| // Copyright (c) 2009 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. |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include "chrome/browser/browser.h" |
| #include "chrome/browser/browser_list.h" |
| #include "chrome/browser/browser_window.h" |
| #include "chrome/browser/window_sizer.h" |
| |
| // How much horizontal and vertical offset there is between newly |
| // opened windows. |
| const int WindowSizer::kWindowTilePixels = 22; |
| |
| namespace { |
| |
| class DefaultMonitorInfoProvider : public WindowSizer::MonitorInfoProvider { |
| public: |
| DefaultMonitorInfoProvider() { } |
| |
| // Overridden from WindowSizer::MonitorInfoProvider: |
| virtual gfx::Rect GetPrimaryMonitorWorkArea() const { |
| // Primary monitor is defined as the monitor with the menubar, |
| // which is always at index 0. |
| NSScreen* primary = [[NSScreen screens] objectAtIndex:0]; |
| NSRect frame = [primary frame]; |
| NSRect visible_frame = [primary visibleFrame]; |
| |
| // Convert coordinate systems. |
| gfx::Rect rect = gfx::Rect(NSRectToCGRect(visible_frame)); |
| rect.set_y(frame.size.height - |
| visible_frame.origin.y - visible_frame.size.height); |
| return rect; |
| } |
| |
| virtual gfx::Rect GetPrimaryMonitorBounds() const { |
| // Primary monitor is defined as the monitor with the menubar, |
| // which is always at index 0. |
| NSScreen* primary = [[NSScreen screens] objectAtIndex:0]; |
| return gfx::Rect(NSRectToCGRect([primary frame])); |
| } |
| |
| virtual gfx::Rect GetMonitorWorkAreaMatching( |
| const gfx::Rect& match_rect) const { |
| NSScreen* match_screen = GetMatchingScreen(match_rect); |
| return ConvertCoordinateSystem([match_screen visibleFrame]); |
| } |
| |
| virtual gfx::Point GetBoundsOffsetMatching( |
| const gfx::Rect& match_rect) const { |
| NSScreen* match_screen = GetMatchingScreen(match_rect); |
| gfx::Rect bounds = ConvertCoordinateSystem([match_screen frame]); |
| gfx::Rect work_area = ConvertCoordinateSystem([match_screen visibleFrame]); |
| return gfx::Point(work_area.x() - bounds.x(), work_area.y() - bounds.y()); |
| } |
| |
| virtual void UpdateWorkAreas(); |
| |
| private: |
| // Returns a pointer to the screen that most closely matches the |
| // given |match_rect|. This function currently returns the screen |
| // that contains the largest amount of |match_rect| by area. |
| NSScreen* GetMatchingScreen(const gfx::Rect& match_rect) const { |
| // Default to the monitor with the current keyboard focus, in case |
| // |match_rect| is not on any screen at all. |
| NSScreen* max_screen = [NSScreen mainScreen]; |
| int max_area = 0; |
| |
| for (NSScreen* screen in [NSScreen screens]) { |
| gfx::Rect monitor_area = ConvertCoordinateSystem([screen frame]); |
| gfx::Rect intersection = monitor_area.Intersect(match_rect); |
| int area = intersection.width() * intersection.height(); |
| if (area > max_area) { |
| max_area = area; |
| max_screen = screen; |
| } |
| } |
| |
| return max_screen; |
| } |
| |
| // The lower left corner of screen 0 is always at (0, 0). The |
| // cross-platform code expects the origin to be in the upper left, |
| // so we have to translate |ns_rect| to the new coordinate |
| // system. |
| gfx::Rect ConvertCoordinateSystem(NSRect ns_rect) const; |
| |
| DISALLOW_COPY_AND_ASSIGN(DefaultMonitorInfoProvider); |
| }; |
| |
| void DefaultMonitorInfoProvider::UpdateWorkAreas() { |
| work_areas_.clear(); |
| |
| for (NSScreen* screen in [NSScreen screens]) { |
| gfx::Rect rect = ConvertCoordinateSystem([screen visibleFrame]); |
| work_areas_.push_back(rect); |
| } |
| } |
| |
| gfx::Rect DefaultMonitorInfoProvider::ConvertCoordinateSystem( |
| NSRect ns_rect) const { |
| // Primary monitor is defined as the monitor with the menubar, |
| // which is always at index 0. |
| NSScreen* primary_screen = [[NSScreen screens] objectAtIndex:0]; |
| float primary_screen_height = [primary_screen frame].size.height; |
| gfx::Rect rect(NSRectToCGRect(ns_rect)); |
| rect.set_y(primary_screen_height - rect.y() - rect.height()); |
| return rect; |
| } |
| |
| } // namespace |
| |
| // static |
| WindowSizer::MonitorInfoProvider* |
| WindowSizer::CreateDefaultMonitorInfoProvider() { |
| return new DefaultMonitorInfoProvider(); |
| } |
| |
| // static |
| gfx::Point WindowSizer::GetDefaultPopupOrigin(const gfx::Size& size) { |
| NSRect work_area = [[NSScreen mainScreen] visibleFrame]; |
| NSRect main_area = [[[NSScreen screens] objectAtIndex:0] frame]; |
| NSPoint corner = NSMakePoint(NSMinX(work_area), NSMaxY(work_area)); |
| |
| if (Browser* b = BrowserList::GetLastActive()) { |
| NSWindow* window = b->window()->GetNativeHandle(); |
| NSRect window_frame = [window frame]; |
| |
| // Limit to not overflow the work area right and bottom edges. |
| NSPoint limit = NSMakePoint( |
| std::min(NSMinX(window_frame) + kWindowTilePixels, |
| NSMaxX(work_area) - size.width()), |
| std::max(NSMaxY(window_frame) - kWindowTilePixels, |
| NSMinY(work_area) + size.height())); |
| |
| // Adjust corner to now overflow the work area left and top edges, so |
| // that if a popup does not fit the title-bar is remains visible. |
| corner = NSMakePoint(std::max(corner.x, limit.x), |
| std::min(corner.y, limit.y)); |
| } |
| |
| return gfx::Point(corner.x, NSHeight(main_area) - corner.y); |
| } |