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// Copyright (c) 2011 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/fullscreen_exit_bubble_views.h"
#include "base/message_loop.h"
#include "base/utf_string_conversions.h"
#include "chrome/app/chrome_command_ids.h"
#include "grit/generated_resources.h"
#include "ui/base/animation/slide_animation.h"
#include "ui/base/keycodes/keyboard_codes.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas_skia.h"
#include "ui/gfx/screen.h"
#include "views/controls/link.h"
#include "views/widget/widget.h"
#if defined(OS_WIN)
#include "ui/base/l10n/l10n_util_win.h"
#endif
// FullscreenExitView ----------------------------------------------------------
class FullscreenExitBubbleViews::FullscreenExitView : public views::View {
public:
FullscreenExitView(FullscreenExitBubbleViews* bubble,
const std::wstring& accelerator);
virtual ~FullscreenExitView();
// views::View
virtual gfx::Size GetPreferredSize();
private:
// views::View
virtual void Layout();
virtual void OnPaint(gfx::Canvas* canvas);
// Clickable hint text to show in the bubble.
views::Link link_;
};
FullscreenExitBubbleViews::FullscreenExitView::FullscreenExitView(
FullscreenExitBubbleViews* bubble,
const std::wstring& accelerator) {
link_.set_parent_owned(false);
#if !defined(OS_CHROMEOS)
link_.SetText(
UTF16ToWide(l10n_util::GetStringFUTF16(IDS_EXIT_FULLSCREEN_MODE,
WideToUTF16(accelerator))));
#else
link_.SetText(
UTF16ToWide(l10n_util::GetStringUTF16(IDS_EXIT_FULLSCREEN_MODE)));
#endif
link_.set_listener(bubble);
link_.SetFont(ResourceBundle::GetSharedInstance().GetFont(
ResourceBundle::LargeFont));
link_.SetNormalColor(SK_ColorWHITE);
link_.SetHighlightedColor(SK_ColorWHITE);
AddChildView(&link_);
}
FullscreenExitBubbleViews::FullscreenExitView::~FullscreenExitView() {
}
gfx::Size FullscreenExitBubbleViews::FullscreenExitView::GetPreferredSize() {
gfx::Size preferred_size(link_.GetPreferredSize());
preferred_size.Enlarge(kPaddingPx * 2, kPaddingPx * 2);
return preferred_size;
}
void FullscreenExitBubbleViews::FullscreenExitView::Layout() {
gfx::Size link_preferred_size(link_.GetPreferredSize());
link_.SetBounds(kPaddingPx,
height() - kPaddingPx - link_preferred_size.height(),
link_preferred_size.width(), link_preferred_size.height());
}
void FullscreenExitBubbleViews::FullscreenExitView::OnPaint(
gfx::Canvas* canvas) {
// Create a round-bottomed rect to fill the whole View.
SkRect rect;
SkScalar padding = SkIntToScalar(kPaddingPx);
// The "-padding" top coordinate ensures that the rect is always tall enough
// to contain the complete rounded corner radius. If we set this to 0, as the
// popup slides offscreen (in reality, squishes to 0 height), the corners will
// flatten out as the height becomes less than the corner radius.
rect.set(0, -padding, SkIntToScalar(width()), SkIntToScalar(height()));
SkScalar rad[8] = { 0, 0, 0, 0, padding, padding, padding, padding };
SkPath path;
path.addRoundRect(rect, rad, SkPath::kCW_Direction);
// Fill it black.
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setFlags(SkPaint::kAntiAlias_Flag);
paint.setColor(SK_ColorBLACK);
canvas->GetSkCanvas()->drawPath(path, paint);
}
// FullscreenExitBubbleViews ---------------------------------------------------
FullscreenExitBubbleViews::FullscreenExitBubbleViews(
views::Widget* frame,
CommandUpdater::CommandUpdaterDelegate* delegate)
: FullscreenExitBubble(delegate),
root_view_(frame->GetRootView()),
popup_(NULL),
size_animation_(new ui::SlideAnimation(this)) {
size_animation_->Reset(1);
// Create the contents view.
views::Accelerator accelerator(ui::VKEY_UNKNOWN, false, false, false);
bool got_accelerator = frame->GetAccelerator(IDC_FULLSCREEN, &accelerator);
DCHECK(got_accelerator);
view_ = new FullscreenExitView(
this, UTF16ToWideHack(accelerator.GetShortcutText()));
// Initialize the popup.
popup_ = new views::Widget;
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.transparent = true;
params.can_activate = false;
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.parent = frame->GetNativeView();
params.bounds = GetPopupRect(false);
popup_->Init(params);
popup_->SetContentsView(view_);
popup_->SetOpacity(static_cast<unsigned char>(0xff * kOpacity));
popup_->Show(); // This does not activate the popup.
StartWatchingMouse();
}
FullscreenExitBubbleViews::~FullscreenExitBubbleViews() {
// This is tricky. We may be in an ATL message handler stack, in which case
// the popup cannot be deleted yet. We also can't set the popup's ownership
// model to NATIVE_WIDGET_OWNS_WIDGET because if the user closed the last tab
// while in fullscreen mode, Windows has already destroyed the popup HWND by
// the time we get here, and thus either the popup will already have been
// deleted (if we set this in our constructor) or the popup will never get
// another OnFinalMessage() call (if not, as currently). So instead, we tell
// the popup to synchronously hide, and then asynchronously close and delete
// itself.
popup_->Close();
MessageLoop::current()->DeleteSoon(FROM_HERE, popup_);
}
void FullscreenExitBubbleViews::LinkClicked(
views::Link* source, int event_flags) {
ToggleFullscreen();
}
void FullscreenExitBubbleViews::AnimationProgressed(
const ui::Animation* animation) {
gfx::Rect popup_rect(GetPopupRect(false));
if (popup_rect.IsEmpty()) {
popup_->Hide();
} else {
popup_->SetBounds(popup_rect);
popup_->Show();
}
}
void FullscreenExitBubbleViews::AnimationEnded(
const ui::Animation* animation) {
AnimationProgressed(animation);
}
void FullscreenExitBubbleViews::Hide() {
size_animation_->SetSlideDuration(kSlideOutDurationMs);
size_animation_->Hide();
}
void FullscreenExitBubbleViews::Show() {
size_animation_->SetSlideDuration(kSlideInDurationMs);
size_animation_->Show();
}
bool FullscreenExitBubbleViews::IsAnimating() {
return size_animation_->GetCurrentValue() != 0;
}
bool FullscreenExitBubbleViews::IsWindowActive() {
return root_view_->GetWidget()->IsActive();
}
bool FullscreenExitBubbleViews::WindowContainsPoint(gfx::Point pos) {
return root_view_->HitTest(pos);
}
gfx::Point FullscreenExitBubbleViews::GetCursorScreenPoint() {
gfx::Point cursor_pos = gfx::Screen::GetCursorScreenPoint();
gfx::Point transformed_pos(cursor_pos);
views::View::ConvertPointToView(NULL, root_view_, &transformed_pos);
return transformed_pos;
}
gfx::Rect FullscreenExitBubbleViews::GetPopupRect(
bool ignore_animation_state) const {
gfx::Size size(view_->GetPreferredSize());
if (!ignore_animation_state) {
size.set_height(static_cast<int>(static_cast<double>(size.height()) *
size_animation_->GetCurrentValue()));
}
// NOTE: don't use the bounds of the root_view_. On linux changing window
// size is async. Instead we use the size of the screen.
gfx::Rect screen_bounds = gfx::Screen::GetMonitorAreaNearestWindow(
root_view_->GetWidget()->GetNativeView());
gfx::Point origin(screen_bounds.x() +
(screen_bounds.width() - size.width()) / 2,
screen_bounds.y());
return gfx::Rect(origin, size);
}
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