blob: 72cc58740785ffa22af82a3a3eff69f43788611f [file] [log] [blame]
// Copyright 2018 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/ui/views/overlay/resize_handle_button.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/grit/generated_resources.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/base/hit_test.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/gfx/skbitmap_operations.h"
#include "ui/views/vector_icons.h"
namespace {
const int kResizeHandleButtonMargin = 4;
const int kResizeHandleButtonSize = 16;
constexpr SkColor kResizeHandleIconColor = SK_ColorWHITE;
} // namespace
namespace views {
ResizeHandleButton::ResizeHandleButton(ButtonListener* listener)
: ImageButton(listener) {
SetImageAlignment(views::ImageButton::ALIGN_LEFT,
views::ImageButton::ALIGN_TOP);
SetSize(gfx::Size(kResizeHandleButtonSize, kResizeHandleButtonSize));
SetImageForQuadrant(OverlayWindowViews::WindowQuadrant::kBottomRight);
// Accessibility.
SetFocusForPlatform();
const base::string16 resize_button_label(
l10n_util::GetStringUTF16(IDS_PICTURE_IN_PICTURE_RESIZE_HANDLE_TEXT));
SetAccessibleName(resize_button_label);
SetTooltipText(resize_button_label);
SetInstallFocusRingOnFocus(true);
}
ResizeHandleButton::~ResizeHandleButton() = default;
int ResizeHandleButton::GetHTComponent() const {
if (!current_quadrant_)
return HTNOWHERE;
switch (current_quadrant_.value()) {
case OverlayWindowViews::WindowQuadrant::kBottomLeft:
return HTTOPRIGHT;
case OverlayWindowViews::WindowQuadrant::kBottomRight:
return HTTOPLEFT;
case OverlayWindowViews::WindowQuadrant::kTopLeft:
return HTBOTTOMRIGHT;
case OverlayWindowViews::WindowQuadrant::kTopRight:
return HTBOTTOMLEFT;
}
}
void ResizeHandleButton::SetPosition(
const gfx::Size& size,
OverlayWindowViews::WindowQuadrant quadrant) {
// The resize handle should appear towards the center of the working area.
// This is determined as the opposite quadrant on the window.
switch (quadrant) {
case OverlayWindowViews::WindowQuadrant::kBottomLeft:
ImageButton::SetPosition(gfx::Point(
size.width() - kResizeHandleButtonSize - kResizeHandleButtonMargin,
kResizeHandleButtonMargin));
break;
case OverlayWindowViews::WindowQuadrant::kBottomRight:
ImageButton::SetPosition(
gfx::Point(kResizeHandleButtonMargin, kResizeHandleButtonMargin));
break;
case OverlayWindowViews::WindowQuadrant::kTopLeft:
ImageButton::SetPosition(gfx::Point(
size.width() - kResizeHandleButtonSize - kResizeHandleButtonMargin,
size.height() - kResizeHandleButtonSize - kResizeHandleButtonMargin));
break;
case OverlayWindowViews::WindowQuadrant::kTopRight:
ImageButton::SetPosition(gfx::Point(
kResizeHandleButtonMargin,
size.height() - kResizeHandleButtonSize - kResizeHandleButtonMargin));
break;
}
// Also rotate the icon to match the new corner.
SetImageForQuadrant(quadrant);
}
void ResizeHandleButton::SetImageForQuadrant(
OverlayWindowViews::WindowQuadrant quadrant) {
if (current_quadrant_ == quadrant)
return;
current_quadrant_ = quadrant;
gfx::ImageSkia icon = gfx::CreateVectorIcon(
kResizeHandleIcon, kResizeHandleButtonSize, kResizeHandleIconColor);
switch (quadrant) {
case OverlayWindowViews::WindowQuadrant::kBottomLeft:
SetImageAlignment(views::ImageButton::ALIGN_RIGHT,
views::ImageButton::ALIGN_TOP);
break;
case OverlayWindowViews::WindowQuadrant::kBottomRight:
SetImageAlignment(views::ImageButton::ALIGN_LEFT,
views::ImageButton::ALIGN_TOP);
icon = gfx::ImageSkiaOperations::CreateRotatedImage(
icon, SkBitmapOperations::ROTATION_270_CW);
break;
case OverlayWindowViews::WindowQuadrant::kTopLeft:
SetImageAlignment(views::ImageButton::ALIGN_RIGHT,
views::ImageButton::ALIGN_BOTTOM);
icon = gfx::ImageSkiaOperations::CreateRotatedImage(
icon, SkBitmapOperations::ROTATION_90_CW);
break;
case OverlayWindowViews::WindowQuadrant::kTopRight:
SetImageAlignment(views::ImageButton::ALIGN_LEFT,
views::ImageButton::ALIGN_BOTTOM);
icon = gfx::ImageSkiaOperations::CreateRotatedImage(
icon, SkBitmapOperations::ROTATION_180_CW);
break;
}
SetImage(views::Button::STATE_NORMAL, icon);
}
} // namespace views