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Diffstat (limited to 'chrome/browser/web_app.cc')
| -rw-r--r-- | chrome/browser/web_app.cc | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/chrome/browser/web_app.cc b/chrome/browser/web_app.cc deleted file mode 100644 index 10f7e35..0000000 --- a/chrome/browser/web_app.cc +++ /dev/null @@ -1,281 +0,0 @@ -// Copyright (c) 2006-2008 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 "chrome/browser/web_app.h" - -#include "base/gfx/png_decoder.h" -#include "chrome/browser/profile.h" -#include "chrome/browser/renderer_host/render_view_host.h" -#include "chrome/browser/tab_contents/web_contents.h" -#include "chrome/common/gfx/favicon_size.h" -#include "net/base/base64.h" -#include "net/base/data_url.h" - -namespace { - -static const char kPNGImageMimeType[] = "image/png"; - -static std::set<GURL> ExtractImageURLs(const GearsShortcutData& data) { - std::set<GURL> image_urls; - for (size_t i = 0; i < arraysize(data.icons); ++i) { - if (data.icons[i].url) { - GURL image_url(data.icons[i].url); - if (image_url.is_valid()) - image_urls.insert(image_url); - else - NOTREACHED(); - } - } - return image_urls; -} - -static SkBitmap DecodePNGEncodedURL(const GURL& url) { - std::string mime_type, charset, data; - if (!url.SchemeIs("data") || - !net::DataURL::Parse(url, &mime_type, &charset, &data) || - mime_type != kPNGImageMimeType) { - return SkBitmap(); - } - - SkBitmap image; - std::vector<unsigned char> v_data; - v_data.resize(data.size(), 0); - memcpy(&v_data.front(), data.c_str(), data.size()); - PNGDecoder::Decode(&v_data, &image); - return image; -} - -} // namespace - -// WebApp ---------------------------------------------------------------------- - -WebApp::WebApp(Profile* profile, - const GURL& url, - const std::wstring& name) - : web_contents_(NULL), - profile_(profile), - url_(url), - name_(name), - loaded_images_from_web_data_(false), - image_load_handle_(0), - download_images_(false) { -} - -WebApp::WebApp(Profile* profile, - const GearsShortcutData& shortcut) - : web_contents_(NULL), - profile_(profile), - url_(shortcut.url), - name_(shortcut.name ? UTF8ToWide(shortcut.name) : std::wstring()), - loaded_images_from_web_data_(false), - image_load_handle_(0), - image_urls_(ExtractImageURLs(shortcut)), - download_images_(!image_urls_.empty()) { - ExtractPNGEncodedURLs(); - // If the image urls are all data encoded urls and at least one is favicon - // sized, then no need to load/store in web data. - loaded_images_from_web_data_ = (GetFavIconIterator() != images_.end() && - image_urls_.empty()); -} - -WebApp::~WebApp() { - if (image_load_handle_) { - WebDataService* service = - profile_->GetWebDataService(Profile::EXPLICIT_ACCESS); - if (service) - service->CancelRequest(image_load_handle_); - } -} - -void WebApp::SetImage(const GURL& image_url, const SkBitmap& image) { - std::set<GURL>::iterator i = image_urls_.find(image_url); - if (i == image_urls_.end()) - return; // We didn't request the url. - - if (image.width() == 0 || image.height() == 0) { - // Assume there was an error downloading. By ignoring this we ensure we - // attempt to download the image next time user launches the app. - return; - } - - image_urls_.erase(i); - - WebDataService* service = - profile_->GetWebDataService(Profile::EXPLICIT_ACCESS); - - if (!image.isNull()) { - if (image.width() == kFavIconSize && image.height() == kFavIconSize) { - Images::iterator fav_icon_i = GetFavIconIterator(); - if (fav_icon_i != images_.end()) - images_.erase(fav_icon_i); // Only allow one favicon. - } - images_.push_back(image); - NotifyObservers(); - if (service) - service->SetWebAppImage(url_, image); - } - - if (service && image_urls_.empty()) - service->SetWebAppHasAllImages(url_, true); -} - -const WebApp::Images& WebApp::GetImages() { - LoadImagesFromWebData(); - - return images_; -} - -SkBitmap WebApp::GetFavIcon() { - // Force a load. - GetImages(); - - Images::iterator fav_icon_i = GetFavIconIterator(); - return (fav_icon_i == images_.end()) ? SkBitmap() : *fav_icon_i; -} - -void WebApp::SetWebContents(WebContents* host) { - web_contents_ = host; - - if (host && loaded_images_from_web_data_ && image_load_handle_ == 0 && - !image_urls_.empty()) { - // We haven't downloaded all the images and got a new WebContents. Download - // the images from it. - DownloadImagesFromSite(); - } -} - -void WebApp::AddObserver(Observer* obs) { - observer_list_.AddObserver(obs); -} - -void WebApp::RemoveObserver(Observer* obs) { - observer_list_.RemoveObserver(obs); -} - -void WebApp::LoadImagesFromWebData() { - if (loaded_images_from_web_data_) - return; - - loaded_images_from_web_data_ = true; - WebDataService* service = - profile_->GetWebDataService(Profile::EXPLICIT_ACCESS); - if (service) - image_load_handle_ = service->GetWebAppImages(url_, this); -} - -void WebApp::OnWebDataServiceRequestDone(WebDataService::Handle h, - const WDTypedResult* r) { - image_load_handle_ = 0; - - if (!r) { - // Results are null if the database went away. - return; - } - - WDAppImagesResult result = reinterpret_cast< - const WDResult<WDAppImagesResult>*>(r)->GetValue(); - images_.insert(images_.end(), result.images.begin(), result.images.end()); - - if (!result.has_all_images) { - // Not all of the images for the app have been downloaded yet; download them - // now. - DownloadImagesFromSite(); - } else { - // We have all the images. Clear image_urls_ to indicate we've got all the - // images. - image_urls_.clear(); - } - - if (GetFavIconIterator() == images_.end()) { - // No favicon. Request one from the history db. - LoadFavIconFromHistory(); - } - - if (!images_.empty()) - NotifyObservers(); -} - -void WebApp::OnFavIconFromHistory(HistoryService::Handle handle, - bool know_favicon, - scoped_refptr<RefCountedBytes> data, - bool expired, - GURL icon_url) { - // Make sure we still don't have a favicon. - if (GetFavIconIterator() != images_.end() || !data || data->data.empty()) - return; - - SkBitmap fav_icon; - if (PNGDecoder::Decode(&data->data, &fav_icon)) { - images_.push_back(fav_icon); - NotifyObservers(); - } -} - -void WebApp::LoadFavIconFromHistory() { - HistoryService* service = - profile_->GetHistoryService(Profile::EXPLICIT_ACCESS); - if (!service) - return; - - service->GetFavIconForURL(url_, &request_consumer_, - NewCallback(this, &WebApp::OnFavIconFromHistory)); -} - -void WebApp::DownloadImagesFromSite() { - if (!download_images_) - return; - - RenderViewHost* rvh = - web_contents_ ? web_contents_->render_view_host() : NULL; - if (!rvh) - return; - - // Copy off the images to load as we may need to mutate image_urls_ while - // iterating. - std::set<GURL> image_urls = image_urls_; - for (std::set<GURL>::iterator i = image_urls.begin(); i != image_urls.end(); - ++i) { - const GURL image_url = *i; - SkBitmap data_image = DecodePNGEncodedURL(image_url); - if (!data_image.isNull()) - SetImage(image_url, data_image); - else if (rvh) - rvh->DownloadImage(image_url, 0); // Download the image via the renderer. - } - - if (image_urls_.empty()) { - // We got all the images immediately, notifiy the web db. - WebDataService* service = - profile_->GetWebDataService(Profile::EXPLICIT_ACCESS); - if (service) - service->SetWebAppHasAllImages(url_, true); - } -} - -WebApp::Images::iterator WebApp::GetFavIconIterator() { - for (Images::iterator i = images_.begin(); i != images_.end(); ++i) { - if (i->width() == kFavIconSize && i->height() == kFavIconSize) - return i; - } - return images_.end(); -} - -void WebApp::ExtractPNGEncodedURLs() { - for (std::set<GURL>::iterator i = image_urls_.begin(); - i != image_urls_.end();) { - const GURL image_url = *i; - SkBitmap data_image = DecodePNGEncodedURL(image_url); - if (!data_image.isNull()) { - i = image_urls_.erase(i); - images_.push_back(data_image); - } else { - ++i; - } - } -} - -void WebApp::NotifyObservers() { - FOR_EACH_OBSERVER(Observer, observer_list_, WebAppImagesChanged(this)); -} - |