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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.content.browser; | 5 package org.chromium.content.browser; |
6 | 6 |
7 import android.support.annotation.IntDef; | 7 import android.support.annotation.IntDef; |
8 import android.text.TextUtils; | 8 import android.text.TextUtils; |
9 | 9 |
10 import org.chromium.base.annotations.CalledByNative; | 10 import org.chromium.base.annotations.CalledByNative; |
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72 mProvider.cancelAllRequests(); | 72 mProvider.cancelAllRequests(); |
73 } | 73 } |
74 | 74 |
75 // SelectionClient implementation | 75 // SelectionClient implementation |
76 @Override | 76 @Override |
77 public void onSelectionChanged(String selection) {} | 77 public void onSelectionChanged(String selection) {} |
78 | 78 |
79 @Override | 79 @Override |
80 public void onSelectionEvent(int eventType, float posXPix, float posYPix) { | 80 public void onSelectionEvent(int eventType, float posXPix, float posYPix) { |
81 switch (eventType) { | 81 switch (eventType) { |
82 case SelectionEventType.SELECTION_HANDLES_SHOWN: | |
83 // This event is sent when the long press is detected which caus es | |
84 // selection to appear for the first time. Temporarily hiding th e | |
85 // handles that happens e.g. during scroll does not affect this event. | |
86 requestSurroundingText(SUGGEST_AND_CLASSIFY); | |
87 break; | |
88 | |
89 case SelectionEventType.SELECTION_HANDLES_CLEARED: | 82 case SelectionEventType.SELECTION_HANDLES_CLEARED: |
90 // The ActionMode should be stopped when this event comes. | 83 // The ActionMode should be stopped when this event comes. |
91 cancelAllRequests(); | 84 cancelAllRequests(); |
92 break; | 85 break; |
93 | 86 |
94 case SelectionEventType.SELECTION_HANDLE_DRAG_STOPPED: | |
95 // This event is sent after a user stopped dragging one of the | |
96 // selection handles, i.e. stopped modifying the selection. | |
97 requestSurroundingText(CLASSIFY); | |
98 break; | |
99 | |
100 default: | 87 default: |
101 break; // ignore | 88 break; // ignore |
102 } | 89 } |
103 } | 90 } |
104 | 91 |
105 @Override | 92 @Override |
106 public void showUnhandledTapUIIfNeeded(int x, int y) {} | 93 public void showUnhandledTapUIIfNeeded(int x, int y) {} |
107 | 94 |
108 @Override | 95 @Override |
109 public boolean sendsSelectionPopupUpdates() { | 96 public boolean sendsSelectionPopupUpdates(boolean shouldSuggest) { |
97 requestSurroundingText(shouldSuggest ? SUGGEST_AND_CLASSIFY : CLASSIFY); | |
boliu
2017/04/21 21:20:18
this method right now is "does this client send se
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110 return true; | 98 return true; |
111 } | 99 } |
112 | 100 |
113 private void cancelAllRequests() { | 101 private void cancelAllRequests() { |
114 if (mNativeContextSelectionClient != 0) { | 102 if (mNativeContextSelectionClient != 0) { |
115 nativeCancelAllRequests(mNativeContextSelectionClient); | 103 nativeCancelAllRequests(mNativeContextSelectionClient); |
116 } | 104 } |
117 | 105 |
118 mProvider.cancelAllRequests(); | 106 mProvider.cancelAllRequests(); |
119 } | 107 } |
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148 assert false : "Unexpected callback data"; | 136 assert false : "Unexpected callback data"; |
149 break; | 137 break; |
150 } | 138 } |
151 } | 139 } |
152 | 140 |
153 private native long nativeInit(WebContents webContents); | 141 private native long nativeInit(WebContents webContents); |
154 private native void nativeRequestSurroundingText( | 142 private native void nativeRequestSurroundingText( |
155 long nativeContextSelectionClient, int numExtraCharacters, int callb ackData); | 143 long nativeContextSelectionClient, int numExtraCharacters, int callb ackData); |
156 private native void nativeCancelAllRequests(long nativeContextSelectionClien t); | 144 private native void nativeCancelAllRequests(long nativeContextSelectionClien t); |
157 } | 145 } |
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