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// Copyright (c) 2012 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/launcher/launcher.h"
#include <algorithm>
#include <cmath>
#include "ash/focus_cycler.h"
#include "ash/launcher/launcher_delegate.h"
#include "ash/launcher/launcher_model.h"
#include "ash/launcher/launcher_navigator.h"
#include "ash/launcher/launcher_view.h"
#include "ash/root_window_controller.h"
#include "ash/shelf/shelf_layout_manager.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/shell_delegate.h"
#include "ash/shell_window_ids.h"
#include "ash/wm/property_util.h"
#include "ash/wm/window_properties.h"
#include "grit/ash_resources.h"
#include "ui/aura/client/activation_client.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/compositor/layer.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/skbitmap_operations.h"
#include "ui/views/accessible_pane_view.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace {
// Size of black border at bottom (or side) of launcher.
const int kNumBlackPixels = 3;
// Alpha to paint dimming image with.
const int kDimAlpha = 96;
}
namespace ash {
Launcher::Launcher(LauncherModel* launcher_model,
LauncherDelegate* launcher_delegate,
ShelfWidget* shelf_widget)
: launcher_view_(NULL),
alignment_(SHELF_ALIGNMENT_BOTTOM),
delegate_(launcher_delegate),
shelf_widget_(shelf_widget) {
launcher_view_ = new internal::LauncherView(
launcher_model, delegate_, shelf_widget_->shelf_layout_manager());
launcher_view_->Init();
shelf_widget_->GetContentsView()->AddChildView(launcher_view_);
shelf_widget_->GetNativeView()->SetName("LauncherView");
shelf_widget_->GetNativeView()->SetProperty(
internal::kStayInSameRootWindowKey, true);
}
Launcher::~Launcher() {
}
// static
Launcher* Launcher::ForPrimaryDisplay() {
return internal::RootWindowController::ForLauncher(
Shell::GetPrimaryRootWindow())->shelf()->launcher();
}
// static
Launcher* Launcher::ForWindow(aura::Window* window) {
return internal::RootWindowController::ForLauncher(window)->
shelf()->launcher();
}
void Launcher::SetAlignment(ShelfAlignment alignment) {
alignment_ = alignment;
launcher_view_->OnShelfAlignmentChanged();
// ShelfLayoutManager will resize the launcher.
}
gfx::Rect Launcher::GetScreenBoundsOfItemIconForWindow(aura::Window* window) {
LauncherID id = delegate_->GetIDByWindow(window);
gfx::Rect bounds(launcher_view_->GetIdealBoundsOfItemIcon(id));
if (bounds.IsEmpty())
return bounds;
gfx::Point screen_origin;
views::View::ConvertPointToScreen(launcher_view_, &screen_origin);
return gfx::Rect(screen_origin.x() + bounds.x(),
screen_origin.y() + bounds.y(),
bounds.width(),
bounds.height());
}
void Launcher::ActivateLauncherItem(int index) {
const ash::LauncherItems& items =
launcher_view_->model()->items();
ui::MouseEvent event(ui::ET_MOUSE_PRESSED,
gfx::Point(),
gfx::Point(),
ui::EF_NONE);
delegate_->ItemClicked(items[index], event);
}
void Launcher::CycleWindowLinear(CycleDirection direction) {
int item_index = GetNextActivatedItemIndex(
*(launcher_view_->model()), direction);
if (item_index >= 0)
ActivateLauncherItem(item_index);
}
void Launcher::AddIconObserver(LauncherIconObserver* observer) {
launcher_view_->AddIconObserver(observer);
}
void Launcher::RemoveIconObserver(LauncherIconObserver* observer) {
launcher_view_->RemoveIconObserver(observer);
}
bool Launcher::IsShowingMenu() const {
return launcher_view_->IsShowingMenu();
}
void Launcher::ShowContextMenu(const gfx::Point& location) {
launcher_view_->ShowContextMenu(location, false);
}
bool Launcher::IsShowingOverflowBubble() const {
return launcher_view_->IsShowingOverflowBubble();
}
void Launcher::SetVisible(bool visible) const {
launcher_view_->SetVisible(visible);
}
bool Launcher::IsVisible() const {
return launcher_view_->visible();
}
views::View* Launcher::GetAppListButtonView() const {
return launcher_view_->GetAppListButtonView();
}
void Launcher::SwitchToWindow(int window_index) {
LauncherModel* launcher_model = launcher_view_->model();
const LauncherItems& items = launcher_model->items();
int item_count = launcher_model->item_count();
int indexes_left = window_index >= 0 ? window_index : item_count;
int found_index = -1;
// Iterating until we have hit the index we are interested in which
// is true once indexes_left becomes negative.
for (int i = 0; i < item_count && indexes_left >= 0; i++) {
if (items[i].type != TYPE_APP_LIST &&
items[i].type != TYPE_BROWSER_SHORTCUT) {
found_index = i;
indexes_left--;
}
}
// There are two ways how found_index can be valid: a.) the nth item was
// found (which is true when indexes_left is -1) or b.) the last item was
// requested (which is true when index was passed in as a negative number).
if (found_index >= 0 && (indexes_left == -1 || window_index < 0) &&
(items[found_index].status == ash::STATUS_RUNNING ||
items[found_index].status == ash::STATUS_CLOSED)) {
// Then set this one as active.
ActivateLauncherItem(found_index);
}
}
internal::LauncherView* Launcher::GetLauncherViewForTest() {
return launcher_view_;
}
void Launcher::SetLauncherViewBounds(gfx::Rect bounds) {
launcher_view_->SetBoundsRect(bounds);
}
gfx::Rect Launcher::GetLauncherViewBounds() const {
return launcher_view_->bounds();
}
} // namespace ash
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