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Merge "Adding accessibility widget resize" into ub-launcher3-burnaby

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This commit is contained in:
Sunny Goyal
2015-05-11 18:53:52 +00:00
committed by Android (Google) Code Review
parent 99d96ba6c8 9ca9c1316d
commit 9c6e175a18
4 changed files with 135 additions and 1 deletions
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res/values/config.xml
+1
View File
@@ -102,4 +102,5 @@
<item type="id" name="action_move_to_workspace" />
<item type="id" name="action_move_screen_backwards" />
<item type="id" name="action_move_screen_forwards" />
<item type="id" name="action_resize" />
</resources>
res/values/strings.xml
+19
View File
@@ -252,4 +252,23 @@
<!-- Accessibility confirmation when a screen was moved [DO NOT TRANSLATE] -->
<string name="screen_moved">Screen moved</string>
<!-- Accessibility action to resize a widget [DO NOT TRANSLATE] -->
<string name="action_resize">Resize</string>
<!-- Accessibility action to increase width of a widget [DO NOT TRANSLATE] -->
<string name="action_increase_width">Increase width</string>
<!-- Accessibility action to increase height of a widget [DO NOT TRANSLATE] -->
<string name="action_increase_height">Increase height</string>
<!-- Accessibility action to decrease width of a widget [DO NOT TRANSLATE] -->
<string name="action_decrease_width">Decrease width</string>
<!-- Accessibility action to decrease height of a widget [DO NOT TRANSLATE] -->
<string name="action_decrease_height">Decrease height</string>
<!-- Accessibility confirmation for widget resize [DO NOT TRANSLATE]-->
<string name="widget_resized">Widget resized to width <xliff:g id="number" example="2">%1$s</xliff:g> height <xliff:g id="number" example="1">%2$s</xliff:g></string>
</resources>
src/com/android/launcher3/CellLayout.java
+17
View File
@@ -3051,4 +3051,21 @@ public class CellLayout extends ViewGroup {
public boolean findVacantCell(int spanX, int spanY, int[] outXY) {
return Utilities.findVacantCell(outXY, spanX, spanY, mCountX, mCountY, mOccupied);
}
public boolean isRegionVacant(int x, int y, int spanX, int spanY) {
int x2 = x + spanX - 1;
int y2 = y + spanY - 1;
if (x < 0 || y < 0 || x2 >= mCountX || y2 >= mCountY) {
return false;
}
for (int i = x; i <= x2; i++) {
for (int j = y; j <= y2; j++) {
if (mOccupied[i][j]) {
return false;
}
}
}
return true;
}
}
src/com/android/launcher3/LauncherAccessibilityDelegate.java
+98 -1
View File
@@ -1,6 +1,9 @@
package com.android.launcher3;
import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.appwidget.AppWidgetProviderInfo;
import android.content.DialogInterface;
import android.graphics.Rect;
import android.os.Build;
import android.os.Bundle;
@@ -28,6 +31,7 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate {
private static final int ADD_TO_WORKSPACE = R.id.action_add_to_workspace;
private static final int MOVE = R.id.action_move;
private static final int MOVE_TO_WORKSPACE = R.id.action_move_to_workspace;
private static final int RESIZE = R.id.action_resize;
public enum DragType {
ICON,
@@ -62,6 +66,8 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate {
launcher.getText(R.string.action_move)));
mActions.put(MOVE_TO_WORKSPACE, new AccessibilityAction(MOVE_TO_WORKSPACE,
launcher.getText(R.string.action_move_to_workspace)));
mActions.put(RESIZE, new AccessibilityAction(RESIZE,
launcher.getText(R.string.action_resize)));
}
@Override
@@ -87,6 +93,10 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate {
if (item.container >= 0) {
info.addAction(mActions.get(MOVE_TO_WORKSPACE));
} else if (item instanceof LauncherAppWidgetInfo) {
if (!getSupportedResizeActions(host, (LauncherAppWidgetInfo) item).isEmpty()) {
info.addAction(mActions.get(RESIZE));
}
}
} if ((item instanceof AppInfo) || (item instanceof PendingAddItemInfo)) {
info.addAction(mActions.get(ADD_TO_WORKSPACE));
@@ -102,7 +112,7 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate {
return super.performAccessibilityAction(host, action, args);
}
public boolean performAction(View host, final ItemInfo item, int action) {
public boolean performAction(final View host, final ItemInfo item, int action) {
if (action == REMOVE) {
if (DeleteDropTarget.removeWorkspaceOrFolderItem(mLauncher, item, host)) {
announceConfirmation(R.string.item_removed);
@@ -167,10 +177,97 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate {
announceConfirmation(R.string.item_moved);
}
});
} else if (action == RESIZE) {
final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) item;
final ArrayList<Integer> actions = getSupportedResizeActions(host, info);
CharSequence[] labels = new CharSequence[actions.size()];
for (int i = 0; i < actions.size(); i++) {
labels[i] = mLauncher.getText(actions.get(i));
}
new AlertDialog.Builder(mLauncher)
.setTitle(R.string.action_resize)
.setItems(labels, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
performResizeAction(actions.get(which), host, info);
dialog.dismiss();
}
})
.show();
}
return false;
}
private ArrayList<Integer> getSupportedResizeActions(View host, LauncherAppWidgetInfo info) {
AppWidgetProviderInfo providerInfo = ((LauncherAppWidgetHostView) host).getAppWidgetInfo();
ArrayList<Integer> actions = new ArrayList<>();
CellLayout layout = (CellLayout) host.getParent().getParent();
if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_HORIZONTAL) != 0) {
if (layout.isRegionVacant(info.cellX + info.spanX, info.cellY, 1, info.spanY) ||
layout.isRegionVacant(info.cellX - 1, info.cellY, 1, info.spanY)) {
actions.add(R.string.action_increase_width);
}
if (info.spanX > info.minSpanX && info.spanX > 1) {
actions.add(R.string.action_decrease_width);
}
}
if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_VERTICAL) != 0) {
if (layout.isRegionVacant(info.cellX, info.cellY + info.spanY, info.spanX, 1) ||
layout.isRegionVacant(info.cellX, info.cellY - 1, info.spanX, 1)) {
actions.add(R.string.action_increase_height);
}
if (info.spanY > info.minSpanY && info.spanY > 1) {
actions.add(R.string.action_decrease_height);
}
}
return actions;
}
private void performResizeAction(int action, View host, LauncherAppWidgetInfo info) {
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) host.getLayoutParams();
CellLayout layout = (CellLayout) host.getParent().getParent();
layout.markCellsAsUnoccupiedForView(host);
if (action == R.string.action_increase_width) {
if (((host.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL)
&& layout.isRegionVacant(info.cellX - 1, info.cellY, 1, info.spanY))
|| !layout.isRegionVacant(info.cellX + info.spanX, info.cellY, 1, info.spanY)) {
lp.cellX --;
info.cellX --;
}
lp.cellHSpan ++;
info.spanX ++;
} else if (action == R.string.action_decrease_width) {
lp.cellHSpan --;
info.spanX --;
} else if (action == R.string.action_increase_height) {
if (!layout.isRegionVacant(info.cellX, info.cellY + info.spanY, info.spanX, 1)) {
lp.cellY --;
info.cellY --;
}
lp.cellVSpan ++;
info.spanY ++;
} else if (action == R.string.action_decrease_height) {
lp.cellVSpan --;
info.spanY --;
}
layout.markCellsAsOccupiedForView(host);
Rect sizeRange = new Rect();
AppWidgetResizeFrame.getWidgetSizeRanges(mLauncher, info.spanX, info.spanY, sizeRange);
((LauncherAppWidgetHostView) host).updateAppWidgetSize(null,
sizeRange.left, sizeRange.top, sizeRange.right, sizeRange.bottom);
host.requestLayout();
LauncherModel.updateItemInDatabase(mLauncher, info);
announceConfirmation(mLauncher.getString(R.string.widget_resized, info.spanX, info.spanY));
}
@Thunk void announceConfirmation(int resId) {
announceConfirmation(mLauncher.getResources().getString(resId));
}