FileDocCategorySizeDatePackage
InstallShortcutReceiver.javaAPI DocAndroid 1.5 API4120Wed May 06 22:42:46 BST 2009com.android.launcher

InstallShortcutReceiver

public class InstallShortcutReceiver extends android.content.BroadcastReceiver

Fields Summary
private final int[]
mCoordinates
Constructors Summary
Methods Summary
private static booleanfindEmptyCell(android.content.Context context, int[] xy, int screen)

        final int xCount = Launcher.NUMBER_CELLS_X;
        final int yCount = Launcher.NUMBER_CELLS_Y;

        boolean[][] occupied = new boolean[xCount][yCount];

        final ContentResolver cr = context.getContentResolver();
        Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI,
            new String[] { LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY,
                    LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY },
            LauncherSettings.Favorites.SCREEN + "=?",
            new String[] { String.valueOf(screen) }, null);

        final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX);
        final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY);
        final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX);
        final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY);

        try {
            while (c.moveToNext()) {
                int cellX = c.getInt(cellXIndex);
                int cellY = c.getInt(cellYIndex);
                int spanX = c.getInt(spanXIndex);
                int spanY = c.getInt(spanYIndex);

                for (int x = cellX; x < cellX + spanX && x < xCount; x++) {
                    for (int y = cellY; y < cellY + spanY && y < yCount; y++) {
                        occupied[x][y] = true;
                    }
                }
            }
        } catch (Exception e) {
            return false;
        } finally {
            c.close();
        }

        return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied);
private booleaninstallShortcut(android.content.Context context, android.content.Intent data, int screen)

        if (findEmptyCell(context, mCoordinates, screen)) {
            CellLayout.CellInfo cell = new CellLayout.CellInfo();
            cell.cellX = mCoordinates[0];
            cell.cellY = mCoordinates[1];
            cell.screen = screen;

            Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
            String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);

            if (intent.getAction() == null) {
                intent.setAction(Intent.ACTION_VIEW);
            }

            // By default, we allow for duplicate entries (located in
            // different places)
            boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);
            if (duplicate || !LauncherModel.shortcutExists(context, name, intent)) {
                Launcher.addShortcut(context, data, cell, true);
            }

            return true;
        }

        return false;
public voidonReceive(android.content.Context context, android.content.Intent data)


          
        int screen = Launcher.getScreen();

        if (!installShortcut(context, data, screen)) {
            // The target screen is full, let's try the other screens
            for (int i = 0; i < Launcher.SCREEN_COUNT; i++) {
                if (i != screen && installShortcut(context, data, i)) break;
            }
        }