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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 <Cocoa/Cocoa.h>
#include "app/resource_bundle.h"
#include "app/l10n_util_mac.h"
#include "base/mac_util.h"
#include "base/process_util.h"
#include "base/sys_string_conversions.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/hung_renderer_dialog.h"
#import "chrome/browser/cocoa/hung_renderer_controller.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/result_codes.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
namespace {
// We only support showing one of these at a time per app. The
// controller owns itself and is released when its window is closed.
HungRendererController* g_instance = NULL;
} // end namespace
@implementation HungRendererController
- (id)initWithWindowNibName:(NSString*)nibName {
NSString* nibpath = [mac_util::MainAppBundle() pathForResource:nibName
ofType:@"nib"];
self = [super initWithWindowNibPath:nibpath owner:self];
if (self) {
[tableView_ setDataSource:self];
}
return self;
}
- (void)dealloc {
DCHECK(!g_instance);
[super dealloc];
}
- (void)awakeFromNib {
// Load in the image
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
NSImage* backgroundImage = rb.GetNSImageNamed(IDR_FROZEN_TAB_ICON);
DCHECK(backgroundImage);
[imageView_ setImage:backgroundImage];
// Make the message fit.
CGFloat messageShift =
[GTMUILocalizerAndLayoutTweaker sizeToFitFixedWidthTextField:messageView_];
// Move the graphic up to be top even with the message.
NSRect graphicFrame = [imageView_ frame];
graphicFrame.origin.y += messageShift;
[imageView_ setFrame:graphicFrame];
// Make the window taller to fit everything.
NSSize windowDelta = NSMakeSize(0, messageShift);
[GTMUILocalizerAndLayoutTweaker
resizeWindowWithoutAutoResizingSubViews:[self window]
delta:windowDelta];
}
- (IBAction)kill:(id)sender {
if (hungContents_)
base::KillProcess(hungContents_->process()->process().handle(),
ResultCodes::HUNG, false);
// Cannot call performClose:, because the close button is disabled.
[self close];
}
- (IBAction)wait:(id)sender {
if (hungContents_ && hungContents_->render_view_host())
hungContents_->render_view_host()->RestartHangMonitorTimeout();
// Cannot call performClose:, because the close button is disabled.
[self close];
}
- (int)numberOfRowsInTableView:(NSTableView *)aTableView {
return hungRenderers_.size();
}
- (id)tableView:(NSTableView*)aTableView
objectValueForTableColumn:(NSTableColumn*)column
row:(int)rowIndex {
// TODO(rohitrao): Add favicons.
TabContents* contents = hungRenderers_[rowIndex];
string16 title = contents->GetTitle();
if (!title.empty())
return base::SysUTF16ToNSString(title);
return l10n_util::GetNSStringWithFixup(IDS_TAB_UNTITLED_TITLE);
}
- (void)windowWillClose:(NSNotification*)notification {
// We have to reset g_instance before autoreleasing the window,
// because we want to avoid reusing the same dialog if someone calls
// HungRendererDialog::ShowForTabContents() between the autorelease
// call and the actual dealloc.
g_instance = nil;
[self autorelease];
}
- (void)showForTabContents:(TabContents*)contents {
DCHECK(contents);
hungContents_ = contents;
hungRenderers_.clear();
for (TabContentsIterator it; !it.done(); ++it) {
if (it->process() == hungContents_->process())
hungRenderers_.push_back(*it);
}
[tableView_ reloadData];
[[self window] center];
[self showWindow:self];
}
- (void)endForTabContents:(TabContents*)contents {
DCHECK(contents);
DCHECK(hungContents_);
if (hungContents_ && hungContents_->process() == contents->process()) {
// Cannot call performClose:, because the close button is disabled.
[self close];
}
}
@end
@implementation HungRendererController (JustForTesting)
- (NSButton*)killButton {
return killButton_;
}
- (NSButton*)waitButton {
return waitButton_;
}
@end
// static
void HungRendererDialog::ShowForTabContents(TabContents* contents) {
if (!logging::DialogsAreSuppressed()) {
if (!g_instance)
g_instance = [[HungRendererController alloc]
initWithWindowNibName:@"HungRendererDialog"];
[g_instance showForTabContents:contents];
}
}
// static
void HungRendererDialog::HideForTabContents(TabContents* contents) {
if (!logging::DialogsAreSuppressed() && g_instance)
[g_instance endForTabContents:contents];
}
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