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// Copyright (c) 2013 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 "ash/popup_message.h"
#include "ash/wm/window_animations.h"
#include "grit/ash_resources.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
const int kMessageTopBottomMargin = 10;
const int kMessageLeftRightMargin = 10;
const int kMessageMinHeight = 29 - 2 * kMessageTopBottomMargin;
const SkColor kMessageTextColor = SkColorSetRGB(0x22, 0x22, 0x22);
// The maximum width of the Message bubble. Borrowed the value from
// ash/message/message_controller.cc
const int kMessageMaxWidth = 250;
// The offset for the Message bubble - making sure that the bubble is flush
// with the shelf. The offset includes the arrow size in pixels as well as
// the activation bar and other spacing elements.
const int kArrowOffsetLeftRight = 11;
const int kArrowOffsetTopBottom = 7;
// The number of pixels between the icon and the text.
const int kHorizontalPopupPaddingBetweenItems = 10;
// The number of pixels between the text items.
const int kVerticalPopupPaddingBetweenItems = 10;
} // namespace
// The implementation of Message of the launcher.
class PopupMessage::MessageBubble : public views::BubbleDelegateView {
public:
MessageBubble(const base::string16& caption,
const base::string16& message,
IconType message_type,
views::View* anchor,
views::BubbleBorder::Arrow arrow_orientation,
const gfx::Size& size_override,
int arrow_offset);
void Close();
private:
// views::View overrides:
gfx::Size GetPreferredSize() const override;
// Each component (width/height) can force a size override for that component
// if not 0.
gfx::Size size_override_;
DISALLOW_COPY_AND_ASSIGN(MessageBubble);
};
// static
const int PopupMessage::kCaptionLabelID = 1000;
const int PopupMessage::kMessageLabelID = 1001;
PopupMessage::MessageBubble::MessageBubble(const base::string16& caption,
const base::string16& message,
IconType message_type,
views::View* anchor,
views::BubbleBorder::Arrow arrow,
const gfx::Size& size_override,
int arrow_offset)
: views::BubbleDelegateView(anchor, arrow),
size_override_(size_override) {
gfx::Insets insets = gfx::Insets(kArrowOffsetTopBottom,
kArrowOffsetLeftRight,
kArrowOffsetTopBottom,
kArrowOffsetLeftRight);
// An anchor can have an asymmetrical border for spacing reasons. Adjust the
// anchor location for this.
if (anchor->border())
insets += anchor->border()->GetInsets();
set_anchor_view_insets(insets);
set_close_on_esc(false);
set_close_on_deactivate(false);
set_can_activate(false);
set_accept_events(false);
set_margins(gfx::Insets(kMessageTopBottomMargin, kMessageLeftRightMargin,
kMessageTopBottomMargin, kMessageLeftRightMargin));
set_shadow(views::BubbleBorder::SMALL_SHADOW);
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0,
kHorizontalPopupPaddingBetweenItems));
// Here is the layout:
// arrow_offset (if not 0)
// |-------------|
// | ^
// +-------------------------------------------------+
// -| |-
// icon | [!] Caption in bold which can be multi line | caption_label
// -| |-
// | Message text which can be multi line | message_label
// | as well. |
// | |-
// +-------------------------------------------------+
// |------------details container--------------|
// Note that the icon, caption and message are optional.
// Add the icon to the first column (if there is one).
if (message_type != ICON_NONE) {
views::ImageView* icon = new views::ImageView();
icon->SetImage(
bundle.GetImageNamed(IDR_AURA_WARNING_ICON).ToImageSkia());
icon->SetVerticalAlignment(views::ImageView::LEADING);
AddChildView(icon);
}
// Create a container for the text items and use it as second column.
views::View* details = new views::View();
AddChildView(details);
details->SetLayoutManager(new views::BoxLayout(
views::BoxLayout::kVertical, 0, 0, kVerticalPopupPaddingBetweenItems));
// The caption label.
if (!caption.empty()) {
views::Label* caption_label = new views::Label(caption);
caption_label->set_id(kCaptionLabelID);
caption_label->SetMultiLine(true);
caption_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
caption_label->SetFontList(
bundle.GetFontList(ui::ResourceBundle::BoldFont));
caption_label->SetEnabledColor(kMessageTextColor);
details->AddChildView(caption_label);
}
// The message label.
if (!message.empty()) {
views::Label* message_label = new views::Label(message);
message_label->set_id(kMessageLabelID);
message_label->SetMultiLine(true);
message_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
message_label->SetEnabledColor(kMessageTextColor);
details->AddChildView(message_label);
}
views::BubbleDelegateView::CreateBubble(this);
// Change the arrow offset if needed.
if (arrow_offset) {
// With the creation of the bubble, the bubble got already placed (and
// possibly re-oriented to fit on the screen). Since it is not possible to
// set the arrow offset before the creation, we need to set the offset,
// and the orientation variables again and force a re-placement.
GetBubbleFrameView()->bubble_border()->set_arrow_offset(arrow_offset);
GetBubbleFrameView()->bubble_border()->set_arrow(arrow);
SetAlignment(views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR);
}
}
void PopupMessage::MessageBubble::Close() {
if (GetWidget())
GetWidget()->Close();
}
gfx::Size PopupMessage::MessageBubble::GetPreferredSize() const {
gfx::Size pref_size = views::BubbleDelegateView::GetPreferredSize();
// Override the size with either the provided size or adjust it to not
// violate our minimum / maximum sizes.
if (size_override_.height())
pref_size.set_height(size_override_.height());
else if (pref_size.height() < kMessageMinHeight)
pref_size.set_height(kMessageMinHeight);
if (size_override_.width())
pref_size.set_width(size_override_.width());
else if (pref_size.width() > kMessageMaxWidth)
pref_size.set_width(kMessageMaxWidth);
return pref_size;
}
PopupMessage::PopupMessage(const base::string16& caption,
const base::string16& message,
IconType message_type,
views::View* anchor,
views::BubbleBorder::Arrow arrow,
const gfx::Size& size_override,
int arrow_offset)
: view_(NULL) {
view_ = new MessageBubble(
caption, message, message_type, anchor, arrow, size_override,
arrow_offset);
widget_ = view_->GetWidget();
gfx::NativeView native_view = widget_->GetNativeView();
wm::SetWindowVisibilityAnimationType(
native_view, wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
wm::SetWindowVisibilityAnimationTransition(
native_view, wm::ANIMATE_HIDE);
view_->GetWidget()->Show();
}
PopupMessage::~PopupMessage() {
CancelHidingAnimation();
Close();
}
void PopupMessage::Close() {
if (view_) {
view_->Close();
view_ = NULL;
widget_ = NULL;
}
}
void PopupMessage::CancelHidingAnimation() {
if (!widget_ || !widget_->GetNativeView())
return;
gfx::NativeView native_view = widget_->GetNativeView();
wm::SetWindowVisibilityAnimationTransition(
native_view, wm::ANIMATE_NONE);
}
} // namespace ash
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