chrome/browser/android/bottombar/contextualsearch/contextual_search_panel.cc

   1 // Copyright 2015 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/bottombar/contextualsearch/contextual_search_panel.h"
   6
   7 #include <set>
   8
   9 #include "base/android/jni_string.h"
  10 #include "base/callback.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/time/time.h"
  13 #include "chrome/browser/android/contextualsearch/contextual_search_delegate.h"
  14 #include "chrome/browser/android/tab_android.h"
  15 #include "chrome/browser/history/history_service_factory.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/search_engines/template_url_service_factory.h"
  18 #include "chrome/browser/ui/android/window_android_helper.h"
  19 #include "components/history/core/browser/history_service.h"
  20 #include "components/navigation_interception/intercept_navigation_delegate.h"
  21 #include "components/variations/variations_associated_data.h"
  22 #include "components/web_contents_delegate_android/web_contents_delegate_android.h"
  23 #include "content/public/browser/android/content_view_core.h"
  24 #include "content/public/browser/web_contents.h"
  25 #include "jni/ContextualSearchPanel_jni.h"
  26 #include "net/url_request/url_fetcher_impl.h"
  27
  28 using content::ContentViewCore;
  29
  30 namespace {
  31
  32 const int kHistoryDeletionWindowSeconds = 2;
  33
  34 // Because we need a callback, this needs to exist.
  35 void OnHistoryDeletionDone() {
  36 }
  37
  38 }  // namespace
  39
  40 // This class manages the native behavior of the Contextual Search feature.
  41 // Instances of this class are owned by the Java ContextualSearchPanel.
  42 ContextualSearchPanel::ContextualSearchPanel(JNIEnv* env, jobject obj) {
  43   java_manager_.Reset(env, obj);
  44   Java_ContextualSearchPanel_setNativePanelContentPtr(
  45       env, obj, reinterpret_cast<intptr_t>(this));
  46 }
  47
  48 ContextualSearchPanel::~ContextualSearchPanel() {
  49   JNIEnv* env = base::android::AttachCurrentThread();
  50   Java_ContextualSearchPanel_clearNativePanelContentPtr(
  51       env, java_manager_.obj());
  52 }
  53
  54 void ContextualSearchPanel::Destroy(JNIEnv* env, jobject obj) { delete this; }
  55
  56 void ContextualSearchPanel::RemoveLastHistoryEntry(
  57     JNIEnv* env,
  58     jobject obj,
  59     jstring search_url,
  60     jlong search_start_time_ms) {
  61   // The deletion window is from the time a search URL was put in history, up
  62   // to a short amount of time later.
  63   base::Time begin_time = base::Time::FromJsTime(search_start_time_ms);
  64   base::Time end_time = begin_time +
  65       base::TimeDelta::FromSeconds(kHistoryDeletionWindowSeconds);
  66
  67   history::HistoryService* service = HistoryServiceFactory::GetForProfile(
  68       ProfileManager::GetActiveUserProfile(),
  69       ServiceAccessType::EXPLICIT_ACCESS);
  70   if (service) {
  71     // NOTE(mathp): We are only removing |search_url| from the local history
  72     // because search results that are not promoted to a Tab do not make it to
  73     // the web history, only local.
  74     std::set<GURL> restrict_set;
  75     restrict_set.insert(
  76         GURL(base::android::ConvertJavaStringToUTF8(env, search_url)));
  77     service->ExpireHistoryBetween(
  78         restrict_set,
  79         begin_time,
  80         end_time,
  81         base::Bind(&OnHistoryDeletionDone),
  82         &history_task_tracker_);
  83   }
  84 }
  85
  86 void ContextualSearchPanel::SetWebContents(JNIEnv* env,
  87                                              jobject obj,
  88                                              jobject jcontent_view_core,
  89                                              jobject jweb_contents_delegate) {
  90   content::ContentViewCore* content_view_core =
  91       content::ContentViewCore::GetNativeContentViewCore(env,
  92                                                          jcontent_view_core);
  93   DCHECK(content_view_core);
  94   DCHECK(content_view_core->GetWebContents());
  95
  96   // NOTE(pedrosimonetti): Takes ownership of the WebContents associated
  97   // with the ContentViewCore. This is to make sure that the WebContens
  98   // and the Compositor are in the same process.
  99   // TODO(pedrosimonetti): Confirm with dtrainor@ if the comment above
 100   // is accurate.
 101   web_contents_.reset(content_view_core->GetWebContents());
 102   // TODO(pedrosimonetti): confirm if we need this after promoting it
 103   // to a real tab.
 104   TabAndroid::AttachTabHelpers(web_contents_.get());
 105   WindowAndroidHelper::FromWebContents(web_contents_.get())
 106       ->SetWindowAndroid(content_view_core->GetWindowAndroid());
 107   web_contents_delegate_.reset(
 108       new web_contents_delegate_android::WebContentsDelegateAndroid(
 109           env, jweb_contents_delegate));
 110   web_contents_->SetDelegate(web_contents_delegate_.get());
 111 }
 112
 113 void ContextualSearchPanel::DestroyWebContents(JNIEnv* env, jobject jobj) {
 114   DCHECK(web_contents_.get());
 115   web_contents_.reset();
 116   // |web_contents_delegate_| may already be NULL at this point.
 117   web_contents_delegate_.reset();
 118 }
 119
 120 void ContextualSearchPanel::SetInterceptNavigationDelegate(
 121     JNIEnv* env,
 122     jobject obj,
 123     jobject delegate,
 124     jobject jweb_contents) {
 125   content::WebContents* web_contents =
 126       content::WebContents::FromJavaWebContents(jweb_contents);
 127   DCHECK(web_contents);
 128   navigation_interception::InterceptNavigationDelegate::Associate(
 129       web_contents,
 130       make_scoped_ptr(new navigation_interception::InterceptNavigationDelegate(
 131           env, delegate)));
 132 }
 133
 134 bool RegisterContextualSearchPanel(JNIEnv* env) {
 135   return RegisterNativesImpl(env);
 136 }
 137
 138 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
 139   ContextualSearchPanel* manager = new ContextualSearchPanel(env, obj);
 140   return reinterpret_cast<intptr_t>(manager);
 141 }