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// Copyright 2014 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.
#ifndef CHROME_BROWSER_ANDROID_TAB_STATE_H_
#define CHROME_BROWSER_ANDROID_TAB_STATE_H_
#include <jni.h>
#include <vector>
#include "base/android/scoped_java_ref.h"
namespace content {
class NavigationEntry;
class WebContents;
}
class TabAndroid;
// Stores state for a WebContents, including its navigation history.
class WebContentsState {
public:
static base::android::ScopedJavaLocalRef<jobject>
GetContentsStateAsByteBuffer(JNIEnv* env, TabAndroid* tab);
// Common implementation for GetContentsStateAsByteBuffer() and
// CreateContentsStateAsByteBuffer(). Does not assume ownership of the
// navigations.
static base::android::ScopedJavaLocalRef<jobject>
WriteNavigationsAsByteBuffer(
JNIEnv* env,
bool is_off_the_record,
const std::vector<content::NavigationEntry*>& navigations,
int current_entry);
// Extracts display title from serialized tab data on restore
static base::android::ScopedJavaLocalRef<jstring>
GetDisplayTitleFromByteBuffer(JNIEnv* env, void* data,
int size, int saved_state_version);
// Extracts virtual url from serialized tab data on restore
static base::android::ScopedJavaLocalRef<jstring>
GetVirtualUrlFromByteBuffer(JNIEnv* env, void* data,
int size, int saved_state_version);
// Restores a WebContents from the passed in state.
static content::WebContents* RestoreContentsFromByteBuffer(
void* data,
int size,
int saved_state_version,
bool initially_hidden);
// Restores a WebContents from the passed in state.
static content::WebContents* RestoreContentsFromByteBuffer(
JNIEnv* env,
jclass clazz,
jobject state,
jint saved_state_version,
jboolean initially_hidden);
// Synthesizes a stub, single-navigation state for a tab that will be loaded
// lazily.
static base::android::ScopedJavaLocalRef<jobject>
CreateSingleNavigationStateAsByteBuffer(JNIEnv* env, jstring url,
jstring referrer_url,
jint referrer_policy,
jboolean is_off_the_record);
};
// Registers methods for JNI.
bool RegisterTabState(JNIEnv* env);
#endif // CHROME_BROWSER_ANDROID_TAB_STATE_H_
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