diff options
Diffstat (limited to 'src/com/android/launcher3/FocusHelper.java')
| -rw-r--r-- | src/com/android/launcher3/FocusHelper.java | 905 |
1 files changed, 380 insertions, 525 deletions
diff --git a/src/com/android/launcher3/FocusHelper.java b/src/com/android/launcher3/FocusHelper.java index e60704718..b090a7c3f 100644 --- a/src/com/android/launcher3/FocusHelper.java +++ b/src/com/android/launcher3/FocusHelper.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 The Android Open Source Project + * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,20 +17,20 @@ package com.android.launcher3; import android.content.res.Configuration; +import android.util.Log; import android.view.KeyEvent; import android.view.SoundEffectConstants; import android.view.View; import android.view.ViewGroup; -import android.widget.ScrollView; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; +import com.android.launcher3.FocusHelper.PagedViewKeyListener; +import com.android.launcher3.util.FocusLogic; /** * A keyboard listener we set on all the workspace icons. */ class IconKeyEventListener implements View.OnKeyListener { + @Override public boolean onKey(View v, int keyCode, KeyEvent event) { return FocusHelper.handleIconKeyEvent(v, keyCode, event); } @@ -40,6 +40,7 @@ class IconKeyEventListener implements View.OnKeyListener { * A keyboard listener we set on all the workspace icons. */ class FolderKeyEventListener implements View.OnKeyListener { + @Override public boolean onKey(View v, int keyCode, KeyEvent event) { return FocusHelper.handleFolderKeyEvent(v, keyCode, event); } @@ -49,30 +50,58 @@ class FolderKeyEventListener implements View.OnKeyListener { * A keyboard listener we set on all the hotseat buttons. */ class HotseatIconKeyEventListener implements View.OnKeyListener { + @Override public boolean onKey(View v, int keyCode, KeyEvent event) { - final Configuration configuration = v.getResources().getConfiguration(); - return FocusHelper.handleHotseatButtonKeyEvent(v, keyCode, event, configuration.orientation); + return FocusHelper.handleHotseatButtonKeyEvent(v, keyCode, event); } } public class FocusHelper { + private static final String TAG = "FocusHelper"; + private static final boolean DEBUG = false; + + // + // Key code handling methods. + // + /** - * Returns the Viewgroup containing page contents for the page at the index specified. + * A keyboard listener for scrollable folders */ - private static ViewGroup getAppsCustomizePage(ViewGroup container, int index) { - ViewGroup page = (ViewGroup) ((PagedView) container).getPageAt(index); - if (page instanceof CellLayout) { - // There are two layers, a PagedViewCellLayout and PagedViewCellLayoutChildren - page = ((CellLayout) page).getShortcutsAndWidgets(); + public static class PagedFolderKeyEventListener extends PagedViewKeyListener { + + private final Folder mFolder; + + public PagedFolderKeyEventListener(Folder folder) { + mFolder = folder; + } + + @Override + public void handleNoopKey(int keyCode, View v) { + if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { + mFolder.mFolderName.requestFocus(); + playSoundEffect(keyCode, v); + } } - return page; } /** - * Handles key events in a PageViewCellLayout containing PagedViewIcons. + * Handles key events in the all apps screen. */ - static boolean handleAppsCustomizeKeyEvent(View v, int keyCode, KeyEvent e) { + public static class PagedViewKeyListener implements View.OnKeyListener { + + @Override + public boolean onKey(View v, int keyCode, KeyEvent e) { + boolean consume = FocusLogic.shouldConsume(keyCode); + if (e.getAction() == KeyEvent.ACTION_UP) { + return consume; + } + if (DEBUG) { + Log.v(TAG, String.format("Handle ALL APPS keyevent=[%s].", + KeyEvent.keyCodeToString(keyCode))); + } + + // Initialize variables. ViewGroup parentLayout; ViewGroup itemContainer; int countX; @@ -83,591 +112,417 @@ public class FocusHelper { countX = ((CellLayout) parentLayout).getCountX(); countY = ((CellLayout) parentLayout).getCountY(); } else { - itemContainer = parentLayout = (ViewGroup) v.getParent(); - countX = ((PagedViewGridLayout) parentLayout).getCellCountX(); - countY = ((PagedViewGridLayout) parentLayout).getCellCountY(); + if (LauncherAppState.isDogfoodBuild()) { + throw new IllegalStateException("Parent of the focused item is not supported."); + } else { + return false; + } } - // Note we have an extra parent because of the - // PagedViewCellLayout/PagedViewCellLayoutChildren relationship - final PagedView container = (PagedView) parentLayout.getParent(); final int iconIndex = itemContainer.indexOfChild(v); - final int itemCount = itemContainer.getChildCount(); - final int pageIndex = ((PagedView) container).indexToPage(container.indexOfChild(parentLayout)); + final PagedView container = (PagedView) parentLayout.getParent(); + final int pageIndex = container.indexToPage(container.indexOfChild(parentLayout)); final int pageCount = container.getChildCount(); - - final int x = iconIndex % countX; - final int y = iconIndex / countX; - - final int action = e.getAction(); - final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP); ViewGroup newParent = null; - // Side pages do not always load synchronously, so check before focusing child siblings - // willy-nilly View child = null; - boolean wasHandled = false; - switch (keyCode) { - case KeyEvent.KEYCODE_DPAD_LEFT: - if (handleKeyEvent) { - // Select the previous icon or the last icon on the previous page - if (iconIndex > 0) { - itemContainer.getChildAt(iconIndex - 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } else { - if (pageIndex > 0) { - newParent = getAppsCustomizePage(container, pageIndex - 1); - if (newParent != null) { - container.snapToPage(pageIndex - 1); - child = newParent.getChildAt(newParent.getChildCount() - 1); - if (child != null) { - child.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } - } - } - } + // TODO(hyunyoungs): this matrix is not applicable on the last page. + int[][] matrix = FocusLogic.createFullMatrix(countX, countY, true); + + // Process focus. + int newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX, countY, matrix, + iconIndex, pageIndex, pageCount); + if (newIconIndex == FocusLogic.NOOP) { + handleNoopKey(keyCode, v); + return consume; + } + switch (newIconIndex) { + case FocusLogic.PREVIOUS_PAGE_RIGHT_COLUMN: + newParent = getAppsCustomizePage(container, pageIndex -1); + if (newParent != null) { + int row = FocusLogic.findRow(matrix, iconIndex); + container.snapToPage(pageIndex - 1); + // no need to create a new matrix. + child = newParent.getChildAt(matrix[countX-1][row]); } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_RIGHT: - if (handleKeyEvent) { - // Select the next icon or the first icon on the next page - if (iconIndex < (itemCount - 1)) { - itemContainer.getChildAt(iconIndex + 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); - } else { - if (pageIndex < (pageCount - 1)) { - newParent = getAppsCustomizePage(container, pageIndex + 1); - if (newParent != null) { - container.snapToPage(pageIndex + 1); - child = newParent.getChildAt(0); - if (child != null) { - child.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); - } - } - } - } + case FocusLogic.PREVIOUS_PAGE_FIRST_ITEM: + newParent = getAppsCustomizePage(container, pageIndex - 1); + if (newParent != null) { + container.snapToPage(pageIndex - 1); + child = newParent.getChildAt(0); } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_UP: - if (handleKeyEvent) { - // Select the closest icon in the previous row, otherwise select the tab bar - if (y > 0) { - int newiconIndex = ((y - 1) * countX) + x; - itemContainer.getChildAt(newiconIndex).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } + case FocusLogic.PREVIOUS_PAGE_LAST_ITEM: + newParent = getAppsCustomizePage(container, pageIndex - 1); + if (newParent != null) { + container.snapToPage(pageIndex - 1); + child = newParent.getChildAt(newParent.getChildCount() - 1); } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_DOWN: - if (handleKeyEvent) { - // Select the closest icon in the next row, otherwise do nothing - if (y < (countY - 1)) { - int newiconIndex = Math.min(itemCount - 1, ((y + 1) * countX) + x); - int newIconY = newiconIndex / countX; - if (newIconY != y) { - itemContainer.getChildAt(newiconIndex).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } + case FocusLogic.NEXT_PAGE_FIRST_ITEM: + newParent = getAppsCustomizePage(container, pageIndex + 1); + if (newParent != null) { + container.snapToPage(pageIndex + 1); + child = newParent.getChildAt(0); } - wasHandled = true; break; - case KeyEvent.KEYCODE_PAGE_UP: - if (handleKeyEvent) { - // Select the first icon on the previous page, or the first icon on this page - // if there is no previous page - if (pageIndex > 0) { - newParent = getAppsCustomizePage(container, pageIndex - 1); - if (newParent != null) { - container.snapToPage(pageIndex - 1); - child = newParent.getChildAt(0); - if (child != null) { - child.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - } - } else { - itemContainer.getChildAt(0).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } + case FocusLogic.NEXT_PAGE_LEFT_COLUMN: + newParent = getAppsCustomizePage(container, pageIndex + 1); + if (newParent != null) { + container.snapToPage(pageIndex + 1); + int row = FocusLogic.findRow(matrix, iconIndex); + child = newParent.getChildAt(matrix[0][row]); } - wasHandled = true; break; - case KeyEvent.KEYCODE_PAGE_DOWN: - if (handleKeyEvent) { - // Select the first icon on the next page, or the last icon on this page - // if there is no next page - if (pageIndex < (pageCount - 1)) { - newParent = getAppsCustomizePage(container, pageIndex + 1); - if (newParent != null) { - container.snapToPage(pageIndex + 1); - child = newParent.getChildAt(0); - if (child != null) { - child.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } - } else { - itemContainer.getChildAt(itemCount - 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } - wasHandled = true; + case FocusLogic.CURRENT_PAGE_FIRST_ITEM: + child = container.getChildAt(0); break; - case KeyEvent.KEYCODE_MOVE_HOME: - if (handleKeyEvent) { - // Select the first icon on this page - itemContainer.getChildAt(0).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - wasHandled = true; + case FocusLogic.CURRENT_PAGE_LAST_ITEM: + child = itemContainer.getChildAt(itemContainer.getChildCount() - 1); break; - case KeyEvent.KEYCODE_MOVE_END: - if (handleKeyEvent) { - // Select the last icon on this page - itemContainer.getChildAt(itemCount - 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - wasHandled = true; + default: // Go to some item on the current page. + child = itemContainer.getChildAt(newIconIndex); break; - default: break; } - return wasHandled; + if (child != null) { + child.requestFocus(); + playSoundEffect(keyCode, v); + } else { + handleNoopKey(keyCode, v); + } + return consume; + } + + public void handleNoopKey(int keyCode, View v) { } } /** - * Handles key events in the workspace hotseat (bottom of the screen). + * Handles key events in the workspace hot seat (bottom of the screen). + * <p>Currently we don't special case for the phone UI in different orientations, even though + * the hotseat is on the side in landscape mode. This is to ensure that accessibility + * consistency is maintained across rotations. */ - static boolean handleHotseatButtonKeyEvent(View v, int keyCode, KeyEvent e, int orientation) { - ShortcutAndWidgetContainer parent = (ShortcutAndWidgetContainer) v.getParent(); - final CellLayout layout = (CellLayout) parent.getParent(); + static boolean handleHotseatButtonKeyEvent(View v, int keyCode, KeyEvent e) { + boolean consume = FocusLogic.shouldConsume(keyCode); + if (e.getAction() == KeyEvent.ACTION_UP || !consume) { + return consume; + } + int orientation = v.getResources().getConfiguration().orientation; - // NOTE: currently we don't special case for the phone UI in different - // orientations, even though the hotseat is on the side in landscape mode. This - // is to ensure that accessibility consistency is maintained across rotations. - final int action = e.getAction(); - final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP); - boolean wasHandled = false; - switch (keyCode) { - case KeyEvent.KEYCODE_DPAD_LEFT: - if (handleKeyEvent) { - ArrayList<View> views = getCellLayoutChildrenSortedSpatially(layout, parent); - int myIndex = views.indexOf(v); - // Select the previous button, otherwise do nothing - if (myIndex > 0) { - views.get(myIndex - 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } - } - wasHandled = true; - break; - case KeyEvent.KEYCODE_DPAD_RIGHT: - if (handleKeyEvent) { - ArrayList<View> views = getCellLayoutChildrenSortedSpatially(layout, parent); - int myIndex = views.indexOf(v); - // Select the next button, otherwise do nothing - if (myIndex < views.size() - 1) { - views.get(myIndex + 1).requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); - } - } - wasHandled = true; - break; - case KeyEvent.KEYCODE_DPAD_UP: - if (handleKeyEvent) { - final Workspace workspace = (Workspace) - v.getRootView().findViewById(R.id.workspace); - if (workspace != null) { - int pageIndex = workspace.getCurrentPage(); - CellLayout topLayout = (CellLayout) workspace.getChildAt(pageIndex); - ShortcutAndWidgetContainer children = topLayout.getShortcutsAndWidgets(); - final View newIcon = getIconInDirection(layout, children, -1, 1); - // Select the first bubble text view in the current page of the workspace - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } else { - workspace.requestFocus(); - } - } - } - wasHandled = true; - break; - case KeyEvent.KEYCODE_DPAD_DOWN: - // Do nothing - wasHandled = true; - break; - default: break; + if (DEBUG) { + Log.v(TAG, String.format( + "Handle HOTSEAT BUTTONS keyevent=[%s] on hotseat buttons, orientation=%d", + KeyEvent.keyCodeToString(keyCode), orientation)); } - return wasHandled; - } - /** - * Private helper method to get the CellLayoutChildren given a CellLayout index. - */ - private static ShortcutAndWidgetContainer getCellLayoutChildrenForIndex( - ViewGroup container, int i) { - CellLayout parent = (CellLayout) container.getChildAt(i); - return parent.getShortcutsAndWidgets(); - } + // Initialize the variables. + final ShortcutAndWidgetContainer hotseatParent = (ShortcutAndWidgetContainer) v.getParent(); + final CellLayout hotseatLayout = (CellLayout) hotseatParent.getParent(); + Hotseat hotseat = (Hotseat) hotseatLayout.getParent(); - /** - * Private helper method to sort all the CellLayout children in order of their (x,y) spatially - * from top left to bottom right. - */ - private static ArrayList<View> getCellLayoutChildrenSortedSpatially(CellLayout layout, - ViewGroup parent) { - // First we order each the CellLayout children by their x,y coordinates - final int cellCountX = layout.getCountX(); - final int count = parent.getChildCount(); - ArrayList<View> views = new ArrayList<View>(); - for (int j = 0; j < count; ++j) { - views.add(parent.getChildAt(j)); + Workspace workspace = (Workspace) v.getRootView().findViewById(R.id.workspace); + int pageIndex = workspace.getCurrentPage(); + int pageCount = workspace.getChildCount(); + int countX = -1; + int countY = -1; + int iconIndex = findIndexOfView(hotseatParent, v); + + final CellLayout iconLayout = (CellLayout) workspace.getChildAt(pageIndex); + final ViewGroup iconParent = iconLayout.getShortcutsAndWidgets(); + + ViewGroup parent = null; + int[][] matrix = null; + + if (keyCode == KeyEvent.KEYCODE_DPAD_UP && + orientation == Configuration.ORIENTATION_PORTRAIT) { + matrix = FocusLogic.createSparseMatrix(iconLayout, hotseatLayout, orientation, + hotseat.getAllAppsButtonRank(), true /* include all apps icon */); + iconIndex += iconParent.getChildCount(); + countX = iconLayout.getCountX(); + countY = iconLayout.getCountY() + hotseatLayout.getCountY(); + parent = iconParent; + } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT && + orientation == Configuration.ORIENTATION_LANDSCAPE) { + matrix = FocusLogic.createSparseMatrix(iconLayout, hotseatLayout, orientation, + hotseat.getAllAppsButtonRank(), true /* include all apps icon */); + iconIndex += iconParent.getChildCount(); + countX = iconLayout.getCountX() + hotseatLayout.getCountX(); + countY = iconLayout.getCountY(); + parent = iconParent; + } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT && + orientation == Configuration.ORIENTATION_LANDSCAPE) { + keyCode = KeyEvent.KEYCODE_PAGE_DOWN; + }else { + // For other KEYCODE_DPAD_LEFT and KEYCODE_DPAD_RIGHT navigation, do not use the + // matrix extended with hotseat. + matrix = FocusLogic.createSparseMatrix(hotseatLayout); + countX = hotseatLayout.getCountX(); + countY = hotseatLayout.getCountY(); + parent = hotseatParent; } - Collections.sort(views, new Comparator<View>() { - @Override - public int compare(View lhs, View rhs) { - CellLayout.LayoutParams llp = (CellLayout.LayoutParams) lhs.getLayoutParams(); - CellLayout.LayoutParams rlp = (CellLayout.LayoutParams) rhs.getLayoutParams(); - int lvIndex = (llp.cellY * cellCountX) + llp.cellX; - int rvIndex = (rlp.cellY * cellCountX) + rlp.cellX; - return lvIndex - rvIndex; - } - }); - return views; - } - /** - * Private helper method to find the index of the next BubbleTextView or FolderIcon in the - * direction delta. - * - * @param delta either -1 or 1 depending on the direction we want to search - */ - private static View findIndexOfIcon(ArrayList<View> views, int i, int delta) { - // Then we find the next BubbleTextView offset by delta from i - final int count = views.size(); - int newI = i + delta; - while (0 <= newI && newI < count) { - View newV = views.get(newI); - if (newV instanceof BubbleTextView || newV instanceof FolderIcon) { - return newV; - } - newI += delta; + + // Process the focus. + int newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX, countY, matrix, + iconIndex, pageIndex, pageCount); + + View newIcon = null; + if (newIconIndex == FocusLogic.NEXT_PAGE_FIRST_ITEM) { + parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1); + newIcon = parent.getChildAt(0); + // TODO(hyunyoungs): handle cases where the child is not an icon but + // a folder or a widget. + workspace.snapToPage(pageIndex + 1); } - return null; - } - private static View getIconInDirection(CellLayout layout, ViewGroup parent, int i, - int delta) { - final ArrayList<View> views = getCellLayoutChildrenSortedSpatially(layout, parent); - return findIndexOfIcon(views, i, delta); - } - private static View getIconInDirection(CellLayout layout, ViewGroup parent, View v, - int delta) { - final ArrayList<View> views = getCellLayoutChildrenSortedSpatially(layout, parent); - return findIndexOfIcon(views, views.indexOf(v), delta); - } - /** - * Private helper method to find the next closest BubbleTextView or FolderIcon in the direction - * delta on the next line. - * - * @param delta either -1 or 1 depending on the line and direction we want to search - */ - private static View getClosestIconOnLine(CellLayout layout, ViewGroup parent, View v, - int lineDelta) { - final ArrayList<View> views = getCellLayoutChildrenSortedSpatially(layout, parent); - final CellLayout.LayoutParams lp = (CellLayout.LayoutParams) v.getLayoutParams(); - final int cellCountY = layout.getCountY(); - final int row = lp.cellY; - final int newRow = row + lineDelta; - if (0 <= newRow && newRow < cellCountY) { - float closestDistance = Float.MAX_VALUE; - int closestIndex = -1; - int index = views.indexOf(v); - int endIndex = (lineDelta < 0) ? -1 : views.size(); - while (index != endIndex) { - View newV = views.get(index); - CellLayout.LayoutParams tmpLp = (CellLayout.LayoutParams) newV.getLayoutParams(); - boolean satisfiesRow = (lineDelta < 0) ? (tmpLp.cellY < row) : (tmpLp.cellY > row); - if (satisfiesRow && - (newV instanceof BubbleTextView || newV instanceof FolderIcon)) { - float tmpDistance = (float) Math.sqrt(Math.pow(tmpLp.cellX - lp.cellX, 2) + - Math.pow(tmpLp.cellY - lp.cellY, 2)); - if (tmpDistance < closestDistance) { - closestIndex = index; - closestDistance = tmpDistance; - } - } - if (index <= endIndex) { - ++index; - } else { - --index; - } + if (parent == iconParent && newIconIndex >= iconParent.getChildCount()) { + newIconIndex -= iconParent.getChildCount(); + } + if (parent != null) { + if (newIcon == null && newIconIndex >=0) { + newIcon = parent.getChildAt(newIconIndex); } - if (closestIndex > -1) { - return views.get(closestIndex); + if (newIcon != null) { + newIcon.requestFocus(); + playSoundEffect(keyCode, v); } } - return null; + return consume; } /** - * Handles key events in a Workspace containing. + * Handles key events in a workspace containing icons. */ static boolean handleIconKeyEvent(View v, int keyCode, KeyEvent e) { + boolean consume = FocusLogic.shouldConsume(keyCode); + if (e.getAction() == KeyEvent.ACTION_UP || !consume) { + return consume; + } + int orientation = v.getResources().getConfiguration().orientation; + if (DEBUG) { + Log.v(TAG, String.format("Handle WORKSPACE ICONS keyevent=[%s] orientation=%d", + KeyEvent.keyCodeToString(keyCode), orientation)); + } + + // Initialize the variables. ShortcutAndWidgetContainer parent = (ShortcutAndWidgetContainer) v.getParent(); - final CellLayout layout = (CellLayout) parent.getParent(); - final Workspace workspace = (Workspace) layout.getParent(); + CellLayout iconLayout = (CellLayout) parent.getParent(); + final Workspace workspace = (Workspace) iconLayout.getParent(); final ViewGroup launcher = (ViewGroup) workspace.getParent(); final ViewGroup tabs = (ViewGroup) launcher.findViewById(R.id.search_drop_target_bar); - final ViewGroup hotseat = (ViewGroup) launcher.findViewById(R.id.hotseat); - int pageIndex = workspace.indexOfChild(layout); + final Hotseat hotseat = (Hotseat) launcher.findViewById(R.id.hotseat); + int pageIndex = workspace.indexOfChild(iconLayout); int pageCount = workspace.getChildCount(); + int countX = iconLayout.getCountX(); + int countY = iconLayout.getCountY(); + final int iconIndex = findIndexOfView(parent, v); - final int action = e.getAction(); - final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP); - boolean wasHandled = false; - switch (keyCode) { - case KeyEvent.KEYCODE_DPAD_LEFT: - if (handleKeyEvent) { - // Select the previous icon or the last icon on the previous page if possible - View newIcon = getIconInDirection(layout, parent, v, -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } else { - if (pageIndex > 0) { - parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1); - newIcon = getIconInDirection(layout, parent, - parent.getChildCount(), -1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - // Snap to the previous page - workspace.snapToPage(pageIndex - 1); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } - } + CellLayout hotseatLayout = (CellLayout) hotseat.getChildAt(0); + ShortcutAndWidgetContainer hotseatParent = hotseatLayout.getShortcutsAndWidgets(); + int[][] matrix; + + // KEYCODE_DPAD_DOWN in portrait (KEYCODE_DPAD_RIGHT in landscape) is the only key allowed + // to take a user to the hotseat. For other dpad navigation, do not use the matrix extended + // with the hotseat. + if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN && + orientation == Configuration.ORIENTATION_PORTRAIT) { + matrix = FocusLogic.createSparseMatrix(iconLayout, hotseatLayout, orientation, + hotseat.getAllAppsButtonRank(), false /* all apps icon is ignored */); + countY = countY + 1; + } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT && + orientation == Configuration.ORIENTATION_LANDSCAPE) { + matrix = FocusLogic.createSparseMatrix(iconLayout, hotseatLayout, orientation, + hotseat.getAllAppsButtonRank(), false /* all apps icon is ignored */); + countX = countX + 1; + } else if (keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_FORWARD_DEL) { + workspace.removeWorkspaceItem(v); + return consume; + } else { + matrix = FocusLogic.createSparseMatrix(iconLayout); + } + + // Process the focus. + int newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX, countY, matrix, + iconIndex, pageIndex, pageCount); + View newIcon = null; + switch (newIconIndex) { + case FocusLogic.NOOP: + if (keyCode == KeyEvent.KEYCODE_DPAD_UP) { + newIcon = tabs; } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_RIGHT: - if (handleKeyEvent) { - // Select the next icon or the first icon on the next page if possible - View newIcon = getIconInDirection(layout, parent, v, 1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); - } else { - if (pageIndex < (pageCount - 1)) { - parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1); - newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - // Snap to the next page - workspace.snapToPage(pageIndex + 1); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); - } - } + case FocusLogic.PREVIOUS_PAGE_RIGHT_COLUMN: + int row = FocusLogic.findRow(matrix, iconIndex); + parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1); + if (parent != null) { + iconLayout = (CellLayout) parent.getParent(); + matrix = FocusLogic.createSparseMatrix(iconLayout, + iconLayout.getCountX(), row); + newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX + 1, countY, matrix, + FocusLogic.PIVOT, pageIndex - 1, pageCount); + newIcon = parent.getChildAt(newIconIndex); } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_UP: - if (handleKeyEvent) { - // Select the closest icon in the previous line, otherwise select the tab bar - View newIcon = getClosestIconOnLine(layout, parent, v, -1); - if (newIcon != null) { - newIcon.requestFocus(); - wasHandled = true; - } else { - tabs.requestFocus(); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } + case FocusLogic.PREVIOUS_PAGE_FIRST_ITEM: + parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1); + newIcon = parent.getChildAt(0); + workspace.snapToPage(pageIndex - 1); break; - case KeyEvent.KEYCODE_DPAD_DOWN: - if (handleKeyEvent) { - // Select the closest icon in the next line, otherwise select the button bar - View newIcon = getClosestIconOnLine(layout, parent, v, 1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - wasHandled = true; - } else if (hotseat != null) { - hotseat.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } + case FocusLogic.PREVIOUS_PAGE_LAST_ITEM: + parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1); + newIcon = parent.getChildAt(parent.getChildCount() - 1); + workspace.snapToPage(pageIndex - 1); break; - case KeyEvent.KEYCODE_PAGE_UP: - if (handleKeyEvent) { - // Select the first icon on the previous page or the first icon on this page - // if there is no previous page - if (pageIndex > 0) { - parent = getCellLayoutChildrenForIndex(workspace, pageIndex - 1); - View newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - // Snap to the previous page - workspace.snapToPage(pageIndex - 1); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } else { - View newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - } - } - wasHandled = true; + case FocusLogic.NEXT_PAGE_FIRST_ITEM: + parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1); + newIcon = parent.getChildAt(0); + workspace.snapToPage(pageIndex + 1); break; - case KeyEvent.KEYCODE_PAGE_DOWN: - if (handleKeyEvent) { - // Select the first icon on the next page or the last icon on this page - // if there is no previous page - if (pageIndex < (pageCount - 1)) { - parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1); - View newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - // Snap to the next page - workspace.snapToPage(pageIndex + 1); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } else { - View newIcon = getIconInDirection(layout, parent, - parent.getChildCount(), -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } + case FocusLogic.NEXT_PAGE_LEFT_COLUMN: + row = FocusLogic.findRow(matrix, iconIndex); + parent = getCellLayoutChildrenForIndex(workspace, pageIndex + 1); + if (parent != null) { + iconLayout = (CellLayout) parent.getParent(); + matrix = FocusLogic.createSparseMatrix(iconLayout, -1, row); + newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX + 1, countY, matrix, + FocusLogic.PIVOT, pageIndex, pageCount); + newIcon = parent.getChildAt(newIconIndex); } - wasHandled = true; break; - case KeyEvent.KEYCODE_MOVE_HOME: - if (handleKeyEvent) { - // Select the first icon on this page - View newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - } - wasHandled = true; + case FocusLogic.CURRENT_PAGE_FIRST_ITEM: + newIcon = parent.getChildAt(0); break; - case KeyEvent.KEYCODE_MOVE_END: - if (handleKeyEvent) { - // Select the last icon on this page - View newIcon = getIconInDirection(layout, parent, - parent.getChildCount(), -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } + case FocusLogic.CURRENT_PAGE_LAST_ITEM: + newIcon = parent.getChildAt(parent.getChildCount() - 1); + break; + default: + // current page, some item. + if (0 <= newIconIndex && newIconIndex < parent.getChildCount()) { + newIcon = parent.getChildAt(newIconIndex); + } else if (parent.getChildCount() <= newIconIndex && + newIconIndex < parent.getChildCount() + hotseatParent.getChildCount()) { + newIcon = hotseatParent.getChildAt(newIconIndex - parent.getChildCount()); } - wasHandled = true; break; - default: break; } - return wasHandled; + if (newIcon != null) { + newIcon.requestFocus(); + playSoundEffect(keyCode, v); + } + return consume; } /** * Handles key events for items in a Folder. */ static boolean handleFolderKeyEvent(View v, int keyCode, KeyEvent e) { + boolean consume = FocusLogic.shouldConsume(keyCode); + if (e.getAction() == KeyEvent.ACTION_UP || !consume) { + return consume; + } + if (DEBUG) { + Log.v(TAG, String.format("Handle FOLDER keyevent=[%s].", + KeyEvent.keyCodeToString(keyCode))); + } + + // Initialize the variables. ShortcutAndWidgetContainer parent = (ShortcutAndWidgetContainer) v.getParent(); final CellLayout layout = (CellLayout) parent.getParent(); - final ScrollView scrollView = (ScrollView) layout.getParent(); - final Folder folder = (Folder) scrollView.getParent(); + final Folder folder = (Folder) layout.getParent().getParent(); View title = folder.mFolderName; + Workspace workspace = (Workspace) v.getRootView().findViewById(R.id.workspace); + final int countX = layout.getCountX(); + final int countY = layout.getCountY(); + final int iconIndex = findIndexOfView(parent, v); + int pageIndex = workspace.indexOfChild(layout); + int pageCount = workspace.getChildCount(); + int[][] map = FocusLogic.createFullMatrix(countX, countY, true /* incremental order */); - final int action = e.getAction(); - final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP); - boolean wasHandled = false; - switch (keyCode) { - case KeyEvent.KEYCODE_DPAD_LEFT: - if (handleKeyEvent) { - // Select the previous icon - View newIcon = getIconInDirection(layout, parent, v, -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); - } + // Process the focus. + int newIconIndex = FocusLogic.handleKeyEvent(keyCode, countX, countY, map, iconIndex, + pageIndex, pageCount); + View newIcon = null; + switch (newIconIndex) { + case FocusLogic.NOOP: + if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { + newIcon = title; } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_RIGHT: - if (handleKeyEvent) { - // Select the next icon - View newIcon = getIconInDirection(layout, parent, v, 1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - title.requestFocus(); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); + case FocusLogic.PREVIOUS_PAGE_FIRST_ITEM: + case FocusLogic.PREVIOUS_PAGE_LAST_ITEM: + case FocusLogic.NEXT_PAGE_FIRST_ITEM: + case FocusLogic.CURRENT_PAGE_FIRST_ITEM: + case FocusLogic.CURRENT_PAGE_LAST_ITEM: + if (DEBUG) { + Log.v(TAG, "Page advance handling not supported on folder icons."); } - wasHandled = true; break; - case KeyEvent.KEYCODE_DPAD_UP: - if (handleKeyEvent) { - // Select the closest icon in the previous line - View newIcon = getClosestIconOnLine(layout, parent, v, -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - } - wasHandled = true; + default: // current page some item. + newIcon = parent.getChildAt(newIconIndex); + break; + } + if (newIcon != null) { + newIcon.requestFocus(); + playSoundEffect(keyCode, v); + } + return consume; + } + + // + // Helper methods. + // + + /** + * Returns the Viewgroup containing page contents for the page at the index specified. + */ + private static ViewGroup getAppsCustomizePage(ViewGroup container, int index) { + ViewGroup page = (ViewGroup) ((PagedView) container).getPageAt(index); + if (page instanceof CellLayout) { + // There are two layers, a PagedViewCellLayout and PagedViewCellLayoutChildren + page = ((CellLayout) page).getShortcutsAndWidgets(); + } + return page; + } + + /** + * Private helper method to get the CellLayoutChildren given a CellLayout index. + */ + private static ShortcutAndWidgetContainer getCellLayoutChildrenForIndex( + ViewGroup container, int i) { + CellLayout parent = (CellLayout) container.getChildAt(i); + return parent.getShortcutsAndWidgets(); + } + + private static int findIndexOfView(ViewGroup parent, View v) { + for (int i = 0; i < parent.getChildCount(); i++) { + if (v != null && v.equals(parent.getChildAt(i))) { + return i; + } + } + return -1; + } + + /** + * Helper method to be used for playing sound effects. + */ + private static void playSoundEffect(int keyCode, View v) { + switch (keyCode) { + case KeyEvent.KEYCODE_DPAD_LEFT: + v.playSoundEffect(SoundEffectConstants.NAVIGATION_LEFT); + break; + case KeyEvent.KEYCODE_DPAD_RIGHT: + v.playSoundEffect(SoundEffectConstants.NAVIGATION_RIGHT); break; case KeyEvent.KEYCODE_DPAD_DOWN: - if (handleKeyEvent) { - // Select the closest icon in the next line - View newIcon = getClosestIconOnLine(layout, parent, v, 1); - if (newIcon != null) { - newIcon.requestFocus(); - } else { - title.requestFocus(); - } - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - wasHandled = true; + case KeyEvent.KEYCODE_PAGE_DOWN: + case KeyEvent.KEYCODE_MOVE_END: + v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); break; + case KeyEvent.KEYCODE_DPAD_UP: + case KeyEvent.KEYCODE_PAGE_UP: case KeyEvent.KEYCODE_MOVE_HOME: - if (handleKeyEvent) { - // Select the first icon on this page - View newIcon = getIconInDirection(layout, parent, -1, 1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); - } - } - wasHandled = true; + v.playSoundEffect(SoundEffectConstants.NAVIGATION_UP); break; - case KeyEvent.KEYCODE_MOVE_END: - if (handleKeyEvent) { - // Select the last icon on this page - View newIcon = getIconInDirection(layout, parent, - parent.getChildCount(), -1); - if (newIcon != null) { - newIcon.requestFocus(); - v.playSoundEffect(SoundEffectConstants.NAVIGATION_DOWN); - } - } - wasHandled = true; + default: break; - default: break; } - return wasHandled; } } |