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public class NavigationDrawerLayout extends ScrimInsetsLinearLayout { |
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private int drawerMaxWidth = -1; |
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public NavigationDrawerLayout(Context context) { |
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super(context); |
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} |
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public NavigationDrawerLayout(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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} |
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public NavigationDrawerLayout(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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} |
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@Override |
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protected void onSizeChanged(int w, int h, int oldW, int oldH) { |
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super.onSizeChanged(w, h, oldW, oldH); |
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if (w != oldW) { |
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if (drawerMaxWidth <= 0) { |
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if (getLayoutParams().width != ViewGroup.LayoutParams.MATCH_PARENT && getLayoutParams().width != ViewGroup.LayoutParams.WRAP_CONTENT) { |
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setDrawerMaxWidth(getLayoutParams().width); |
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} else { |
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resetDrawerMaxWidth(); |
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} |
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} |
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updateDrawerWidth(); |
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} |
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} |
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private void updateDrawerWidth() { |
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int viewportWidth = getContext().getResources().getDisplayMetrics().widthPixels; |
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int viewportHeight = getContext().getResources().getDisplayMetrics().heightPixels; |
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//Minus the width of the vertical nav bar |
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if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) { |
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int navigationBarWidthResId = getResources().getIdentifier("navigation_bar_width", "dimen", "android"); |
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if (navigationBarWidthResId > 0) { |
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viewportWidth -= getResources().getDimensionPixelSize(navigationBarWidthResId); |
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} |
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} |
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int viewportMin = Math.min(viewportWidth, viewportHeight); |
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//App bar size |
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TypedValue typedValue = new TypedValue(); |
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getContext().getTheme().resolveAttribute(R.attr.actionBarSize, typedValue, true); |
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int actionBarSize = TypedValue.complexToDimensionPixelSize(typedValue.data, getResources().getDisplayMetrics()); |
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int width = viewportMin - actionBarSize; |
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getLayoutParams().width = Math.min(width, drawerMaxWidth); |
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} |
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/** |
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* Sets the max drawer width |
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* |
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* @param drawerMaxWidth Max drawer width to set |
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*/ |
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public void setDrawerMaxWidth(int drawerMaxWidth) { |
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this.drawerMaxWidth = drawerMaxWidth; |
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updateDrawerWidth(); |
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} |
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/** |
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* Resets the max drawer width |
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*/ |
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public void resetDrawerMaxWidth() { |
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this.drawerMaxWidth = getResources().getDimensionPixelSize(R.dimen.navigation_drawer_max_width); |
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updateDrawerWidth(); |
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} |
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} |
