RecentsConfiguration.java revision a0e88b5013d708ac6ed6518817d83c64c87ae4b1 
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    /** Misc **/
116    public int altTabKeyDelay;
117
118    /** Dev options and global settings */
119    public boolean lockToAppEnabled;
120    public boolean developerOptionsEnabled;
121    public boolean debugModeEnabled;
122
123    /** Private constructor */
124    private RecentsConfiguration(Context context) {
125        // Properties that don't have to be reloaded with each configuration change can be loaded
126        // here.
127
128        // Interpolators
129        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
130                com.android.internal.R.interpolator.fast_out_slow_in);
131        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
132                com.android.internal.R.interpolator.fast_out_linear_in);
133        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
134                com.android.internal.R.interpolator.linear_out_slow_in);
135        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
136                com.android.internal.R.interpolator.decelerate_quint);
137    }
138
139    /** Updates the configuration to the current context */
140    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
141        if (sInstance == null) {
142            sInstance = new RecentsConfiguration(context);
143        }
144        int configHashCode = context.getResources().getConfiguration().hashCode();
145        if (sPrevConfigurationHashCode != configHashCode) {
146            sInstance.update(context);
147            sPrevConfigurationHashCode = configHashCode;
148        }
149        sInstance.updateOnReinitialize(context, ssp);
150        return sInstance;
151    }
152
153    /** Returns the current recents configuration */
154    public static RecentsConfiguration getInstance() {
155        return sInstance;
156    }
157
158    /** Updates the state, given the specified context */
159    void update(Context context) {
160        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
161        Resources res = context.getResources();
162        DisplayMetrics dm = res.getDisplayMetrics();
163
164        // Debug mode
165        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
166        if (debugModeEnabled) {
167            Console.Enabled = true;
168        }
169
170        // Layout
171        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
172        transposeRecentsLayoutWithOrientation =
173                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
174
175        // Insets
176        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
177
178        // Animations
179        animationPxMovementPerSecond =
180                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
181
182        // Filtering
183        filteringCurrentViewsAnimDuration =
184                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
185        filteringNewViewsAnimDuration =
186                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
187
188        // Loading
189        maxNumTasksToLoad = res.getInteger(R.integer.recents_max_num_tasks_to_load);
190
191        // Search Bar
192        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
193        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
194
195        // Task stack
196        TypedValue widthPaddingPctValue = new TypedValue();
197        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
198        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
199        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
200        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
201
202        // Task view animation and styles
203        taskViewEnterFromHomeDuration =
204                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
205        taskViewEnterFromHomeDelay =
206                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
207        taskViewExitToHomeDuration =
208                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
209        taskViewRemoveAnimDuration =
210                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
211        taskViewRemoveAnimTranslationXPx =
212                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
213        taskViewRoundedCornerRadiusPx =
214                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
215        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
216        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
217        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
218        taskViewAffiliateGroupEnterOffsetPx =
219                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
220
221        // Task bar colors
222        taskBarViewDefaultBackgroundColor =
223                res.getColor(R.color.recents_task_bar_default_background_color);
224        taskBarViewLightTextColor =
225                res.getColor(R.color.recents_task_bar_light_text_color);
226        taskBarViewDarkTextColor =
227                res.getColor(R.color.recents_task_bar_dark_text_color);
228        taskBarViewHighlightColor =
229                res.getColor(R.color.recents_task_bar_highlight_color);
230        TypedValue affMinAlphaPctValue = new TypedValue();
231        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
232        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
233
234        // Task bar size & animations
235        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
236        taskBarEnterAnimDuration =
237                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
238        taskBarEnterAnimDelay =
239                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
240        taskBarExitAnimDuration =
241                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
242        taskBarDismissDozeDelaySeconds =
243                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
244
245        // Lock to app
246        taskViewLockToAppButtonHeight =
247                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
248        taskViewLockToAppShortAnimDuration =
249                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
250        taskViewLockToAppLongAnimDuration =
251                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
252
253        // Nav bar scrim
254        navBarScrimEnterDuration =
255                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
256
257        // Misc
258        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
259    }
260
261    /** Updates the system insets */
262    public void updateSystemInsets(Rect insets) {
263        systemInsets.set(insets);
264    }
265
266    /** Updates the search bar app widget */
267    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
268        searchBarAppWidgetId = appWidgetId;
269        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
270        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
271                appWidgetId).apply();
272    }
273
274    /** Updates the states that need to be re-read whenever we re-initialize. */
275    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
276        // Check if the developer options are enabled
277        developerOptionsEnabled = ssp.getGlobalSetting(context,
278                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
279        lockToAppEnabled = ssp.getSystemSetting(context,
280                Settings.System.LOCK_TO_APP_ENABLED) != 0;
281    }
282
283    /** Called when the configuration has changed, and we want to reset any configuration specific
284     * members. */
285    public void updateOnConfigurationChange() {
286        launchedWithAltTab = false;
287        launchedWithNoRecentTasks = false;
288        launchedFromAppWithThumbnail = false;
289        launchedFromAppWithScreenshot = false;
290        launchedFromHome = false;
291        launchedToTaskId = -1;
292    }
293
294    /** Returns whether the search bar app widget exists. */
295    public boolean hasSearchBarAppWidget() {
296        return searchBarAppWidgetId >= 0;
297    }
298
299    /** Returns whether the status bar scrim should be animated when shown for the first time. */
300    public boolean shouldAnimateStatusBarScrim() {
301        return launchedFromHome;
302    }
303
304    /** Returns whether the status bar scrim should be visible. */
305    public boolean hasStatusBarScrim() {
306        return !launchedWithNoRecentTasks;
307    }
308
309    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
310    public boolean shouldAnimateNavBarScrim() {
311        return true;
312    }
313
314    /** Returns whether the nav bar scrim should be visible. */
315    public boolean hasNavBarScrim() {
316        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
317        return !launchedWithNoRecentTasks &&
318                (!transposeRecentsLayoutWithOrientation || !isLandscape);
319    }
320
321    /** Returns whether the current layout is horizontal. */
322    public boolean hasHorizontalLayout() {
323        return isLandscape && transposeRecentsLayoutWithOrientation;
324    }
325
326    /**
327     * Returns the task stack bounds in the current orientation. These bounds do not account for
328     * the system insets.
329     */
330    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
331                                   Rect taskStackBounds) {
332        Rect searchBarBounds = new Rect();
333        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
334        if (isLandscape && transposeRecentsLayoutWithOrientation) {
335            // In landscape, the search bar appears on the left
336            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
337        } else {
338            // In portrait, the search bar appears on the top (which already has the inset)
339            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
340        }
341    }
342
343    /**
344     * Returns the search bar bounds in the current orientation.  These bounds do not account for
345     * the system insets.
346     */
347    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
348                                   Rect searchBarSpaceBounds) {
349        // Return empty rects if search is not enabled
350        int searchBarSize = searchBarSpaceHeightPx;
351        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
352            searchBarSize = 0;
353        }
354
355        if (isLandscape && transposeRecentsLayoutWithOrientation) {
356            // In landscape, the search bar appears on the left
357            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
358        } else {
359            // In portrait, the search bar appears on the top
360            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
361        }
362    }
363}
364