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// 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/browser/android/recently_closed_tabs_bridge.h"
#include "base/android/jni_string.h"
#include "chrome/browser/android/tab_android.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_android.h"
#include "chrome/browser/sessions/session_restore.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "components/sessions/core/tab_restore_service.h"
#include "content/public/browser/web_contents.h"
#include "jni/RecentlyClosedBridge_jni.h"
using base::android::AttachCurrentThread;
using base::android::ConvertUTF16ToJavaString;
using base::android::ConvertUTF8ToJavaString;
using base::android::ScopedJavaLocalRef;
namespace {
void AddTabToList(JNIEnv* env,
sessions::TabRestoreService::Entry* entry,
jobject jtabs_list) {
const sessions::TabRestoreService::Tab* tab =
static_cast<sessions::TabRestoreService::Tab*>(entry);
const sessions::SerializedNavigationEntry& current_navigation =
tab->navigations.at(tab->current_navigation_index);
Java_RecentlyClosedBridge_pushTab(
env, jtabs_list, entry->id,
ConvertUTF16ToJavaString(env, current_navigation.title()).obj(),
ConvertUTF8ToJavaString(env, current_navigation.virtual_url().spec())
.obj());
}
void AddTabsToList(JNIEnv* env,
const sessions::TabRestoreService::Entries& entries,
jobject jtabs_list,
int max_tab_count) {
int added_count = 0;
for (sessions::TabRestoreService::Entries::const_iterator it =
entries.begin();
it != entries.end() && added_count < max_tab_count; ++it) {
sessions::TabRestoreService::Entry* entry = *it;
DCHECK_EQ(entry->type, sessions::TabRestoreService::TAB);
if (entry->type == sessions::TabRestoreService::TAB) {
AddTabToList(env, entry, jtabs_list);
++added_count;
}
}
}
} // namespace
RecentlyClosedTabsBridge::RecentlyClosedTabsBridge(Profile* profile)
: profile_(profile),
tab_restore_service_(NULL) {
}
RecentlyClosedTabsBridge::~RecentlyClosedTabsBridge() {
if (tab_restore_service_)
tab_restore_service_->RemoveObserver(this);
}
void RecentlyClosedTabsBridge::Destroy(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
delete this;
}
void RecentlyClosedTabsBridge::SetRecentlyClosedCallback(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jcallback) {
callback_.Reset(env, jcallback);
}
jboolean RecentlyClosedTabsBridge::GetRecentlyClosedTabs(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jtabs_list,
jint max_tab_count) {
EnsureTabRestoreService();
if (!tab_restore_service_)
return false;
AddTabsToList(env, tab_restore_service_->entries(), jtabs_list,
max_tab_count);
return true;
}
jboolean RecentlyClosedTabsBridge::OpenRecentlyClosedTab(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jtab,
jint recent_tab_id,
jint j_disposition) {
if (!tab_restore_service_)
return false;
// Find and remove the corresponding tab entry from TabRestoreService.
// We take ownership of the returned tab.
scoped_ptr<sessions::TabRestoreService::Tab> tab_entry(
tab_restore_service_->RemoveTabEntryById(recent_tab_id));
if (!tab_entry)
return false;
TabAndroid* tab_android = TabAndroid::GetNativeTab(env, jtab);
if (!tab_android)
return false;
content::WebContents* web_contents = tab_android->web_contents();
if (!web_contents)
return false;
// RestoreForeignSessionTab needs a SessionTab.
sessions::SessionTab session_tab;
session_tab.current_navigation_index = tab_entry->current_navigation_index;
session_tab.navigations = tab_entry->navigations;
WindowOpenDisposition disposition =
static_cast<WindowOpenDisposition>(j_disposition);
SessionRestore::RestoreForeignSessionTab(web_contents,
session_tab,
disposition);
return true;
}
void RecentlyClosedTabsBridge::ClearRecentlyClosedTabs(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
EnsureTabRestoreService();
if (tab_restore_service_)
tab_restore_service_->ClearEntries();
}
void RecentlyClosedTabsBridge::TabRestoreServiceChanged(
sessions::TabRestoreService* service) {
if (callback_.is_null())
return;
JNIEnv* env = AttachCurrentThread();
Java_RecentlyClosedCallback_onUpdated(env, callback_.obj());
}
void RecentlyClosedTabsBridge::TabRestoreServiceDestroyed(
sessions::TabRestoreService* service) {
tab_restore_service_ = NULL;
}
void RecentlyClosedTabsBridge::EnsureTabRestoreService() {
if (tab_restore_service_)
return;
tab_restore_service_ = TabRestoreServiceFactory::GetForProfile(profile_);
// TabRestoreServiceFactory::GetForProfile() can return NULL (e.g. in
// incognito mode).
if (tab_restore_service_) {
// This does nothing if the tabs have already been loaded or they
// shouldn't be loaded.
tab_restore_service_->LoadTabsFromLastSession();
tab_restore_service_->AddObserver(this);
}
}
static jlong Init(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jprofile) {
RecentlyClosedTabsBridge* bridge = new RecentlyClosedTabsBridge(
ProfileAndroid::FromProfileAndroid(jprofile));
return reinterpret_cast<intptr_t>(bridge);
}
// static
bool RecentlyClosedTabsBridge::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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