      uninstall_closure_(uninstall_closure),
+      weak_ptr_factory_(this) {
+}
+
+TurndownPromptWindow::~TurndownPromptWindow() {}
+
+void TurndownPromptWindow::OnFinalMessage(HWND) {
+  delete this;
+}
+
+void TurndownPromptWindow::OnDestroy() {
+  frame_ = NULL;
+}
+
+BOOL TurndownPromptWindow::OnInitDialog(CWindow wndFocus, LPARAM lInitParam) {
+  DlgResize_Init(false);  // false => 'no gripper'
+  return TRUE;
+}
+
+LRESULT TurndownPromptWindow::OnLearnMore(WORD /*wParam*/,
+                                          LPNMHDR /*lParam*/,
+                                          BOOL& /*bHandled*/) {
+  url_launcher_->LaunchUrl(SimpleResourceLoader::Get(
+      IDS_CHROME_FRAME_TURNDOWN_LEARN_MORE_URL));
+  return 0;
+}
+
+LRESULT TurndownPromptWindow::OnUninstall(WORD /*wNotifyCode*/,
+                                          WORD /*wID*/,
+                                          HWND /*hWndCtl*/,
+                                          BOOL& /*bHandled*/) {
+  frame_->CloseInfobar();
+  if (!uninstall_closure_.is_null())
+    uninstall_closure_.Run();
+  return 0;
+}
+
+LRESULT TurndownPromptWindow::OnDismiss(WORD /*wNotifyCode*/,
+                                        WORD /*wID*/,
+                                        HWND /*hWndCtl*/,
+                                        BOOL& /*bHandled*/) {
+  frame_->CloseInfobar();
+  return 0;
+}
+
+// static
+string16 TurndownPromptWindow::GetPromptText() {
+  IEVersion ie_version = GetIEVersion();
+  int message_id = IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_NEWER;
+  if (ie_version == IE_6 || ie_version == IE_7 || ie_version == IE_8)
+    message_id = IDS_CHROME_FRAME_TURNDOWN_TEXT_IE_OLDER;
+  return SimpleResourceLoader::GetInstance()->Get(message_id);
+}