Index: chrome/android/java/src/org/chromium/chrome/browser/InsetObserverView.java |
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/InsetObserverView.java b/chrome/android/java/src/org/chromium/chrome/browser/InsetObserverView.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8e2142a40ed408aabf1dfcd7cb778522ea03c484 |
--- /dev/null |
+++ b/chrome/android/java/src/org/chromium/chrome/browser/InsetObserverView.java |
@@ -0,0 +1,103 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+package org.chromium.chrome.browser; |
+ |
+import android.annotation.TargetApi; |
+import android.content.Context; |
+import android.graphics.Rect; |
+import android.os.Build; |
+import android.view.View; |
+import android.view.WindowInsets; |
+ |
+/** |
+ * The purpose of this view is to store the system window insets (OSK, status bar) for |
+ * later use. |
+ */ |
+public class InsetObserverView extends View { |
+ |
+ protected final Rect mWindowInsets; |
+ |
+ /** |
+ * Constructs a new {@link InsetObserverView} for the appropriate Android version. |
+ * @param context The Context the view is running in, through which it can access the current |
+ * theme, resources, etc. |
+ * @return an instance of a InsetObserverView. |
+ */ |
+ public static InsetObserverView create(Context context) { |
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { |
+ return new InsetObserverView(context); |
+ } |
+ return new InsetObserverViewApi21(context); |
+ } |
+ |
+ /** |
+ * Creates an instance of {@link InsetObserverView}. |
+ * @param context The Context to create this {@link InsetObserverView} in. |
+ */ |
+ public InsetObserverView(Context context) { |
+ super(context); |
+ setVisibility(INVISIBLE); |
+ mWindowInsets = new Rect(); |
+ } |
+ |
+ /** |
+ * Returns the left {@link WindowInsets} in pixels. |
+ */ |
+ public int getSystemWindowInsetsLeft() { |
+ return mWindowInsets.left; |
+ } |
+ |
+ /** |
+ * Returns the top {@link WindowInsets} in pixels. |
+ */ |
+ public int getSystemWindowInsetsTop() { |
+ return mWindowInsets.top; |
+ } |
+ |
+ /** |
+ * Returns the right {@link WindowInsets} in pixels. |
+ */ |
+ public int getSystemWindowInsetsRight() { |
+ return mWindowInsets.right; |
+ } |
+ |
+ /** |
+ * Returns the bottom {@link WindowInsets} in pixels. |
+ */ |
+ public int getSystemWindowInsetsBottom() { |
+ return mWindowInsets.bottom; |
+ } |
+ |
+ @SuppressWarnings("deprecation") |
+ @Override |
+ protected boolean fitSystemWindows(Rect insets) { |
+ // For Lollipop and above, onApplyWindowInsets will set the insets. |
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { |
+ mWindowInsets.set(insets.left, insets.top, insets.right, insets.bottom); |
+ } |
+ return false; |
+ } |
+ |
+ @TargetApi(Build.VERSION_CODES.LOLLIPOP) |
+ private static class InsetObserverViewApi21 extends InsetObserverView { |
+ /** |
+ * Creates an instance of {@link InsetObserverView} for Android versions L and above. |
+ * @param context The Context to create this {@link InsetObserverView} in. |
+ */ |
+ InsetObserverViewApi21(Context context) { |
+ super(context); |
+ } |
+ |
+ @Override |
+ public WindowInsets onApplyWindowInsets(WindowInsets insets) { |
+ mWindowInsets.set( |
+ insets.getSystemWindowInsetLeft(), |
+ insets.getSystemWindowInsetTop(), |
+ insets.getSystemWindowInsetRight(), |
+ insets.getSystemWindowInsetBottom()); |
+ return insets; |
+ } |
+ } |
+} |