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Allow using config to disable creation of navBar and taskBar

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Some platforms, like ARC, has their own implementation of navBar and
taskBar, and do not require the creation of these instances.
Previously, config_showNavigationBar was implemented to control the
creation of navBar. Now, with this CL, we are also using the same config
to guard the creation of taskBar. This provides a platform-wide
configuration option to disable the creation of both navBar and taskBar
without introducing any divergence from the upstream code.

Bug: 271960221
Test: Build

Change-Id: Ieb86c0f1ed99075ba2417f9ba1c3fa7a603718ae
This commit is contained in:
Yao Qijing
2023-03-08 13:46:21 +00:00
parent ad24c2d9a4
commit 9e5617599a
1 changed files with 18 additions and 13 deletions
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31
packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarController.java
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@@ -224,6 +224,18 @@ public class NavigationBarController implements
}
}
private boolean shouldCreateNavBarAndTaskBar(int displayId) {
final IWindowManager wms = WindowManagerGlobal.getWindowManagerService();
try {
return wms.hasNavigationBar(displayId);
} catch (RemoteException e) {
// Cannot get wms, just return false with warning message.
Log.w(TAG, "Cannot get WindowManager.");
return false;
}
}
/** @see #initializeTaskbarIfNecessary() */
private boolean updateNavbarForTaskbar() {
boolean taskbarShown = initializeTaskbarIfNecessary();
@@ -236,8 +248,8 @@ public class NavigationBarController implements
/** @return {@code true} if taskbar is enabled, false otherwise */
private boolean initializeTaskbarIfNecessary() {
// Enable for large screens or (phone AND flag is set); assuming phone = !mIsLargeScreen
boolean taskbarEnabled = mIsLargeScreen || mFeatureFlags.isEnabled(
Flags.HIDE_NAVBAR_WINDOW);
boolean taskbarEnabled = (mIsLargeScreen || mFeatureFlags.isEnabled(
Flags.HIDE_NAVBAR_WINDOW)) && shouldCreateNavBarAndTaskBar(mContext.getDisplayId());
if (taskbarEnabled) {
Trace.beginSection("NavigationBarController#initializeTaskbarIfNecessary");
@@ -324,23 +336,16 @@ public class NavigationBarController implements
final int displayId = display.getDisplayId();
final boolean isOnDefaultDisplay = displayId == mDisplayTracker.getDefaultDisplayId();
if (!shouldCreateNavBarAndTaskBar(displayId)) {
return;
}
// We may show TaskBar on the default display for large screen device. Don't need to create
// navigation bar for this case.
if (isOnDefaultDisplay && initializeTaskbarIfNecessary()) {
return;
}
final IWindowManager wms = WindowManagerGlobal.getWindowManagerService();
try {
if (!wms.hasNavigationBar(displayId)) {
return;
}
} catch (RemoteException e) {
// Cannot get wms, just return with warning message.
Log.w(TAG, "Cannot get WindowManager.");
return;
}
final Context context = isOnDefaultDisplay
? mContext
: mContext.createDisplayContext(display);