RecentsConfiguration.java revision 918c0723a169cef46b8bf59c06fd3bb8021d0def 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.systemui.recents;
18
19import android.content.Context;
20import android.content.SharedPreferences;
21import android.content.res.Configuration;
22import android.content.res.Resources;
23import android.graphics.Rect;
24import android.util.DisplayMetrics;
25import android.util.TypedValue;
26import android.view.animation.AnimationUtils;
27import android.view.animation.Interpolator;
28import com.android.systemui.R;
29
30
31/** A static Recents configuration for the current context
32 * NOTE: We should not hold any references to a Context from a static instance */
33public class RecentsConfiguration {
34    static RecentsConfiguration sInstance;
35
36    DisplayMetrics mDisplayMetrics;
37
38    public Rect systemInsets = new Rect();
39    public Rect displayRect = new Rect();
40
41    boolean isLandscape;
42    boolean transposeSearchLayoutWithOrientation;
43    int searchBarAppWidgetId = -1;
44
45    public float animationPxMovementPerSecond;
46
47    public Interpolator defaultBezierInterpolator;
48
49    public int filteringCurrentViewsMinAnimDuration;
50    public int filteringNewViewsMinAnimDuration;
51    public int taskBarEnterAnimDuration;
52    public int taskBarExitAnimDuration;
53    public int taskStackScrollDismissInfoPaneDistance;
54    public int taskStackMaxDim;
55    public int taskViewInfoPaneAnimDuration;
56    public int taskViewRemoveAnimDuration;
57    public int taskViewRemoveAnimTranslationXPx;
58    public int taskViewTranslationZMinPx;
59    public int taskViewTranslationZIncrementPx;
60    public int taskViewRoundedCornerRadiusPx;
61    public int searchBarSpaceHeightPx;
62
63    public int taskBarViewDefaultBackgroundColor;
64    public int taskBarViewDefaultTextColor;
65    public int taskBarViewLightTextColor;
66    public int taskBarViewDarkTextColor;
67
68    public boolean launchedWithThumbnailAnimation;
69
70    /** Private constructor */
71    private RecentsConfiguration() {}
72
73    /** Updates the configuration to the current context */
74    public static RecentsConfiguration reinitialize(Context context) {
75        if (sInstance == null) {
76            sInstance = new RecentsConfiguration();
77        }
78        sInstance.update(context);
79        return sInstance;
80    }
81
82    /** Returns the current recents configuration */
83    public static RecentsConfiguration getInstance() {
84        return sInstance;
85    }
86
87    /** Updates the state, given the specified context */
88    void update(Context context) {
89        Resources res = context.getResources();
90        DisplayMetrics dm = res.getDisplayMetrics();
91        mDisplayMetrics = dm;
92
93        isLandscape = res.getConfiguration().orientation ==
94                Configuration.ORIENTATION_LANDSCAPE;
95        transposeSearchLayoutWithOrientation =
96                res.getBoolean(R.bool.recents_transpose_search_layout_with_orientation);
97        Console.log(Constants.Log.UI.MeasureAndLayout,
98                "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
99                Console.AnsiGreen);
100
101        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
102        animationPxMovementPerSecond =
103                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
104        filteringCurrentViewsMinAnimDuration =
105                res.getInteger(R.integer.recents_filter_animate_current_views_min_duration);
106        filteringNewViewsMinAnimDuration =
107                res.getInteger(R.integer.recents_filter_animate_new_views_min_duration);
108        taskBarEnterAnimDuration =
109                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
110        taskBarExitAnimDuration =
111                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
112        taskStackScrollDismissInfoPaneDistance = res.getDimensionPixelSize(
113                R.dimen.recents_task_stack_scroll_dismiss_info_pane_distance);
114        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
115        taskViewInfoPaneAnimDuration =
116                res.getInteger(R.integer.recents_animate_task_view_info_pane_duration);
117        taskViewRemoveAnimDuration =
118                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
119        taskViewRemoveAnimTranslationXPx =
120                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
121        taskViewRoundedCornerRadiusPx =
122                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
123        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
124        taskViewTranslationZIncrementPx =
125                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
126        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
127
128        taskBarViewDefaultBackgroundColor =
129                res.getColor(R.color.recents_task_bar_default_background_color);
130        taskBarViewDefaultTextColor =
131                res.getColor(R.color.recents_task_bar_default_text_color);
132        taskBarViewLightTextColor =
133                res.getColor(R.color.recents_task_bar_light_text_color);
134        taskBarViewDarkTextColor =
135                res.getColor(R.color.recents_task_bar_dark_text_color);
136
137        defaultBezierInterpolator = AnimationUtils.loadInterpolator(context,
138                        com.android.internal.R.interpolator.fast_out_slow_in);
139
140        // Update the search widget id
141        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
142        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
143    }
144
145    /** Updates the system insets */
146    public void updateSystemInsets(Rect insets) {
147        systemInsets.set(insets);
148    }
149
150    /** Updates the search bar app widget */
151    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
152        searchBarAppWidgetId = appWidgetId;
153        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
154        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
155                appWidgetId).apply();
156    }
157
158    /** Returns whether the search bar app widget exists */
159    public boolean hasSearchBarAppWidget() {
160        return searchBarAppWidgetId >= 0;
161    }
162
163    /**
164     * Returns the task stack bounds in the current orientation. These bounds do not account for
165     * the system insets.
166     */
167    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
168        if (hasSearchBarAppWidget()) {
169            Rect searchBarBounds = new Rect();
170            getSearchBarBounds(width, height, searchBarBounds);
171            if (isLandscape && transposeSearchLayoutWithOrientation) {
172                // In landscape, the search bar appears on the left, so shift the task rect right
173                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
174            } else {
175                // In portrait, the search bar appears on the top, so shift the task rect below
176                taskStackBounds.set(0, searchBarBounds.height(), width, height);
177            }
178        } else {
179            taskStackBounds.set(0, 0, width, height);
180        }
181    }
182
183    /**
184     * Returns the search bar bounds in the current orientation.  These bounds do not account for
185     * the system insets.
186     */
187    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
188        // Return empty rects if search is not enabled
189        if (!Constants.DebugFlags.App.EnableSearchLayout) {
190            searchBarSpaceBounds.set(0, 0, 0, 0);
191            return;
192        }
193
194        if (isLandscape && transposeSearchLayoutWithOrientation) {
195            // In landscape, the search bar appears on the left
196            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
197        } else {
198            // In portrait, the search bar appears on the top
199            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
200        }
201    }
202
203    /** Converts from DPs to PXs */
204    public int pxFromDp(float size) {
205        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
206                size, mDisplayMetrics));
207    }
208    /** Converts from SPs to PXs */
209    public int pxFromSp(float size) {
210        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
211                size, mDisplayMetrics));
212    }
213}
214