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// 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/test/multi_display_manager_test_api.h"
#include <vector>
#include "ash/display/multi_display_manager.h"
#include "ash/shell.h"
#include "base/string_split.h"
#include "ui/aura/root_window.h"
#include "ui/gfx/display.h"
namespace ash {
namespace test {
namespace {
std::vector<gfx::Display> CreateDisplaysFromString(
const std::string specs) {
std::vector<gfx::Display> displays;
std::vector<std::string> parts;
base::SplitString(specs, ',', &parts);
for (std::vector<std::string>::const_iterator iter = parts.begin();
iter != parts.end(); ++iter) {
displays.push_back(aura::DisplayManager::CreateDisplayFromSpec(*iter));
}
return displays;
}
} // namespace
MultiDisplayManagerTestApi::MultiDisplayManagerTestApi(
internal::MultiDisplayManager* display_manager)
: display_manager_(display_manager) {
}
MultiDisplayManagerTestApi::~MultiDisplayManagerTestApi() {}
void MultiDisplayManagerTestApi::UpdateDisplay(
const std::string& display_specs) {
std::vector<gfx::Display> displays = CreateDisplaysFromString(display_specs);
display_manager_->SetDisplayIdsForTest(&displays);
display_manager_->OnNativeDisplaysChanged(displays);
bool is_host_origin_set = false;
for (size_t i = 0; i < displays.size(); ++i) {
if (displays[i].bounds_in_pixel().origin() != gfx::Point(0, 0)) {
is_host_origin_set = true;
break;
}
}
// On non-testing environment, when a secondary display is connected, a new
// native (i.e. X) window for the display is always created below the
// previous one for GPU performance reasons. Try to emulate the behavior
// unless host origins are explicitly set.
if (!is_host_origin_set) {
Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
int next_y = 0;
for (size_t i = 0; i < root_windows.size(); ++i) {
const gfx::Size size = root_windows[i]->GetHostSize();
root_windows[i]->SetHostBounds(gfx::Rect(gfx::Point(0, next_y), size));
next_y += size.height();
}
}
}
} // namespace test
} // namespace ash
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