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Unified Diff: chrome/browser/component_updater/component_updater_service.h

Issue 15908002: Differential updates for components. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Sync to LKGR revision 207804. Created 7 years, 6 months ago
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Index: chrome/browser/component_updater/component_updater_service.h
diff --git a/chrome/browser/component_updater/component_updater_service.h b/chrome/browser/component_updater/component_updater_service.h
index 3ac645d8a0b0b4f7041aa6fb484680e0369878bd..bf011eb43e022d3940a0b874390ab09923eab858 100644
--- a/chrome/browser/component_updater/component_updater_service.h
+++ b/chrome/browser/component_updater/component_updater_service.h
@@ -20,6 +20,8 @@ class DictionaryValue;
class FilePath;
}
+class ComponentPatcher;
+
// Component specific installers must derive from this class and implement
// OnUpdateError() and Install(). A valid instance of this class must be
// given to ComponentUpdateService::RegisterComponent().
@@ -37,15 +39,22 @@ class ComponentInstaller {
virtual bool Install(const base::DictionaryValue& manifest,
const base::FilePath& unpack_path) = 0;
+ // Set |installed_file| to the full path to the installed |file|. |file| is
+ // the filename of the file in this component's CRX. Returns false if this is
+ // not possible (the file has been removed or modified, or its current
+ // location is unknown). Otherwise, returns true.
+ virtual bool GetInstalledFile(const std::string& file,
+ base::FilePath* installed_file) = 0;
+
protected:
virtual ~ComponentInstaller() {}
};
// Describes a particular component that can be installed or updated. This
// structure is required to register a component with the component updater.
-// Only |name| is optional. |pk_hash| is the SHA256 hash of the component's
-// public key. If the component is to be installed then version should be
-// "0" or "0.0", else it should be the current version.
+// |pk_hash| is the SHA256 hash of the component's public key. If the component
+// is to be installed then version should be "0" or "0.0", else it should be
+// the current version. |fingerprint| and |name| are optional.
// |source| is by default pointing to BANDAID but if needed it can be made
// to point to the webstore (CWS_PUBLIC) or to the webstore sandbox. It is
// important to note that the BANDAID source if active throught the day
@@ -55,12 +64,13 @@ struct CrxComponent {
enum UrlSource {
BANDAID,
CWS_PUBLIC,
- CWS_SANDBOX
+ CWS_SANDBOX,
};
std::vector<uint8> pk_hash;
ComponentInstaller* installer;
Version version;
+ std::string fingerprint;
std::string name;
UrlSource source;
CrxComponent();
@@ -128,6 +138,11 @@ class ComponentUpdateService {
// happens. It should be used mostly as a place to add application specific
// logging or telemetry. |extra| is |event| dependent.
virtual void OnEvent(Events event, int extra) = 0;
+ // Creates a new ComponentPatcher in a platform-specific way. This is useful
+ // for dependency injection.
+ virtual ComponentPatcher* CreateComponentPatcher() = 0;
+ // True means that this client can handle delta updates.
+ virtual bool DeltasEnabled() const = 0;
};
// Start doing update checks and installing new versions of registered

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