cef/libcef/browser/browser_host_impl_mac.mm

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// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 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 "libcef/browser/browser_host_impl.h"
#import <Cocoa/Cocoa.h>
#import <CoreServices/CoreServices.h>
#include "base/file_util.h"
#include "base/mac/mac_util.h"
#include "base/string_util.h"
#include "base/sys_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "content/public/common/file_chooser_params.h"
#include "grit/ui_strings.h"
#include "net/base/mime_util.h"
#import "ui/base/cocoa/underlay_opengl_hosting_window.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/rect.h"
// Wrapper NSView for the native view. Necessary to destroy the browser when
// the view is deleted.
@interface CefBrowserHostView : NSView {
@private
CefBrowserHostImpl* browser_; // weak
bool is_in_onsetfocus_;
}
@property (nonatomic, assign) CefBrowserHostImpl* browser;
@end
@implementation CefBrowserHostView
@synthesize browser = browser_;
- (void) dealloc {
if (browser_) {
browser_->DestroyBrowser();
browser_->Release();
}
[super dealloc];
}
- (BOOL)acceptsFirstResponder {
return browser_ && browser_->GetWebContents();
}
- (BOOL)becomeFirstResponder {
if (browser_ && browser_->GetWebContents()) {
// Avoid re-entering OnSetFocus.
if (!is_in_onsetfocus_) {
is_in_onsetfocus_ = true;
browser_->OnSetFocus(FOCUS_SOURCE_SYSTEM);
is_in_onsetfocus_ = false;
}
}
return YES;
}
@end
namespace {
// Accept-types to file-types helper.
NSMutableArray* GetFileTypesFromAcceptTypes(
const std::vector<string16>& accept_types) {
NSMutableArray* acceptArray = [[NSMutableArray alloc] init];
for (size_t i=0; i<accept_types.size(); i++) {
std::string ascii_type = UTF16ToASCII(accept_types[i]);
if (ascii_type.length()) {
// Just treat as extension if contains '.' as the first character.
if (ascii_type[0] == '.') {
[acceptArray addObject:base::SysUTF8ToNSString(ascii_type.substr(1))];
} else {
// Otherwise convert mime type to one or more extensions.
std::vector<FilePath::StringType> ext;
net::GetExtensionsForMimeType(ascii_type, &ext);
for (size_t x = 0; x < ext.size(); ++x)
[acceptArray addObject:base::SysUTF8ToNSString(ext[x])];
}
}
}
return acceptArray;
}
void RunOpenFileDialog(const content::FileChooserParams& params,
NSView* view,
std::vector<FilePath>* files) {
NSOpenPanel* openPanel = [NSOpenPanel openPanel];
string16 title;
if (!params.title.empty()) {
title = params.title;
} else {
title = l10n_util::GetStringUTF16(
params.mode == content::FileChooserParams::Open ?
IDS_OPEN_FILE_DIALOG_TITLE : IDS_OPEN_FILES_DIALOG_TITLE);
}
[openPanel setTitle:base::SysUTF16ToNSString(title)];
// Consider default file name if any.
FilePath default_file_name(params.default_file_name);
if (!default_file_name.empty()) {
if (!default_file_name.BaseName().empty()) {
NSString* defaultName = base::SysUTF8ToNSString(
default_file_name.BaseName().value());
[openPanel setNameFieldStringValue:defaultName];
}
if (!default_file_name.DirName().empty()) {
NSString* defaultDir = base::SysUTF8ToNSString(
default_file_name.DirName().value());
[openPanel setDirectoryURL:[NSURL fileURLWithPath:defaultDir]];
}
}
// Consider supported file types
if (!params.accept_types.empty()) {
[openPanel setAllowedFileTypes:GetFileTypesFromAcceptTypes(
params.accept_types)];
}
// Further panel configuration.
[openPanel setAllowsOtherFileTypes:YES];
[openPanel setAllowsMultipleSelection:
(params.mode == content::FileChooserParams::OpenMultiple)];
[openPanel setCanChooseFiles:YES];
[openPanel setCanChooseDirectories:NO];
// Show panel.
[openPanel beginSheetModalForWindow:[view window] completionHandler:nil];
if ([openPanel runModal] == NSFileHandlingPanelOKButton) {
NSArray *urls = [openPanel URLs];
int i, count = [urls count];
for (i=0; i<count; i++) {
NSURL* url = [urls objectAtIndex:i];
if ([url isFileURL])
files->push_back(FilePath(base::SysNSStringToUTF8([url path])));
}
}
[NSApp endSheet:openPanel];
}
bool RunSaveFileDialog(const content::FileChooserParams& params,
NSView* view,
FilePath* file) {
NSSavePanel* savePanel = [NSSavePanel savePanel];
string16 title;
if (!params.title.empty())
title = params.title;
else
title = l10n_util::GetStringUTF16(IDS_SAVE_AS_DIALOG_TITLE);
[savePanel setTitle:base::SysUTF16ToNSString(title)];
// Consider default file name if any.
FilePath default_file_name(params.default_file_name);
if (!default_file_name.empty()) {
if (!default_file_name.BaseName().empty()) {
NSString* defaultName = base::SysUTF8ToNSString(
default_file_name.BaseName().value());
[savePanel setNameFieldStringValue:defaultName];
}
if (!default_file_name.DirName().empty()) {
NSString* defaultDir = base::SysUTF8ToNSString(
default_file_name.DirName().value());
[savePanel setDirectoryURL:[NSURL fileURLWithPath:defaultDir]];
}
}
// Consider supported file types
if (!params.accept_types.empty()) {
[savePanel setAllowedFileTypes:GetFileTypesFromAcceptTypes(
params.accept_types)];
}
[savePanel setAllowsOtherFileTypes:YES];
bool success = false;
[savePanel beginSheetModalForWindow:[view window] completionHandler:nil];
if ([savePanel runModal] == NSFileHandlingPanelOKButton) {
NSURL * url = [savePanel URL];
NSString* path = [url path];
*file = FilePath([path UTF8String]);
success = true;
}
[NSApp endSheet:savePanel];
return success;
}
} // namespace
bool CefBrowserHostImpl::PlatformViewText(const std::string& text) {
NOTIMPLEMENTED();
return false;
}
bool CefBrowserHostImpl::PlatformCreateWindow() {
NSWindow* newWnd = nil;
NSView* parentView = window_info_.parent_view;
NSRect contentRect = {{window_info_.x, window_info_.y},
{window_info_.width, window_info_.height}};
if (parentView == nil) {
// Create a new window.
NSRect screen_rect = [[NSScreen mainScreen] visibleFrame];
NSRect window_rect = {{window_info_.x,
screen_rect.size.height - window_info_.y},
{window_info_.width, window_info_.height}};
if (window_rect.size.width == 0)
window_rect.size.width = 750;
if (window_rect.size.height == 0)
window_rect.size.height = 750;
contentRect.origin.x = 0;
contentRect.origin.y = 0;
contentRect.size.width = window_rect.size.width;
contentRect.size.height = window_rect.size.height;
newWnd = [[UnderlayOpenGLHostingWindow alloc]
initWithContentRect:window_rect
styleMask:(NSTitledWindowMask |
NSClosableWindowMask |
NSMiniaturizableWindowMask |
NSResizableWindowMask |
NSUnifiedTitleAndToolbarWindowMask )
backing:NSBackingStoreBuffered
defer:NO];
parentView = [newWnd contentView];
window_info_.parent_view = parentView;
}
// Add a reference that will be released in the dealloc handler.
AddRef();
// Create the browser view.
CefBrowserHostView* browser_view =
[[CefBrowserHostView alloc] initWithFrame:contentRect];
browser_view.browser = this;
[parentView addSubview:browser_view];
[browser_view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
[browser_view setNeedsDisplay:YES];
[browser_view release];
// Parent the TabContents to the browser view.
const NSRect bounds = [browser_view bounds];
NSView* native_view = web_contents_->GetView()->GetNativeView();
[browser_view addSubview:native_view];
[native_view setFrame:bounds];
[native_view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
[native_view setNeedsDisplay:YES];
window_info_.view = browser_view;
if (newWnd != nil && !window_info_.hidden) {
// Show the window.
[newWnd makeKeyAndOrderFront: nil];
}
return true;
}
void CefBrowserHostImpl::PlatformCloseWindow() {
if (window_info_.view != nil) {
[[window_info_.view window] performSelector:@selector(performClose:)
withObject:nil
afterDelay:0];
}
}
void CefBrowserHostImpl::PlatformSizeTo(int width, int height) {
// Not needed; subviews are bound.
}
CefWindowHandle CefBrowserHostImpl::PlatformGetWindowHandle() {
return window_info_.view;
}
void CefBrowserHostImpl::PlatformHandleKeyboardEvent(
const content::NativeWebKeyboardEvent& event) {
// Give the top level menu equivalents a chance to handle the event.
if ([event.os_event type] == NSKeyDown)
[[NSApp mainMenu] performKeyEquivalent:event.os_event];
}
void CefBrowserHostImpl::PlatformRunFileChooser(
const content::FileChooserParams& params,
RunFileChooserCallback callback) {
std::vector<FilePath> files;
if (params.mode == content::FileChooserParams::Open ||
params.mode == content::FileChooserParams::OpenMultiple) {
RunOpenFileDialog(params, PlatformGetWindowHandle(), &files);
} else if (params.mode == content::FileChooserParams::Save) {
FilePath file;
if (RunSaveFileDialog(params, PlatformGetWindowHandle(), &file))
files.push_back(file);
} else {
NOTIMPLEMENTED();
}
callback.Run(files);
}
void CefBrowserHostImpl::PlatformHandleExternalProtocol(const GURL& url) {
}