#include "ash/display/display_layout_store.h"
#include "ash/display/display_manager.h"
#include "ash/shell.h"
+#include "ash/touch/touchscreen_util.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "grit/ash_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/compositor/dip_util.h"
-#include "ui/display/types/chromeos/display_mode.h"
-#include "ui/display/types/chromeos/display_snapshot.h"
+#include "ui/display/types/display_mode.h"
+#include "ui/display/types/display_snapshot.h"
#include "ui/display/util/display_util.h"
+#include "ui/events/device_data_manager.h"
+#include "ui/events/touchscreen_device.h"
#include "ui/gfx/display.h"
+#include "ui/wm/core/user_activity_detector.h"
namespace ash {
namespace {
-// The DPI threshold to detect high density screen.
-// Higher DPI than this will use device_scale_factor=2.
-const unsigned int kHighDensityDPIThreshold = 170;
+// The DPI threshold to determine the device scale factor.
+// DPI higher than |dpi| will use |device_scale_factor|.
+struct DeviceScaleFactorDPIThreshold {
+ float dpi;
+ float device_scale_factor;
+};
+
+const DeviceScaleFactorDPIThreshold kThresholdTable[] = {
+ {180.0f, 2.0f},
+ {150.0f, 1.25f},
+ {0.0f, 1.0f},
+};
// 1 inch in mm.
const float kInchInMm = 25.4f;
-// Display mode list is sorted by (in descending priority):
-// * the area in pixels.
-// * refresh rate.
+// The minimum pixel width whose monitor can be called as '4K'.
+const int kMinimumWidthFor4K = 3840;
+
+// The list of device scale factors (in addition to 1.0f) which is
+// available in extrenal large monitors.
+const float kAdditionalDeviceScaleFactorsFor4k[] = {1.25f, 2.0f};
+
+// Display mode list is sorted by:
+// * the area in pixels in ascending order
+// * refresh rate in descending order
struct DisplayModeSorter {
bool operator()(const DisplayMode& a, const DisplayMode& b) {
- if (a.size.GetArea() == b.size.GetArea())
+ gfx::Size size_a_dip = a.GetSizeInDIP();
+ gfx::Size size_b_dip = b.GetSizeInDIP();
+ if (size_a_dip.GetArea() == size_b_dip.GetArea())
return (a.refresh_rate > b.refresh_rate);
- return (a.size.GetArea() > b.size.GetArea());
+ return (size_a_dip.GetArea() < size_b_dip.GetArea());
}
};
} // namespace
// static
-std::vector<DisplayMode> DisplayChangeObserver::GetDisplayModeList(
+std::vector<DisplayMode> DisplayChangeObserver::GetInternalDisplayModeList(
+ const DisplayInfo& display_info,
+ const DisplayConfigurator::DisplayState& output) {
+ std::vector<DisplayMode> display_mode_list;
+ const ui::DisplayMode* ui_native_mode = output.display->native_mode();
+ DisplayMode native_mode(ui_native_mode->size(),
+ ui_native_mode->refresh_rate(),
+ ui_native_mode->is_interlaced(),
+ true);
+ native_mode.device_scale_factor = display_info.device_scale_factor();
+ std::vector<float> ui_scales =
+ DisplayManager::GetScalesForDisplay(display_info);
+ float native_ui_scale = (display_info.device_scale_factor() == 1.25f) ?
+ 1.0f : display_info.device_scale_factor();
+ for (size_t i = 0; i < ui_scales.size(); ++i) {
+ DisplayMode mode = native_mode;
+ mode.ui_scale = ui_scales[i];
+ mode.native = (ui_scales[i] == native_ui_scale);
+ display_mode_list.push_back(mode);
+ }
+
+ std::sort(
+ display_mode_list.begin(), display_mode_list.end(), DisplayModeSorter());
+ return display_mode_list;
+}
+
+// static
+std::vector<DisplayMode> DisplayChangeObserver::GetExternalDisplayModeList(
const DisplayConfigurator::DisplayState& output) {
typedef std::map<std::pair<int, int>, DisplayMode> DisplayModeMap;
DisplayModeMap display_mode_map;
+ DisplayMode native_mode;
for (std::vector<const ui::DisplayMode*>::const_iterator it =
output.display->modes().begin();
it != output.display->modes().end();
mode_info.refresh_rate(),
mode_info.is_interlaced(),
output.display->native_mode() == *it);
+ if (display_mode.native)
+ native_mode = display_mode;
// Add the display mode if it isn't already present and override interlaced
// display modes with non-interlaced ones.
++iter) {
display_mode_list.push_back(iter->second);
}
+
+ if (native_mode.size.width() >= kMinimumWidthFor4K) {
+ for (size_t i = 0; i < arraysize(kAdditionalDeviceScaleFactorsFor4k);
+ ++i) {
+ DisplayMode mode = native_mode;
+ mode.device_scale_factor = kAdditionalDeviceScaleFactorsFor4k[i];
+ mode.native = false;
+ display_mode_list.push_back(mode);
+ }
+ }
+
std::sort(
display_mode_list.begin(), display_mode_list.end(), DisplayModeSorter());
return display_mode_list;
DisplayChangeObserver::DisplayChangeObserver() {
Shell::GetInstance()->AddShellObserver(this);
+ ui::DeviceDataManager::GetInstance()->AddObserver(this);
}
DisplayChangeObserver::~DisplayChangeObserver() {
+ ui::DeviceDataManager::GetInstance()->RemoveObserver(this);
Shell::GetInstance()->RemoveShellObserver(this);
}
continue;
float device_scale_factor = 1.0f;
- if (!ui::IsDisplaySizeBlackListed(state.display->physical_size()) &&
- (kInchInMm * mode_info->size().width() /
- state.display->physical_size().width()) > kHighDensityDPIThreshold) {
- device_scale_factor = 2.0f;
+ if (state.display->type() == ui::DISPLAY_CONNECTION_TYPE_INTERNAL) {
+ if (!ui::IsDisplaySizeBlackListed(state.display->physical_size())) {
+ device_scale_factor =
+ FindDeviceScaleFactor((kInchInMm * mode_info->size().width() /
+ state.display->physical_size().width()));
+ }
+ } else {
+ DisplayMode mode;
+ if (Shell::GetInstance()->display_manager()->GetSelectedModeForDisplayId(
+ state.display->display_id(), &mode)) {
+ device_scale_factor = mode.device_scale_factor;
+ }
}
gfx::Rect display_bounds(state.display->origin(), mode_info->size());
- std::vector<DisplayMode> display_modes = GetDisplayModeList(state);
-
std::string name =
state.display->type() == ui::DISPLAY_CONNECTION_TYPE_INTERNAL ?
l10n_util::GetStringUTF8(IDS_ASH_INTERNAL_DISPLAY_NAME) :
new_info.set_device_scale_factor(device_scale_factor);
new_info.SetBounds(display_bounds);
new_info.set_native(true);
+ new_info.set_is_aspect_preserving_scaling(
+ state.display->is_aspect_preserving_scaling());
+
+ std::vector<DisplayMode> display_modes =
+ (state.display->type() == ui::DISPLAY_CONNECTION_TYPE_INTERNAL) ?
+ GetInternalDisplayModeList(new_info, state) :
+ GetExternalDisplayModeList(state);
new_info.set_display_modes(display_modes);
- new_info.set_touch_support(state.touch_device_id == 0 ?
- gfx::Display::TOUCH_SUPPORT_UNAVAILABLE :
- gfx::Display::TOUCH_SUPPORT_AVAILABLE);
- new_info.set_touch_device_id(state.touch_device_id);
+
new_info.set_available_color_profiles(
Shell::GetInstance()
->display_configurator()
->GetAvailableColorCalibrationProfiles(id));
}
+ AssociateTouchscreens(
+ &displays, ui::DeviceDataManager::GetInstance()->touchscreen_devices());
// DisplayManager can be null during the boot.
Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(displays);
+
+ // For the purposes of user activity detection, ignore synthetic mouse events
+ // that are triggered by screen resizes: http://crbug.com/360634
+ ::wm::UserActivityDetector* user_activity_detector =
+ Shell::GetInstance()->user_activity_detector();
+ if (user_activity_detector)
+ user_activity_detector->OnDisplayPowerChanging();
}
void DisplayChangeObserver::OnAppTerminating() {
#endif
}
+// static
+float DisplayChangeObserver::FindDeviceScaleFactor(float dpi) {
+ for (size_t i = 0; i < arraysize(kThresholdTable); ++i) {
+ if (dpi > kThresholdTable[i].dpi)
+ return kThresholdTable[i].device_scale_factor;
+ }
+ return 1.0f;
+}
+
+void DisplayChangeObserver::OnInputDeviceConfigurationChanged() {
+ OnDisplayModeChanged(
+ Shell::GetInstance()->display_configurator()->cached_displays());
+}
+
} // namespace ash
projects / platform / framework / web / crosswalk.git / blobdiff