RecentsConfiguration.java revision d42a6cfe2bf632222617450a1ed340268e82f06c 
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.ContentResolver;
20import android.content.Context;
21import android.content.SharedPreferences;
22import android.content.res.Configuration;
23import android.content.res.Resources;
24import android.graphics.Rect;
25import android.provider.Settings;
26import android.util.DisplayMetrics;
27import android.util.TypedValue;
28import android.view.animation.AnimationUtils;
29import android.view.animation.Interpolator;
30import com.android.systemui.R;
31
32
33/** A static Recents configuration for the current context
34 * NOTE: We should not hold any references to a Context from a static instance */
35public class RecentsConfiguration {
36    static RecentsConfiguration sInstance;
37
38    DisplayMetrics mDisplayMetrics;
39
40    /** Animations */
41    public float animationPxMovementPerSecond;
42
43    /** Interpolators */
44    public Interpolator fastOutSlowInInterpolator;
45    public Interpolator fastOutLinearInInterpolator;
46    public Interpolator linearOutSlowInInterpolator;
47    public Interpolator quintOutInterpolator;
48
49    /** Filtering */
50    public int filteringCurrentViewsMinAnimDuration;
51    public int filteringNewViewsMinAnimDuration;
52
53    /** Insets */
54    public Rect systemInsets = new Rect();
55    public Rect displayRect = new Rect();
56
57    /** Layout */
58    boolean isLandscape;
59    boolean transposeRecentsLayoutWithOrientation;
60
61    /** Search bar */
62    int searchBarAppWidgetId = -1;
63    public int searchBarSpaceHeightPx;
64
65    /** Task stack */
66    public int taskStackMaxDim;
67    public int taskStackTopPaddingPx;
68    public float taskStackWidthPaddingPct;
69
70    /** Task view animation and styles */
71    public int taskViewEnterFromHomeDuration;
72    public int taskViewEnterFromHomeDelay;
73    public int taskViewRemoveAnimDuration;
74    public int taskViewRemoveAnimTranslationXPx;
75    public int taskViewTranslationZMinPx;
76    public int taskViewTranslationZIncrementPx;
77    public int taskViewShadowOutlineBottomInsetPx;
78    public int taskViewRoundedCornerRadiusPx;
79    public int taskViewHighlightPx;
80
81    /** Task bar colors */
82    public int taskBarViewDefaultBackgroundColor;
83    public int taskBarViewDefaultTextColor;
84    public int taskBarViewLightTextColor;
85    public int taskBarViewDarkTextColor;
86    public int taskBarViewHighlightColor;
87
88    /** Task bar animations */
89    public int taskBarEnterAnimDuration;
90    public int taskBarEnterAnimDelay;
91    public int taskBarExitAnimDuration;
92
93    /** Nav bar scrim */
94    public int navBarScrimEnterDuration;
95
96    /** Launch states */
97    public boolean launchedWithAltTab;
98    public boolean launchedFromAppWithThumbnail;
99    public boolean launchedFromAppWithScreenshot;
100    public boolean launchedFromHome;
101
102    /** Dev options */
103    public boolean developerOptionsEnabled;
104
105    /** Private constructor */
106    private RecentsConfiguration() {}
107
108    /** Updates the configuration to the current context */
109    public static RecentsConfiguration reinitialize(Context context) {
110        if (sInstance == null) {
111            sInstance = new RecentsConfiguration();
112        }
113        sInstance.update(context);
114        return sInstance;
115    }
116
117    /** Returns the current recents configuration */
118    public static RecentsConfiguration getInstance() {
119        return sInstance;
120    }
121
122    /** Updates the state, given the specified context */
123    void update(Context context) {
124        Resources res = context.getResources();
125        DisplayMetrics dm = res.getDisplayMetrics();
126        mDisplayMetrics = dm;
127
128        // Animations
129        animationPxMovementPerSecond =
130                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
131
132        // Interpolators
133        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
134                com.android.internal.R.interpolator.fast_out_slow_in);
135        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
136                com.android.internal.R.interpolator.fast_out_linear_in);
137        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
138                com.android.internal.R.interpolator.linear_out_slow_in);
139        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
140                com.android.internal.R.interpolator.decelerate_quint);
141
142        // Filtering
143        filteringCurrentViewsMinAnimDuration =
144                res.getInteger(R.integer.recents_filter_animate_current_views_min_duration);
145        filteringNewViewsMinAnimDuration =
146                res.getInteger(R.integer.recents_filter_animate_new_views_min_duration);
147
148        // Insets
149        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
150
151        // Layout
152        isLandscape = res.getConfiguration().orientation ==
153                Configuration.ORIENTATION_LANDSCAPE;
154        transposeRecentsLayoutWithOrientation =
155                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
156
157        // Search bar
158        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
159
160        // Update the search widget id
161        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
162        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
163
164        // Task stack
165        TypedValue widthPaddingPctValue = new TypedValue();
166        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
167        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
168        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
169        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
170
171        // Task view animation and styles
172        taskViewEnterFromHomeDuration =
173                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
174        taskViewEnterFromHomeDelay =
175                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
176        taskViewRemoveAnimDuration =
177                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
178        taskViewRemoveAnimTranslationXPx =
179                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
180        taskViewRoundedCornerRadiusPx =
181                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
182        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
183        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
184        taskViewTranslationZIncrementPx =
185                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
186        taskViewShadowOutlineBottomInsetPx =
187                res.getDimensionPixelSize(R.dimen.recents_task_view_shadow_outline_bottom_inset);
188
189        // Task bar colors
190        taskBarViewDefaultBackgroundColor =
191                res.getColor(R.color.recents_task_bar_default_background_color);
192        taskBarViewDefaultTextColor =
193                res.getColor(R.color.recents_task_bar_default_text_color);
194        taskBarViewLightTextColor =
195                res.getColor(R.color.recents_task_bar_light_text_color);
196        taskBarViewDarkTextColor =
197                res.getColor(R.color.recents_task_bar_dark_text_color);
198        taskBarViewHighlightColor =
199                res.getColor(R.color.recents_task_bar_highlight_color);
200
201        // Task bar animations
202        taskBarEnterAnimDuration =
203                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
204        taskBarEnterAnimDelay =
205                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
206        taskBarExitAnimDuration =
207                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
208
209        // Nav bar scrim
210        navBarScrimEnterDuration =
211                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
212
213        // Check if the developer options are enabled
214        ContentResolver cr = context.getContentResolver();
215        developerOptionsEnabled = Settings.Global.getInt(cr,
216                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
217
218        if (Console.Enabled) {
219            Console.log(Constants.Log.UI.MeasureAndLayout,
220                    "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
221                    Console.AnsiGreen);
222        }
223    }
224
225    /** Updates the system insets */
226    public void updateSystemInsets(Rect insets) {
227        systemInsets.set(insets);
228    }
229
230    /** Updates the search bar app widget */
231    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
232        searchBarAppWidgetId = appWidgetId;
233        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
234        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
235                appWidgetId).apply();
236    }
237
238    /** Called when the configuration has changed, and we want to reset any configuration specific
239     * members. */
240    public void updateOnConfigurationChange() {
241        launchedWithAltTab = false;
242        launchedFromAppWithThumbnail = false;
243        launchedFromAppWithScreenshot = false;
244        launchedFromHome = false;
245    }
246
247    /** Returns whether the search bar app widget exists. */
248    public boolean hasSearchBarAppWidget() {
249        return searchBarAppWidgetId >= 0;
250    }
251
252    /** Returns whether the nav bar scrim should be visible. */
253    public boolean hasNavBarScrim() {
254        return !transposeRecentsLayoutWithOrientation || !isLandscape;
255    }
256
257    /**
258     * Returns the task stack bounds in the current orientation. These bounds do not account for
259     * the system insets.
260     */
261    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
262        if (hasSearchBarAppWidget()) {
263            Rect searchBarBounds = new Rect();
264            getSearchBarBounds(width, height, searchBarBounds);
265            if (isLandscape && transposeRecentsLayoutWithOrientation) {
266                // In landscape, the search bar appears on the left, so shift the task rect right
267                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
268            } else {
269                // In portrait, the search bar appears on the top, so shift the task rect below
270                taskStackBounds.set(0, searchBarBounds.height(), width, height);
271            }
272        } else {
273            taskStackBounds.set(0, 0, width, height);
274        }
275    }
276
277    /**
278     * Returns the search bar bounds in the current orientation.  These bounds do not account for
279     * the system insets.
280     */
281    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
282        // Return empty rects if search is not enabled
283        if (!Constants.DebugFlags.App.EnableSearchLayout) {
284            searchBarSpaceBounds.set(0, 0, 0, 0);
285            return;
286        }
287
288        if (isLandscape && transposeRecentsLayoutWithOrientation) {
289            // In landscape, the search bar appears on the left
290            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
291        } else {
292            // In portrait, the search bar appears on the top
293            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
294        }
295    }
296}
297