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Add accessibility event when saving screenshot

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Send an accessibility event with "Saving screenshot" as the
screenshot is saved, so that it can be read out through e.g.
TalkBack.

Bug: 149832748
Test: manual; turned on talkback and ensured that the text was
read out when saving the screenshot from keychord/overview.

Change-Id: Ibe237a81cec0961065bf741eb5f3bb9dc9d14712
This commit is contained in:
Miranda Kephart
2020-10-06 14:58:46 -04:00
parent e2b1b3b94d
commit ab5bdc3a67
2 changed files with 12 additions and 1 deletions
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2
packages/SystemUI/res/values/strings.xml
View File

@@ -218,7 +218,7 @@
<!-- Notification ticker displayed when a screenshot is being saved to the Gallery. [CHAR LIMIT=30] -->
<string name="screenshot_saving_ticker">Saving screenshot\u2026</string>
<!-- Notification title displayed when a screenshot is being saved to the Gallery. [CHAR LIMIT=50] -->
<!-- Informs the user that a screenshot is being saved. [CHAR LIMIT=50] -->
<string name="screenshot_saving_title">Saving screenshot\u2026</string>
<!-- Notification title displayed when a screenshot is saved to the Gallery. [CHAR LIMIT=50] -->
<string name="screenshot_saved_title">Screenshot saved</string>

11
packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
View File

@@ -69,6 +69,7 @@ import android.view.ViewOutlineProvider;
import android.view.ViewTreeObserver;
import android.view.WindowInsets;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.AnimationUtils;
@@ -184,6 +185,7 @@ public class GlobalScreenshot implements ViewTreeObserver.OnComputeInternalInset
private final WindowManager.LayoutParams mWindowLayoutParams;
private final Display mDisplay;
private final DisplayMetrics mDisplayMetrics;
private final AccessibilityManager mAccessibilityManager;
private View mScreenshotLayout;
private ScreenshotSelectorView mScreenshotSelectorView;
@@ -242,6 +244,7 @@ public class GlobalScreenshot implements ViewTreeObserver.OnComputeInternalInset
mScreenshotSmartActions = screenshotSmartActions;
mNotificationsController = screenshotNotificationsController;
mUiEventLogger = uiEventLogger;
mAccessibilityManager = AccessibilityManager.getInstance(mContext);
reloadAssets();
Configuration config = mContext.getResources().getConfiguration();
@@ -573,6 +576,14 @@ public class GlobalScreenshot implements ViewTreeObserver.OnComputeInternalInset
private void saveScreenshot(Bitmap screenshot, Consumer<Uri> finisher, Rect screenRect,
Insets screenInsets, boolean showFlash) {
if (mAccessibilityManager.isEnabled()) {
AccessibilityEvent event =
new AccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
event.setContentDescription(
mContext.getResources().getString(R.string.screenshot_saving_title));
mAccessibilityManager.sendAccessibilityEvent(event);
}
if (mScreenshotLayout.isAttachedToWindow()) {
// if we didn't already dismiss for another reason
if (mDismissAnimation == null || !mDismissAnimation.isRunning()) {