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73 lines
2.5 KiB
Java
73 lines
2.5 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.plugins;
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import android.graphics.Point;
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import android.view.MotionEvent;
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import android.view.WindowManager;
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import com.android.systemui.plugins.annotations.ProvidesInterface;
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import java.io.PrintWriter;
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/** Plugin to handle navigation edge gestures for Back. */
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@ProvidesInterface(
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action = NavigationEdgeBackPlugin.ACTION,
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version = NavigationEdgeBackPlugin.VERSION)
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public interface NavigationEdgeBackPlugin extends Plugin {
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String ACTION = "com.android.systemui.action.PLUGIN_NAVIGATION_EDGE_BACK_ACTION";
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int VERSION = 1;
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/** Specifies if the UI should be rendered on the left side of the screen. */
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void setIsLeftPanel(boolean isLeftPanel);
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/** Sets the insets for the gesture handling area. */
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void setInsets(int leftInset, int rightInset);
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/** Sets the display size. */
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void setDisplaySize(Point displaySize);
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/** Sets the callback that should be invoked when a Back gesture is detected. */
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void setBackCallback(BackCallback callback);
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/** Sets the base LayoutParams for the UI. */
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void setLayoutParams(WindowManager.LayoutParams layoutParams);
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/** Updates the UI based on the motion events passed in device coordinates. */
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void onMotionEvent(MotionEvent motionEvent);
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/** Dumps info about the back gesture plugin. */
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void dump(PrintWriter pw);
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/** Callback to let the system react to the detected back gestures. */
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interface BackCallback {
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/** Indicates that a Back gesture was recognized and the system should go back. */
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void triggerBack();
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/** Indicates that the gesture was cancelled and the system should not go back. */
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void cancelBack();
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/**
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* Indicates if back will be triggered if committed in current state.
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*
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* @param triggerBack if back will be triggered in current state.
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*/
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void setTriggerBack(boolean triggerBack);
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}
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}
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