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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
#define CHROME_BROWSER_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
#include <map>
#include <memory>
#include <optional>
#include <vector>
#include "base/android/scoped_java_ref.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "chrome/browser/ui/android/tab_model/android_live_tab_context_wrapper.h"
#include "components/sessions/core/tab_restore_service.h"
#include "components/sessions/core/tab_restore_service_observer.h"
class Profile;
namespace recent_tabs {
// Used to iterating over sessions::TabRestoreService::Entries in most recently
// added tab to least recently added tab order.
class TabIterator {
public:
using iterator_category = std::forward_iterator_tag;
using difference_type = size_t;
using value_type = sessions::tab_restore::Tab;
using pointer = value_type*;
using reference = value_type&;
TabIterator(const sessions::TabRestoreService::Entries& entries,
sessions::TabRestoreService::Entries::const_iterator it);
~TabIterator();
static TabIterator begin(const sessions::TabRestoreService::Entries& entries);
static TabIterator end(const sessions::TabRestoreService::Entries& entries);
// Whether the current entry is a sessions::tab_restore::Tab.
bool IsCurrentEntryTab() const;
// Gets an iterator to the current entry being traversed.
sessions::TabRestoreService::Entries::const_iterator CurrentEntry() const;
TabIterator& operator++();
TabIterator operator++(int);
bool operator==(TabIterator other) const;
const sessions::tab_restore::Tab& operator*() const;
const sessions::tab_restore::Tab* operator->() const;
private:
void SetupInnerTabList();
const raw_ref<const sessions::TabRestoreService::Entries> entries_;
sessions::TabRestoreService::Entries::const_iterator current_entry_;
raw_ptr<const std::vector<std::unique_ptr<sessions::tab_restore::Tab>>>
tabs_ = nullptr;
std::optional<std::vector<
std::unique_ptr<sessions::tab_restore::Tab>>::const_reverse_iterator>
current_tab_ = std::nullopt;
};
// Provides the list of recently closed tabs to Java.
class RecentlyClosedTabsBridge : public sessions::TabRestoreServiceObserver {
public:
RecentlyClosedTabsBridge(base::android::ScopedJavaGlobalRef<jobject> jbridge,
Profile* profile);
RecentlyClosedTabsBridge(const RecentlyClosedTabsBridge&) = delete;
RecentlyClosedTabsBridge& operator=(const RecentlyClosedTabsBridge&) = delete;
void Destroy(JNIEnv* env);
jboolean GetRecentlyClosedEntries(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jentries,
jint max_entry_count);
jboolean OpenRecentlyClosedTab(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jtab_model,
jint tab_session_id,
jint j_disposition);
jboolean OpenRecentlyClosedEntry(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jtab_model,
jint session_id);
jboolean OpenMostRecentlyClosedEntry(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jtab_model);
void ClearRecentlyClosedEntries(JNIEnv* env);
// Observer callback for TabRestoreServiceObserver. Notifies the Java bridge
// that the recently closed tabs list has changed.
void TabRestoreServiceChanged(sessions::TabRestoreService* service) override;
// Observer callback when our associated TabRestoreService is destroyed.
void TabRestoreServiceDestroyed(
sessions::TabRestoreService* service) override;
private:
~RecentlyClosedTabsBridge() override;
// Construct and initialize tab_restore_service_ if it's NULL.
// tab_restore_service_ may still be NULL, however, in incognito mode.
void EnsureTabRestoreService();
void RestoreAndroidTabGroups(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jtab_model,
const std::map<tab_groups::TabGroupId,
AndroidLiveTabContextRestoreWrapper::TabGroup>& groups);
// The Java RecentlyClosedBridge.
base::android::ScopedJavaGlobalRef<jobject> bridge_;
// The profile whose recently closed tabs are being monitored.
raw_ptr<Profile> profile_;
// TabRestoreService that we are observing.
raw_ptr<sessions::TabRestoreService> tab_restore_service_;
};
} // namespace recent_tabs
#endif // CHROME_BROWSER_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
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