chrome/browser/ui/android/tab_model/tab_model_jni_bridge.cc

   1 // Copyright 2014 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/ui/android/tab_model/tab_model_jni_bridge.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_string.h"
   9 #include "base/android/jni_weak_ref.h"
  10 #include "base/metrics/histogram.h"
  11 #include "base/time/time.h"
  12 #include "chrome/browser/android/tab_android.h"
  13 #include "chrome/browser/browser_process.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/profiles/profile_android.h"
  16 #include "chrome/browser/profiles/profile_manager.h"
  17 #include "chrome/browser/tab_contents/tab_util.h"
  18 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
  19 #include "content/public/browser/web_contents.h"
  20 #include "jni/TabModelJniBridge_jni.h"
  21
  22 using base::android::AttachCurrentThread;
  23 using base::android::ConvertUTF8ToJavaString;
  24 using content::WebContents;
  25
  26 namespace {
  27
  28 static Profile* FindProfile(jboolean is_incognito) {
  29   if (g_browser_process == NULL ||
  30       g_browser_process->profile_manager() == NULL) {
  31     LOG(ERROR) << "Browser process or profile manager not initialized";
  32     return NULL;
  33   }
  34   Profile* profile = ProfileManager::GetActiveUserProfile();
  35   if (is_incognito)
  36     return profile->GetOffTheRecordProfile();
  37   return profile;
  38 }
  39
  40 }  // namespace
  41
  42 TabModelJniBridge::TabModelJniBridge(JNIEnv* env,
  43                                      jobject jobj,
  44                                      bool is_incognito)
  45     : TabModel(FindProfile(is_incognito)),
  46       java_object_(env, env->NewWeakGlobalRef(jobj)) {
  47   TabModelList::AddTabModel(this);
  48 }
  49
  50 void TabModelJniBridge::Destroy(JNIEnv* env, jobject obj) {
  51   delete this;
  52 }
  53
  54 ScopedJavaLocalRef<jobject> TabModelJniBridge::GetProfileAndroid(JNIEnv* env,
  55                                                                  jobject obj) {
  56   ProfileAndroid* profile_android = ProfileAndroid::FromProfile(GetProfile());
  57   if (!profile_android)
  58     return ScopedJavaLocalRef<jobject>();
  59   return profile_android->GetJavaObject();
  60 }
  61
  62 void TabModelJniBridge::TabAddedToModel(JNIEnv* env,
  63                                         jobject obj,
  64                                         jobject jtab) {
  65   TabAndroid* tab = TabAndroid::GetNativeTab(env, jtab);
  66
  67   // Tab#initialize() should have been called by now otherwise we can't push
  68   // the window id.
  69   DCHECK(tab);
  70
  71   tab->SetWindowSessionID(GetSessionId());
  72 }
  73
  74 int TabModelJniBridge::GetTabCount() const {
  75   JNIEnv* env = AttachCurrentThread();
  76   return Java_TabModelJniBridge_getCount(env, java_object_.get(env).obj());
  77 }
  78
  79 int TabModelJniBridge::GetActiveIndex() const {
  80   JNIEnv* env = AttachCurrentThread();
  81   return Java_TabModelJniBridge_index(env, java_object_.get(env).obj());
  82 }
  83
  84 void TabModelJniBridge::CreateTab(WebContents* web_contents,
  85                                   int parent_tab_id) {
  86   JNIEnv* env = AttachCurrentThread();
  87   Java_TabModelJniBridge_createTabWithWebContents(
  88       env, java_object_.get(env).obj(),
  89       web_contents->GetBrowserContext()->IsOffTheRecord(),
  90       web_contents->GetJavaWebContents().obj(),
  91       parent_tab_id);
  92 }
  93
  94 WebContents* TabModelJniBridge::GetWebContentsAt(int index) const {
  95   TabAndroid* tab = GetTabAt(index);
  96   return tab == NULL ? NULL : tab->web_contents();
  97 }
  98
  99 TabAndroid* TabModelJniBridge::GetTabAt(int index) const {
 100   JNIEnv* env = AttachCurrentThread();
 101   ScopedJavaLocalRef<jobject> jtab =
 102       Java_TabModelJniBridge_getTabAt(env,
 103                                       java_object_.get(env).obj(),
 104                                       index);
 105
 106   return jtab.is_null() ?
 107       NULL : TabAndroid::GetNativeTab(env, jtab.obj());
 108 }
 109
 110 void TabModelJniBridge::SetActiveIndex(int index) {
 111   JNIEnv* env = AttachCurrentThread();
 112   Java_TabModelJniBridge_setIndex(env, java_object_.get(env).obj(), index);
 113 }
 114
 115 void TabModelJniBridge::CloseTabAt(int index) {
 116   JNIEnv* env = AttachCurrentThread();
 117   Java_TabModelJniBridge_closeTabAt(env,
 118                                     java_object_.get(env).obj(),
 119                                     index);
 120 }
 121
 122 WebContents* TabModelJniBridge::CreateNewTabForDevTools(
 123     const GURL& url) {
 124   // TODO(dfalcantara): Change the Java side so that it creates and returns the
 125   //                    WebContents, which we can load the URL on and return.
 126   JNIEnv* env = AttachCurrentThread();
 127   ScopedJavaLocalRef<jstring> jurl = ConvertUTF8ToJavaString(env, url.spec());
 128   ScopedJavaLocalRef<jobject> obj =
 129       Java_TabModelJniBridge_createNewTabForDevTools(
 130           env,
 131           java_object_.get(env).obj(),
 132           jurl.obj());
 133   if (obj.is_null()) {
 134     VLOG(0) << "Failed to create java tab";
 135     return NULL;
 136   }
 137   TabAndroid* tab = TabAndroid::GetNativeTab(env, obj.obj());
 138   if (!tab) {
 139     VLOG(0) << "Failed to create java tab";
 140     return NULL;
 141   }
 142   return tab->web_contents();
 143 }
 144
 145 bool TabModelJniBridge::IsSessionRestoreInProgress() const {
 146   JNIEnv* env = AttachCurrentThread();
 147   return Java_TabModelJniBridge_isSessionRestoreInProgress(
 148       env, java_object_.get(env).obj());
 149 }
 150
 151 void TabModelJniBridge::BroadcastSessionRestoreComplete(JNIEnv* env,
 152                                                         jobject obj) {
 153   TabModel::BroadcastSessionRestoreComplete();
 154 }
 155
 156 inline static base::TimeDelta GetTimeDelta(jlong ms) {
 157   return base::TimeDelta::FromMilliseconds(static_cast<int64>(ms));
 158 }
 159
 160 void LogFromCloseMetric(JNIEnv* env,
 161                         jclass jcaller,
 162                         jlong ms,
 163                         jboolean perceived) {
 164   if (perceived) {
 165     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromCloseLatency_Perceived",
 166                         GetTimeDelta(ms));
 167   } else {
 168     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromCloseLatency_Actual",
 169                         GetTimeDelta(ms));
 170   }
 171 }
 172
 173 void LogFromExitMetric(JNIEnv* env,
 174                        jclass jcaller,
 175                        jlong ms,
 176                        jboolean perceived) {
 177   if (perceived) {
 178     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromExitLatency_Perceived",
 179                         GetTimeDelta(ms));
 180   } else {
 181     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromExitLatency_Actual",
 182                         GetTimeDelta(ms));
 183   }
 184 }
 185
 186 void LogFromNewMetric(JNIEnv* env,
 187                       jclass jcaller,
 188                       jlong ms,
 189                       jboolean perceived) {
 190   if (perceived) {
 191     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromNewLatency_Perceived",
 192                         GetTimeDelta(ms));
 193   } else {
 194     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromNewLatency_Actual",
 195                         GetTimeDelta(ms));
 196   }
 197 }
 198
 199 void LogFromUserMetric(JNIEnv* env,
 200                        jclass jcaller,
 201                        jlong ms,
 202                        jboolean perceived) {
 203   if (perceived) {
 204     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromUserLatency_Perceived",
 205                         GetTimeDelta(ms));
 206   } else {
 207     UMA_HISTOGRAM_TIMES("Tabs.SwitchFromUserLatency_Actual",
 208                         GetTimeDelta(ms));
 209   }
 210 }
 211
 212 TabModelJniBridge::~TabModelJniBridge() {
 213   TabModelList::RemoveTabModel(this);
 214 }
 215
 216 bool TabModelJniBridge::Register(JNIEnv* env) {
 217   return RegisterNativesImpl(env);
 218 }
 219
 220 static jlong Init(JNIEnv* env, jobject obj, jboolean is_incognito) {
 221   TabModel* tab_model = new TabModelJniBridge(env, obj, is_incognito);
 222   return reinterpret_cast<intptr_t>(tab_model);
 223 }