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Diffstat (limited to 'chrome/browser/cocoa/hung_renderer_controller.mm')
| -rw-r--r-- | chrome/browser/cocoa/hung_renderer_controller.mm | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/chrome/browser/cocoa/hung_renderer_controller.mm b/chrome/browser/cocoa/hung_renderer_controller.mm new file mode 100644 index 0000000..74ddff5 --- /dev/null +++ b/chrome/browser/cocoa/hung_renderer_controller.mm @@ -0,0 +1,203 @@ +// Copyright (c) 2010 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/hung_renderer_controller.h" + +#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/multi_key_equivalent_button.h" +#include "chrome/browser/renderer_host/render_process_host.h" +#include "chrome/browser/renderer_host/render_view_host.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/app_resources.h" +#include "grit/generated_resources.h" +#include "grit/theme_resources.h" +#include "skia/ext/skia_utils_mac.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); + [tableView_ setDataSource:nil]; + [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]; + + // Make the "wait" button respond to additional keys. By setting this to + // @"\e", it will respond to both Esc and Command-. (period). + KeyEquivalentAndModifierMask key; + key.charCode = @"\e"; + [waitButton_ addKeyEquivalent:key]; +} + +- (IBAction)kill:(id)sender { + if (hungContents_) + base::KillProcess(hungContents_->GetRenderProcessHost()->GetHandle(), + 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]; +} + +- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView { + return [hungTitles_ count]; +} + +- (id)tableView:(NSTableView*)aTableView + objectValueForTableColumn:(NSTableColumn*)column + row:(NSInteger)rowIndex { + return [NSNumber numberWithInt:NSOffState]; +} + +- (NSCell*)tableView:(NSTableView*)tableView + dataCellForTableColumn:(NSTableColumn*)tableColumn + row:(NSInteger)rowIndex { + NSCell* cell = [tableColumn dataCellForRow:rowIndex]; + + if ([[tableColumn identifier] isEqualToString:@"title"]) { + DCHECK([cell isKindOfClass:[NSButtonCell class]]); + NSButtonCell* buttonCell = static_cast<NSButtonCell*>(cell); + [buttonCell setTitle:[hungTitles_ objectAtIndex:rowIndex]]; + [buttonCell setImage:[hungFavicons_ objectAtIndex:rowIndex]]; + [buttonCell setRefusesFirstResponder:YES]; // Don't push in like a button. + [buttonCell setHighlightsBy:NSNoCellMask]; + } + return cell; +} + +- (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 + // hung_renderer_dialog::ShowForTabContents() between the autorelease + // call and the actual dealloc. + g_instance = nil; + + [self autorelease]; +} + +- (void)showForTabContents:(TabContents*)contents { + DCHECK(contents); + hungContents_ = contents; + scoped_nsobject<NSMutableArray> titles([[NSMutableArray alloc] init]); + scoped_nsobject<NSMutableArray> favicons([[NSMutableArray alloc] init]); + for (TabContentsIterator it; !it.done(); ++it) { + if (it->GetRenderProcessHost() == hungContents_->GetRenderProcessHost()) { + string16 title = (*it)->GetTitle(); + if (title.empty()) + title = TabContents::GetDefaultTitle(); + [titles addObject:base::SysUTF16ToNSString(title)]; + + // TabContents can return a null SkBitmap if it has no favicon. If this + // happens, use the default favicon. + const SkBitmap& bitmap = it->GetFavIcon(); + if (!bitmap.isNull()) { + [favicons addObject:gfx::SkBitmapToNSImage(bitmap)]; + } else { + ResourceBundle& rb = ResourceBundle::GetSharedInstance(); + [favicons addObject:rb.GetNSImageNamed(IDR_DEFAULT_FAVICON)]; + } + } + } + hungTitles_.reset([titles copy]); + hungFavicons_.reset([favicons copy]); + [tableView_ reloadData]; + + [[self window] center]; + [self showWindow:self]; +} + +- (void)endForTabContents:(TabContents*)contents { + DCHECK(contents); + DCHECK(hungContents_); + if (hungContents_ && hungContents_->GetRenderProcessHost() == + contents->GetRenderProcessHost()) { + // Cannot call performClose:, because the close button is disabled. + [self close]; + } +} + +@end + +@implementation HungRendererController (JustForTesting) +- (NSButton*)killButton { + return killButton_; +} + +- (MultiKeyEquivalentButton*)waitButton { + return waitButton_; +} +@end + +namespace hung_renderer_dialog { + +void ShowForTabContents(TabContents* contents) { + if (!logging::DialogsAreSuppressed()) { + if (!g_instance) + g_instance = [[HungRendererController alloc] + initWithWindowNibName:@"HungRendererDialog"]; + [g_instance showForTabContents:contents]; + } +} + +// static +void HideForTabContents(TabContents* contents) { + if (!logging::DialogsAreSuppressed() && g_instance) + [g_instance endForTabContents:contents]; +} + +} // namespace hung_renderer_dialog |