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/*
* Copyright (C) 2015 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 com.android.tv.common.ui.setup;
import android.os.Bundle;
import android.support.v17.leanback.app.GuidedStepFragment;
import android.support.v17.leanback.widget.GuidanceStylist;
import android.support.v17.leanback.widget.GuidedAction;
import android.support.v17.leanback.widget.VerticalGridView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.MarginLayoutParams;
import android.widget.LinearLayout;
import com.android.tv.common.R;
/**
* A fragment for channel source info/setup.
*/
public abstract class SetupGuidedStepFragment extends GuidedStepFragment {
/**
* Key of the argument which indicate whether the parent of this fragment has three panes.
*
* <p>Value type: boolean
*/
public static final String KEY_THREE_PANE = "key_three_pane";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = super.onCreateView(inflater, container, savedInstanceState);
Bundle arguments = getArguments();
view.findViewById(R.id.action_fragment_root).setPadding(0, 0, 0, 0);
LinearLayout.LayoutParams guidanceLayoutParams = (LinearLayout.LayoutParams)
view.findViewById(R.id.content_fragment).getLayoutParams();
guidanceLayoutParams.weight = 0;
if (arguments != null && arguments.getBoolean(KEY_THREE_PANE, false)) {
// Content fragment.
guidanceLayoutParams.width = getResources().getDimensionPixelOffset(
R.dimen.setup_guidedstep_guidance_section_width_3pane);
int doneButtonWidth = getResources().getDimensionPixelOffset(
R.dimen.setup_done_button_container_width);
// Guided actions list
View list = view.findViewById(R.id.guidedactions_list);
MarginLayoutParams marginLayoutParams = (MarginLayoutParams) list.getLayoutParams();
// Use content view to check layout direction while view is being created.
if (getResources().getConfiguration().getLayoutDirection()
== View.LAYOUT_DIRECTION_LTR) {
marginLayoutParams.rightMargin = doneButtonWidth;
} else {
marginLayoutParams.leftMargin = doneButtonWidth;
}
} else {
// Content fragment.
guidanceLayoutParams.width = getResources().getDimensionPixelOffset(
R.dimen.setup_guidedstep_guidance_section_width_2pane);
}
// gridView Alignment
VerticalGridView gridView = getGuidedActionsStylist().getActionsGridView();
// Workaround of b/28274171
// TODO: Remove the following line once b/28274171 is resolved.
gridView.setFocusable(true);
int offset = getResources().getDimensionPixelOffset(
R.dimen.setup_guidedactions_selector_margin_top);
gridView.setWindowAlignmentOffset(offset);
gridView.setWindowAlignmentOffsetPercent(0);
gridView.setItemAlignmentOffsetPercent(0);
((ViewGroup) view.findViewById(R.id.guidedactions_list)).setTransitionGroup(false);
// Needed for the shared element transition.
// content_frame is defined in leanback.
ViewGroup group = (ViewGroup) view.findViewById(R.id.content_frame);
group.setClipChildren(false);
group.setClipToPadding(false);
// Workaround b/26205201
view.findViewById(R.id.guidedactions_list2).setFocusable(false);
return view;
}
@Override
public GuidanceStylist onCreateGuidanceStylist() {
return new GuidanceStylist() {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Guidance guidance) {
View view = super.onCreateView(inflater, container, guidance);
if (guidance.getIconDrawable() == null) {
// Icon view should not take up space when we don't use image.
getIconView().setVisibility(View.GONE);
}
return view;
}
};
}
abstract protected String getActionCategory();
@Override
public void onGuidedActionClicked(GuidedAction action) {
SetupActionHelper.onActionClick(this, getActionCategory(), (int) action.getId());
}
@Override
protected void onProvideFragmentTransitions() {
// Don't use the fragment transition defined in GuidedStepFragment.
}
@Override
public boolean isFocusOutEndAllowed() {
return true;
}
}
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