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// 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.
#include "chrome/browser/window_sizer.h"
#include <gtk/gtk.h>
#include "base/logging.h"
#include "chrome/browser/browser.h"
// How much horizontal and vertical offset there is between newly
// opened windows. We don't care on Linux since the window manager generally
// does a good job of window placement.
const int WindowSizer::kWindowTilePixels = 0;
// An implementation of WindowSizer::MonitorInfoProvider that gets the actual
// monitor information from X via GDK.
class DefaultMonitorInfoProvider : public WindowSizer::MonitorInfoProvider {
public:
DefaultMonitorInfoProvider() { }
virtual gfx::Rect GetPrimaryMonitorWorkArea() const {
gfx::Rect rect = GetScreenWorkArea();
return rect.Intersect(GetPrimaryMonitorBounds());
}
virtual gfx::Rect GetPrimaryMonitorBounds() const {
GdkScreen* screen = gdk_screen_get_default();
GdkRectangle rect;
gdk_screen_get_monitor_geometry(screen, 0, &rect);
return gfx::Rect(rect);
}
virtual gfx::Rect GetMonitorWorkAreaMatching(
const gfx::Rect& match_rect) const {
// TODO(thestig) Implement multi-monitor support.
return GetPrimaryMonitorWorkArea();
}
virtual gfx::Point GetBoundsOffsetMatching(
const gfx::Rect& match_rect) const {
// TODO(thestig) Implement multi-monitor support.
return GetPrimaryMonitorWorkArea().origin();
}
void UpdateWorkAreas() {
// TODO(thestig) Implement multi-monitor support.
work_areas_.clear();
work_areas_.push_back(GetPrimaryMonitorBounds());
}
private:
gfx::Rect GetScreenWorkArea() const {
gboolean r;
glong *data;
gint data_len;
r = gdk_property_get(gdk_get_default_root_window(), // a gdk window
gdk_atom_intern("_NET_WORKAREA", FALSE), // property
gdk_atom_intern("CARDINAL", FALSE), // property type
0, // byte offset into property
0xff, // property length to retrieve
false, // delete property after retrieval?
NULL, // returned property type
NULL, // returned data format
&data_len, // returned data len
reinterpret_cast<guchar**>(&data)); // returned data
CHECK(r);
CHECK(data_len >= 16);
gint x = data[0];
gint y = data[1];
gint width = data[0] + data[2];
gint height = data[1] + data[3];
g_free(data);
return gfx::Rect(x, y, width, height);
}
DISALLOW_COPY_AND_ASSIGN(DefaultMonitorInfoProvider);
};
// static
WindowSizer::MonitorInfoProvider*
WindowSizer::CreateDefaultMonitorInfoProvider() {
return new DefaultMonitorInfoProvider();
}
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