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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/android/tab_android.h"
      6 
      7 #include "chrome/browser/browser_process.h"
      8 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
      9 #include "chrome/browser/extensions/tab_helper.h"
     10 #include "chrome/browser/favicon/favicon_tab_helper.h"
     11 #include "chrome/browser/history/history_tab_helper.h"
     12 #include "chrome/browser/infobars/infobar_service.h"
     13 #include "chrome/browser/password_manager/password_manager.h"
     14 #include "chrome/browser/password_manager/password_manager_delegate_impl.h"
     15 #include "chrome/browser/prerender/prerender_tab_helper.h"
     16 #include "chrome/browser/sessions/session_tab_helper.h"
     17 #include "chrome/browser/ssl/ssl_tab_helper.h"
     18 #include "chrome/browser/translate/translate_tab_helper.h"
     19 #include "chrome/browser/ui/alternate_error_tab_observer.h"
     20 #include "chrome/browser/ui/android/window_android_helper.h"
     21 #include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
     22 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
     23 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
     24 #include "chrome/browser/ui/browser_tab_contents.h"
     25 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
     26 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
     27 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
     28 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
     29 #include "components/autofill/content/browser/autofill_driver_impl.h"
     30 #include "content/public/browser/android/content_view_core.h"
     31 #include "content/public/browser/web_contents.h"
     32 #include "extensions/browser/view_type_utils.h"
     33 #include "jni/TabBase_jni.h"
     34 
     35 using content::WebContents;
     36 
     37 namespace {
     38 
     39 const char kTabHelpersInitializedUserDataKey[] =
     40     "TabAndroidTabHelpersInitialized";
     41 
     42 }  // namespace
     43 
     44 void BrowserTabContents::AttachTabHelpers(WebContents* contents) {
     45   // If already initialized, nothing to be done.
     46   base::SupportsUserData::Data* initialization_tag =
     47       contents->GetUserData(&kTabHelpersInitializedUserDataKey);
     48   if (initialization_tag)
     49     return;
     50 
     51   // Mark as initialized.
     52   contents->SetUserData(&kTabHelpersInitializedUserDataKey,
     53                             new base::SupportsUserData::Data());
     54 
     55   // Set the view type.
     56   extensions::SetViewType(contents, extensions::VIEW_TYPE_TAB_CONTENTS);
     57 
     58   // SessionTabHelper comes first because it sets up the tab ID, and other
     59   // helpers may rely on that.
     60   SessionTabHelper::CreateForWebContents(contents);
     61 
     62   AlternateErrorPageTabObserver::CreateForWebContents(contents);
     63   autofill::TabAutofillManagerDelegate::CreateForWebContents(contents);
     64   autofill::AutofillDriverImpl::CreateForWebContentsAndDelegate(
     65       contents,
     66       autofill::TabAutofillManagerDelegate::FromWebContents(contents),
     67       g_browser_process->GetApplicationLocale(),
     68       autofill::AutofillManager::ENABLE_AUTOFILL_DOWNLOAD_MANAGER);
     69   BlockedContentTabHelper::CreateForWebContents(contents);
     70   BookmarkTabHelper::CreateForWebContents(contents);
     71   CoreTabHelper::CreateForWebContents(contents);
     72   extensions::TabHelper::CreateForWebContents(contents);
     73   FaviconTabHelper::CreateForWebContents(contents);
     74   FindTabHelper::CreateForWebContents(contents);
     75   HistoryTabHelper::CreateForWebContents(contents);
     76   InfoBarService::CreateForWebContents(contents);
     77   PasswordManagerDelegateImpl::CreateForWebContents(contents);
     78   PasswordManager::CreateForWebContentsAndDelegate(
     79       contents, PasswordManagerDelegateImpl::FromWebContents(contents));
     80   PrefsTabHelper::CreateForWebContents(contents);
     81   prerender::PrerenderTabHelper::CreateForWebContents(contents);
     82   SSLTabHelper::CreateForWebContents(contents);
     83   TabSpecificContentSettings::CreateForWebContents(contents);
     84   TranslateTabHelper::CreateForWebContents(contents);
     85   WindowAndroidHelper::CreateForWebContents(contents);
     86 }
     87 
     88 void TabAndroid::InitTabHelpers(WebContents* contents) {
     89   BrowserTabContents::AttachTabHelpers(contents);
     90 }
     91 
     92 WebContents* TabAndroid::InitWebContentsFromView(JNIEnv* env,
     93                                                  jobject content_view) {
     94   content::ContentViewCore* content_view_core =
     95       content::ContentViewCore::GetNativeContentViewCore(env, content_view);
     96   DCHECK(content_view_core);
     97   WebContents* web_contents = content_view_core->GetWebContents();
     98   DCHECK(web_contents);
     99   InitTabHelpers(web_contents);
    100   // Make sure tab id is same as web contents id. This means tab id can change
    101   // based on when web_contents are attached to tab.
    102   // TODO(shashishekhar): Add a new notification for this, so any
    103   // observers can make appropriate state changes.
    104   tab_id_.set_id(SessionTabHelper::FromWebContents(web_contents)
    105                      ->session_id().id());
    106   return web_contents;
    107 }
    108 
    109 TabAndroid::TabAndroid(JNIEnv* env, jobject obj) : weak_java_tab_(env, obj) {
    110   Java_TabBase_setNativePtr(env, obj, reinterpret_cast<jint>(this));
    111 }
    112 
    113 TabAndroid::~TabAndroid() {
    114   JNIEnv* env = base::android::AttachCurrentThread();
    115   ScopedJavaLocalRef<jobject> obj = weak_java_tab_.get(env);
    116   if (obj.is_null())
    117     return;
    118 
    119   Java_TabBase_destroyBase(env, obj.obj());
    120 }
    121 
    122 content::WebContents* TabAndroid::GetWebContents() {
    123   return NULL;
    124 }
    125 
    126 ToolbarModel::SecurityLevel TabAndroid::GetSecurityLevel() {
    127   return ToolbarModelImpl::GetSecurityLevelForWebContents(GetWebContents());
    128 }
    129 
    130 void TabAndroid::RunExternalProtocolDialog(const GURL& url) {
    131 }
    132 
    133 bool TabAndroid::RegisterTabAndroid(JNIEnv* env) {
    134   return RegisterNativesImpl(env);
    135 }
    136