RecentsConfiguration.java revision ebfc6981828b0699eef85c58b23a61f2cac41af3 
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.app.ActivityManager;
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;
32import com.android.systemui.recents.misc.SystemServicesProxy;
33
34
35/** A static Recents configuration for the current context
36 * NOTE: We should not hold any references to a Context from a static instance */
37public class RecentsConfiguration {
38    static RecentsConfiguration sInstance;
39    static int sPrevConfigurationHashCode;
40
41    /** Animations */
42    public float animationPxMovementPerSecond;
43
44    /** Interpolators */
45    public Interpolator fastOutSlowInInterpolator;
46    public Interpolator fastOutLinearInInterpolator;
47    public Interpolator linearOutSlowInInterpolator;
48    public Interpolator quintOutInterpolator;
49
50    /** Filtering */
51    public int filteringCurrentViewsAnimDuration;
52    public int filteringNewViewsAnimDuration;
53
54    /** Insets */
55    public Rect systemInsets = new Rect();
56    public Rect displayRect = new Rect();
57
58    /** Layout */
59    boolean isLandscape;
60    boolean transposeRecentsLayoutWithOrientation;
61
62    /** Loading */
63    public int maxNumTasksToLoad;
64
65    /** Search bar */
66    int searchBarAppWidgetId = -1;
67    public int searchBarSpaceHeightPx;
68
69    /** Task stack */
70    public int taskStackScrollDuration;
71    public int taskStackMaxDim;
72    public int taskStackTopPaddingPx;
73    public float taskStackWidthPaddingPct;
74    public float taskStackOverscrollPct;
75
76    /** Task view animation and styles */
77    public int taskViewEnterFromHomeDuration;
78    public int taskViewEnterFromHomeDelay;
79    public int taskViewExitToHomeDuration;
80    public int taskViewRemoveAnimDuration;
81    public int taskViewRemoveAnimTranslationXPx;
82    public int taskViewTranslationZMinPx;
83    public int taskViewTranslationZMaxPx;
84    public int taskViewRoundedCornerRadiusPx;
85    public int taskViewHighlightPx;
86    public int taskViewAffiliateGroupEnterOffsetPx;
87    public float taskViewThumbnailAlpha;
88
89    /** Task bar colors */
90    public int taskBarViewDefaultBackgroundColor;
91    public int taskBarViewLightTextColor;
92    public int taskBarViewDarkTextColor;
93    public int taskBarViewHighlightColor;
94    public float taskBarViewAffiliationColorMinAlpha;
95
96    /** Task bar size & animations */
97    public int taskBarHeight;
98    public int taskBarEnterAnimDuration;
99    public int taskBarEnterAnimDelay;
100    public int taskBarExitAnimDuration;
101    public int taskBarDismissDozeDelaySeconds;
102
103    /** Lock to app */
104    public int taskViewLockToAppButtonHeight;
105    public int taskViewLockToAppShortAnimDuration;
106    public int taskViewLockToAppLongAnimDuration;
107
108    /** Nav bar scrim */
109    public int navBarScrimEnterDuration;
110
111    /** Launch states */
112    public boolean launchedWithAltTab;
113    public boolean launchedWithNoRecentTasks;
114    public boolean launchedFromAppWithThumbnail;
115    public boolean launchedFromAppWithScreenshot;
116    public boolean launchedFromHome;
117    public int launchedToTaskId;
118
119    /** Misc **/
120    public int altTabKeyDelay;
121
122    /** Dev options and global settings */
123    public boolean lockToAppEnabled;
124    public boolean developerOptionsEnabled;
125    public boolean debugModeEnabled;
126
127    /** Private constructor */
128    private RecentsConfiguration(Context context) {
129        // Properties that don't have to be reloaded with each configuration change can be loaded
130        // here.
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
143    /** Updates the configuration to the current context */
144    public static RecentsConfiguration reinitialize(Context context, SystemServicesProxy ssp) {
145        if (sInstance == null) {
146            sInstance = new RecentsConfiguration(context);
147        }
148        int configHashCode = context.getResources().getConfiguration().hashCode();
149        if (sPrevConfigurationHashCode != configHashCode) {
150            sInstance.update(context);
151            sPrevConfigurationHashCode = configHashCode;
152        }
153        sInstance.updateOnReinitialize(context, ssp);
154        return sInstance;
155    }
156
157    /** Returns the current recents configuration */
158    public static RecentsConfiguration getInstance() {
159        return sInstance;
160    }
161
162    /** Updates the state, given the specified context */
163    void update(Context context) {
164        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
165        Resources res = context.getResources();
166        DisplayMetrics dm = res.getDisplayMetrics();
167
168        // Debug mode
169        debugModeEnabled = settings.getBoolean(Constants.Values.App.Key_DebugModeEnabled, false);
170        if (debugModeEnabled) {
171            Console.Enabled = true;
172        }
173
174        // Layout
175        isLandscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
176        transposeRecentsLayoutWithOrientation =
177                res.getBoolean(R.bool.recents_transpose_layout_with_orientation);
178
179        // Insets
180        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
181
182        // Animations
183        animationPxMovementPerSecond =
184                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
185
186        // Filtering
187        filteringCurrentViewsAnimDuration =
188                res.getInteger(R.integer.recents_filter_animate_current_views_duration);
189        filteringNewViewsAnimDuration =
190                res.getInteger(R.integer.recents_filter_animate_new_views_duration);
191
192        // Loading
193        maxNumTasksToLoad = ActivityManager.getMaxRecentTasksStatic();
194
195        // Search Bar
196        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
197        searchBarAppWidgetId = settings.getInt(Constants.Values.App.Key_SearchAppWidgetId, -1);
198
199        // Task stack
200        taskStackScrollDuration =
201                res.getInteger(R.integer.recents_animate_task_stack_scroll_duration);
202        TypedValue widthPaddingPctValue = new TypedValue();
203        res.getValue(R.dimen.recents_stack_width_padding_percentage, widthPaddingPctValue, true);
204        taskStackWidthPaddingPct = widthPaddingPctValue.getFloat();
205        TypedValue stackOverscrollPctValue = new TypedValue();
206        res.getValue(R.dimen.recents_stack_overscroll_percentage, stackOverscrollPctValue, true);
207        taskStackOverscrollPct = stackOverscrollPctValue.getFloat();
208        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
209        taskStackTopPaddingPx = res.getDimensionPixelSize(R.dimen.recents_stack_top_padding);
210
211        // Task view animation and styles
212        taskViewEnterFromHomeDuration =
213                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
214        taskViewEnterFromHomeDelay =
215                res.getInteger(R.integer.recents_animate_task_enter_from_home_delay);
216        taskViewExitToHomeDuration =
217                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
218        taskViewRemoveAnimDuration =
219                res.getInteger(R.integer.recents_animate_task_view_remove_duration);
220        taskViewRemoveAnimTranslationXPx =
221                res.getDimensionPixelSize(R.dimen.recents_task_view_remove_anim_translation_x);
222        taskViewRoundedCornerRadiusPx =
223                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
224        taskViewHighlightPx = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight);
225        taskViewTranslationZMinPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
226        taskViewTranslationZMaxPx = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
227        taskViewAffiliateGroupEnterOffsetPx =
228                res.getDimensionPixelSize(R.dimen.recents_task_view_affiliate_group_enter_offset);
229        TypedValue thumbnailAlphaValue = new TypedValue();
230        res.getValue(R.dimen.recents_task_view_thumbnail_alpha, thumbnailAlphaValue, true);
231        taskViewThumbnailAlpha = thumbnailAlphaValue.getFloat();
232
233        // Task bar colors
234        taskBarViewDefaultBackgroundColor =
235                res.getColor(R.color.recents_task_bar_default_background_color);
236        taskBarViewLightTextColor =
237                res.getColor(R.color.recents_task_bar_light_text_color);
238        taskBarViewDarkTextColor =
239                res.getColor(R.color.recents_task_bar_dark_text_color);
240        taskBarViewHighlightColor =
241                res.getColor(R.color.recents_task_bar_highlight_color);
242        TypedValue affMinAlphaPctValue = new TypedValue();
243        res.getValue(R.dimen.recents_task_affiliation_color_min_alpha_percentage, affMinAlphaPctValue, true);
244        taskBarViewAffiliationColorMinAlpha = affMinAlphaPctValue.getFloat();
245
246        // Task bar size & animations
247        taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
248        taskBarEnterAnimDuration =
249                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
250        taskBarEnterAnimDelay =
251                res.getInteger(R.integer.recents_animate_task_bar_enter_delay);
252        taskBarExitAnimDuration =
253                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
254        taskBarDismissDozeDelaySeconds =
255                res.getInteger(R.integer.recents_task_bar_dismiss_delay_seconds);
256
257        // Lock to app
258        taskViewLockToAppButtonHeight =
259                res.getDimensionPixelSize(R.dimen.recents_task_view_lock_to_app_button_height);
260        taskViewLockToAppShortAnimDuration =
261                res.getInteger(R.integer.recents_animate_lock_to_app_button_short_duration);
262        taskViewLockToAppLongAnimDuration =
263                res.getInteger(R.integer.recents_animate_lock_to_app_button_long_duration);
264
265        // Nav bar scrim
266        navBarScrimEnterDuration =
267                res.getInteger(R.integer.recents_nav_bar_scrim_enter_duration);
268
269        // Misc
270        altTabKeyDelay = res.getInteger(R.integer.recents_alt_tab_key_delay);
271    }
272
273    /** Updates the system insets */
274    public void updateSystemInsets(Rect insets) {
275        systemInsets.set(insets);
276    }
277
278    /** Updates the search bar app widget */
279    public void updateSearchBarAppWidgetId(Context context, int appWidgetId) {
280        searchBarAppWidgetId = appWidgetId;
281        SharedPreferences settings = context.getSharedPreferences(context.getPackageName(), 0);
282        settings.edit().putInt(Constants.Values.App.Key_SearchAppWidgetId,
283                appWidgetId).apply();
284    }
285
286    /** Updates the states that need to be re-read whenever we re-initialize. */
287    void updateOnReinitialize(Context context, SystemServicesProxy ssp) {
288        // Check if the developer options are enabled
289        developerOptionsEnabled = ssp.getGlobalSetting(context,
290                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED) != 0;
291        lockToAppEnabled = ssp.getSystemSetting(context,
292                Settings.System.LOCK_TO_APP_ENABLED) != 0;
293    }
294
295    /** Called when the configuration has changed, and we want to reset any configuration specific
296     * members. */
297    public void updateOnConfigurationChange() {
298        launchedWithAltTab = false;
299        launchedWithNoRecentTasks = false;
300        launchedFromAppWithThumbnail = false;
301        launchedFromAppWithScreenshot = false;
302        launchedFromHome = false;
303        launchedToTaskId = -1;
304    }
305
306    /** Returns whether the search bar app widget exists. */
307    public boolean hasSearchBarAppWidget() {
308        return searchBarAppWidgetId >= 0;
309    }
310
311    /** Returns whether the status bar scrim should be animated when shown for the first time. */
312    public boolean shouldAnimateStatusBarScrim() {
313        return launchedFromHome;
314    }
315
316    /** Returns whether the status bar scrim should be visible. */
317    public boolean hasStatusBarScrim() {
318        return !launchedWithNoRecentTasks;
319    }
320
321    /** Returns whether the nav bar scrim should be animated when shown for the first time. */
322    public boolean shouldAnimateNavBarScrim() {
323        return true;
324    }
325
326    /** Returns whether the nav bar scrim should be visible. */
327    public boolean hasNavBarScrim() {
328        // Only show the scrim if we have recent tasks, and if the nav bar is not transposed
329        return !launchedWithNoRecentTasks &&
330                (!transposeRecentsLayoutWithOrientation || !isLandscape);
331    }
332
333    /** Returns whether the current layout is horizontal. */
334    public boolean hasHorizontalLayout() {
335        return isLandscape && transposeRecentsLayoutWithOrientation;
336    }
337
338    /**
339     * Returns the task stack bounds in the current orientation. These bounds do not account for
340     * the system insets.
341     */
342    public void getTaskStackBounds(int windowWidth, int windowHeight, int topInset, int rightInset,
343                                   Rect taskStackBounds) {
344        Rect searchBarBounds = new Rect();
345        getSearchBarBounds(windowWidth, windowHeight, topInset, searchBarBounds);
346        if (isLandscape && transposeRecentsLayoutWithOrientation) {
347            // In landscape, the search bar appears on the left
348            taskStackBounds.set(searchBarBounds.right, topInset, windowWidth - rightInset, windowHeight);
349        } else {
350            // In portrait, the search bar appears on the top (which already has the inset)
351            taskStackBounds.set(0, searchBarBounds.bottom, windowWidth, windowHeight);
352        }
353    }
354
355    /**
356     * Returns the search bar bounds in the current orientation.  These bounds do not account for
357     * the system insets.
358     */
359    public void getSearchBarBounds(int windowWidth, int windowHeight, int topInset,
360                                   Rect searchBarSpaceBounds) {
361        // Return empty rects if search is not enabled
362        int searchBarSize = searchBarSpaceHeightPx;
363        if (!Constants.DebugFlags.App.EnableSearchLayout || !hasSearchBarAppWidget()) {
364            searchBarSize = 0;
365        }
366
367        if (isLandscape && transposeRecentsLayoutWithOrientation) {
368            // In landscape, the search bar appears on the left
369            searchBarSpaceBounds.set(0, topInset, searchBarSize, windowHeight);
370        } else {
371            // In portrait, the search bar appears on the top
372            searchBarSpaceBounds.set(0, topInset, windowWidth, topInset + searchBarSize);
373        }
374    }
375}
376