RecentsConfiguration.java revision 85cfec811e35025dbde54f4dc09fe0e1337c36b8 
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;
31import com.android.systemui.recents.misc.Console;
32
33
34/** A static Recents configuration for the current context
35 * NOTE: We should not hold any references to a Context from a static instance */
36public class RecentsConfiguration {
37    static RecentsConfiguration sInstance;
38    static int sPrevConfigurationHashCode;
39
40    DisplayMetrics mDisplayMetrics;
41
42    /** Animations */
43    public float animationPxMovementPerSecond;
44
45    /** Interpolators */
46    public Interpolator fastOutSlowInInterpolator;
47    public Interpolator fastOutLinearInInterpolator;
48    public Interpolator linearOutSlowInInterpolator;
49    public Interpolator quintOutInterpolator;
50
51    /** Filtering */
52    public int filteringCurrentViewsAnimDuration;
53    public int filteringNewViewsAnimDuration;
54
55    /** Insets */
56    public Rect systemInsets = new Rect();
57    public Rect displayRect = new Rect();
58
59    /** Layout */
60    boolean isLandscape;
61    boolean transposeRecentsLayoutWithOrientation;
62
63    /** Search bar */
64    int searchBarAppWidgetId = -1;
65    public int searchBarSpaceHeightPx;
66
67    /** Task stack */
68    public int taskStackMaxDim;
69    public int taskStackTopPaddingPx;
70    public float taskStackWidthPaddingPct;
71
72    /** Task view animation and styles */
73    public int taskViewEnterFromHomeDuration;
74    public int taskViewEnterFromHomeDelay;
75    public int taskViewExitToHomeDuration;
76    public int taskViewRemoveAnimDuration;
77    public int taskViewRemoveAnimTranslationXPx;
78    public int taskViewTranslationZMinPx;
79    public int taskViewTranslationZIncrementPx;
80    public int taskViewRoundedCornerRadiusPx;
81    public int taskViewHighlightPx;
82
83    /** Task bar colors */
84    public int taskBarViewDefaultBackgroundColor;
85    public int taskBarViewLightTextColor;
86    public int taskBarViewDarkTextColor;
87    public int taskBarViewHighlightColor;
88
89    /** Task bar size & animations */
90    public int taskBarHeight;
91    public int taskBarEnterAnimDuration;
92    public int taskBarEnterAnimDelay;
93    public int taskBarExitAnimDuration;
94    public int taskBarDismissDozeDelaySeconds;
95
96    /** Lock to app */
97    public int taskViewLockToAppButtonHeight;
98    public int taskViewLockToAppShortAnimDuration;
99    public int taskViewLockToAppLongAnimDuration;
100
101    /** Nav bar scrim */
102    public int navBarScrimEnterDuration;
103
104    /** Launch states */
105    public boolean launchedWithAltTab;
106    public boolean launchedWithNoRecentTasks;
107    public boolean launchedFromAppWithThumbnail;
108    public boolean launchedFromAppWithScreenshot;
109    public boolean launchedFromHome;
110    public int launchedToTaskId;
111
112    /** Dev options */
113    public boolean developerOptionsEnabled;
114    public boolean debugModeEnabled;
115
116    /** Private constructor */
117    private RecentsConfiguration(Context context) {
118        // Properties that don't have to be reloaded with each configuration change can be loaded
119        // here.
120
121        // Interpolators
122        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
123                com.android.internal.R.interpolator.fast_out_slow_in);
124        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
125                com.android.internal.R.interpolator.fast_out_linear_in);
126        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
127                com.android.internal.R.interpolator.linear_out_slow_in);
128        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
129                com.android.internal.R.interpolator.decelerate_quint);
130
131        // Check if the developer options are enabled
132        ContentResolver cr = context.getContentResolver();
133        developerOptionsEnabled = Settings.Global.getInt(cr,
134                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
135    }
136
137    /** Updates the configuration to the current context */
138    public static RecentsConfiguration reinitialize(Context context) {
139        if (sInstance == null) {
140            sInstance = new RecentsConfiguration(context);
141        }
142        int configHashCode = context.getResources().getConfiguration().hashCode();
143        if (sPrevConfigurationHashCode != configHashCode) {
144            sInstance.update(context);
145            sPrevConfigurationHashCode = configHashCode;
146        }
147        return sInstance;
148    }
149
150    /** Returns the current recents configuration */
151    public static RecentsConfiguration getInstance() {
152        return sInstance;
153    }
154
155    /** Updates the state, given the specified context */
156    void update(Context context) {
157        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
158        Resources res = context.getResources();
159        DisplayMetrics dm = res.getDisplayMetrics();
160        mDisplayMetrics = dm;
161
162        // Debug mode
163        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
164        if (debugModeEnabled) {
165            Console.Enabled = true;
166        }
167
168        // Animations
169        animationPxMovementPerSecond =
170                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
171
172        // Filtering
173        filteringCurrentViewsAnimDuration =
174                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
175        filteringNewViewsAnimDuration =
176                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
177
178        // Insets
179        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
180
181        // Layout
182        isLandscape = res.getConfiguration().orientation ==
183                Configuration.ORIENTATION_LANDSCAPE;
184        transposeRecentsLayoutWithOrientation =
185                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
186
187        // Search Bar
188        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
189        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
190
191        // Task stack
192        TypedValue widthPaddingPctValue = new TypedValue();
193        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
194        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
195        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
196        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
197
198        // Task view animation and styles
199        taskViewEnterFromHomeDuration =
200                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
201        taskViewEnterFromHomeDelay =
202                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
203        taskViewExitToHomeDuration =
204                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
205        taskViewRemoveAnimDuration =
206                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
207        taskViewRemoveAnimTranslationXPx =
208                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
209        taskViewRoundedCornerRadiusPx =
210                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
211        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
212        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
213        taskViewTranslationZIncrementPx =
214                res.getDimensionPixelSize(R.dimen.recents_task_view_z_increment);
215
216        // Task bar colors
217        taskBarViewDefaultBackgroundColor =
218                res.getColor(R.color.recents_task_bar_default_background_color);
219        taskBarViewLightTextColor =
220                res.getColor(R.color.recents_task_bar_light_text_color);
221        taskBarViewDarkTextColor =
222                res.getColor(R.color.recents_task_bar_dark_text_color);
223        taskBarViewHighlightColor =
224                res.getColor(R.color.recents_task_bar_highlight_color);
225
226        // Task bar size & animations
227        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
228        taskBarEnterAnimDuration =
229                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
230        taskBarEnterAnimDelay =
231                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
232        taskBarExitAnimDuration =
233                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
234        taskBarDismissDozeDelaySeconds =
235                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
236
237        // Lock to app
238        taskViewLockToAppButtonHeight =
239                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
240        taskViewLockToAppShortAnimDuration =
241                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
242        taskViewLockToAppLongAnimDuration =
243                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
244
245        // Nav bar scrim
246        navBarScrimEnterDuration =
247                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
248    }
249
250    /** Updates the system insets */
251    public void updateSystemInsets(Rect insets) {
252        systemInsets.set(insets);
253    }
254
255    /** Updates the search bar app widget */
256    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
257        searchBarAppWidgetId = appWidgetId;
258        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
259        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
260                appWidgetId).apply();
261    }
262
263    /** Called when the configuration has changed, and we want to reset any configuration specific
264     * members. */
265    public void updateOnConfigurationChange() {
266        launchedWithAltTab = false;
267        launchedWithNoRecentTasks = false;
268        launchedFromAppWithThumbnail = false;
269        launchedFromAppWithScreenshot = false;
270        launchedFromHome = false;
271        launchedToTaskId = -1;
272    }
273
274    /** Returns whether the search bar app widget exists. */
275    public boolean hasSearchBarAppWidget() {
276        return searchBarAppWidgetId >= 0;
277    }
278
279    /** Returns whether the status bar scrim should be animated when shown for the first time. */
280    public boolean shouldAnimateStatusBarScrim() {
281        return launchedFromHome;
282    }
283
284    /** Returns whether the status bar scrim should be visible. */
285    public boolean hasStatusBarScrim() {
286        return !launchedWithNoRecentTasks;
287    }
288
289    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
290    public boolean shouldAnimateNavBarScrim() {
291        return true;
292    }
293
294    /** Returns whether the nav bar scrim should be visible. */
295    public boolean hasNavBarScrim() {
296        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
297        return !launchedWithNoRecentTasks &&
298                (!transposeRecentsLayoutWithOrientation || !isLandscape);
299    }
300
301    /**
302     * Returns the task stack bounds in the current orientation. These bounds do not account for
303     * the system insets.
304     */
305    public void getTaskStackBounds(int width, int height, Rect taskStackBounds) {
306        if (hasSearchBarAppWidget()) {
307            Rect searchBarBounds = new Rect();
308            getSearchBarBounds(width, height, searchBarBounds);
309            if (isLandscape && transposeRecentsLayoutWithOrientation) {
310                // In landscape, the search bar appears on the left, so shift the task rect right
311                taskStackBounds.set(searchBarBounds.width(), 0, width, height);
312            } else {
313                // In portrait, the search bar appears on the top, so shift the task rect below
314                taskStackBounds.set(0, searchBarBounds.height(), width, height);
315            }
316        } else {
317            taskStackBounds.set(0, 0, width, height);
318        }
319    }
320
321    /**
322     * Returns the search bar bounds in the current orientation.  These bounds do not account for
323     * the system insets.
324     */
325    public void getSearchBarBounds(int width, int height, Rect searchBarSpaceBounds) {
326        // Return empty rects if search is not enabled
327        if (!Constants.DebugFlags.App.EnableSearchLayout) {
328            searchBarSpaceBounds.set(0, 0, 0, 0);
329            return;
330        }
331
332        if (isLandscape && transposeRecentsLayoutWithOrientation) {
333            // In landscape, the search bar appears on the left
334            searchBarSpaceBounds.set(0, 0, searchBarSpaceHeightPx, height);
335        } else {
336            // In portrait, the search bar appears on the top
337            searchBarSpaceBounds.set(0, 0, width, searchBarSpaceHeightPx);
338        }
339    }
340}
341