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// Copyright (c) 2009 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.
#import "chrome/browser/cocoa/blocked_popup_container_controller.h"
#include "app/l10n_util_mac.h"
#include "base/nsimage_cache_mac.h"
#include "base/sys_string_conversions.h"
#import "chrome/browser/cocoa/bubble_view.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"
#include "grit/generated_resources.h"
// A C++ bridge class that manages the interaction between the C++ interface
// and the Objective-C view controller that implements the popup blocker.
class BlockedPopupContainerViewBridge : public BlockedPopupContainerView {
public:
BlockedPopupContainerViewBridge(BlockedPopupContainerController* controller);
virtual ~BlockedPopupContainerViewBridge();
// Overrides from BlockedPopupContainerView
virtual void SetPosition();
virtual void ShowView();
virtual void UpdateLabel();
virtual void HideView();
virtual void Destroy();
private:
BlockedPopupContainerController* controller_; // Weak, owns us.
};
@interface BlockedPopupContainerController(Private)
- (void)initPopupView;
- (NSView*)containingView;
@end
@implementation BlockedPopupContainerController
// Initialize with the given popup container. Creates the C++ bridge object
// used to represent the "view".
- (id)initWithContainer:(BlockedPopupContainer*)container {
if ((self = [super init])) {
container_ = container;
bridge_.reset(new BlockedPopupContainerViewBridge(self));
[self initPopupView];
}
return self;
}
- (void)dealloc {
[view_ removeFromSuperview];
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (IBAction)closePopup:(id)sender {
container_->set_dismissed();
container_->CloseAll();
}
// Create and initialize the popup view and its label, close box, etc.
- (void)initPopupView {
static const float kWidth = 200.0;
static const float kHeight = 20.0;
static const float kCloseBoxSize = 16.0;
static const float kCloseBoxPaddingY = 2.0;
static const float kLabelPaddingX = 5.0;
NSWindow* window = [[self containingView] window];
// Create it below the parent's bottom edge so we can animate it into place.
NSRect startFrame = NSMakeRect(0.0, -kHeight, kWidth, kHeight);
view_.reset([[BubbleView alloc] initWithFrame:startFrame
themeProvider:window]);
[view_ setAutoresizingMask:NSViewMinXMargin | NSViewMaxYMargin];
[view_ setCornerFlags:kRoundedTopLeftCorner | kRoundedTopRightCorner];
// Create the text label and position it. We'll resize it later when the
// label gets updated. The view owns the label, we only hold a weak reference.
NSRect labelFrame = NSMakeRect(kLabelPaddingX,
0,
startFrame.size.width - kCloseBoxSize,
startFrame.size.height);
popupButton_ = [[[NSPopUpButton alloc] initWithFrame:labelFrame] autorelease];
[popupButton_ setAutoresizingMask:NSViewWidthSizable];
[popupButton_ setBordered:NO];
[popupButton_ setBezelStyle:NSTexturedRoundedBezelStyle];
[popupButton_ setPullsDown:YES];
// TODO(pinkerton): this doesn't work, not sure why.
[popupButton_ setPreferredEdge:NSMaxYEdge];
// TODO(pinkerton): no matter what, the arrows always draw in the middle
// of the button. We can turn off the arrows entirely, but then will the
// user ever know to click it?
[[popupButton_ cell] setArrowPosition:NSPopUpNoArrow];
[[popupButton_ cell] setAltersStateOfSelectedItem:NO];
// If we don't add this, no title will ever display.
[popupButton_ addItemWithTitle:@""];
[view_ addSubview:popupButton_];
// Register for notifications that the menu is about to display so we can
// fill it in lazily
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(showMenu:)
name:NSPopUpButtonCellWillPopUpNotification
object:[popupButton_ cell]];
// Create the close box and position at the left of the view.
NSRect closeFrame = NSMakeRect(startFrame.size.width - kCloseBoxSize,
kCloseBoxPaddingY,
kCloseBoxSize,
kCloseBoxSize);
closeButton_.reset([[HoverCloseButton alloc] initWithFrame:closeFrame]);
[closeButton_ setAutoresizingMask:NSViewMinXMargin];
[closeButton_ setButtonType:NSMomentaryChangeButton];
[closeButton_ setImage:nsimage_cache::ImageNamed(@"close_bar.pdf")];
[closeButton_
setAlternateImage:nsimage_cache::ImageNamed(@"close_bar_p.pdf")];
[closeButton_ setBordered:NO];
[closeButton_ setTarget:self];
[closeButton_ setAction:@selector(closePopup:)];
[view_ addSubview:closeButton_];
}
// Returns the C++ brige object.
- (BlockedPopupContainerView*)bridge {
return bridge_.get();
}
// Returns the parent of the RWHVMac. We insert our popup blocker as a sibling
// so that it stays around as the RWHVMac is created/destroyed during
// navigation.
- (NSView*)containingView {
NSView* view = nil;
if (container_)
view = container_->GetConstrainingContents(NULL)->view()->GetNativeView();
return view;
}
- (void)show {
const float kLeftPadding = 20; // Leave room for the scrollbar.
// No need to do anything if it's already on screen.
if ([view_ superview]) return;
// Position the view at the bottom right corner, always leaving room for the
// scrollbar. This is what window does. It also doesn't care about covering
// up the horizontal scrollbar.
NSView* parent = [self containingView];
NSRect frame = [view_ frame];
frame.origin.x = [parent frame].size.width - frame.size.width - kLeftPadding;
[view_ setFrame:frame];
// Add the view and animate it sliding up into view.
[parent addSubview:view_.get()];
frame.origin.y = 0;
[[view_ animator] setFrame:frame];
}
- (void)hide {
[view_ removeFromSuperview];
}
// Resize the view based on the new label contents. The autoresize mask will
// take care of resizing everything else.
- (void)resizeWithLabel:(NSString*)label {
// It would be nice to teach BubbleView to honor -sizeToFit, but it can't
// really handle the subviews that get added. So just measure the string
// and pad for the views.
NSDictionary* attributes =
[NSDictionary dictionaryWithObjectsAndKeys:
NSFontAttributeName, [view_ font],
nil];
NSSize stringSize = [label sizeWithAttributes:attributes];
// Keep the right edge in the same place.
NSRect frame = [view_ frame];
CGFloat originalWidth = frame.size.width;
frame.size.width =
stringSize.width + [closeButton_ frame].size.width +
[popupButton_ frame].origin.x + kBubbleViewTextPositionX;
frame.origin.x -= frame.size.width - originalWidth;
[view_ setFrame:frame];
}
- (void)update {
size_t blockedNotices = container_->GetBlockedNoticeCount();
size_t blockedItems = container_->GetBlockedPopupCount() + blockedNotices;
NSString* label = nil;
if (!blockedItems) {
label = l10n_util::GetNSString(IDS_POPUPS_UNBLOCKED);
} else if (!blockedNotices) {
label = l10n_util::GetNSStringF(IDS_POPUPS_BLOCKED_COUNT,
UintToString16(blockedItems));
} else {
label = l10n_util::GetNSStringF(IDS_BLOCKED_NOTICE_COUNT,
UintToString16(blockedItems));
}
[self resizeWithLabel:label];
[view_ setContent:label];
}
// Called when the user selects an item from the popup menu. The tag, if below
// |kImpossibleNumberOfPopups| will be the index into the container's popup
// array. In that case, we should display the popup. Otherwise, the tag is
// either a host we should toggle whitelisting on or a notice (for which we do
// nothing as yet).
// |sender| is the NSMenuItem that was chosen.
- (void)menuAction:(id)sender {
size_t tag = static_cast<size_t>([sender tag]);
// Is this a click on a popup?
if (tag < BlockedPopupContainer::kImpossibleNumberOfPopups) {
container_->LaunchPopupAtIndex(tag);
return;
}
tag -= BlockedPopupContainer::kImpossibleNumberOfPopups;
// Is this a click on a host?
size_t hostCount = container_->GetPopupHostCount();
if (tag < hostCount) {
container_->ToggleWhitelistingForHost(tag);
return;
}
tag -= hostCount;
// Nothing to do for now for notices.
}
namespace {
void GetURLAndTitleForPopup(
const BlockedPopupContainer* container,
size_t index,
string16* url,
string16* title) {
DCHECK(url);
DCHECK(title);
TabContents* tab_contents = container->GetTabContentsAt(index);
const GURL& tab_contents_url = tab_contents->GetURL().GetOrigin();
*url = UTF8ToUTF16(tab_contents_url.possibly_invalid_spec());
*title = tab_contents->GetTitle();
}
} // namespace
// Build a new popup menu from scratch. The menu contains the blocked popups
// (tags being the popup's index), followed by the list of hosts from which
// the popups were blocked (tags being |kImpossibleNumberOfPopups| + host
// index). The hosts are used to toggle whitelisting for a site.
- (NSMenu*)buildMenu {
NSMenu* menu = [[[NSMenu alloc] init] autorelease];
// For pop-down menus, the first item is what is displayed while tracking the
// menu and it remains there if nothing is selected. Set it to the
// current title.
NSString* currentTitle = [popupButton_ title];
scoped_nsobject<NSMenuItem> dummy(
[[NSMenuItem alloc] initWithTitle:currentTitle
action:nil
keyEquivalent:@""]);
[menu addItem:dummy.get()];
// Add the list of blocked popups titles to the menu. We set the array index
// as the tag for use in the menu action rather than relying on the menu item
// index.
const size_t count = container_->GetBlockedPopupCount();
for (size_t i = 0; i < count; ++i) {
string16 url, title;
GetURLAndTitleForPopup(container_, i, &url, &title);
NSString* titleStr =
l10n_util::GetNSStringF(IDS_POPUP_TITLE_FORMAT, url, title);
scoped_nsobject<NSMenuItem> item(
[[NSMenuItem alloc] initWithTitle:titleStr
action:@selector(menuAction:)
keyEquivalent:@""]);
[item setTag:i];
[item setTarget:self];
[menu addItem:item.get()];
}
// Add the list of hosts. We begin tagging these at
// |kImpossibleNumberOfPopups|. If whitelisting has already been enabled
// for a site, mark it with a checkmark.
std::vector<std::string> hosts(container_->GetHosts());
if (!hosts.empty() && count)
[menu addItem:[NSMenuItem separatorItem]];
size_t first_host = BlockedPopupContainer::kImpossibleNumberOfPopups;
for (size_t i = 0; i < hosts.size(); ++i) {
NSString* titleStr =
l10n_util::GetNSStringF(IDS_POPUP_HOST_FORMAT, UTF8ToUTF16(hosts[i]));
scoped_nsobject<NSMenuItem> item(
[[NSMenuItem alloc] initWithTitle:titleStr
action:@selector(menuAction:)
keyEquivalent:@""]);
if (container_->IsHostWhitelisted(i))
[item setState:NSOnState];
[item setTag:first_host + i];
[item setTarget:self];
[menu addItem:item.get()];
}
// Add the list of notices. We begin tagging these at
// |kImpossibleNumberOfPopups + hosts.size()|.
size_t notice_count = container_->GetBlockedNoticeCount();
if (notice_count && (!hosts.empty() || count))
[menu addItem:[NSMenuItem separatorItem]];
size_t first_notice = first_host + hosts.size();
for (size_t i = 0; i < notice_count; ++i) {
std::string host;
string16 reason;
container_->GetHostAndReasonForNotice(i, &host, &reason);
NSString* titleStr =
l10n_util::GetNSStringF(IDS_NOTICE_TITLE_FORMAT, UTF8ToUTF16(host));
scoped_nsobject<NSMenuItem> item(
[[NSMenuItem alloc] initWithTitle:titleStr
action:@selector(menuAction:)
keyEquivalent:@""]);
[item setTag:first_notice + i];
[item setTarget:self];
[menu addItem:item.get()];
}
return menu;
}
// Called when the popup button is about to display the menu, giving us a
// chance to fill in the contents.
- (void)showMenu:(NSNotification*)notify {
NSMenu* menu = [self buildMenu];
[[notify object] setMenu:menu];
}
// Only used for testing.
- (BubbleView*)view {
return view_.get();
}
// Only used for testing.
- (void)setContainer:(BlockedPopupContainer*)container {
container_ = container;
}
@end
//---------------------------------------------------------------------------
BlockedPopupContainerView* BlockedPopupContainerView::Create(
BlockedPopupContainer* container) {
// We "leak" |blocker| for now, we'll release it when the bridge class
// gets a Destroy() message.
BlockedPopupContainerController* blocker =
[[BlockedPopupContainerController alloc] initWithContainer:container];
return [blocker bridge];
}
BlockedPopupContainerViewBridge::BlockedPopupContainerViewBridge(
BlockedPopupContainerController* controller) {
controller_ = controller;
}
BlockedPopupContainerViewBridge::~BlockedPopupContainerViewBridge() {
}
void BlockedPopupContainerViewBridge::SetPosition() {
// Doesn't ever get called, also a no-op on GTK.
NOTIMPLEMENTED();
}
void BlockedPopupContainerViewBridge::ShowView() {
[controller_ show];
}
void BlockedPopupContainerViewBridge::UpdateLabel() {
[controller_ update];
}
void BlockedPopupContainerViewBridge::HideView() {
[controller_ hide];
}
void BlockedPopupContainerViewBridge::Destroy() {
[controller_ autorelease];
}
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