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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "ui/views/layout/grid_layout.h" | 5 #include "ui/views/layout/grid_layout.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/stl_util.h" | 10 #include "base/stl_util.h" |
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421 int min_width, | 421 int min_width, |
422 bool is_padding) { | 422 bool is_padding) { |
423 Column* column = new Column(h_align, v_align, resize_percent, size_type, | 423 Column* column = new Column(h_align, v_align, resize_percent, size_type, |
424 fixed_width, min_width, columns_.size(), | 424 fixed_width, min_width, columns_.size(), |
425 is_padding); | 425 is_padding); |
426 columns_.push_back(column); | 426 columns_.push_back(column); |
427 } | 427 } |
428 | 428 |
429 void ColumnSet::AddViewState(ViewState* view_state) { | 429 void ColumnSet::AddViewState(ViewState* view_state) { |
430 // view_states are ordered by column_span (in ascending order). | 430 // view_states are ordered by column_span (in ascending order). |
431 std::vector<ViewState*>::iterator i = lower_bound(view_states_.begin(), | 431 std::vector<ViewState*>::iterator i = std::lower_bound(view_states_.begin(), |
432 view_states_.end(), | 432 view_states_.end(), |
433 view_state, | 433 view_state, |
434 CompareByColumnSpan); | 434 CompareByColumnSpan); |
435 view_states_.insert(i, view_state); | 435 view_states_.insert(i, view_state); |
436 } | 436 } |
437 | 437 |
438 void ColumnSet::CalculateMasterColumns() { | 438 void ColumnSet::CalculateMasterColumns() { |
439 for (std::vector<Column*>::iterator i = columns_.begin(); | 439 for (std::vector<Column*>::iterator i = columns_.begin(); |
440 i != columns_.end(); ++i) { | 440 i != columns_.end(); ++i) { |
441 Column* column = *i; | 441 Column* column = *i; |
442 int same_size_column_index = column->same_size_column_; | 442 int same_size_column_index = column->same_size_column_; |
443 if (same_size_column_index != -1) { | 443 if (same_size_column_index != -1) { |
444 DCHECK(same_size_column_index >= 0 && | 444 DCHECK(same_size_column_index >= 0 && |
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496 AccumulateMasterColumns(); | 496 AccumulateMasterColumns(); |
497 } | 497 } |
498 | 498 |
499 void ColumnSet::AccumulateMasterColumns() { | 499 void ColumnSet::AccumulateMasterColumns() { |
500 DCHECK(master_columns_.empty()); | 500 DCHECK(master_columns_.empty()); |
501 for (std::vector<Column*>::iterator i = columns_.begin(); | 501 for (std::vector<Column*>::iterator i = columns_.begin(); |
502 i != columns_.end(); ++i) { | 502 i != columns_.end(); ++i) { |
503 Column* column = *i; | 503 Column* column = *i; |
504 Column* master_column = column->GetLastMasterColumn(); | 504 Column* master_column = column->GetLastMasterColumn(); |
505 if (master_column && | 505 if (master_column && |
506 find(master_columns_.begin(), master_columns_.end(), | 506 std::find(master_columns_.begin(), master_columns_.end(), |
507 master_column) == master_columns_.end()) { | 507 master_column) == master_columns_.end()) { |
508 master_columns_.push_back(master_column); | 508 master_columns_.push_back(master_column); |
509 } | 509 } |
510 // At this point, GetLastMasterColumn may not == master_column | 510 // At this point, GetLastMasterColumn may not == master_column |
511 // (may have to go through a few Columns)_. Reset master_column to | 511 // (may have to go through a few Columns)_. Reset master_column to |
512 // avoid hops. | 512 // avoid hops. |
513 column->master_column_ = master_column; | 513 column->master_column_ = master_column; |
514 } | 514 } |
515 } | 515 } |
516 | 516 |
517 void ColumnSet::UnifySameSizedColumnSizes() { | 517 void ColumnSet::UnifySameSizedColumnSizes() { |
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973 view_state->view->parent() == host_)); | 973 view_state->view->parent() == host_)); |
974 if (!view_state->view->parent()) { | 974 if (!view_state->view->parent()) { |
975 adding_view_ = true; | 975 adding_view_ = true; |
976 host_->AddChildView(view_state->view); | 976 host_->AddChildView(view_state->view); |
977 adding_view_ = false; | 977 adding_view_ = false; |
978 } | 978 } |
979 remaining_row_span_ = std::max(remaining_row_span_, view_state->row_span); | 979 remaining_row_span_ = std::max(remaining_row_span_, view_state->row_span); |
980 next_column_ += view_state->col_span; | 980 next_column_ += view_state->col_span; |
981 current_row_col_set_->AddViewState(view_state); | 981 current_row_col_set_->AddViewState(view_state); |
982 // view_states are ordered by row_span (in ascending order). | 982 // view_states are ordered by row_span (in ascending order). |
983 std::vector<ViewState*>::iterator i = lower_bound(view_states_.begin(), | 983 std::vector<ViewState*>::iterator i = std::lower_bound(view_states_.begin(), |
984 view_states_.end(), | 984 view_states_.end(), |
985 view_state, | 985 view_state, |
986 CompareByRowSpan); | 986 CompareByRowSpan); |
987 view_states_.insert(i, view_state); | 987 view_states_.insert(i, view_state); |
988 SkipPaddingColumns(); | 988 SkipPaddingColumns(); |
989 } | 989 } |
990 | 990 |
991 void GridLayout::AddRow(Row* row) { | 991 void GridLayout::AddRow(Row* row) { |
992 current_row_++; | 992 current_row_++; |
993 remaining_row_span_--; | 993 remaining_row_span_--; |
994 // GridLayout requires that if you add a View with a row span you use the same | 994 // GridLayout requires that if you add a View with a row span you use the same |
995 // column set for each of the rows the view lands it. This DCHECK verifies | 995 // column set for each of the rows the view lands it. This DCHECK verifies |
996 // that. | 996 // that. |
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1063 | 1063 |
1064 ColumnSet* GridLayout::GetLastValidColumnSet() { | 1064 ColumnSet* GridLayout::GetLastValidColumnSet() { |
1065 for (int i = current_row_ - 1; i >= 0; --i) { | 1065 for (int i = current_row_ - 1; i >= 0; --i) { |
1066 if (rows_[i]->column_set()) | 1066 if (rows_[i]->column_set()) |
1067 return rows_[i]->column_set(); | 1067 return rows_[i]->column_set(); |
1068 } | 1068 } |
1069 return NULL; | 1069 return NULL; |
1070 } | 1070 } |
1071 | 1071 |
1072 } // namespace views | 1072 } // namespace views |
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