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feat: support Mica/Acrylic on Windows (#38163)

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* feat: support Mica/Acrylic on Windows

* chore: feedback from review
This commit is contained in:
Shelley Vohr 2023-05-15 22:31:57 +02:00 • committed by GitHub
parent c2d7164021
commit e19500fa03
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10 changed files with 68 additions and 0 deletions
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30
shell/browser/native_window_views.cc
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@ -5,6 +5,7 @@
#include "shell/browser/native_window_views.h"
#if BUILDFLAG(IS_WIN)
#include <dwmapi.h>
#include <wrl/client.h>
#endif
@ -69,6 +70,7 @@
#elif BUILDFLAG(IS_WIN)
#include "base/win/win_util.h"
#include "base/win/windows_version.h"
#include "content/public/common/color_parser.h"
#include "shell/browser/ui/views/win_frame_view.h"
#include "shell/browser/ui/win/electron_desktop_native_widget_aura.h"
@ -83,6 +85,19 @@ namespace electron {
#if BUILDFLAG(IS_WIN)
DWM_SYSTEMBACKDROP_TYPE GetBackdropFromString(const std::string& material) {
if (material == "none") {
return DWMSBT_NONE;
} else if (material == "acrylic") {
return DWMSBT_TRANSIENTWINDOW;
} else if (material == "mica") {
return DWMSBT_MAINWINDOW;
} else if (material == "tabbed") {
return DWMSBT_TABBEDWINDOW;
}
return DWMSBT_AUTO;
}
// Similar to the ones in display::win::ScreenWin, but with rounded values
// These help to avoid problems that arise from unresizable windows where the
// original ceil()-ed values can cause calculation errors, since converting
@ -1379,6 +1394,21 @@ bool NativeWindowViews::IsMenuBarVisible() {
return root_view_->IsMenuBarVisible();
}
void NativeWindowViews::SetBackgroundMaterial(const std::string& material) {
#if BUILDFLAG(IS_WIN)
// DWMWA_USE_HOSTBACKDROPBRUSH is only supported on Windows 11 22H2 and up.
if (base::win::GetVersion() < base::win::Version::WIN11_22H2)
return;
DWM_SYSTEMBACKDROP_TYPE backdrop_type = GetBackdropFromString(material);
HRESULT result =
DwmSetWindowAttribute(GetAcceleratedWidget(), DWMWA_SYSTEMBACKDROP_TYPE,
&backdrop_type, sizeof(backdrop_type));
if (FAILED(result))
LOG(WARNING) << "Failed to set background material to " << material;
#endif
}
void NativeWindowViews::SetVisibleOnAllWorkspaces(
bool visible,
bool visibleOnFullScreen,