Move JavaScriptDialogManager, JavascriptAppModalDialogViews to components/app_modal_dialogs

components/app_modal_dialogs/javascript_dialog_manager_impl.cc

 // Copyright (c) 2012 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/javascript_dialog_manager.h"
+#include "components/app_modal_dialogs/javascript_dialog_manager_impl.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
-#include "base/memory/singleton.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/app_modal_dialogs/app_modal_dialog.h"
 #include "components/app_modal_dialogs/app_modal_dialog_queue.h"
 #include "components/app_modal_dialogs/javascript_app_modal_dialog.h"
+#include "components/app_modal_dialogs/javascript_dialog_extensions_client.h"
+#include "components/app_modal_dialogs/javascript_native_dialog_factory.h"
 #include "components/app_modal_dialogs/native_app_modal_dialog.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/javascript_message_type.h"
 #include "grit/components_strings.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
-#if defined(ENABLE_EXTENSIONS)
-#include "extensions/browser/process_manager.h"
-#include "extensions/common/extension.h"
-#endif  // defined(ENABLE_EXTENSIONS)
-
 using content::BrowserContext;
 using content::JavaScriptDialogManager;
 using content::WebContents;
 
-#if defined(ENABLE_EXTENSIONS)
-using extensions::Extension;
-#endif  // defined(ENABLE_EXTENSIONS)
-
 namespace {
 
-#if defined(ENABLE_EXTENSIONS)
-// Returns the ProcessManager for the browser context from |web_contents|.
-extensions::ProcessManager* GetExtensionsProcessManager(
-    WebContents* web_contents) {
-  return extensions::ProcessManager::Get(web_contents->GetBrowserContext());
+class DefaultExtensionsClient : public JavaScriptDialogExtensionsClient {
+ public:
+  DefaultExtensionsClient() {}
+  ~DefaultExtensionsClient() override {}
+
+ private:
+  // JavaScriptDialogExtensionsClient:
+  void IncrementLazyKeepaliveCount(
+      content::WebContents* web_contents) override {}
+  void DecrementLazyKeepaliveCount(
+      content::WebContents* web_contents) override {}
+  bool GetExtensionName(content::WebContents* web_contents,
+                        const GURL& origin_url,
+                        std::string* name_out) override {
+    return false;
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(DefaultExtensionsClient);
+};
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+// JavaScriptDialogManagerImpl, public:
+
+JavaScriptDialogManagerImpl::JavaScriptDialogManagerImpl()
+    : extensions_client_(new DefaultExtensionsClient) {
 }
 
-// Returns the extension associated with |web_contents| or NULL if there is no
-// associated extension (or extensions are not supported).
-const Extension* GetExtensionForWebContents(WebContents* web_contents) {
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  return pm->GetExtensionForRenderViewHost(web_contents->GetRenderViewHost());
-}
-#endif  // defined(ENABLE_EXTENSIONS)
-
-// Keeps an |extension| from shutting down its lazy background page. If an
-// extension opens a dialog its lazy background page must stay alive until the
-// dialog closes.
-void IncrementLazyKeepaliveCount(WebContents* web_contents) {
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension == NULL)
-    return;
-
-  DCHECK(web_contents);
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  if (pm)
-    pm->IncrementLazyKeepaliveCount(extension);
-#endif  // defined(ENABLE_EXTENSIONS)
-}
-
-// Allows an |extension| to shut down its lazy background page after a dialog
-// closes (if nothing else is keeping it open).
-void DecrementLazyKeepaliveCount(WebContents* web_contents) {
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension == NULL)
-    return;
-
-  DCHECK(web_contents);
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  if (pm)
-    pm->DecrementLazyKeepaliveCount(extension);
-#endif  // defined(ENABLE_EXTENSIONS)
-}
-
-class ChromeJavaScriptDialogManager : public JavaScriptDialogManager {
- public:
-  static ChromeJavaScriptDialogManager* GetInstance();
-
-  void RunJavaScriptDialog(WebContents* web_contents,
-                           const GURL& origin_url,
-                           const std::string& accept_lang,
-                           content::JavaScriptMessageType message_type,
-                           const base::string16& message_text,
-                           const base::string16& default_prompt_text,
-                           const DialogClosedCallback& callback,
-                           bool* did_suppress_message) override;
-
-  void RunBeforeUnloadDialog(WebContents* web_contents,
-                             const base::string16& message_text,
-                             bool is_reload,
-                             const DialogClosedCallback& callback) override;
-
-  bool HandleJavaScriptDialog(WebContents* web_contents,
-                              bool accept,
-                              const base::string16* prompt_override) override;
-
-  void CancelActiveAndPendingDialogs(WebContents* web_contents) override;
-
-  void WebContentsDestroyed(WebContents* web_contents) override;
-
- private:
-  friend struct DefaultSingletonTraits<ChromeJavaScriptDialogManager>;
-
-  ChromeJavaScriptDialogManager();
-  ~ChromeJavaScriptDialogManager() override;
-
-  base::string16 GetTitle(WebContents* web_contents,
-                          const GURL& origin_url,
-                          const std::string& accept_lang,
-                          bool is_alert);
-
-  // Wrapper around a DialogClosedCallback so that we can intercept it before
-  // passing it onto the original callback.
-  void OnDialogClosed(WebContents* web_contents,
-                      DialogClosedCallback callback,
-                      bool success,
-                      const base::string16& user_input);
-
-  // Mapping between the WebContents and their extra data. The key
-  // is a void* because the pointer is just a cookie and is never dereferenced.
-  JavaScriptAppModalDialog::ExtraDataMap javascript_dialog_extra_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeJavaScriptDialogManager);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// ChromeJavaScriptDialogManager, public:
-
-ChromeJavaScriptDialogManager::ChromeJavaScriptDialogManager() {
-}
-
-ChromeJavaScriptDialogManager::~ChromeJavaScriptDialogManager() {
+JavaScriptDialogManagerImpl::~JavaScriptDialogManagerImpl() {
 }
 
 // static
-ChromeJavaScriptDialogManager* ChromeJavaScriptDialogManager::GetInstance() {
-  return Singleton<ChromeJavaScriptDialogManager>::get();
+JavaScriptDialogManagerImpl* JavaScriptDialogManagerImpl::GetInstance() {
+  return Singleton<JavaScriptDialogManagerImpl>::get();
 }
 
-void ChromeJavaScriptDialogManager::RunJavaScriptDialog(
+void JavaScriptDialogManagerImpl::RunJavaScriptDialog(
     WebContents* web_contents,
     const GURL& origin_url,
     const std::string& accept_lang,
     content::JavaScriptMessageType message_type,
     const base::string16& message_text,
     const base::string16& default_prompt_text,
     const DialogClosedCallback& callback,
     bool* did_suppress_message)  {
   *did_suppress_message = false;
 
@@ skipping 18 matching lines @@
       base::TimeDelta::FromMilliseconds(kJavaScriptMessageExpectedDelay)) {
     display_suppress_checkbox = true;
   } else {
     display_suppress_checkbox = false;
   }
 
   bool is_alert = message_type == content::JAVASCRIPT_MESSAGE_TYPE_ALERT;
   base::string16 dialog_title =
       GetTitle(web_contents, origin_url, accept_lang, is_alert);
 
-  IncrementLazyKeepaliveCount(web_contents);
+  extensions_client_->IncrementLazyKeepaliveCount(web_contents);
 
   AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
       web_contents,
       &javascript_dialog_extra_data_,
       dialog_title,
       message_type,
       message_text,
       default_prompt_text,
       display_suppress_checkbox,
       false,  // is_before_unload_dialog
       false,  // is_reload
-      base::Bind(&ChromeJavaScriptDialogManager::OnDialogClosed,
+      base::Bind(&JavaScriptDialogManagerImpl::OnDialogClosed,
                  base::Unretained(this), web_contents, callback)));
 }
 
-void ChromeJavaScriptDialogManager::RunBeforeUnloadDialog(
+void JavaScriptDialogManagerImpl::RunBeforeUnloadDialog(
     WebContents* web_contents,
     const base::string16& message_text,
     bool is_reload,
     const DialogClosedCallback& callback) {
   const base::string16 title = l10n_util::GetStringUTF16(is_reload ?
       IDS_BEFORERELOAD_MESSAGEBOX_TITLE : IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE);
   const base::string16 footer = l10n_util::GetStringUTF16(is_reload ?
       IDS_BEFORERELOAD_MESSAGEBOX_FOOTER : IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER);
 
   base::string16 full_message =
       message_text + base::ASCIIToUTF16("\n\n") + footer;
 
-  IncrementLazyKeepaliveCount(web_contents);
+  extensions_client_->IncrementLazyKeepaliveCount(web_contents);
 
   AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
       web_contents,
       &javascript_dialog_extra_data_,
       title,
       content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
       full_message,
       base::string16(),  // default_prompt_text
       false,       // display_suppress_checkbox
       true,        // is_before_unload_dialog
       is_reload,
-      base::Bind(&ChromeJavaScriptDialogManager::OnDialogClosed,
+      base::Bind(&JavaScriptDialogManagerImpl::OnDialogClosed,
                  base::Unretained(this), web_contents, callback)));
 }
 
-bool ChromeJavaScriptDialogManager::HandleJavaScriptDialog(
+bool JavaScriptDialogManagerImpl::HandleJavaScriptDialog(
     WebContents* web_contents,
     bool accept,
     const base::string16* prompt_override) {
   AppModalDialogQueue* dialog_queue = AppModalDialogQueue::GetInstance();
   if (!dialog_queue->HasActiveDialog() ||
       !dialog_queue->active_dialog()->IsJavaScriptModalDialog() ||
       dialog_queue->active_dialog()->web_contents() != web_contents) {
     return false;
   }
   JavaScriptAppModalDialog* dialog = static_cast<JavaScriptAppModalDialog*>(
       dialog_queue->active_dialog());
   if (accept) {
     if (prompt_override)
       dialog->SetOverridePromptText(*prompt_override);
     dialog->native_dialog()->AcceptAppModalDialog();
   } else {
     dialog->native_dialog()->CancelAppModalDialog();
   }
   return true;
 }
 
-void ChromeJavaScriptDialogManager::WebContentsDestroyed(
+void JavaScriptDialogManagerImpl::WebContentsDestroyed(
     WebContents* web_contents) {
   CancelActiveAndPendingDialogs(web_contents);
   javascript_dialog_extra_data_.erase(web_contents);
 }
 
-base::string16 ChromeJavaScriptDialogManager::GetTitle(
+void JavaScriptDialogManagerImpl::SetNativeDialogFactory(
+    scoped_ptr<JavaScriptNativeDialogFactory> factory) {
+  native_dialog_factory_ = factory.Pass();
+}
+
+void JavaScriptDialogManagerImpl::SetExtensionsClient(
+    scoped_ptr<JavaScriptDialogExtensionsClient> extensions_client) {
+  extensions_client_ = extensions_client.Pass();
+}
+
+base::string16 JavaScriptDialogManagerImpl::GetTitle(
     WebContents* web_contents,
     const GURL& origin_url,
     const std::string& accept_lang,
     bool is_alert) {
   // If the URL hasn't any host, return the default string.
   if (!origin_url.has_host()) {
       return l10n_util::GetStringUTF16(
           is_alert ? IDS_JAVASCRIPT_ALERT_DEFAULT_TITLE
                    : IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE);
   }
 
   // For extensions, show the extension name, but only if the origin of
   // the alert matches the top-level WebContents.
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension &&
-      web_contents->GetLastCommittedURL().GetOrigin() == origin_url) {
-    return base::UTF8ToUTF16(extension->name());
+  std::string name;
+  if (extensions_client_->GetExtensionName(web_contents, origin_url, &name)) {
+    return base::UTF8ToUTF16(name);
   }
-#endif  // defined(ENABLE_EXTENSIONS)
 
   // Otherwise, return the formatted URL.
   // In this case, force URL to have LTR directionality.
   base::string16 url_string = net::FormatUrl(origin_url, accept_lang);
   return l10n_util::GetStringFUTF16(
       is_alert ? IDS_JAVASCRIPT_ALERT_TITLE
       : IDS_JAVASCRIPT_MESSAGEBOX_TITLE,
       base::i18n::GetDisplayStringInLTRDirectionality(url_string));
 }
 
-void ChromeJavaScriptDialogManager::CancelActiveAndPendingDialogs(
+void JavaScriptDialogManagerImpl::CancelActiveAndPendingDialogs(
     WebContents* web_contents) {
   AppModalDialogQueue* queue = AppModalDialogQueue::GetInstance();
   AppModalDialog* active_dialog = queue->active_dialog();
   if (active_dialog && active_dialog->web_contents() == web_contents)
     active_dialog->Invalidate();
   for (AppModalDialogQueue::iterator i = queue->begin();
        i != queue->end(); ++i) {
     if ((*i)->web_contents() == web_contents)
       (*i)->Invalidate();
   }
 }
 
-void ChromeJavaScriptDialogManager::OnDialogClosed(
+void JavaScriptDialogManagerImpl::OnDialogClosed(
     WebContents* web_contents,
     DialogClosedCallback callback,
     bool success,
     const base::string16& user_input) {
   // If an extension opened this dialog then the extension may shut down its
   // lazy background page after the dialog closes. (Dialogs are closed before
   // their WebContents is destroyed so |web_contents| is still valid here.)
-  DecrementLazyKeepaliveCount(web_contents);
+  extensions_client_->DecrementLazyKeepaliveCount(web_contents);
 
   callback.Run(success, user_input);
 }
-
-}  // namespace
-
-content::JavaScriptDialogManager* GetJavaScriptDialogManagerInstance() {
-  return ChromeJavaScriptDialogManager::GetInstance();
-}