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Unified Diff: views/controls/single_split_view.cc

Issue 8687031: views: Move the remaining files to ui/views/controls/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 1 month ago
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Index: views/controls/single_split_view.cc
diff --git a/views/controls/single_split_view.cc b/views/controls/single_split_view.cc
deleted file mode 100644
index 79df3fdbb37babd3d934397088d0cdff3f12d030..0000000000000000000000000000000000000000
--- a/views/controls/single_split_view.cc
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "views/controls/single_split_view.h"
-
-#if defined(TOOLKIT_USES_GTK)
-#include <gdk/gdk.h>
-#endif
-
-#include "skia/ext/skia_utils_win.h"
-#include "ui/base/accessibility/accessible_view_state.h"
-#include "ui/gfx/canvas.h"
-#include "views/background.h"
-#include "views/controls/single_split_view_listener.h"
-
-#if defined(TOOLKIT_USES_GTK)
-#include "ui/gfx/gtk_util.h"
-#endif
-
-#if defined(USE_AURA)
-#include "ui/aura/cursor.h"
-#endif
-
-namespace views {
-
-// static
-const char SingleSplitView::kViewClassName[] =
- "views/controls/SingleSplitView";
-
-// Size of the divider in pixels.
-static const int kDividerSize = 4;
-
-SingleSplitView::SingleSplitView(View* leading,
- View* trailing,
- Orientation orientation,
- SingleSplitViewListener* listener)
- : is_horizontal_(orientation == HORIZONTAL_SPLIT),
- divider_offset_(-1),
- resize_leading_on_bounds_change_(true),
- listener_(listener) {
- AddChildView(leading);
- AddChildView(trailing);
-#if defined(OS_WIN)
- set_background(
- views::Background::CreateSolidBackground(
- skia::COLORREFToSkColor(GetSysColor(COLOR_3DFACE))));
-#endif
-}
-
-void SingleSplitView::Layout() {
- gfx::Rect leading_bounds;
- gfx::Rect trailing_bounds;
- CalculateChildrenBounds(bounds(), &leading_bounds, &trailing_bounds);
-
- if (has_children()) {
- if (child_at(0)->IsVisible())
- child_at(0)->SetBoundsRect(leading_bounds);
- if (child_count() > 1) {
- if (child_at(1)->IsVisible())
- child_at(1)->SetBoundsRect(trailing_bounds);
- }
- }
-
- SchedulePaint();
-
- // Invoke super's implementation so that the children are layed out.
- View::Layout();
-}
-
-std::string SingleSplitView::GetClassName() const {
- return kViewClassName;
-}
-
-void SingleSplitView::GetAccessibleState(ui::AccessibleViewState* state) {
- state->role = ui::AccessibilityTypes::ROLE_GROUPING;
- state->name = accessible_name_;
-}
-
-gfx::Size SingleSplitView::GetPreferredSize() {
- int width = 0;
- int height = 0;
- for (int i = 0; i < 2 && i < child_count(); ++i) {
- View* view = child_at(i);
- gfx::Size pref = view->GetPreferredSize();
- if (is_horizontal_) {
- width += pref.width();
- height = std::max(height, pref.height());
- } else {
- width = std::max(width, pref.width());
- height += pref.height();
- }
- }
- if (is_horizontal_)
- width += kDividerSize;
- else
- height += kDividerSize;
- return gfx::Size(width, height);
-}
-
-gfx::NativeCursor SingleSplitView::GetCursor(const MouseEvent& event) {
- if (!IsPointInDivider(event.location()))
- return gfx::kNullCursor;
-#if defined(USE_AURA)
- return is_horizontal_ ?
- aura::kCursorEastWestResize : aura::kCursorNorthSouthResize;
-#elif defined(OS_WIN)
- static HCURSOR we_resize_cursor = LoadCursor(NULL, IDC_SIZEWE);
- static HCURSOR ns_resize_cursor = LoadCursor(NULL, IDC_SIZENS);
- return is_horizontal_ ? we_resize_cursor : ns_resize_cursor;
-#elif defined(TOOLKIT_USES_GTK)
- return gfx::GetCursor(is_horizontal_ ? GDK_SB_H_DOUBLE_ARROW :
- GDK_SB_V_DOUBLE_ARROW);
-#endif
-}
-
-void SingleSplitView::CalculateChildrenBounds(
- const gfx::Rect& bounds,
- gfx::Rect* leading_bounds,
- gfx::Rect* trailing_bounds) const {
- bool is_leading_visible = has_children() && child_at(0)->IsVisible();
- bool is_trailing_visible = child_count() > 1 && child_at(1)->IsVisible();
-
- if (!is_leading_visible && !is_trailing_visible) {
- *leading_bounds = gfx::Rect();
- *trailing_bounds = gfx::Rect();
- return;
- }
-
- int divider_at;
-
- if (!is_trailing_visible) {
- divider_at = GetPrimaryAxisSize(bounds.width(), bounds.height());
- } else if (!is_leading_visible) {
- divider_at = 0;
- } else {
- divider_at =
- CalculateDividerOffset(divider_offset_, this->bounds(), bounds);
- divider_at = NormalizeDividerOffset(divider_at, bounds);
- }
-
- int divider_size =
- !is_leading_visible || !is_trailing_visible ? 0 : kDividerSize;
-
- if (is_horizontal_) {
- *leading_bounds = gfx::Rect(0, 0, divider_at, bounds.height());
- *trailing_bounds =
- gfx::Rect(divider_at + divider_size, 0,
- std::max(0, bounds.width() - divider_at - divider_size),
- bounds.height());
- } else {
- *leading_bounds = gfx::Rect(0, 0, bounds.width(), divider_at);
- *trailing_bounds =
- gfx::Rect(0, divider_at + divider_size, bounds.width(),
- std::max(0, bounds.height() - divider_at - divider_size));
- }
-}
-
-void SingleSplitView::SetAccessibleName(const string16& name) {
- accessible_name_ = name;
-}
-
-bool SingleSplitView::OnMousePressed(const MouseEvent& event) {
- if (!IsPointInDivider(event.location()))
- return false;
- drag_info_.initial_mouse_offset = GetPrimaryAxisSize(event.x(), event.y());
- drag_info_.initial_divider_offset =
- NormalizeDividerOffset(divider_offset_, bounds());
- return true;
-}
-
-bool SingleSplitView::OnMouseDragged(const MouseEvent& event) {
- if (child_count() < 2)
- return false;
-
- int delta_offset = GetPrimaryAxisSize(event.x(), event.y()) -
- drag_info_.initial_mouse_offset;
- if (is_horizontal_ && base::i18n::IsRTL())
- delta_offset *= -1;
- // Honor the minimum size when resizing.
- gfx::Size min = child_at(0)->GetMinimumSize();
- int new_size = std::max(GetPrimaryAxisSize(min.width(), min.height()),
- drag_info_.initial_divider_offset + delta_offset);
-
- // And don't let the view get bigger than our width.
- new_size = std::min(GetPrimaryAxisSize() - kDividerSize, new_size);
-
- if (new_size != divider_offset_) {
- set_divider_offset(new_size);
- if (!listener_ || listener_->SplitHandleMoved(this))
- Layout();
- }
- return true;
-}
-
-void SingleSplitView::OnMouseCaptureLost() {
- if (child_count() < 2)
- return;
-
- if (drag_info_.initial_divider_offset != divider_offset_) {
- set_divider_offset(drag_info_.initial_divider_offset);
- if (!listener_ || listener_->SplitHandleMoved(this))
- Layout();
- }
-}
-
-void SingleSplitView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
- divider_offset_ = CalculateDividerOffset(divider_offset_, previous_bounds,
- bounds());
-}
-
-bool SingleSplitView::IsPointInDivider(const gfx::Point& p) {
- if (child_count() < 2)
- return false;
-
- if (!child_at(0)->IsVisible() || !child_at(1)->IsVisible())
- return false;
-
- int divider_relative_offset;
- if (is_horizontal_) {
- divider_relative_offset =
- p.x() - child_at(base::i18n::IsRTL() ? 1 : 0)->width();
- } else {
- divider_relative_offset = p.y() - child_at(0)->height();
- }
- return (divider_relative_offset >= 0 &&
- divider_relative_offset < kDividerSize);
-}
-
-int SingleSplitView::CalculateDividerOffset(
- int divider_offset,
- const gfx::Rect& previous_bounds,
- const gfx::Rect& new_bounds) const {
- if (resize_leading_on_bounds_change_ && divider_offset != -1) {
- // We do not update divider_offset on minimize (to zero) and on restore
- // (to largest value). As a result we get back to the original value upon
- // window restore.
- bool is_minimize_or_restore =
- previous_bounds.height() == 0 || new_bounds.height() == 0;
- if (!is_minimize_or_restore) {
- if (is_horizontal_)
- divider_offset += new_bounds.width() - previous_bounds.width();
- else
- divider_offset += new_bounds.height() - previous_bounds.height();
-
- if (divider_offset < 0)
- divider_offset = kDividerSize;
- }
- }
- return divider_offset;
-}
-
-int SingleSplitView::NormalizeDividerOffset(int divider_offset,
- const gfx::Rect& bounds) const {
- int primary_axis_size = GetPrimaryAxisSize(bounds.width(), bounds.height());
- if (divider_offset < 0)
- // primary_axis_size may < kDividerSize during initial layout.
- return std::max(0, (primary_axis_size - kDividerSize) / 2);
- return std::min(divider_offset,
- std::max(primary_axis_size - kDividerSize, 0));
-}
-
-} // namespace views
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