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| 1 /* | 1 /* |
| 2 * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 370 // The return value of |FrameSelection::modify()| is different based on | 370 // The return value of |FrameSelection::modify()| is different based on |
| 371 // value of |userTriggered| parameter. | 371 // value of |userTriggered| parameter. |
| 372 // When |userTriggered| is |userTriggered|, |modify()| returns false if | 372 // When |userTriggered| is |userTriggered|, |modify()| returns false if |
| 373 // "selectstart" event is dispatched and canceled, otherwise returns true. | 373 // "selectstart" event is dispatched and canceled, otherwise returns true. |
| 374 // When |userTriggered| is |NotUserTrigged|, return value specifies whether | 374 // When |userTriggered| is |NotUserTrigged|, return value specifies whether |
| 375 // selection is modified or not. | 375 // selection is modified or not. |
| 376 bool FrameSelection::Modify(EAlteration alter, | 376 bool FrameSelection::Modify(EAlteration alter, |
| 377 SelectionDirection direction, | 377 SelectionDirection direction, |
| 378 TextGranularity granularity, | 378 TextGranularity granularity, |
| 379 EUserTriggered user_triggered) { | 379 EUserTriggered user_triggered) { |
| 380 SelectionModifier selection_modifier( | 380 SelectionModifier selection_modifier(*GetFrame(), |
| 381 *GetFrame(), ComputeVisibleSelectionInDOMTreeDeprecated(), | 381 ComputeVisibleSelectionInDOMTree(), |
| 382 x_pos_for_vertical_arrow_navigation_); | 382 x_pos_for_vertical_arrow_navigation_); |
| 383 const bool modified = | 383 const bool modified = |
| 384 selection_modifier.Modify(alter, direction, granularity); | 384 selection_modifier.Modify(alter, direction, granularity); |
| 385 if (user_triggered == kUserTriggered && | 385 if (user_triggered == kUserTriggered && |
| 386 selection_modifier.Selection().IsRange() && | 386 selection_modifier.Selection().IsRange() && |
| 387 ComputeVisibleSelectionInDOMTreeDeprecated().IsCaret() && | 387 ComputeVisibleSelectionInDOMTree().IsCaret() && |
| 388 DispatchSelectStart(ComputeVisibleSelectionInDOMTreeDeprecated()) != | 388 DispatchSelectStart(ComputeVisibleSelectionInDOMTree()) != |
| 389 DispatchEventResult::kNotCanceled) { | 389 DispatchEventResult::kNotCanceled) { |
| 390 return false; | 390 return false; |
| 391 } | 391 } |
| 392 if (!modified) { | 392 if (!modified) { |
| 393 if (user_triggered == kNotUserTriggered) | 393 if (user_triggered == kNotUserTriggered) |
| 394 return false; | 394 return false; |
| 395 // If spatial navigation enabled, focus navigator will move focus to | 395 // If spatial navigation enabled, focus navigator will move focus to |
| 396 // another element. See snav-input.html and snav-textarea.html | 396 // another element. See snav-input.html and snav-textarea.html |
| 397 if (IsSpatialNavigationEnabled(frame_)) | 397 if (IsSpatialNavigationEnabled(frame_)) |
| 398 return false; | 398 return false; |
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| 413 granularity_ = kCharacterGranularity; | 413 granularity_ = kCharacterGranularity; |
| 414 | 414 |
| 415 ScheduleVisualUpdateForPaintInvalidationIfNeeded(); | 415 ScheduleVisualUpdateForPaintInvalidationIfNeeded(); |
| 416 | 416 |
| 417 return true; | 417 return true; |
| 418 } | 418 } |
| 419 | 419 |
| 420 bool FrameSelection::Modify(EAlteration alter, | 420 bool FrameSelection::Modify(EAlteration alter, |
| 421 unsigned vertical_distance, | 421 unsigned vertical_distance, |
| 422 VerticalDirection direction) { | 422 VerticalDirection direction) { |
| 423 SelectionModifier selection_modifier( | 423 SelectionModifier selection_modifier(*GetFrame(), |
| 424 *GetFrame(), ComputeVisibleSelectionInDOMTreeDeprecated()); | 424 ComputeVisibleSelectionInDOMTree()); |
| 425 if (!selection_modifier.ModifyWithPageGranularity(alter, vertical_distance, | 425 if (!selection_modifier.ModifyWithPageGranularity(alter, vertical_distance, |
| 426 direction)) { | 426 direction)) { |
| 427 return false; | 427 return false; |
| 428 } | 428 } |
| 429 | 429 |
| 430 SetSelection(selection_modifier.Selection().AsSelection(), | 430 SetSelection(selection_modifier.Selection().AsSelection(), |
| 431 kCloseTyping | kClearTypingStyle | kUserTriggered, | 431 kCloseTyping | kClearTypingStyle | kUserTriggered, |
| 432 alter == kAlterationMove ? CursorAlignOnScroll::kAlways | 432 alter == kAlterationMove ? CursorAlignOnScroll::kAlways |
| 433 : CursorAlignOnScroll::kIfNeeded); | 433 : CursorAlignOnScroll::kIfNeeded); |
| 434 | 434 |
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| 1181 } | 1181 } |
| 1182 | 1182 |
| 1183 void showTree(const blink::FrameSelection* sel) { | 1183 void showTree(const blink::FrameSelection* sel) { |
| 1184 if (sel) | 1184 if (sel) |
| 1185 sel->ShowTreeForThis(); | 1185 sel->ShowTreeForThis(); |
| 1186 else | 1186 else |
| 1187 LOG(INFO) << "Cannot showTree for <null> FrameSelection."; | 1187 LOG(INFO) << "Cannot showTree for <null> FrameSelection."; |
| 1188 } | 1188 } |
| 1189 | 1189 |
| 1190 #endif | 1190 #endif |
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