RecentsConfiguration.java revision b1f749906f5c27114d02ea0c3f8ce0dcea08fd3f
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.provider.Settings;
25import android.util.DisplayMetrics;
26import android.util.TypedValue;
27import android.view.animation.AnimationUtils;
28import android.view.animation.Interpolator;
29import com.android.systemui.R;
30import com.android.systemui.recents.misc.Console;
31import com.android.systemui.recents.misc.SystemServicesProxy;
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    /** 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 filteringCurrentViewsAnimDuration;
51    public int filteringNewViewsAnimDuration;
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    /** Loading */
62    public int maxNumTasksToLoad;
63
64    /** Search bar */
65    int searchBarAppWidgetId = -1;
66    public int searchBarSpaceHeightPx;
67
68    /** Task stack */
69    public int taskStackMaxDim;
70    public int taskStackTopPaddingPx;
71    public float taskStackWidthPaddingPct;
72
73    /** Task view animation and styles */
74    public int taskViewEnterFromHomeDuration;
75    public int taskViewEnterFromHomeDelay;
76    public int taskViewExitToHomeDuration;
77    public int taskViewRemoveAnimDuration;
78    public int taskViewRemoveAnimTranslationXPx;
79    public int taskViewTranslationZMinPx;
80    public int taskViewTranslationZMaxPx;
81    public int taskViewRoundedCornerRadiusPx;
82    public int taskViewHighlightPx;
83    public int taskViewAffiliateGroupEnterOffsetPx;
84
85    /** Task bar colors */
86    public int taskBarViewDefaultBackgroundColor;
87    public int taskBarViewLightTextColor;
88    public int taskBarViewDarkTextColor;
89    public int taskBarViewHighlightColor;
90    public float taskBarViewAffiliationColorMinAlpha;
91
92    /** Task bar size & animations */
93    public int taskBarHeight;
94    public int taskBarEnterAnimDuration;
95    public int taskBarEnterAnimDelay;
96    public int taskBarExitAnimDuration;
97    public int taskBarDismissDozeDelaySeconds;
98
99    /** Lock to app */
100    public int taskViewLockToAppButtonHeight;
101    public int taskViewLockToAppShortAnimDuration;
102    public int taskViewLockToAppLongAnimDuration;
103
104    /** Nav bar scrim */
105    public int navBarScrimEnterDuration;
106
107    /** Launch states */
108    public boolean launchedWithAltTab;
109    public boolean launchedWithNoRecentTasks;
110    public boolean launchedFromAppWithThumbnail;
111    public boolean launchedFromAppWithScreenshot;
112    public boolean launchedFromHome;
113    public int launchedToTaskId;
114
115    /** Dev options and global settings */
116    public boolean lockToAppEnabled;
117    public boolean developerOptionsEnabled;
118    public boolean debugModeEnabled;
119
120    /** Private constructor */
121    private RecentsConfiguration(Context context) {
122        // Properties that don't have to be reloaded with each configuration change can be loaded
123        // here.
124
125        // Interpolators
126        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
127                com.android.internal.R.interpolator.fast_out_slow_in);
128        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
129                com.android.internal.R.interpolator.fast_out_linear_in);
130        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
131                com.android.internal.R.interpolator.linear_out_slow_in);
132        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
133                com.android.internal.R.interpolator.decelerate_quint);
134    }
135
136    /** Updates the configuration to the current context */
137    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
138        if (sInstance == null) {
139            sInstance = new RecentsConfiguration(context);
140        }
141        int configHashCode = context.getResources().getConfiguration().hashCode();
142        if (sPrevConfigurationHashCode != configHashCode) {
143            sInstance.update(context);
144            sPrevConfigurationHashCode = configHashCode;
145        }
146        sInstance.updateOnReinitialize(context, ssp);
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
161        // Debug mode
162        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
163        if (debugModeEnabled) {
164            Console.Enabled = true;
165        }
166
167        // Layout
168        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
169        transposeRecentsLayoutWithOrientation =
170                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
171
172        // Insets
173        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
174
175        // Animations
176        animationPxMovementPerSecond =
177                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
178
179        // Filtering
180        filteringCurrentViewsAnimDuration =
181                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
182        filteringNewViewsAnimDuration =
183                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
184
185        // Loading
186        maxNumTasksToLoad = res.getInteger(R.integer.recents_max_num_tasks_to_load);
187
188        // Search Bar
189        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
190        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
191
192        // Task stack
193        TypedValue widthPaddingPctValue = new TypedValue();
194        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
195        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
196        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
197        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
198
199        // Task view animation and styles
200        taskViewEnterFromHomeDuration =
201                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
202        taskViewEnterFromHomeDelay =
203                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
204        taskViewExitToHomeDuration =
205                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
206        taskViewRemoveAnimDuration =
207                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
208        taskViewRemoveAnimTranslationXPx =
209                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
210        taskViewRoundedCornerRadiusPx =
211                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
212        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
213        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
214        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
215        taskViewAffiliateGroupEnterOffsetPx =
216                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
217
218        // Task bar colors
219        taskBarViewDefaultBackgroundColor =
220                res.getColor(R.color.recents_task_bar_default_background_color);
221        taskBarViewLightTextColor =
222                res.getColor(R.color.recents_task_bar_light_text_color);
223        taskBarViewDarkTextColor =
224                res.getColor(R.color.recents_task_bar_dark_text_color);
225        taskBarViewHighlightColor =
226                res.getColor(R.color.recents_task_bar_highlight_color);
227        TypedValue affMinAlphaPctValue = new TypedValue();
228        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
229        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
230
231        // Task bar size & animations
232        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
233        taskBarEnterAnimDuration =
234                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
235        taskBarEnterAnimDelay =
236                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
237        taskBarExitAnimDuration =
238                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
239        taskBarDismissDozeDelaySeconds =
240                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
241
242        // Lock to app
243        taskViewLockToAppButtonHeight =
244                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
245        taskViewLockToAppShortAnimDuration =
246                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
247        taskViewLockToAppLongAnimDuration =
248                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
249
250        // Nav bar scrim
251        navBarScrimEnterDuration =
252                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
253    }
254
255    /** Updates the system insets */
256    public void updateSystemInsets(Rect insets) {
257        systemInsets.set(insets);
258    }
259
260    /** Updates the search bar app widget */
261    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
262        searchBarAppWidgetId = appWidgetId;
263        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
264        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
265                appWidgetId).apply();
266    }
267
268    /** Updates the states that need to be re-read whenever we re-initialize. */
269    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
270        // Check if the developer options are enabled
271        developerOptionsEnabled = ssp.getGlobalSetting(context,
272                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
273        lockToAppEnabled = ssp.getSystemSetting(context,
274                Settings.System.LOCK_TO_APP_ENABLED) != 0;
275    }
276
277    /** Called when the configuration has changed, and we want to reset any configuration specific
278     * members. */
279    public void updateOnConfigurationChange() {
280        launchedWithAltTab = false;
281        launchedWithNoRecentTasks = false;
282        launchedFromAppWithThumbnail = false;
283        launchedFromAppWithScreenshot = false;
284        launchedFromHome = false;
285        launchedToTaskId = -1;
286    }
287
288    /** Returns whether the search bar app widget exists. */
289    public boolean hasSearchBarAppWidget() {
290        return searchBarAppWidgetId >= 0;
291    }
292
293    /** Returns whether the status bar scrim should be animated when shown for the first time. */
294    public boolean shouldAnimateStatusBarScrim() {
295        return launchedFromHome;
296    }
297
298    /** Returns whether the status bar scrim should be visible. */
299    public boolean hasStatusBarScrim() {
300        return !launchedWithNoRecentTasks;
301    }
302
303    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
304    public boolean shouldAnimateNavBarScrim() {
305        return true;
306    }
307
308    /** Returns whether the nav bar scrim should be visible. */
309    public boolean hasNavBarScrim() {
310        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
311        return !launchedWithNoRecentTasks &&
312                (!transposeRecentsLayoutWithOrientation || !isLandscape);
313    }
314
315    /** Returns whether the current layout is horizontal. */
316    public boolean hasHorizontalLayout() {
317        return isLandscape && transposeRecentsLayoutWithOrientation;
318    }
319
320    /**
321     * Returns the task stack bounds in the current orientation. These bounds do not account for
322     * the system insets.
323     */
324    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
325                                   Rect taskStackBounds) {
326        Rect searchBarBounds = new Rect();
327        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
328        if (isLandscape && transposeRecentsLayoutWithOrientation) {
329            // In landscape, the search bar appears on the left
330            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
331        } else {
332            // In portrait, the search bar appears on the top (which already has the inset)
333            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
334        }
335    }
336
337    /**
338     * Returns the search bar bounds in the current orientation.  These bounds do not account for
339     * the system insets.
340     */
341    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
342                                   Rect searchBarSpaceBounds) {
343        // Return empty rects if search is not enabled
344        int searchBarSize = searchBarSpaceHeightPx;
345        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
346            searchBarSize = 0;
347        }
348
349        if (isLandscape && transposeRecentsLayoutWithOrientation) {
350            // In landscape, the search bar appears on the left
351            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
352        } else {
353            // In portrait, the search bar appears on the top
354            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
355        }
356    }
357}
358