/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.support.v4.view;
import android.graphics.Rect;
/**
* Describes a set of insets for window content.
*
* <p>WindowInsetsCompats are immutable and may be expanded to include more inset types in the
* future. To adjust insets, use one of the supplied clone methods to obtain a new
* WindowInsetsCompat instance with the adjusted properties.</p>
*/
public class WindowInsetsCompat {
/** Private ctor */
WindowInsetsCompat() {}
/**
* Returns the left system window inset in pixels.
*
* <p>The system window inset represents the area of a full-screen window that is
* partially or fully obscured by the status bar, navigation bar, IME or other system windows.
* </p>
*
* @return The left system window inset
*/
public int getSystemWindowInsetLeft() {
return 0;
}
/**
* Returns the top system window inset in pixels.
*
* <p>The system window inset represents the area of a full-screen window that is
* partially or fully obscured by the status bar, navigation bar, IME or other system windows.
* </p>
*
* @return The top system window inset
*/
public int getSystemWindowInsetTop() {
return 0;
}
/**
* Returns the right system window inset in pixels.
*
* <p>The system window inset represents the area of a full-screen window that is
* partially or fully obscured by the status bar, navigation bar, IME or other system windows.
* </p>
*
* @return The right system window inset
*/
public int getSystemWindowInsetRight() {
return 0;
}
/**
* Returns the bottom system window inset in pixels.
*
* <p>The system window inset represents the area of a full-screen window that is
* partially or fully obscured by the status bar, navigation bar, IME or other system windows.
* </p>
*
* @return The bottom system window inset
*/
public int getSystemWindowInsetBottom() {
return 0;
}
/**
* Returns true if this WindowInsets has nonzero system window insets.
*
* <p>The system window inset represents the area of a full-screen window that is
* partially or fully obscured by the status bar, navigation bar, IME or other system windows.
* </p>
*
* @return true if any of the system window inset values are nonzero
*/
public boolean hasSystemWindowInsets() {
return false;
}
/**
* Returns true if this WindowInsets has any nonzero insets.
*
* @return true if any inset values are nonzero
*/
public boolean hasInsets() {
return false;
}
/**
* Check if these insets have been fully consumed.
*
* <p>Insets are considered "consumed" if the applicable <code>consume*</code> methods
* have been called such that all insets have been set to zero. This affects propagation of
* insets through the view hierarchy; insets that have not been fully consumed will continue
* to propagate down to child views.</p>
*
* <p>The result of this method is equivalent to the return value of
* {@link android.view.View#fitSystemWindows(android.graphics.Rect)}.</p>
*
* @return true if the insets have been fully consumed.
*/
public boolean isConsumed() {
return false;
}
/**
* Returns true if the associated window has a round shape.
*
* <p>A round window's left, top, right and bottom edges reach all the way to the
* associated edges of the window but the corners may not be visible. Views responding
* to round insets should take care to not lay out critical elements within the corners
* where they may not be accessible.</p>
*
* @return True if the window is round
*/
public boolean isRound() {
return false;
}
/**
* Returns a copy of this WindowInsets with the system window insets fully consumed.
*
* @return A modified copy of this WindowInsets
*/
public WindowInsetsCompat consumeSystemWindowInsets() {
return this;
}
/**
* Returns a copy of this WindowInsets with selected system window insets replaced
* with new values.
*
* @param left New left inset in pixels
* @param top New top inset in pixels
* @param right New right inset in pixels
* @param bottom New bottom inset in pixels
* @return A modified copy of this WindowInsets
*/
public WindowInsetsCompat replaceSystemWindowInsets(int left, int top, int right, int bottom) {
return this;
}
/**
* Returns a copy of this WindowInsets with selected system window insets replaced
* with new values.
*
* @param systemWindowInsets New system window insets. Each field is the inset in pixels
* for that edge
* @return A modified copy of this WindowInsets
*/
public WindowInsetsCompat replaceSystemWindowInsets(Rect systemWindowInsets) {
return this;
}
/**
* Returns the top stable inset in pixels.
*
* <p>The stable inset represents the area of a full-screen window that <b>may</b> be
* partially or fully obscured by the system UI elements. This value does not change
* based on the visibility state of those elements; for example, if the status bar is
* normally shown, but temporarily hidden, the stable inset will still provide the inset
* associated with the status bar being shown.</p>
*
* @return The top stable inset
*/
public int getStableInsetTop() {
return 0;
}
/**
* Returns the left stable inset in pixels.
*
* <p>The stable inset represents the area of a full-screen window that <b>may</b> be
* partially or fully obscured by the system UI elements. This value does not change
* based on the visibility state of those elements; for example, if the status bar is
* normally shown, but temporarily hidden, the stable inset will still provide the inset
* associated with the status bar being shown.</p>
*
* @return The left stable inset
*/
public int getStableInsetLeft() {
return 0;
}
/**
* Returns the right stable inset in pixels.
*
* <p>The stable inset represents the area of a full-screen window that <b>may</b> be
* partially or fully obscured by the system UI elements. This value does not change
* based on the visibility state of those elements; for example, if the status bar is
* normally shown, but temporarily hidden, the stable inset will still provide the inset
* associated with the status bar being shown.</p>
*
* @return The right stable inset
*/
public int getStableInsetRight() {
return 0;
}
/**
* Returns the bottom stable inset in pixels.
*
* <p>The stable inset represents the area of a full-screen window that <b>may</b> be
* partially or fully obscured by the system UI elements. This value does not change
* based on the visibility state of those elements; for example, if the status bar is
* normally shown, but temporarily hidden, the stable inset will still provide the inset
* associated with the status bar being shown.</p>
*
* @return The bottom stable inset
*/
public int getStableInsetBottom() {
return 0;
}
/**
* Returns true if this WindowInsets has nonzero stable insets.
*
* <p>The stable inset represents the area of a full-screen window that <b>may</b> be
* partially or fully obscured by the system UI elements. This value does not change
* based on the visibility state of those elements; for example, if the status bar is
* normally shown, but temporarily hidden, the stable inset will still provide the inset
* associated with the status bar being shown.</p>
*
* @return true if any of the stable inset values are nonzero
*/
public boolean hasStableInsets() {
return false;
}
/**
* Returns a copy of this WindowInsets with the stable insets fully consumed.
*
* @return A modified copy of this WindowInsetsCompat
*/
public WindowInsetsCompat consumeStableInsets() {
return this;
}
}
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