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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/frame/browser_frame_view_linux_native.h"
#include "base/notreached.h"
#include "chrome/browser/ui/views/frame/browser_frame_view_layout_linux_native.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/linux/linux_ui.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/window/frame_background.h"
namespace {
ui::NavButtonProvider::ButtonState ButtonStateToNavButtonProviderState(
views::Button::ButtonState state) {
switch (state) {
case views::Button::STATE_NORMAL:
return ui::NavButtonProvider::ButtonState::kNormal;
case views::Button::STATE_HOVERED:
return ui::NavButtonProvider::ButtonState::kHovered;
case views::Button::STATE_PRESSED:
return ui::NavButtonProvider::ButtonState::kPressed;
case views::Button::STATE_DISABLED:
return ui::NavButtonProvider::ButtonState::kDisabled;
case views::Button::STATE_COUNT:
default:
NOTREACHED();
}
}
} // namespace
bool BrowserFrameViewLinuxNative::DrawFrameButtonParams::operator==(
const DrawFrameButtonParams& other) const {
return top_area_height == other.top_area_height &&
maximized == other.maximized && active == other.active;
}
BrowserFrameViewLinuxNative::BrowserFrameViewLinuxNative(
BrowserFrame* frame,
BrowserView* browser_view,
BrowserFrameViewLayoutLinuxNative* layout,
std::unique_ptr<ui::NavButtonProvider> nav_button_provider)
: BrowserFrameViewLinux(frame, browser_view, layout),
nav_button_provider_(std::move(nav_button_provider)),
layout_(layout) {}
BrowserFrameViewLinuxNative::~BrowserFrameViewLinuxNative() = default;
void BrowserFrameViewLinuxNative::Layout(PassKey) {
// Calling MaybeUpdateCachedFrameButtonImages() here is sufficient to catch
// all cases that could update the appearance, since
// DesktopWindowTreeHostPlatform::On{Window,Activation}StateChanged() does a
// layout any time the maximized and activation state changes, respectively.
MaybeUpdateCachedFrameButtonImages();
LayoutSuperclass<OpaqueBrowserFrameView>(this);
}
BrowserFrameViewLinuxNative::FrameButtonStyle
BrowserFrameViewLinuxNative::GetFrameButtonStyle() const {
return FrameButtonStyle::kImageButton;
}
int BrowserFrameViewLinuxNative::GetTranslucentTopAreaHeight() const {
return layout_->GetFrameProvider()->IsTopFrameTranslucent()
? GetTopAreaHeight()
: 0;
}
float BrowserFrameViewLinuxNative::GetRestoredCornerRadiusDip() const {
return layout_->GetFrameProvider()->GetTopCornerRadiusDip();
}
void BrowserFrameViewLinuxNative::PaintRestoredFrameBorder(
gfx::Canvas* canvas) const {
layout_->GetFrameProvider()->PaintWindowFrame(
canvas, GetLocalBounds(), GetTopAreaHeight(), ShouldPaintAsActive(),
GetInputInsets());
}
void BrowserFrameViewLinuxNative::MaybeUpdateCachedFrameButtonImages() {
DrawFrameButtonParams params{
GetTopAreaHeight() - layout()->FrameEdgeInsets(!IsMaximized()).top(),
IsMaximized(), ShouldPaintAsActive()};
if (cache_ == params) {
return;
}
cache_ = params;
nav_button_provider_->RedrawImages(params.top_area_height, params.maximized,
params.active);
for (auto type : {
ui::NavButtonProvider::FrameButtonDisplayType::kMinimize,
IsMaximized()
? ui::NavButtonProvider::FrameButtonDisplayType::kRestore
: ui::NavButtonProvider::FrameButtonDisplayType::kMaximize,
ui::NavButtonProvider::FrameButtonDisplayType::kClose,
}) {
for (size_t state = 0; state < views::Button::STATE_COUNT; state++) {
views::Button::ButtonState button_state =
static_cast<views::Button::ButtonState>(state);
views::Button* button = GetButtonFromDisplayType(type);
DCHECK_EQ(views::ImageButton::kViewClassName, button->GetClassName());
static_cast<views::ImageButton*>(button)->SetImageModel(
button_state,
ui::ImageModel::FromImageSkia(nav_button_provider_->GetImage(
type, ButtonStateToNavButtonProviderState(button_state))));
}
}
}
views::Button* BrowserFrameViewLinuxNative::GetButtonFromDisplayType(
ui::NavButtonProvider::FrameButtonDisplayType type) {
switch (type) {
case ui::NavButtonProvider::FrameButtonDisplayType::kMinimize:
return minimize_button();
case ui::NavButtonProvider::FrameButtonDisplayType::kMaximize:
return maximize_button();
case ui::NavButtonProvider::FrameButtonDisplayType::kRestore:
return restore_button();
case ui::NavButtonProvider::FrameButtonDisplayType::kClose:
return close_button();
default:
NOTREACHED();
}
}
BEGIN_METADATA(BrowserFrameViewLinuxNative)
END_METADATA
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