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Diffstat (limited to 'chrome/browser/cocoa/web_drag_source.mm')
| -rw-r--r-- | chrome/browser/cocoa/web_drag_source.mm | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/chrome/browser/cocoa/web_drag_source.mm b/chrome/browser/cocoa/web_drag_source.mm deleted file mode 100644 index 95ab0d1..0000000 --- a/chrome/browser/cocoa/web_drag_source.mm +++ /dev/null @@ -1,412 +0,0 @@ -// 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/web_drag_source.h" - -#include "base/file_path.h" -#include "base/nsimage_cache_mac.h" -#include "base/string_util.h" -#include "base/sys_string_conversions.h" -#include "base/task.h" -#include "base/thread.h" -#include "base/utf_string_conversions.h" -#include "chrome/browser/browser_process.h" -#include "chrome/browser/download/download_manager.h" -#include "chrome/browser/download/download_util.h" -#include "chrome/browser/download/drag_download_file.h" -#include "chrome/browser/download/drag_download_util.h" -#include "chrome/browser/renderer_host/render_view_host.h" -#include "chrome/browser/tab_contents/tab_contents.h" -#include "chrome/browser/tab_contents/tab_contents_view_mac.h" -#include "net/base/file_stream.h" -#include "net/base/net_util.h" -#import "third_party/mozilla/NSPasteboard+Utils.h" -#include "webkit/glue/webdropdata.h" - -using base::SysNSStringToUTF8; -using base::SysUTF8ToNSString; -using base::SysUTF16ToNSString; -using net::FileStream; - - -namespace { - -// An unofficial standard pasteboard title type to be provided alongside the -// |NSURLPboardType|. -NSString* const kNSURLTitlePboardType = @"public.url-name"; - -// Returns a filename appropriate for the drop data -// TODO(viettrungluu): Refactor to make it common across platforms, -// and move it somewhere sensible. -FilePath GetFileNameFromDragData(const WebDropData& drop_data) { - // Images without ALT text will only have a file extension so we need to - // synthesize one from the provided extension and URL. - FilePath file_name([SysUTF16ToNSString(drop_data.file_description_filename) - fileSystemRepresentation]); - file_name = file_name.BaseName().RemoveExtension(); - - if (file_name.empty()) { - // Retrieve the name from the URL. - file_name = net::GetSuggestedFilename(drop_data.url, "", "", FilePath()); - } - - file_name = file_name.ReplaceExtension([SysUTF16ToNSString( - drop_data.file_extension) fileSystemRepresentation]); - - return file_name; -} - -// This class's sole task is to write out data for a promised file; the caller -// is responsible for opening the file. -class PromiseWriterTask : public Task { - public: - // Assumes ownership of file_stream. - PromiseWriterTask(const WebDropData& drop_data, - FileStream* file_stream); - virtual ~PromiseWriterTask(); - virtual void Run(); - - private: - WebDropData drop_data_; - - // This class takes ownership of file_stream_ and will close and delete it. - scoped_ptr<FileStream> file_stream_; -}; - -// Takes the drop data and an open file stream (which it takes ownership of and -// will close and delete). -PromiseWriterTask::PromiseWriterTask(const WebDropData& drop_data, - FileStream* file_stream) : - drop_data_(drop_data) { - file_stream_.reset(file_stream); - DCHECK(file_stream_.get()); -} - -PromiseWriterTask::~PromiseWriterTask() { - DCHECK(file_stream_.get()); - if (file_stream_.get()) - file_stream_->Close(); -} - -void PromiseWriterTask::Run() { - CHECK(file_stream_.get()); - file_stream_->Write(drop_data_.file_contents.data(), - drop_data_.file_contents.length(), - NULL); - - // Let our destructor take care of business. -} - -} // namespace - - -@interface WebDragSource(Private) - -- (void)fillPasteboard; -- (NSImage*)dragImage; - -@end // @interface WebDragSource(Private) - - -@implementation WebDragSource - -- (id)initWithContentsView:(TabContentsViewCocoa*)contentsView - dropData:(const WebDropData*)dropData - image:(NSImage*)image - offset:(NSPoint)offset - pasteboard:(NSPasteboard*)pboard - dragOperationMask:(NSDragOperation)dragOperationMask { - if ((self = [super init])) { - contentsView_ = contentsView; - DCHECK(contentsView_); - - dropData_.reset(new WebDropData(*dropData)); - DCHECK(dropData_.get()); - - dragImage_.reset([image retain]); - imageOffset_ = offset; - - pasteboard_.reset([pboard retain]); - DCHECK(pasteboard_.get()); - - dragOperationMask_ = dragOperationMask; - - [self fillPasteboard]; - } - - return self; -} - -- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal { - return dragOperationMask_; -} - -- (void)lazyWriteToPasteboard:(NSPasteboard*)pboard forType:(NSString*)type { - // NSHTMLPboardType requires the character set to be declared. Otherwise, it - // assumes US-ASCII. Awesome. - static const string16 kHtmlHeader = - ASCIIToUTF16("<meta http-equiv=\"Content-Type\" " - "content=\"text/html;charset=UTF-8\">"); - - // Be extra paranoid; avoid crashing. - if (!dropData_.get()) { - NOTREACHED() << "No drag-and-drop data available for lazy write."; - return; - } - - // HTML. - if ([type isEqualToString:NSHTMLPboardType]) { - DCHECK(!dropData_->text_html.empty()); - // See comment on |kHtmlHeader| above. - [pboard setString:SysUTF16ToNSString(kHtmlHeader + dropData_->text_html) - forType:NSHTMLPboardType]; - - // URL. - } else if ([type isEqualToString:NSURLPboardType]) { - DCHECK(dropData_->url.is_valid()); - NSURL* url = [NSURL URLWithString:SysUTF8ToNSString(dropData_->url.spec())]; - [url writeToPasteboard:pboard]; - - // URL title. - } else if ([type isEqualToString:kNSURLTitlePboardType]) { - [pboard setString:SysUTF16ToNSString(dropData_->url_title) - forType:kNSURLTitlePboardType]; - - // File contents. - } else if ([type isEqualToString:NSFileContentsPboardType] || - [type isEqualToString:NSCreateFileContentsPboardType( - SysUTF16ToNSString(dropData_->file_extension))]) { - // TODO(viettrungluu: find something which is known to accept - // NSFileContentsPboardType to check that this actually works! - scoped_nsobject<NSFileWrapper> file_wrapper( - [[NSFileWrapper alloc] initRegularFileWithContents:[NSData - dataWithBytes:dropData_->file_contents.data() - length:dropData_->file_contents.length()]]); - [file_wrapper setPreferredFilename:SysUTF8ToNSString( - GetFileNameFromDragData(*dropData_).value())]; - [pboard writeFileWrapper:file_wrapper]; - - // TIFF. - } else if ([type isEqualToString:NSTIFFPboardType]) { - // TODO(viettrungluu): This is a bit odd since we rely on Cocoa to render - // our image into a TIFF. This is also suboptimal since this is all done - // synchronously. I'm not sure there's much we can easily do about it. - scoped_nsobject<NSImage> image( - [[NSImage alloc] initWithData:[NSData - dataWithBytes:dropData_->file_contents.data() - length:dropData_->file_contents.length()]]); - [pboard setData:[image TIFFRepresentation] forType:NSTIFFPboardType]; - - // Plain text. - } else if ([type isEqualToString:NSStringPboardType]) { - DCHECK(!dropData_->plain_text.empty()); - [pboard setString:SysUTF16ToNSString(dropData_->plain_text) - forType:NSStringPboardType]; - - // Oops! - } else { - NOTREACHED() << "Asked for a drag pasteboard type we didn't offer."; - } -} - -- (NSPoint)convertScreenPoint:(NSPoint)screenPoint { - DCHECK([contentsView_ window]); - NSPoint basePoint = [[contentsView_ window] convertScreenToBase:screenPoint]; - return [contentsView_ convertPoint:basePoint fromView:nil]; -} - -- (void)startDrag { - NSEvent* currentEvent = [NSApp currentEvent]; - - // Synthesize an event for dragging, since we can't be sure that - // [NSApp currentEvent] will return a valid dragging event. - NSWindow* window = [contentsView_ window]; - NSPoint position = [window mouseLocationOutsideOfEventStream]; - NSTimeInterval eventTime = [currentEvent timestamp]; - NSEvent* dragEvent = [NSEvent mouseEventWithType:NSLeftMouseDragged - location:position - modifierFlags:NSLeftMouseDraggedMask - timestamp:eventTime - windowNumber:[window windowNumber] - context:nil - eventNumber:0 - clickCount:1 - pressure:1.0]; - - if (dragImage_) { - position.x -= imageOffset_.x; - // Deal with Cocoa's flipped coordinate system. - position.y -= [dragImage_.get() size].height - imageOffset_.y; - } - // Per kwebster, offset arg is ignored, see -_web_DragImageForElement: in - // third_party/WebKit/WebKit/mac/Misc/WebNSViewExtras.m. - [window dragImage:[self dragImage] - at:position - offset:NSZeroSize - event:dragEvent - pasteboard:pasteboard_ - source:contentsView_ - slideBack:YES]; -} - -- (void)endDragAt:(NSPoint)screenPoint - operation:(NSDragOperation)operation { - RenderViewHost* rvh = [contentsView_ tabContents]->render_view_host(); - if (rvh) { - rvh->DragSourceSystemDragEnded(); - - // Convert |screenPoint| to view coordinates and flip it. - NSPoint localPoint = [self convertScreenPoint:screenPoint]; - NSRect viewFrame = [contentsView_ frame]; - localPoint.y = viewFrame.size.height - localPoint.y; - // Flip |screenPoint|. - NSRect screenFrame = [[[contentsView_ window] screen] frame]; - screenPoint.y = screenFrame.size.height - screenPoint.y; - - rvh->DragSourceEndedAt(localPoint.x, localPoint.y, - screenPoint.x, screenPoint.y, - static_cast<WebKit::WebDragOperation>(operation)); - } - - // Make sure the pasteboard owner isn't us. - [pasteboard_ declareTypes:[NSArray array] owner:nil]; -} - -- (void)moveDragTo:(NSPoint)screenPoint { - RenderViewHost* rvh = [contentsView_ tabContents]->render_view_host(); - if (rvh) { - // Convert |screenPoint| to view coordinates and flip it. - NSPoint localPoint = [self convertScreenPoint:screenPoint]; - NSRect viewFrame = [contentsView_ frame]; - localPoint.y = viewFrame.size.height - localPoint.y; - // Flip |screenPoint|. - NSRect screenFrame = [[[contentsView_ window] screen] frame]; - screenPoint.y = screenFrame.size.height - screenPoint.y; - - rvh->DragSourceMovedTo(localPoint.x, localPoint.y, - screenPoint.x, screenPoint.y); - } -} - -- (NSString*)dragPromisedFileTo:(NSString*)path { - // Be extra paranoid; avoid crashing. - if (!dropData_.get()) { - NOTREACHED() << "No drag-and-drop data available for promised file."; - return nil; - } - - FilePath fileName = downloadFileName_.empty() ? - GetFileNameFromDragData(*dropData_) : downloadFileName_; - FilePath filePath(SysNSStringToUTF8(path)); - filePath = filePath.Append(fileName); - FileStream* fileStream = - drag_download_util::CreateFileStreamForDrop(&filePath); - if (!fileStream) - return nil; - - if (downloadURL_.is_valid()) { - TabContents* tabContents = [contentsView_ tabContents]; - scoped_refptr<DragDownloadFile> dragFileDownloader(new DragDownloadFile( - filePath, - linked_ptr<net::FileStream>(fileStream), - downloadURL_, - tabContents->GetURL(), - tabContents->encoding(), - tabContents)); - - // The finalizer will take care of closing and deletion. - dragFileDownloader->Start( - new drag_download_util::PromiseFileFinalizer(dragFileDownloader)); - } else { - // The writer will take care of closing and deletion. - g_browser_process->file_thread()->message_loop()->PostTask(FROM_HERE, - new PromiseWriterTask(*dropData_, fileStream)); - } - - // Once we've created the file, we should return the file name. - return SysUTF8ToNSString(filePath.BaseName().value()); -} - -@end // @implementation WebDragSource - - -@implementation WebDragSource (Private) - -- (void)fillPasteboard { - DCHECK(pasteboard_.get()); - - [pasteboard_ declareTypes:[NSArray array] owner:contentsView_]; - - // HTML. - if (!dropData_->text_html.empty()) - [pasteboard_ addTypes:[NSArray arrayWithObject:NSHTMLPboardType] - owner:contentsView_]; - - // URL (and title). - if (dropData_->url.is_valid()) - [pasteboard_ addTypes:[NSArray arrayWithObjects:NSURLPboardType, - kNSURLTitlePboardType, nil] - owner:contentsView_]; - - // File. - if (!dropData_->file_contents.empty() || - !dropData_->download_metadata.empty()) { - NSString* fileExtension = 0; - - if (dropData_->download_metadata.empty()) { - // |dropData_->file_extension| comes with the '.', which we must strip. - fileExtension = (dropData_->file_extension.length() > 0) ? - SysUTF16ToNSString(dropData_->file_extension.substr(1)) : @""; - } else { - string16 mimeType; - FilePath fileName; - if (drag_download_util::ParseDownloadMetadata( - dropData_->download_metadata, - &mimeType, - &fileName, - &downloadURL_)) { - std::string contentDisposition = - "attachment; filename=" + fileName.value(); - download_util::GenerateFileName(downloadURL_, - contentDisposition, - std::string(), - UTF16ToUTF8(mimeType), - &downloadFileName_); - fileExtension = SysUTF8ToNSString(downloadFileName_.Extension()); - } - } - - if (fileExtension) { - // File contents (with and without specific type), file (HFS) promise, - // TIFF. - // TODO(viettrungluu): others? - [pasteboard_ addTypes:[NSArray arrayWithObjects: - NSFileContentsPboardType, - NSCreateFileContentsPboardType(fileExtension), - NSFilesPromisePboardType, - NSTIFFPboardType, - nil] - owner:contentsView_]; - - // For the file promise, we need to specify the extension. - [pasteboard_ setPropertyList:[NSArray arrayWithObject:fileExtension] - forType:NSFilesPromisePboardType]; - } - } - - // Plain text. - if (!dropData_->plain_text.empty()) - [pasteboard_ addTypes:[NSArray arrayWithObject:NSStringPboardType] - owner:contentsView_]; -} - -- (NSImage*)dragImage { - if (dragImage_) - return dragImage_; - - // Default to returning a generic image. - return nsimage_cache::ImageNamed(@"nav.pdf"); -} - -@end // @implementation WebDragSource (Private) |