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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.chrome.browser.widget; | 5 package org.chromium.chrome.browser.widget; |
6 | 6 |
7 import android.content.Context; | 7 import android.content.Context; |
8 import android.util.AttributeSet; | 8 import android.util.AttributeSet; |
9 import android.view.ViewGroup; | 9 import android.view.ViewGroup; |
10 import android.view.ViewStub; | 10 import android.view.ViewStub; |
11 import android.widget.ImageView; | 11 import android.widget.ImageView; |
12 import android.widget.LinearLayout; | 12 import android.widget.LinearLayout; |
13 import android.widget.TextView; | 13 import android.widget.TextView; |
14 | 14 |
15 import org.chromium.base.ApiCompatibilityUtils; | 15 import org.chromium.base.ApiCompatibilityUtils; |
16 import org.chromium.chrome.R; | 16 import org.chromium.chrome.R; |
17 import org.chromium.chrome.browser.infobar.InfoBarControlLayout; | 17 import org.chromium.chrome.browser.infobar.InfoBarControlLayout; |
18 import org.chromium.chrome.browser.widget.PromoDialog.DialogParams; | 18 import org.chromium.chrome.browser.widget.PromoDialog.DialogParams; |
19 | 19 |
20 /** | 20 /** |
21 * View that handles orientation changes for the promo dialogs. When the width i s greater than the | 21 * Lays out a promo dialog that is shown when Clank starts up. |
22 * height, the promo content switches from vertical to horizontal and moves the illustration from | 22 * |
23 * the top of the text to the side of the text. | 23 * Because of the versatility of dialog content and screen sizes, this layout ex hibits a bunch of |
24 * specific behaviors (see go/snowflake-dialogs for details): | |
gone
2017/04/26 05:11:47
Not entirely sure if it makes sense to link to the
| |
25 * | |
26 * + It hides controls when their resources are not specified by the {@link Dial ogParams}. | |
27 * The only two required components are the header text and the primary button label. | |
28 * | |
29 * + When the width is greater than the height, the promo content switches from vertical to | |
30 * horizontal and moves the illustration from the top of the text to the side of the text. | |
31 * | |
32 * + The buttons are always locked to the bottom of the dialog and stack when th ere isn't enough | |
33 * room to display them on one row. | |
34 * | |
35 * + If there is no promo illustration, the header text becomes locked to the to p of the dialog and | |
36 * doesn't scroll away. | |
24 */ | 37 */ |
25 public final class PromoDialogLayout extends BoundedLinearLayout { | 38 public final class PromoDialogLayout extends BoundedLinearLayout { |
26 /** Content in the dialog that will flip orientation when the screen is wide . */ | 39 /** Content in the dialog that will flip orientation when the screen is wide . */ |
27 private LinearLayout mFlippableContent; | 40 private LinearLayout mFlippableContent; |
28 | 41 |
29 /** Content in the dialog that can be scrolled. */ | 42 /** Content in the dialog that can be scrolled. */ |
30 private LinearLayout mScrollableContent; | 43 private LinearLayout mScrollableContent; |
31 | 44 |
32 /** Illustration that teases the thing being promoted. */ | 45 /** Illustration that teases the thing being promoted. */ |
33 private ImageView mIllustrationView; | 46 private ImageView mIllustrationView; |
(...skipping 21 matching lines...) Expand all Loading... | |
55 mIllustrationView = (ImageView) findViewById(R.id.illustration); | 68 mIllustrationView = (ImageView) findViewById(R.id.illustration); |
56 mHeaderView = (TextView) findViewById(R.id.header); | 69 mHeaderView = (TextView) findViewById(R.id.header); |
57 mSubheaderView = (TextView) findViewById(R.id.subheader); | 70 mSubheaderView = (TextView) findViewById(R.id.subheader); |
58 | 71 |
59 super.onFinishInflate(); | 72 super.onFinishInflate(); |
60 } | 73 } |
61 | 74 |
62 /** Initializes the dialog contents using the given params. Should only be called once. */ | 75 /** Initializes the dialog contents using the given params. Should only be called once. */ |
63 void initialize(DialogParams params) { | 76 void initialize(DialogParams params) { |
64 assert mParams == null && params != null; | 77 assert mParams == null && params != null; |
78 assert params.headerStringResource != 0; | |
79 assert params.primaryButtonStringResource != 0; | |
65 mParams = params; | 80 mParams = params; |
66 | 81 |
67 if (mParams.drawableResource == 0) { | 82 if (mParams.drawableResource == 0) { |
83 // Dialogs with no illustration make the header stay visible at all times instead of | |
84 // scrolling off on small screens. | |
68 ((ViewGroup) mIllustrationView.getParent()).removeView(mIllustration View); | 85 ((ViewGroup) mIllustrationView.getParent()).removeView(mIllustration View); |
69 ((ViewGroup) mHeaderView.getParent()).removeView(mHeaderView); | 86 ((ViewGroup) mHeaderView.getParent()).removeView(mHeaderView); |
70 addView(mHeaderView, 0); | 87 addView(mHeaderView, 0); |
71 } else { | 88 } else { |
72 mIllustrationView.setImageResource(mParams.drawableResource); | 89 mIllustrationView.setImageResource(mParams.drawableResource); |
73 } | 90 } |
74 | 91 |
75 // TODO(dfalcantara): Lock the title in place, if requested by the Dialo gParams. | 92 // Create the header. Its margins are set here because they can be re-p arented above. |
76 mHeaderView.setText(mParams.headerStringResource); | 93 mHeaderView.setText(mParams.headerStringResource); |
77 ApiCompatibilityUtils.setMarginStart((MarginLayoutParams) mHeaderView.ge tLayoutParams(), | 94 ApiCompatibilityUtils.setMarginStart((MarginLayoutParams) mHeaderView.ge tLayoutParams(), |
78 getContext().getResources().getDimensionPixelSize(R.dimen.dialog _header_margin)); | 95 getContext().getResources().getDimensionPixelSize(R.dimen.dialog _header_margin)); |
79 ApiCompatibilityUtils.setMarginEnd((MarginLayoutParams) mHeaderView.getL ayoutParams(), | 96 ApiCompatibilityUtils.setMarginEnd((MarginLayoutParams) mHeaderView.getL ayoutParams(), |
80 getContext().getResources().getDimensionPixelSize(R.dimen.dialog _header_margin)); | 97 getContext().getResources().getDimensionPixelSize(R.dimen.dialog _header_margin)); |
81 | 98 |
99 // Set up the subheader text. | |
82 if (mParams.subheaderStringResource == 0) { | 100 if (mParams.subheaderStringResource == 0) { |
83 ((ViewGroup) mSubheaderView.getParent()).removeView(mSubheaderView); | 101 ((ViewGroup) mSubheaderView.getParent()).removeView(mSubheaderView); |
84 } else { | 102 } else { |
85 mSubheaderView.setText(mParams.subheaderStringResource); | 103 mSubheaderView.setText(mParams.subheaderStringResource); |
86 } | 104 } |
87 | 105 |
106 // Create the footer. | |
88 ViewStub footerStub = (ViewStub) findViewById(R.id.footer_stub); | 107 ViewStub footerStub = (ViewStub) findViewById(R.id.footer_stub); |
89 if (mParams.footerStringResource == 0) { | 108 if (mParams.footerStringResource == 0) { |
90 ((ViewGroup) footerStub.getParent()).removeView(footerStub); | 109 ((ViewGroup) footerStub.getParent()).removeView(footerStub); |
91 } else { | 110 } else { |
92 mFooterView = (TextView) footerStub.inflate(); | 111 mFooterView = (TextView) footerStub.inflate(); |
93 mFooterView.setText(mParams.footerStringResource); | 112 mFooterView.setText(mParams.footerStringResource); |
94 } | 113 } |
95 | 114 |
115 // Create the buttons. | |
96 DualControlLayout buttonBar = (DualControlLayout) findViewById(R.id.butt on_bar); | 116 DualControlLayout buttonBar = (DualControlLayout) findViewById(R.id.butt on_bar); |
97 if (mParams.primaryButtonStringResource != 0) { | 117 String primaryString = getResources().getString(mParams.primaryButtonStr ingResource); |
98 String primaryString = getResources().getString(mParams.primaryButto nStringResource); | 118 buttonBar.addView( |
119 DualControlLayout.createButtonForLayout(getContext(), true, prim aryString, null)); | |
120 | |
121 if (mParams.secondaryButtonStringResource != 0) { | |
122 String secondaryString = | |
123 getResources().getString(mParams.secondaryButtonStringResour ce); | |
99 buttonBar.addView(DualControlLayout.createButtonForLayout( | 124 buttonBar.addView(DualControlLayout.createButtonForLayout( |
100 getContext(), true, primaryString, null)); | 125 getContext(), false, secondaryString, null)); |
101 | |
102 if (mParams.secondaryButtonStringResource != 0) { | |
103 String secondaryString = | |
104 getResources().getString(mParams.secondaryButtonStringRe source); | |
105 buttonBar.addView(DualControlLayout.createButtonForLayout( | |
106 getContext(), false, secondaryString, null)); | |
107 } | |
108 } else { | |
109 assert mParams.secondaryButtonStringResource == 0; | |
110 } | 126 } |
111 } | 127 } |
112 | 128 |
113 @Override | 129 @Override |
114 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | 130 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
115 int availableWidth = MeasureSpec.getSize(widthMeasureSpec); | 131 int availableWidth = MeasureSpec.getSize(widthMeasureSpec); |
116 int availableHeight = MeasureSpec.getSize(heightMeasureSpec); | 132 int availableHeight = MeasureSpec.getSize(heightMeasureSpec); |
117 | 133 |
118 if (availableWidth > availableHeight * 1.5) { | 134 if (availableWidth > availableHeight * 1.5) { |
119 mFlippableContent.setOrientation(LinearLayout.HORIZONTAL); | 135 mFlippableContent.setOrientation(LinearLayout.HORIZONTAL); |
120 } else { | 136 } else { |
121 mFlippableContent.setOrientation(LinearLayout.VERTICAL); | 137 mFlippableContent.setOrientation(LinearLayout.VERTICAL); |
122 } | 138 } |
123 | 139 |
124 super.onMeasure(widthMeasureSpec, heightMeasureSpec); | 140 super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
125 } | 141 } |
126 | 142 |
127 /** Adds a standardized set of controls to the layout. */ | 143 /** Adds a standardized set of controls to the layout. */ |
128 InfoBarControlLayout addControlLayout() { | 144 InfoBarControlLayout addControlLayout() { |
129 InfoBarControlLayout layout = new InfoBarControlLayout(getContext()); | 145 InfoBarControlLayout layout = new InfoBarControlLayout(getContext()); |
130 mScrollableContent.addView( | 146 mScrollableContent.addView( |
131 layout, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams .WRAP_CONTENT)); | 147 layout, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams .WRAP_CONTENT)); |
132 return layout; | 148 return layout; |
133 } | 149 } |
134 } | 150 } |
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