1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #import "chrome/browser/ui/cocoa/hung_renderer_controller.h"
7 #import <Cocoa/Cocoa.h>
9 #include "base/mac/bundle_locations.h"
10 #include "base/process/process.h"
11 #include "base/strings/sys_string_conversions.h"
12 #include "chrome/browser/favicon/favicon_tab_helper.h"
13 #import "chrome/browser/ui/cocoa/multi_key_equivalent_button.h"
14 #import "chrome/browser/ui/cocoa/tab_contents/favicon_util_mac.h"
15 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
16 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
17 #include "chrome/common/logging_chrome.h"
18 #include "content/public/browser/render_process_host.h"
19 #include "content/public/browser/render_view_host.h"
20 #include "content/public/browser/web_contents.h"
21 #include "content/public/common/result_codes.h"
22 #include "grit/theme_resources.h"
23 #include "skia/ext/skia_utils_mac.h"
24 #include "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
25 #include "ui/base/l10n/l10n_util_mac.h"
26 #include "ui/base/resource/resource_bundle.h"
27 #include "ui/gfx/image/image.h"
29 using content::WebContents;
32 // We only support showing one of these at a time per app. The
33 // controller owns itself and is released when its window is closed.
34 HungRendererController* g_instance = NULL;
37 class HungRendererWebContentsObserverBridge
38 : public content::WebContentsObserver {
40 HungRendererWebContentsObserverBridge(WebContents* web_contents,
41 HungRendererController* controller)
42 : content::WebContentsObserver(web_contents),
43 controller_(controller) {
47 // WebContentsObserver overrides:
48 void RenderProcessGone(base::TerminationStatus status) override {
49 [controller_ renderProcessGone];
51 void WebContentsDestroyed() override { [controller_ renderProcessGone]; }
54 HungRendererController* controller_; // weak
56 DISALLOW_COPY_AND_ASSIGN(HungRendererWebContentsObserverBridge);
59 @implementation HungRendererController
61 - (id)initWithWindowNibName:(NSString*)nibName {
62 NSString* nibpath = [base::mac::FrameworkBundle() pathForResource:nibName
64 self = [super initWithWindowNibPath:nibpath owner:self];
66 [tableView_ setDataSource:self];
73 [tableView_ setDataSource:nil];
74 [tableView_ setDelegate:nil];
75 [killButton_ setTarget:nil];
76 [waitButton_ setTarget:nil];
80 - (void)awakeFromNib {
82 ResourceBundle& rb = ResourceBundle::GetSharedInstance();
83 NSImage* backgroundImage =
84 rb.GetNativeImageNamed(IDR_FROZEN_TAB_ICON).ToNSImage();
85 [imageView_ setImage:backgroundImage];
87 // Make the message fit.
88 CGFloat messageShift =
89 [GTMUILocalizerAndLayoutTweaker sizeToFitFixedWidthTextField:messageView_];
91 // Move the graphic up to be top even with the message.
92 NSRect graphicFrame = [imageView_ frame];
93 graphicFrame.origin.y += messageShift;
94 [imageView_ setFrame:graphicFrame];
96 // Make the window taller to fit everything.
97 NSSize windowDelta = NSMakeSize(0, messageShift);
98 [GTMUILocalizerAndLayoutTweaker
99 resizeWindowWithoutAutoResizingSubViews:[self window]
102 // Make the "wait" button respond to additional keys. By setting this to
103 // @"\e", it will respond to both Esc and Command-. (period).
104 KeyEquivalentAndModifierMask key;
105 key.charCode = @"\e";
106 [waitButton_ addKeyEquivalent:key];
109 + (void)showForWebContents:(content::WebContents*)contents {
110 if (!logging::DialogsAreSuppressed()) {
112 g_instance = [[HungRendererController alloc]
113 initWithWindowNibName:@"HungRendererDialog"];
114 [g_instance showForWebContents:contents];
118 + (void)endForWebContents:(content::WebContents*)contents {
119 if (!logging::DialogsAreSuppressed() && g_instance)
120 [g_instance endForWebContents:contents];
123 - (IBAction)kill:(id)sender {
125 base::Process process = base::Process::DeprecatedGetProcessFromHandle(
126 hungContents_->GetRenderProcessHost()->GetHandle());
127 process.Terminate(content::RESULT_CODE_HUNG, false);
129 // Cannot call performClose:, because the close button is disabled.
133 - (IBAction)wait:(id)sender {
134 if (hungContents_ && hungContents_->GetRenderViewHost())
135 hungContents_->GetRenderViewHost()->RestartHangMonitorTimeout();
136 // Cannot call performClose:, because the close button is disabled.
140 - (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView {
141 return [hungTitles_ count];
144 - (id)tableView:(NSTableView*)aTableView
145 objectValueForTableColumn:(NSTableColumn*)column
146 row:(NSInteger)rowIndex {
147 return [NSNumber numberWithInt:NSOffState];
150 - (NSCell*)tableView:(NSTableView*)tableView
151 dataCellForTableColumn:(NSTableColumn*)tableColumn
152 row:(NSInteger)rowIndex {
153 NSCell* cell = [tableColumn dataCellForRow:rowIndex];
155 if ([[tableColumn identifier] isEqualToString:@"title"]) {
156 DCHECK([cell isKindOfClass:[NSButtonCell class]]);
157 NSButtonCell* buttonCell = static_cast<NSButtonCell*>(cell);
158 [buttonCell setTitle:[hungTitles_ objectAtIndex:rowIndex]];
159 [buttonCell setImage:[hungFavicons_ objectAtIndex:rowIndex]];
160 [buttonCell setRefusesFirstResponder:YES]; // Don't push in like a button.
161 [buttonCell setHighlightsBy:NSNoCellMask];
166 - (void)windowWillClose:(NSNotification*)notification {
167 // We have to reset g_instance before autoreleasing the window,
168 // because we want to avoid reusing the same dialog if someone calls
169 // chrome::ShowHungRendererDialog() between the autorelease call and the
173 // Prevent kills from happening after close if the user had the
174 // button depressed just when new activity was detected.
175 hungContents_ = NULL;
180 // TODO(shess): This could observe all of the tabs referenced in the
181 // loop, updating the dialog and keeping it up so long as any remain.
182 // Tabs closed by their renderer will close the dialog (that's
183 // activity!), so it would not add much value. Also, the views
184 // implementation only monitors the initiating tab.
185 - (void)showForWebContents:(WebContents*)contents {
187 hungContents_ = contents;
188 hungContentsObserver_.reset(
189 new HungRendererWebContentsObserverBridge(contents, self));
190 base::scoped_nsobject<NSMutableArray> titles([[NSMutableArray alloc] init]);
191 base::scoped_nsobject<NSMutableArray> favicons([[NSMutableArray alloc] init]);
192 for (TabContentsIterator it; !it.done(); it.Next()) {
193 if (it->GetRenderProcessHost() == hungContents_->GetRenderProcessHost()) {
194 base::string16 title = it->GetTitle();
196 title = CoreTabHelper::GetDefaultTitle();
197 [titles addObject:base::SysUTF16ToNSString(title)];
198 [favicons addObject:mac::FaviconForWebContents(*it)];
201 hungTitles_.reset([titles copy]);
202 hungFavicons_.reset([favicons copy]);
203 [tableView_ reloadData];
205 [[self window] center];
206 [self showWindow:self];
209 - (void)endForWebContents:(WebContents*)contents {
211 DCHECK(hungContents_);
212 if (hungContents_ && hungContents_->GetRenderProcessHost() ==
213 contents->GetRenderProcessHost()) {
214 // Cannot call performClose:, because the close button is disabled.
219 - (void)renderProcessGone {
220 // Cannot call performClose:, because the close button is disabled.
226 @implementation HungRendererController (JustForTesting)
227 - (NSButton*)killButton {
231 - (MultiKeyEquivalentButton*)waitButton {