RecentsConfiguration.java revision 60a729c8e93461c9446d0c8cd519b40dec01e8d8 
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    public float taskViewThumbnailAlpha;
85
86    /** Task bar colors */
87    public int taskBarViewDefaultBackgroundColor;
88    public int taskBarViewLightTextColor;
89    public int taskBarViewDarkTextColor;
90    public int taskBarViewHighlightColor;
91    public float taskBarViewAffiliationColorMinAlpha;
92
93    /** Task bar size & animations */
94    public int taskBarHeight;
95    public int taskBarEnterAnimDuration;
96    public int taskBarEnterAnimDelay;
97    public int taskBarExitAnimDuration;
98    public int taskBarDismissDozeDelaySeconds;
99
100    /** Lock to app */
101    public int taskViewLockToAppButtonHeight;
102    public int taskViewLockToAppShortAnimDuration;
103    public int taskViewLockToAppLongAnimDuration;
104
105    /** Nav bar scrim */
106    public int navBarScrimEnterDuration;
107
108    /** Launch states */
109    public boolean launchedWithAltTab;
110    public boolean launchedWithNoRecentTasks;
111    public boolean launchedFromAppWithThumbnail;
112    public boolean launchedFromAppWithScreenshot;
113    public boolean launchedFromHome;
114    public int launchedToTaskId;
115
116    /** Misc **/
117    public int altTabKeyDelay;
118
119    /** Dev options and global settings */
120    public boolean lockToAppEnabled;
121    public boolean developerOptionsEnabled;
122    public boolean debugModeEnabled;
123
124    /** Private constructor */
125    private RecentsConfiguration(Context context) {
126        // Properties that don't have to be reloaded with each configuration change can be loaded
127        // here.
128
129        // Interpolators
130        fastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
131                com.android.internal.R.interpolator.fast_out_slow_in);
132        fastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
133                com.android.internal.R.interpolator.fast_out_linear_in);
134        linearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
135                com.android.internal.R.interpolator.linear_out_slow_in);
136        quintOutInterpolator = AnimationUtils.loadInterpolator(context,
137                com.android.internal.R.interpolator.decelerate_quint);
138    }
139
140    /** Updates the configuration to the current context */
141    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
142        if (sInstance == null) {
143            sInstance = new RecentsConfiguration(context);
144        }
145        int configHashCode = context.getResources().getConfiguration().hashCode();
146        if (sPrevConfigurationHashCode != configHashCode) {
147            sInstance.update(context);
148            sPrevConfigurationHashCode = configHashCode;
149        }
150        sInstance.updateOnReinitialize(context, ssp);
151        return sInstance;
152    }
153
154    /** Returns the current recents configuration */
155    public static RecentsConfiguration getInstance() {
156        return sInstance;
157    }
158
159    /** Updates the state, given the specified context */
160    void update(Context context) {
161        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
162        Resources res = context.getResources();
163        DisplayMetrics dm = res.getDisplayMetrics();
164
165        // Debug mode
166        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
167        if (debugModeEnabled) {
168            Console.Enabled = true;
169        }
170
171        // Layout
172        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
173        transposeRecentsLayoutWithOrientation =
174                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
175
176        // Insets
177        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
178
179        // Animations
180        animationPxMovementPerSecond =
181                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
182
183        // Filtering
184        filteringCurrentViewsAnimDuration =
185                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
186        filteringNewViewsAnimDuration =
187                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
188
189        // Loading
190        maxNumTasksToLoad = res.getInteger(R.integer.recents_max_num_tasks_to_load);
191
192        // Search Bar
193        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
194        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
195
196        // Task stack
197        TypedValue widthPaddingPctValue = new TypedValue();
198        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
199        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
200        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
201        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
202
203        // Task view animation and styles
204        taskViewEnterFromHomeDuration =
205                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
206        taskViewEnterFromHomeDelay =
207                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
208        taskViewExitToHomeDuration =
209                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
210        taskViewRemoveAnimDuration =
211                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
212        taskViewRemoveAnimTranslationXPx =
213                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
214        taskViewRoundedCornerRadiusPx =
215                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
216        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
217        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
218        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
219        taskViewAffiliateGroupEnterOffsetPx =
220                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
221        TypedValue thumbnailAlphaValue = new TypedValue();
222        res.getValue(R.dimen.recents_task_view_thumbnail_alpha, thumbnailAlphaValue, true);
223        taskViewThumbnailAlpha = thumbnailAlphaValue.getFloat();
224
225        // Task bar colors
226        taskBarViewDefaultBackgroundColor =
227                res.getColor(R.color.recents_task_bar_default_background_color);
228        taskBarViewLightTextColor =
229                res.getColor(R.color.recents_task_bar_light_text_color);
230        taskBarViewDarkTextColor =
231                res.getColor(R.color.recents_task_bar_dark_text_color);
232        taskBarViewHighlightColor =
233                res.getColor(R.color.recents_task_bar_highlight_color);
234        TypedValue affMinAlphaPctValue = new TypedValue();
235        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
236        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
237
238        // Task bar size & animations
239        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
240        taskBarEnterAnimDuration =
241                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
242        taskBarEnterAnimDelay =
243                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
244        taskBarExitAnimDuration =
245                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
246        taskBarDismissDozeDelaySeconds =
247                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
248
249        // Lock to app
250        taskViewLockToAppButtonHeight =
251                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
252        taskViewLockToAppShortAnimDuration =
253                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
254        taskViewLockToAppLongAnimDuration =
255                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
256
257        // Nav bar scrim
258        navBarScrimEnterDuration =
259                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
260
261        // Misc
262        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
263    }
264
265    /** Updates the system insets */
266    public void updateSystemInsets(Rect insets) {
267        systemInsets.set(insets);
268    }
269
270    /** Updates the search bar app widget */
271    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
272        searchBarAppWidgetId = appWidgetId;
273        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
274        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
275                appWidgetId).apply();
276    }
277
278    /** Updates the states that need to be re-read whenever we re-initialize. */
279    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
280        // Check if the developer options are enabled
281        developerOptionsEnabled = ssp.getGlobalSetting(context,
282                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
283        lockToAppEnabled = ssp.getSystemSetting(context,
284                Settings.System.LOCK_TO_APP_ENABLED) != 0;
285    }
286
287    /** Called when the configuration has changed, and we want to reset any configuration specific
288     * members. */
289    public void updateOnConfigurationChange() {
290        launchedWithAltTab = false;
291        launchedWithNoRecentTasks = false;
292        launchedFromAppWithThumbnail = false;
293        launchedFromAppWithScreenshot = false;
294        launchedFromHome = false;
295        launchedToTaskId = -1;
296    }
297
298    /** Returns whether the search bar app widget exists. */
299    public boolean hasSearchBarAppWidget() {
300        return searchBarAppWidgetId >= 0;
301    }
302
303    /** Returns whether the status bar scrim should be animated when shown for the first time. */
304    public boolean shouldAnimateStatusBarScrim() {
305        return launchedFromHome;
306    }
307
308    /** Returns whether the status bar scrim should be visible. */
309    public boolean hasStatusBarScrim() {
310        return !launchedWithNoRecentTasks;
311    }
312
313    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
314    public boolean shouldAnimateNavBarScrim() {
315        return true;
316    }
317
318    /** Returns whether the nav bar scrim should be visible. */
319    public boolean hasNavBarScrim() {
320        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
321        return !launchedWithNoRecentTasks &&
322                (!transposeRecentsLayoutWithOrientation || !isLandscape);
323    }
324
325    /** Returns whether the current layout is horizontal. */
326    public boolean hasHorizontalLayout() {
327        return isLandscape && transposeRecentsLayoutWithOrientation;
328    }
329
330    /**
331     * Returns the task stack bounds in the current orientation. These bounds do not account for
332     * the system insets.
333     */
334    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
335                                   Rect taskStackBounds) {
336        Rect searchBarBounds = new Rect();
337        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
338        if (isLandscape && transposeRecentsLayoutWithOrientation) {
339            // In landscape, the search bar appears on the left
340            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
341        } else {
342            // In portrait, the search bar appears on the top (which already has the inset)
343            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
344        }
345    }
346
347    /**
348     * Returns the search bar bounds in the current orientation.  These bounds do not account for
349     * the system insets.
350     */
351    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
352                                   Rect searchBarSpaceBounds) {
353        // Return empty rects if search is not enabled
354        int searchBarSize = searchBarSpaceHeightPx;
355        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
356            searchBarSize = 0;
357        }
358
359        if (isLandscape && transposeRecentsLayoutWithOrientation) {
360            // In landscape, the search bar appears on the left
361            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
362        } else {
363            // In portrait, the search bar appears on the top
364            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
365        }
366    }
367}
368