RecentsConfiguration.java revision f5e22e71cb5f8699a4312c797af068f655cbe629 
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.res.Configuration;
21import android.content.res.Resources;
22import android.graphics.Rect;
23import android.util.DisplayMetrics;
24import android.util.TypedValue;
25import com.android.systemui.R;
26
27
28/** A static Recents configuration for the current context
29 * NOTE: We should not hold any references to a Context from a static instance */
30public class RecentsConfiguration {
31    static RecentsConfiguration sInstance;
32
33    DisplayMetrics mDisplayMetrics;
34
35    public Rect systemInsets = new Rect();
36    public Rect displayRect = new Rect();
37
38    public float animationPxMovementPerSecond;
39
40    public int filteringCurrentViewsMinAnimDuration;
41    public int filteringNewViewsMinAnimDuration;
42    public int taskBarEnterAnimDuration;
43    public int taskBarExitAnimDuration;
44    public int taskStackScrollDismissInfoPaneDistance;
45    public int taskStackMaxDim;
46    public int taskViewInfoPaneAnimDuration;
47    public int taskViewRoundedCornerRadiusPx;
48    public int searchBarSpaceHeightPx;
49    public int searchBarSpaceEdgeMarginsPx;
50
51    public int taskBarViewDefaultBackgroundColor;
52    public int taskBarViewDefaultTextColor;
53    public int taskBarViewLightTextColor;
54    public int taskBarViewDarkTextColor;
55
56    public boolean launchedWithThumbnailAnimation;
57
58    /** Private constructor */
59    private RecentsConfiguration() {}
60
61    /** Updates the configuration to the current context */
62    public static RecentsConfiguration reinitialize(Context context) {
63        if (sInstance == null) {
64            sInstance = new RecentsConfiguration();
65        }
66        sInstance.update(context);
67        return sInstance;
68    }
69
70    /** Returns the current recents configuration */
71    public static RecentsConfiguration getInstance() {
72        return sInstance;
73    }
74
75    /** Updates the state, given the specified context */
76    void update(Context context) {
77        Resources res = context.getResources();
78        DisplayMetrics dm = res.getDisplayMetrics();
79        mDisplayMetrics = dm;
80
81        boolean isLandscape = res.getConfiguration().orientation ==
82                Configuration.ORIENTATION_LANDSCAPE;
83        Console.log(Constants.DebugFlags.UI.MeasureAndLayout,
84                "[RecentsConfiguration|orientation]", isLandscape ? "Landscape" : "Portrait",
85                Console.AnsiGreen);
86
87        displayRect.set(0, 0, dm.widthPixels, dm.heightPixels);
88        animationPxMovementPerSecond =
89                res.getDimensionPixelSize(R.dimen.recents_animation_movement_in_dps_per_second);
90        filteringCurrentViewsMinAnimDuration =
91                res.getInteger(R.integer.recents_filter_animate_current_views_min_duration);
92        filteringNewViewsMinAnimDuration =
93                res.getInteger(R.integer.recents_filter_animate_new_views_min_duration);
94        taskBarEnterAnimDuration =
95                res.getInteger(R.integer.recents_animate_task_bar_enter_duration);
96        taskBarExitAnimDuration =
97                res.getInteger(R.integer.recents_animate_task_bar_exit_duration);
98        taskStackScrollDismissInfoPaneDistance = res.getDimensionPixelSize(
99                R.dimen.recents_task_stack_scroll_dismiss_info_pane_distance);
100        taskStackMaxDim = res.getInteger(R.integer.recents_max_task_stack_view_dim);
101        taskViewInfoPaneAnimDuration =
102                res.getInteger(R.integer.recents_animate_task_view_info_pane_duration);
103        taskViewRoundedCornerRadiusPx =
104                res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius);
105        searchBarSpaceHeightPx = res.getDimensionPixelSize(R.dimen.recents_search_bar_space_height);
106        searchBarSpaceEdgeMarginsPx =
107                res.getDimensionPixelSize(R.dimen.recents_search_bar_space_edge_margins);
108
109        taskBarViewDefaultBackgroundColor =
110                res.getColor(R.color.recents_task_bar_default_background_color);
111        taskBarViewDefaultTextColor =
112                res.getColor(R.color.recents_task_bar_default_text_color);
113        taskBarViewLightTextColor =
114                res.getColor(R.color.recents_task_bar_light_text_color);
115        taskBarViewDarkTextColor =
116                res.getColor(R.color.recents_task_bar_dark_text_color);
117    }
118
119    /** Updates the system insets */
120    public void updateSystemInsets(Rect insets) {
121        systemInsets.set(insets);
122    }
123
124    /** Returns the search bar bounds in the specified orientation */
125    public void getSearchBarBounds(int width, int height,
126                                   Rect searchBarSpaceBounds, Rect searchBarBounds) {
127        // Return empty rects if search is not enabled
128        if (!Constants.DebugFlags.App.EnableSearchButton) {
129            searchBarSpaceBounds.set(0, 0, 0, 0);
130            searchBarBounds.set(0, 0, 0, 0);
131            return;
132        }
133
134        // Calculate the search bar bounds, and account for the system insets
135        int edgeMarginPx = searchBarSpaceEdgeMarginsPx;
136        int availableWidth = width - systemInsets.left - systemInsets.right;
137        searchBarSpaceBounds.set(0, 0, availableWidth, 2 * edgeMarginPx + searchBarSpaceHeightPx);
138
139        // Inset from the search bar space to get the search bar bounds
140        searchBarBounds.set(searchBarSpaceBounds);
141        searchBarBounds.inset(edgeMarginPx, edgeMarginPx);
142    }
143
144    /** Converts from DPs to PXs */
145    public int pxFromDp(float size) {
146        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
147                size, mDisplayMetrics));
148    }
149    /** Converts from SPs to PXs */
150    public int pxFromSp(float size) {
151        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
152                size, mDisplayMetrics));
153    }
154}
155