Merge "Added documentation for various window frame types." into lmp-mr1-dev

    final Rect mCompatFrame = new Rect();

    final Rect mContainingFrame = new Rect();

    final Rect mParentFrame = new Rect();

    // The entire screen area of the device.

    final Rect mDisplayFrame = new Rect();

    // The region of the display frame that the display type supports displaying content on. This

    // is mostly a special case for TV where some displays don’t have the entire display usable.

    // {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_OVERSCAN} flag can be used to allow

    // window display contents to extend into the overscan region.

    final Rect mOverscanFrame = new Rect();

    // The display frame minus the stable insets. This value is always constant regardless of if

    // the status bar or navigation bar is visible.

    final Rect mStableFrame = new Rect();

    // The area not occupied by the status and navigation bars. So, if both status and navigation

    // bars are visible, the decor frame is equal to the stable frame.

    final Rect mDecorFrame = new Rect();

    // Equal to the decor frame if the IME (e.g. keyboard) is not present. Equal to the decor frame

    // minus the area occupied by the IME if the IME is present.

    final Rect mContentFrame = new Rect();

    final Rect mParentFrame = new Rect();

    // Legacy stuff. Generally equal to the content frame expect when the IME for older apps

    // displays hint text.

    final Rect mVisibleFrame = new Rect();

    final Rect mDecorFrame = new Rect();

    final Rect mStableFrame = new Rect();

    boolean mContentChanged;