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Diffstat (limited to 'chromium/ash/wm/window_resizer.cc')
| -rw-r--r-- | chromium/ash/wm/window_resizer.cc | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/chromium/ash/wm/window_resizer.cc b/chromium/ash/wm/window_resizer.cc deleted file mode 100644 index 372ce4889e0..00000000000 --- a/chromium/ash/wm/window_resizer.cc +++ /dev/null @@ -1,432 +0,0 @@ -// Copyright (c) 2012 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 "ash/wm/window_resizer.h" - -#include "ash/screen_ash.h" -#include "ash/shell.h" -#include "ash/shell_window_ids.h" -#include "ash/wm/coordinate_conversion.h" -#include "ash/wm/dock/docked_window_layout_manager.h" -#include "ash/wm/window_state.h" -#include "ash/wm/window_util.h" -#include "ui/aura/client/aura_constants.h" -#include "ui/aura/root_window.h" -#include "ui/aura/window.h" -#include "ui/aura/window_delegate.h" -#include "ui/base/hit_test.h" -#include "ui/base/ui_base_types.h" -#include "ui/compositor/scoped_layer_animation_settings.h" -#include "ui/gfx/display.h" -#include "ui/gfx/screen.h" - -namespace ash { - -namespace { - -int GetPositionChangeDirectionForWindowComponent(int window_component) { - int pos_change_direction = WindowResizer::kBoundsChangeDirection_None; - switch (window_component) { - case HTTOPLEFT: - case HTBOTTOMRIGHT: - case HTGROWBOX: - case HTCAPTION: - pos_change_direction |= - WindowResizer::kBoundsChangeDirection_Horizontal | - WindowResizer::kBoundsChangeDirection_Vertical; - break; - case HTTOP: - case HTTOPRIGHT: - case HTBOTTOM: - pos_change_direction |= WindowResizer::kBoundsChangeDirection_Vertical; - break; - case HTBOTTOMLEFT: - case HTRIGHT: - case HTLEFT: - pos_change_direction |= WindowResizer::kBoundsChangeDirection_Horizontal; - break; - default: - break; - } - return pos_change_direction; -} - -int GetSizeChangeDirectionForWindowComponent(int window_component) { - int size_change_direction = WindowResizer::kBoundsChangeDirection_None; - switch (window_component) { - case HTTOPLEFT: - case HTTOPRIGHT: - case HTBOTTOMLEFT: - case HTBOTTOMRIGHT: - case HTGROWBOX: - case HTCAPTION: - size_change_direction |= - WindowResizer::kBoundsChangeDirection_Horizontal | - WindowResizer::kBoundsChangeDirection_Vertical; - break; - case HTTOP: - case HTBOTTOM: - size_change_direction |= WindowResizer::kBoundsChangeDirection_Vertical; - break; - case HTRIGHT: - case HTLEFT: - size_change_direction |= WindowResizer::kBoundsChangeDirection_Horizontal; - break; - default: - break; - } - return size_change_direction; -} - -// Returns true for resize components along the right edge, where a drag in -// positive x will make the window larger. -bool IsRightEdge(int window_component) { - return window_component == HTTOPRIGHT || - window_component == HTRIGHT || - window_component == HTBOTTOMRIGHT || - window_component == HTGROWBOX; -} - -} // namespace - -// static -const int WindowResizer::kBoundsChange_None = 0; -// static -const int WindowResizer::kBoundsChange_Repositions = 1; -// static -const int WindowResizer::kBoundsChange_Resizes = 2; - -// static -const int WindowResizer::kBoundsChangeDirection_None = 0; -// static -const int WindowResizer::kBoundsChangeDirection_Horizontal = 1; -// static -const int WindowResizer::kBoundsChangeDirection_Vertical = 2; - -WindowResizer::Details::Details() - : window(NULL), - window_state(NULL), - window_component(HTNOWHERE), - bounds_change(0), - position_change_direction(0), - size_change_direction(0), - is_resizable(false), - source(aura::client::WINDOW_MOVE_SOURCE_MOUSE) { -} - -WindowResizer::Details::Details(aura::Window* window, - const gfx::Point& location, - int window_component, - aura::client::WindowMoveSource source) - : window(window), - window_state(wm::GetWindowState(window)), - initial_bounds_in_parent(window->bounds()), - restore_bounds(gfx::Rect()), - initial_location_in_parent(location), - initial_opacity(window->layer()->opacity()), - window_component(window_component), - bounds_change(GetBoundsChangeForWindowComponent(window_component)), - position_change_direction( - GetPositionChangeDirectionForWindowComponent(window_component)), - size_change_direction( - GetSizeChangeDirectionForWindowComponent(window_component)), - is_resizable(bounds_change != kBoundsChangeDirection_None), - source(source) { - if (window_state->IsNormalShowState() && - window_state->HasRestoreBounds() && - window_component == HTCAPTION) - restore_bounds = window_state->GetRestoreBoundsInScreen(); -} - -WindowResizer::Details::~Details() { -} - -WindowResizer::WindowResizer() { -} - -WindowResizer::~WindowResizer() { -} - -// static -int WindowResizer::GetBoundsChangeForWindowComponent(int component) { - int bounds_change = WindowResizer::kBoundsChange_None; - switch (component) { - case HTTOPLEFT: - case HTTOP: - case HTTOPRIGHT: - case HTLEFT: - case HTBOTTOMLEFT: - bounds_change |= WindowResizer::kBoundsChange_Repositions | - WindowResizer::kBoundsChange_Resizes; - break; - case HTCAPTION: - bounds_change |= WindowResizer::kBoundsChange_Repositions; - break; - case HTRIGHT: - case HTBOTTOMRIGHT: - case HTBOTTOM: - case HTGROWBOX: - bounds_change |= WindowResizer::kBoundsChange_Resizes; - break; - default: - break; - } - return bounds_change; -} - -// static -gfx::Rect WindowResizer::CalculateBoundsForDrag( - const Details& details, - const gfx::Point& passed_location) { - if (!details.is_resizable) - return details.initial_bounds_in_parent; - - gfx::Point location = passed_location; - int delta_x = location.x() - details.initial_location_in_parent.x(); - int delta_y = location.y() - details.initial_location_in_parent.y(); - - AdjustDeltaForTouchResize(details, &delta_x, &delta_y); - - // The minimize size constraint may limit how much we change the window - // position. For example, dragging the left edge to the right should stop - // repositioning the window when the minimize size is reached. - gfx::Size size = GetSizeForDrag(details, &delta_x, &delta_y); - gfx::Point origin = GetOriginForDrag(details, delta_x, delta_y); - gfx::Rect new_bounds(origin, size); - - // Sizing has to keep the result on the screen. Note that this correction - // has to come first since it might have an impact on the origin as well as - // on the size. - if (details.bounds_change & kBoundsChange_Resizes) { - gfx::Rect work_area = - Shell::GetScreen()->GetDisplayNearestWindow(details.window).work_area(); - aura::Window* dock_container = Shell::GetContainer( - details.window->GetRootWindow(), - internal::kShellWindowId_DockedContainer); - internal::DockedWindowLayoutManager* dock_layout = - static_cast<internal::DockedWindowLayoutManager*>( - dock_container->layout_manager()); - - work_area.Union(dock_layout->docked_bounds()); - work_area = ScreenAsh::ConvertRectFromScreen(details.window->parent(), - work_area); - if (details.size_change_direction & kBoundsChangeDirection_Horizontal) { - if (IsRightEdge(details.window_component) && - new_bounds.right() < work_area.x() + kMinimumOnScreenArea) { - int delta = work_area.x() + kMinimumOnScreenArea - new_bounds.right(); - new_bounds.set_width(new_bounds.width() + delta); - } else if (new_bounds.x() > work_area.right() - kMinimumOnScreenArea) { - int width = new_bounds.right() - work_area.right() + - kMinimumOnScreenArea; - new_bounds.set_x(work_area.right() - kMinimumOnScreenArea); - new_bounds.set_width(width); - } - } - if (details.size_change_direction & kBoundsChangeDirection_Vertical) { - if (!IsBottomEdge(details.window_component) && - new_bounds.y() > work_area.bottom() - kMinimumOnScreenArea) { - int height = new_bounds.bottom() - work_area.bottom() + - kMinimumOnScreenArea; - new_bounds.set_y(work_area.bottom() - kMinimumOnScreenArea); - new_bounds.set_height(height); - } else if (details.window_component == HTBOTTOM || - details.window_component == HTBOTTOMRIGHT || - details.window_component == HTBOTTOMLEFT) { - // Update bottom edge to stay in the work area when we are resizing - // by dragging the bottom edge or corners. - if (new_bounds.bottom() > work_area.bottom()) - new_bounds.Inset(0, 0, 0, - new_bounds.bottom() - work_area.bottom()); - } - } - if (details.bounds_change & kBoundsChange_Repositions && - new_bounds.y() < 0) { - int delta = new_bounds.y(); - new_bounds.set_y(0); - new_bounds.set_height(new_bounds.height() + delta); - } - } - - if (details.bounds_change & kBoundsChange_Repositions) { - // When we might want to reposition a window which is also restored to its - // previous size, to keep the cursor within the dragged window. - if (!details.restore_bounds.IsEmpty()) { - // However - it is not desirable to change the origin if the window would - // be still hit by the cursor. - if (details.initial_location_in_parent.x() > - details.initial_bounds_in_parent.x() + details.restore_bounds.width()) - new_bounds.set_x(location.x() - details.restore_bounds.width() / 2); - } - - // Make sure that |new_bounds| doesn't leave any of the displays. Note that - // the |work_area| above isn't good for this check since it is the work area - // for the current display but the window can move to a different one. - aura::Window* parent = details.window->parent(); - gfx::Point passed_location_in_screen(passed_location); - wm::ConvertPointToScreen(parent, &passed_location_in_screen); - gfx::Rect near_passed_location(passed_location_in_screen, gfx::Size()); - // Use a pointer location (matching the logic in DragWindowResizer) to - // calculate the target display after the drag. - const gfx::Display& display = - Shell::GetScreen()->GetDisplayMatching(near_passed_location); - aura::Window* dock_container = Shell::GetContainer( - wm::GetRootWindowMatching(near_passed_location), - internal::kShellWindowId_DockedContainer); - internal::DockedWindowLayoutManager* dock_layout = - static_cast<internal::DockedWindowLayoutManager*>( - dock_container->layout_manager()); - - gfx::Rect screen_work_area = display.work_area(); - screen_work_area.Union(dock_layout->docked_bounds()); - screen_work_area.Inset(kMinimumOnScreenArea, 0); - gfx::Rect new_bounds_in_screen = - ScreenAsh::ConvertRectToScreen(parent, new_bounds); - if (!screen_work_area.Intersects(new_bounds_in_screen)) { - // Make sure that the x origin does not leave the current display. - new_bounds_in_screen.set_x( - std::max(screen_work_area.x() - new_bounds.width(), - std::min(screen_work_area.right(), - new_bounds_in_screen.x()))); - new_bounds = - ScreenAsh::ConvertRectFromScreen(parent, new_bounds_in_screen); - } - } - - return new_bounds; -} - -// static -bool WindowResizer::IsBottomEdge(int window_component) { - return window_component == HTBOTTOMLEFT || - window_component == HTBOTTOM || - window_component == HTBOTTOMRIGHT || - window_component == HTGROWBOX; -} - -// static -void WindowResizer::AdjustDeltaForTouchResize(const Details& details, - int* delta_x, - int* delta_y) { - if (details.source != aura::client::WINDOW_MOVE_SOURCE_TOUCH || - !(details.bounds_change & kBoundsChange_Resizes)) - return; - - if (details.size_change_direction & kBoundsChangeDirection_Horizontal) { - if (IsRightEdge(details.window_component)) { - *delta_x += details.initial_location_in_parent.x() - - details.initial_bounds_in_parent.right(); - } else { - *delta_x += details.initial_location_in_parent.x() - - details.initial_bounds_in_parent.x(); - } - } - if (details.size_change_direction & kBoundsChangeDirection_Vertical) { - if (IsBottomEdge(details.window_component)) { - *delta_y += details.initial_location_in_parent.y() - - details.initial_bounds_in_parent.bottom(); - } else { - *delta_y += details.initial_location_in_parent.y() - - details.initial_bounds_in_parent.y(); - } - } -} - -// static -gfx::Point WindowResizer::GetOriginForDrag(const Details& details, - int delta_x, - int delta_y) { - gfx::Point origin = details.initial_bounds_in_parent.origin(); - if (details.bounds_change & kBoundsChange_Repositions) { - int pos_change_direction = - GetPositionChangeDirectionForWindowComponent(details.window_component); - if (pos_change_direction & kBoundsChangeDirection_Horizontal) - origin.Offset(delta_x, 0); - if (pos_change_direction & kBoundsChangeDirection_Vertical) - origin.Offset(0, delta_y); - } - return origin; -} - -// static -gfx::Size WindowResizer::GetSizeForDrag(const Details& details, - int* delta_x, - int* delta_y) { - gfx::Size size = details.initial_bounds_in_parent.size(); - if (details.bounds_change & kBoundsChange_Resizes) { - gfx::Size min_size = details.window->delegate()->GetMinimumSize(); - size.SetSize(GetWidthForDrag(details, min_size.width(), delta_x), - GetHeightForDrag(details, min_size.height(), delta_y)); - } else if (!details.restore_bounds.IsEmpty()) { - size = details.restore_bounds.size(); - } - return size; -} - -// static -int WindowResizer::GetWidthForDrag(const Details& details, - int min_width, - int* delta_x) { - int width = details.initial_bounds_in_parent.width(); - if (details.size_change_direction & kBoundsChangeDirection_Horizontal) { - // Along the right edge, positive delta_x increases the window size. - int x_multiplier = IsRightEdge(details.window_component) ? 1 : -1; - width += x_multiplier * (*delta_x); - - // Ensure we don't shrink past the minimum width and clamp delta_x - // for the window origin computation. - if (width < min_width) { - width = min_width; - *delta_x = -x_multiplier * (details.initial_bounds_in_parent.width() - - min_width); - } - - // And don't let the window go bigger than the display. - int max_width = Shell::GetScreen()->GetDisplayNearestWindow( - details.window).bounds().width(); - gfx::Size max_size = details.window->delegate()->GetMaximumSize(); - if (max_size.width() != 0) - max_width = std::min(max_width, max_size.width()); - if (width > max_width) { - width = max_width; - *delta_x = -x_multiplier * (details.initial_bounds_in_parent.width() - - max_width); - } - } - return width; -} - -// static -int WindowResizer::GetHeightForDrag(const Details& details, - int min_height, - int* delta_y) { - int height = details.initial_bounds_in_parent.height(); - if (details.size_change_direction & kBoundsChangeDirection_Vertical) { - // Along the bottom edge, positive delta_y increases the window size. - int y_multiplier = IsBottomEdge(details.window_component) ? 1 : -1; - height += y_multiplier * (*delta_y); - - // Ensure we don't shrink past the minimum height and clamp delta_y - // for the window origin computation. - if (height < min_height) { - height = min_height; - *delta_y = -y_multiplier * (details.initial_bounds_in_parent.height() - - min_height); - } - - // And don't let the window go bigger than the display. - int max_height = Shell::GetScreen()->GetDisplayNearestWindow( - details.window).bounds().height(); - gfx::Size max_size = details.window->delegate()->GetMaximumSize(); - if (max_size.height() != 0) - max_height = std::min(max_height, max_size.height()); - if (height > max_height) { - height = max_height; - *delta_y = -y_multiplier * (details.initial_bounds_in_parent.height() - - max_height); - } - } - return height; -} - -} // namespace aura |