root/chrome/android/java/src/org/chromium/chrome/browser/NewTabPagePrefs.java

DEFINITIONS

1. destroy
2. setSnapshotDocumentCollapsed
3. getSnapshotDocumentCollapsed
4. setRecentlyClosedTabsCollapsed
5. getRecentlyClosedTabsCollapsed
6. setSyncPromoCollapsed
7. getSyncPromoCollapsed
8. setForeignSessionCollapsed
9. getForeignSessionCollapsed
10. nativeInit
11. nativeDestroy
12. nativeSetSnapshotDocumentCollapsed
13. nativeGetSnapshotDocumentCollapsed
14. nativeSetRecentlyClosedTabsCollapsed
15. nativeGetRecentlyClosedTabsCollapsed
16. nativeSetSyncPromoCollapsed
17. nativeGetSyncPromoCollapsed
18. nativeSetForeignSessionCollapsed
19. nativeGetForeignSessionCollapsed

// 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.

package org.chromium.chrome.browser;

import org.chromium.chrome.browser.ForeignSessionHelper.ForeignSession;
import org.chromium.chrome.browser.profiles.Profile;

/**
 * This class allows Java code to read and modify preferences related to the NTP
 */
public class NewTabPagePrefs {
    private long mNativeNewTabPagePrefs;

    /**
     * Initialize this class with the given profile.
     * @param profile Profile that will be used for syncing.
     */
    public NewTabPagePrefs(Profile profile) {
        mNativeNewTabPagePrefs = nativeInit(profile);
    }

    /**
     * Clean up the C++ side of this class. After the call, this class instance shouldn't be used.
     */
    public void destroy() {
        assert mNativeNewTabPagePrefs != 0;
        nativeDestroy(mNativeNewTabPagePrefs);
        mNativeNewTabPagePrefs = 0;
    }

    /**
     * Set snapshot document list collapsed or uncollapsed state in preferences.
     * @param isCollapsed {@code True} Whether we want the snapshot documents list to be collapsed.
     */
    public void setSnapshotDocumentCollapsed(boolean isCollapsed) {
        nativeSetSnapshotDocumentCollapsed(mNativeNewTabPagePrefs, isCollapsed);
    }

    /**
     * Get the snapshot document list collapsed or uncollapsed state in preferences.
     * @return {@code True} Whether the snapshot documnets list is collapsed.
     */
    public boolean getSnapshotDocumentCollapsed() {
        return nativeGetSnapshotDocumentCollapsed(mNativeNewTabPagePrefs);
    }

    /**
     * Set recently closed tabs list collapsed or uncollapsed state in preferences.
     * @param isCollapsed {@code True} Whether we want the recently closed tabs list to be
     * collapsed.
     */
    public void setRecentlyClosedTabsCollapsed(boolean isCollapsed) {
        nativeSetRecentlyClosedTabsCollapsed(mNativeNewTabPagePrefs, isCollapsed);
    }

    /**
     * Get the recently closed document list collapsed or uncollapsed state in preferences.
     * @return {@code True} Whether the recently closed list is collapsed.
     */
    public boolean getRecentlyClosedTabsCollapsed() {
        return nativeGetRecentlyClosedTabsCollapsed(mNativeNewTabPagePrefs);
    }

    /**
     * Set sync promo collapsed or uncollapsed state in preferences.
     * @param isCollapsed {@code True} Whether we want the sync promo to be collapsed.
     */
    public void setSyncPromoCollapsed(boolean isCollapsed) {
        nativeSetSyncPromoCollapsed(mNativeNewTabPagePrefs, isCollapsed);
    }

    /**
     * Get the sync promo collapsed or uncollapsed state in preferences.
     * @return {@code True} Whether the snapshot documnets list is collapsed.
     */
    public boolean getSyncPromoCollapsed() {
        return nativeGetSyncPromoCollapsed(mNativeNewTabPagePrefs);
    }

    /**
     * Set the given session collapsed or uncollapsed in preferences.
     * @param session     Session to set collapsed or uncollapsed.
     * @param isCollapsed {@code True} iff we want the session to be collapsed.
     */
    public void setForeignSessionCollapsed(ForeignSession session, boolean isCollapsed) {
        nativeSetForeignSessionCollapsed(mNativeNewTabPagePrefs, session.tag, isCollapsed);
    }

    /**
     * Get the given session collapsed or uncollapsed state in preferences.
     * @param  session Session to fetch collapsed state.
     * @return         {@code True} if the session is collapsed, false if expanded.
     */
    public boolean getForeignSessionCollapsed(ForeignSession session) {
        return nativeGetForeignSessionCollapsed(mNativeNewTabPagePrefs, session.tag);
    }

    private static native long nativeInit(Profile profile);
    private static native void nativeDestroy(long nativeNewTabPagePrefs);
    private static native void nativeSetSnapshotDocumentCollapsed(
            long nativeNewTabPagePrefs, boolean isCollapsed);
    private static native boolean nativeGetSnapshotDocumentCollapsed(
            long nativeNewTabPagePrefs);
    private static native void nativeSetRecentlyClosedTabsCollapsed(
            long nativeNewTabPagePrefs, boolean isCollapsed);
    private static native boolean nativeGetRecentlyClosedTabsCollapsed(
            long nativeNewTabPagePrefs);
    private static native void nativeSetSyncPromoCollapsed(long nativeNewTabPagePrefs,
            boolean isCollapsed);
    private static native boolean nativeGetSyncPromoCollapsed(long nativeNewTabPagePrefs);
    private static native void nativeSetForeignSessionCollapsed(
            long nativeNewTabPagePrefs, String sessionTag, boolean isCollapsed);
    private static native boolean nativeGetForeignSessionCollapsed(
            long nativeNewTabPagePrefs, String sessionTag);
}