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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 "chrome/browser/ui/views/location_bar/page_action_image_view.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_action.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sessions/session_tab_helper.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/constants.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/compositor/paint_recorder.h"
#include "ui/events/event.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image.h"
#include "ui/views/controls/menu/menu_runner.h"
// static
const char PageActionImageView::kViewClassName[] = "PageActionImageView";
PageActionImageView::PageActionImageView(LocationBarView* owner,
ExtensionAction* page_action,
Browser* browser)
: view_controller_(new ExtensionActionViewController(
extensions::ExtensionRegistry::Get(browser->profile())->
enabled_extensions().GetByID(page_action->extension_id()),
browser,
page_action,
nullptr)),
owner_(owner),
preview_enabled_(false) {
// There should be an associated focus manager so that we can safely register
// accelerators for commands.
DCHECK(GetFocusManagerForAccelerator());
SetAccessibilityFocusable(true);
view_controller_->SetDelegate(this);
view_controller_->RegisterCommand();
set_context_menu_controller(this);
}
PageActionImageView::~PageActionImageView() {
}
const char* PageActionImageView::GetClassName() const {
return kViewClassName;
}
void PageActionImageView::GetAccessibleState(ui::AXViewState* state) {
state->role = ui::AX_ROLE_BUTTON;
state->name = base::UTF8ToUTF16(tooltip_);
}
bool PageActionImageView::OnMousePressed(const ui::MouseEvent& event) {
// We want to show the bubble on mouse release; that is the standard behavior
// for buttons. (Also, triggering on mouse press causes bugs like
// http://crbug.com/33155.)
return true;
}
void PageActionImageView::OnMouseReleased(const ui::MouseEvent& event) {
if (!HitTestPoint(event.location()))
return;
if (event.IsRightMouseButton()) {
// Don't show a menu here, its handled in View::ProcessMouseReleased. We
// show the context menu by way of being the ContextMenuController.
return;
}
view_controller_->ExecuteAction(true);
}
bool PageActionImageView::OnKeyPressed(const ui::KeyEvent& event) {
if (event.key_code() == ui::VKEY_SPACE ||
event.key_code() == ui::VKEY_RETURN) {
view_controller_->ExecuteAction(true);
return true;
}
return false;
}
void PageActionImageView::OnGestureEvent(ui::GestureEvent* event) {
if (event->type() == ui::ET_GESTURE_TAP) {
view_controller_->ExecuteAction(true);
event->SetHandled();
}
}
void PageActionImageView::UpdateVisibility(content::WebContents* contents) {
int tab_id = SessionTabHelper::IdForTab(contents);
if (!contents ||
tab_id == -1 ||
(!preview_enabled_ && !extension_action()->GetIsVisible(tab_id))) {
SetVisible(false);
return;
}
// Set the tooltip.
tooltip_ = extension_action()->GetTitle(tab_id);
SetTooltipText(base::UTF8ToUTF16(tooltip_));
// Set the image.
gfx::Size size(extension_misc::EXTENSION_ICON_ACTION,
extension_misc::EXTENSION_ICON_ACTION);
gfx::Image icon = view_controller_->GetIcon(contents, size);
if (!icon.IsEmpty())
SetImage(*icon.ToImageSkia());
SetVisible(true);
}
void PageActionImageView::UpdateState() {
UpdateVisibility(GetCurrentWebContents());
}
views::View* PageActionImageView::GetAsView() {
return this;
}
bool PageActionImageView::IsMenuRunning() const {
return menu_runner_.get() != nullptr;
}
views::FocusManager* PageActionImageView::GetFocusManagerForAccelerator() {
return owner_->GetFocusManager();
}
views::View* PageActionImageView::GetReferenceViewForPopup() {
return this;
}
content::WebContents* PageActionImageView::GetCurrentWebContents() const {
return owner_->GetWebContents();
}
void PageActionImageView::ShowContextMenuForView(
views::View* source,
const gfx::Point& point,
ui::MenuSourceType source_type) {
ui::MenuModel* context_menu_model = view_controller_->GetContextMenu();
// It's possible the action doesn't have a context menu.
if (!context_menu_model)
return;
gfx::Point screen_loc;
ConvertPointToScreen(this, &screen_loc);
int run_types =
views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU;
menu_runner_.reset(new views::MenuRunner(context_menu_model, run_types));
if (menu_runner_->RunMenuAt(GetWidget(),
nullptr, // No menu button for page action views.
gfx::Rect(screen_loc, size()),
views::MENU_ANCHOR_TOPLEFT,
source_type) == views::MenuRunner::MENU_DELETED) {
return;
}
menu_runner_.reset();
view_controller_->OnContextMenuClosed();
}
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