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Accessibility fixes and updates

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> Adding custom actions on the page indicator to go to overview mode
> Disabling custom actions on the first page
> Disabling 'move page left' on the second page

Change-Id: Ib8154f70cb3f93e663a881357c6c46c33253887f
This commit is contained in:
Sunny Goyal
2016-06-16 12:29:03 -07:00
parent 8e6a800480
commit d0a6ae7f64
8 changed files with 114 additions and 83 deletions
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src/com/android/launcher3/Workspace.java
+21 -40
View File
@@ -61,6 +61,7 @@ import com.android.launcher3.Launcher.LauncherOverlay;
import com.android.launcher3.UninstallDropTarget.DropTargetSource;
import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
import com.android.launcher3.accessibility.LauncherAccessibilityDelegate.AccessibilityDragSource;
import com.android.launcher3.accessibility.OverviewAccessibilityDelegate;
import com.android.launcher3.accessibility.OverviewScreenAccessibilityDelegate;
import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
import com.android.launcher3.compat.AppWidgetManagerCompat;
@@ -458,6 +459,12 @@ public class Workspace extends PagedView
setEdgeGlowColor(getResources().getColor(R.color.workspace_edge_effect_color));
}
@Override
public void initParentViews(View parent) {
super.initParentViews(parent);
mPageIndicator.setAccessibilityDelegate(new OverviewAccessibilityDelegate());
}
private int getDefaultPage() {
return numCustomPages();
}
@@ -1445,10 +1452,9 @@ public class Workspace extends PagedView
mHotseatAlpha[direction.ordinal()] = alpha;
float finalAlpha = mHotseatAlpha[0] * mHotseatAlpha[1];
View pageIndicator = getPageIndicator();
if (pageIndicator != null) {
property.set(pageIndicator, translation);
pageIndicator.setAlpha(finalAlpha);
if (mPageIndicator != null) {
property.set(mPageIndicator, translation);
mPageIndicator.setAlpha(alpha);
}
property.set(mLauncher.getHotseat(), translation);
@@ -1647,8 +1653,8 @@ public class Workspace extends PagedView
mLauncher.getHotseat().setTranslationX(translationX);
}
if (getPageIndicator() != null) {
getPageIndicator().setTranslationX(translationX);
if (mPageIndicator != null) {
mPageIndicator.setTranslationX(translationX);
}
if (mCustomContentCallbacks != null) {
@@ -1656,21 +1662,6 @@ public class Workspace extends PagedView
}
}
@Override
protected OnClickListener getPageIndicatorClickListener() {
AccessibilityManager am = (AccessibilityManager)
getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
if (!am.isTouchExplorationEnabled()) {
return null;
}
return new OnClickListener() {
@Override
public void onClick(View arg0) {
mLauncher.showOverviewMode(true);
}
};
}
@Override
protected void screenScrolled(int screenCenter) {
updatePageAlphaValues(screenCenter);
@@ -1692,15 +1683,6 @@ public class Workspace extends PagedView
}
protected void onResume() {
if (getPageIndicator() != null) {
// In case accessibility state has changed, we need to perform this on every
// attach to window
OnClickListener listener = getPageIndicatorClickListener();
if (listener != null) {
getPageIndicator().setOnClickListener(listener);
}
}
// Update wallpaper dimensions if they were changed since last onResume
// (we also always set the wallpaper dimensions in the constructor)
if (LauncherAppState.getInstance().hasWallpaperChangedSinceLastCheck()) {
@@ -2086,10 +2068,13 @@ public class Workspace extends PagedView
IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
page.setContentDescription(getPageDescription(pageNo));
if (mPagesAccessibilityDelegate == null) {
mPagesAccessibilityDelegate = new OverviewScreenAccessibilityDelegate(this);
// No custom action for the first page.
if (!FeatureFlags.QSB_ON_FIRST_SCREEN || pageNo > 0) {
if (mPagesAccessibilityDelegate == null) {
mPagesAccessibilityDelegate = new OverviewScreenAccessibilityDelegate(this);
}
page.setAccessibilityDelegate(mPagesAccessibilityDelegate);
}
page.setAccessibilityDelegate(mPagesAccessibilityDelegate);
} else {
int accessible = mState == State.NORMAL ?
IMPORTANT_FOR_ACCESSIBILITY_AUTO :
@@ -2118,7 +2103,7 @@ public class Workspace extends PagedView
@Override
public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
if (mPageIndicator instanceof PageIndicator) {
if (mPageIndicator != null) {
boolean isNewStateSpringLoaded = mState == State.SPRING_LOADED;
mPageIndicator.setShouldAutoHide(!isNewStateSpringLoaded);
if (isNewStateSpringLoaded) {
@@ -4195,7 +4180,7 @@ public class Workspace extends PagedView
public interface ItemOperator {
/**
* Process the next itemInfo, possibly with side-effect on {@link ItemOperator#value}.
* Process the next itemInfo, possibly with side-effect on the next item.
*
* @param info info for the shortcut
* @param view view for the shortcut
@@ -4379,11 +4364,7 @@ public class Workspace extends PagedView
exitWidgetResizeMode();
}
protected String getPageIndicatorDescription() {
String settings = getResources().getString(R.string.settings_button_text);
return getCurrentPageDescription() + ", " + settings;
}
@Override
protected String getCurrentPageDescription() {
if (hasCustomContent() && getNextPage() == 0) {
return mCustomContentDescription;