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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 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first. | 5 #define _USE_MATH_DEFINES // For VC++ to get M_PI. This has to be first. |
| 6 | 6 |
| 7 #include "ui/views/view.h" | 7 #include "ui/views/view.h" |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 #include <cmath> | 10 #include <cmath> |
| 11 #include <memory> |
| 11 #include <utility> | 12 #include <utility> |
| 12 | 13 |
| 13 #include "base/logging.h" | 14 #include "base/logging.h" |
| 14 #include "base/macros.h" | 15 #include "base/macros.h" |
| 15 #include "base/memory/scoped_ptr.h" | 16 #include "base/memory/ptr_util.h" |
| 16 #include "base/message_loop/message_loop.h" | 17 #include "base/message_loop/message_loop.h" |
| 17 #include "base/stl_util.h" | 18 #include "base/stl_util.h" |
| 18 #include "base/strings/stringprintf.h" | 19 #include "base/strings/stringprintf.h" |
| 19 #include "base/strings/utf_string_conversions.h" | 20 #include "base/strings/utf_string_conversions.h" |
| 20 #include "base/trace_event/trace_event.h" | 21 #include "base/trace_event/trace_event.h" |
| 21 #include "build/build_config.h" | 22 #include "build/build_config.h" |
| 22 #include "third_party/skia/include/core/SkRect.h" | 23 #include "third_party/skia/include/core/SkRect.h" |
| 23 #include "ui/accessibility/ax_enums.h" | 24 #include "ui/accessibility/ax_enums.h" |
| 24 #include "ui/base/cursor/cursor.h" | 25 #include "ui/base/cursor/cursor.h" |
| 25 #include "ui/base/dragdrop/drag_drop_types.h" | 26 #include "ui/base/dragdrop/drag_drop_types.h" |
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| 472 return; | 473 return; |
| 473 | 474 |
| 474 paint_to_layer_ = paint_to_layer; | 475 paint_to_layer_ = paint_to_layer; |
| 475 if (paint_to_layer_ && !layer()) { | 476 if (paint_to_layer_ && !layer()) { |
| 476 CreateLayer(); | 477 CreateLayer(); |
| 477 } else if (!paint_to_layer_ && layer()) { | 478 } else if (!paint_to_layer_ && layer()) { |
| 478 DestroyLayer(); | 479 DestroyLayer(); |
| 479 } | 480 } |
| 480 } | 481 } |
| 481 | 482 |
| 482 scoped_ptr<ui::Layer> View::RecreateLayer() { | 483 std::unique_ptr<ui::Layer> View::RecreateLayer() { |
| 483 scoped_ptr<ui::Layer> old_layer = LayerOwner::RecreateLayer(); | 484 std::unique_ptr<ui::Layer> old_layer = LayerOwner::RecreateLayer(); |
| 484 Widget* widget = GetWidget(); | 485 Widget* widget = GetWidget(); |
| 485 if (widget) | 486 if (widget) |
| 486 widget->UpdateRootLayers(); | 487 widget->UpdateRootLayers(); |
| 487 return old_layer; | 488 return old_layer; |
| 488 } | 489 } |
| 489 | 490 |
| 490 // RTL positioning ------------------------------------------------------------- | 491 // RTL positioning ------------------------------------------------------------- |
| 491 | 492 |
| 492 gfx::Rect View::GetMirroredBounds() const { | 493 gfx::Rect View::GetMirroredBounds() const { |
| 493 gfx::Rect bounds(bounds_); | 494 gfx::Rect bounds(bounds_); |
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| 851 } | 852 } |
| 852 | 853 |
| 853 // View::Paint() recursion over the subtree. | 854 // View::Paint() recursion over the subtree. |
| 854 PaintChildren(context); | 855 PaintChildren(context); |
| 855 } | 856 } |
| 856 | 857 |
| 857 void View::set_background(Background* b) { | 858 void View::set_background(Background* b) { |
| 858 background_.reset(b); | 859 background_.reset(b); |
| 859 } | 860 } |
| 860 | 861 |
| 861 void View::SetBorder(scoped_ptr<Border> b) { | 862 void View::SetBorder(std::unique_ptr<Border> b) { |
| 862 border_ = std::move(b); | 863 border_ = std::move(b); |
| 863 } | 864 } |
| 864 | 865 |
| 865 const ui::ThemeProvider* View::GetThemeProvider() const { | 866 const ui::ThemeProvider* View::GetThemeProvider() const { |
| 866 const Widget* widget = GetWidget(); | 867 const Widget* widget = GetWidget(); |
| 867 return widget ? widget->GetThemeProvider() : nullptr; | 868 return widget ? widget->GetThemeProvider() : nullptr; |
| 868 } | 869 } |
| 869 | 870 |
| 870 const ui::NativeTheme* View::GetNativeTheme() const { | 871 const ui::NativeTheme* View::GetNativeTheme() const { |
| 871 const Widget* widget = GetWidget(); | 872 const Widget* widget = GetWidget(); |
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| 1059 | 1060 |
| 1060 void View::OnGestureEvent(ui::GestureEvent* event) { | 1061 void View::OnGestureEvent(ui::GestureEvent* event) { |
| 1061 } | 1062 } |
| 1062 | 1063 |
| 1063 const ui::InputMethod* View::GetInputMethod() const { | 1064 const ui::InputMethod* View::GetInputMethod() const { |
| 1064 Widget* widget = const_cast<Widget*>(GetWidget()); | 1065 Widget* widget = const_cast<Widget*>(GetWidget()); |
| 1065 return widget ? const_cast<const ui::InputMethod*>(widget->GetInputMethod()) | 1066 return widget ? const_cast<const ui::InputMethod*>(widget->GetInputMethod()) |
| 1066 : nullptr; | 1067 : nullptr; |
| 1067 } | 1068 } |
| 1068 | 1069 |
| 1069 scoped_ptr<ViewTargeter> | 1070 std::unique_ptr<ViewTargeter> View::SetEventTargeter( |
| 1070 View::SetEventTargeter(scoped_ptr<ViewTargeter> targeter) { | 1071 std::unique_ptr<ViewTargeter> targeter) { |
| 1071 scoped_ptr<ViewTargeter> old_targeter = std::move(targeter_); | 1072 std::unique_ptr<ViewTargeter> old_targeter = std::move(targeter_); |
| 1072 targeter_ = std::move(targeter); | 1073 targeter_ = std::move(targeter); |
| 1073 return old_targeter; | 1074 return old_targeter; |
| 1074 } | 1075 } |
| 1075 | 1076 |
| 1076 ViewTargeter* View::GetEffectiveViewTargeter() const { | 1077 ViewTargeter* View::GetEffectiveViewTargeter() const { |
| 1077 DCHECK(GetWidget()); | 1078 DCHECK(GetWidget()); |
| 1078 ViewTargeter* view_targeter = targeter(); | 1079 ViewTargeter* view_targeter = targeter(); |
| 1079 if (!view_targeter) | 1080 if (!view_targeter) |
| 1080 view_targeter = GetWidget()->GetRootView()->targeter(); | 1081 view_targeter = GetWidget()->GetRootView()->targeter(); |
| 1081 CHECK(view_targeter); | 1082 CHECK(view_targeter); |
| 1082 return view_targeter; | 1083 return view_targeter; |
| 1083 } | 1084 } |
| 1084 | 1085 |
| 1085 bool View::CanAcceptEvent(const ui::Event& event) { | 1086 bool View::CanAcceptEvent(const ui::Event& event) { |
| 1086 return IsDrawn(); | 1087 return IsDrawn(); |
| 1087 } | 1088 } |
| 1088 | 1089 |
| 1089 ui::EventTarget* View::GetParentTarget() { | 1090 ui::EventTarget* View::GetParentTarget() { |
| 1090 return parent_; | 1091 return parent_; |
| 1091 } | 1092 } |
| 1092 | 1093 |
| 1093 scoped_ptr<ui::EventTargetIterator> View::GetChildIterator() const { | 1094 std::unique_ptr<ui::EventTargetIterator> View::GetChildIterator() const { |
| 1094 return make_scoped_ptr(new ui::EventTargetIteratorImpl<View>(children_)); | 1095 return base::WrapUnique(new ui::EventTargetIteratorImpl<View>(children_)); |
| 1095 } | 1096 } |
| 1096 | 1097 |
| 1097 ui::EventTargeter* View::GetEventTargeter() { | 1098 ui::EventTargeter* View::GetEventTargeter() { |
| 1098 return targeter_.get(); | 1099 return targeter_.get(); |
| 1099 } | 1100 } |
| 1100 | 1101 |
| 1101 void View::ConvertEventToTarget(ui::EventTarget* target, | 1102 void View::ConvertEventToTarget(ui::EventTarget* target, |
| 1102 ui::LocatedEvent* event) { | 1103 ui::LocatedEvent* event) { |
| 1103 event->ConvertLocationToTarget(this, static_cast<View*>(target)); | 1104 event->ConvertLocationToTarget(this, static_cast<View*>(target)); |
| 1104 } | 1105 } |
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| 1801 bool update_focus_cycle, | 1802 bool update_focus_cycle, |
| 1802 bool update_tool_tip, | 1803 bool update_tool_tip, |
| 1803 bool delete_removed_view, | 1804 bool delete_removed_view, |
| 1804 View* new_parent) { | 1805 View* new_parent) { |
| 1805 DCHECK(view); | 1806 DCHECK(view); |
| 1806 | 1807 |
| 1807 const Views::iterator i(std::find(children_.begin(), children_.end(), view)); | 1808 const Views::iterator i(std::find(children_.begin(), children_.end(), view)); |
| 1808 if (i == children_.end()) | 1809 if (i == children_.end()) |
| 1809 return; | 1810 return; |
| 1810 | 1811 |
| 1811 scoped_ptr<View> view_to_be_deleted; | 1812 std::unique_ptr<View> view_to_be_deleted; |
| 1812 if (update_focus_cycle) { | 1813 if (update_focus_cycle) { |
| 1813 View* next_focusable = view->next_focusable_view_; | 1814 View* next_focusable = view->next_focusable_view_; |
| 1814 View* prev_focusable = view->previous_focusable_view_; | 1815 View* prev_focusable = view->previous_focusable_view_; |
| 1815 if (prev_focusable) | 1816 if (prev_focusable) |
| 1816 prev_focusable->next_focusable_view_ = next_focusable; | 1817 prev_focusable->next_focusable_view_ = next_focusable; |
| 1817 if (next_focusable) | 1818 if (next_focusable) |
| 1818 next_focusable->previous_focusable_view_ = prev_focusable; | 1819 next_focusable->previous_focusable_view_ = prev_focusable; |
| 1819 } | 1820 } |
| 1820 | 1821 |
| 1821 Widget* widget = GetWidget(); | 1822 Widget* widget = GetWidget(); |
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| 2425 // Message the RootView to do the drag and drop. That way if we're removed | 2426 // Message the RootView to do the drag and drop. That way if we're removed |
| 2426 // the RootView can detect it and avoid calling us back. | 2427 // the RootView can detect it and avoid calling us back. |
| 2427 gfx::Point widget_location(event.location()); | 2428 gfx::Point widget_location(event.location()); |
| 2428 ConvertPointToWidget(this, &widget_location); | 2429 ConvertPointToWidget(this, &widget_location); |
| 2429 widget->RunShellDrag(this, data, widget_location, drag_operations, source); | 2430 widget->RunShellDrag(this, data, widget_location, drag_operations, source); |
| 2430 // WARNING: we may have been deleted. | 2431 // WARNING: we may have been deleted. |
| 2431 return true; | 2432 return true; |
| 2432 } | 2433 } |
| 2433 | 2434 |
| 2434 } // namespace views | 2435 } // namespace views |
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